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From jh...@apache.org
Subject [16/19] incubator-calcite git commit: [CALCITE-355] Web site
Date Mon, 01 Jun 2015 17:56:30 GMT
http://git-wip-us.apache.org/repos/asf/incubator-calcite/blob/5c049bc8/doc/history.md
----------------------------------------------------------------------
diff --git a/doc/history.md b/doc/history.md
deleted file mode 100644
index abb8372..0000000
--- a/doc/history.md
+++ /dev/null
@@ -1,1587 +0,0 @@
-<!--
-Licensed to the Apache Software Foundation (ASF) under one or more
-contributor license agreements.  See the NOTICE file distributed with
-this work for additional information regarding copyright ownership.
-The ASF licenses this file to you under the Apache License, Version 2.0
-(the "License"); you may not use this file except in compliance with
-the License.  You may obtain a copy of the License at
-
-http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
--->
-# Apache Calcite release history
-
-For a full list of releases, see
-<a href="https://github.com/apache/incubator-calcite/releases">github</a>.
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/calcite-1.3.0-incubating">1.3.0-incubating</a> / 2015-05-21
-
-Mainly bug-fixes, but this release adds support for
-<a href="https://issues.apache.org/jira/browse/CALCITE-505">modifiable views</a>
-and
-<a href="https://issues.apache.org/jira/browse/CALCITE-704">filtered aggregate functions</a>
-and various improvements to Avatica.
-
-New features
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-505">CALCITE-505</a>]
-  Support modifiable view
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-704">CALCITE-704</a>]
-  `FILTER` clause for aggregate functions
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-522">CALCITE-522</a>]
-  In remote JDBC driver, transmit static database properties as a map
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-661">CALCITE-661</a>]
-  Remote fetch in Calcite JDBC driver
-* Support Date, Time, Timestamp parameters
-
-API changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-722">CALCITE-722</a>]
-  Rename markdown files to lower-case
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-697">CALCITE-697</a>]
-  Obsolete class `RelOptQuery`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-693">CALCITE-693</a>]
-  Allow clients to control creation of `RelOptCluster`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-691">CALCITE-691</a>]
-  Allow projects to supply alternate SQL parser
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-675">CALCITE-675</a>]
-  Enable `AggregateProjectMergeRule` in standard rule set
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-679">CALCITE-679</a>]
-  Factory method for `SemiJoin`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-674">CALCITE-674</a>]
-  Add a `SWAP_OUTER` static instance to `JoinCommuteRule` (Maryann Xue)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-735">CALCITE-735</a>]
-  `Primitive.DOUBLE.min` should be large and negative
-
-Bug-fixes and internal changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-688">CALCITE-688</a>]
-  `splitCondition` does not behave correctly when one side of the condition
-  references columns from different inputs
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-259">CALCITE-259</a>]
-  Using sub-queries in `CASE` statement against JDBC tables generates invalid
-  Oracle SQL (Yeong Wei)
-* In sample code in README.md, rename optiq to calcite (Ethan)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-720">CALCITE-720</a>]
-  `VolcanoPlanner.ambitious` comment doc is inconsistent (Santiago M. Mola)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-729">CALCITE-729</a>]
-  `IndexOutOfBoundsException` in `ROLLUP` query on JDBC data source
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-733">CALCITE-733</a>]
-  Multiple distinct-`COUNT` query gives wrong results
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-730">CALCITE-730</a>]
-  `ClassCastException` in table from `CloneSchema`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-728">CALCITE-728</a>]
-  Test suite hangs on Windows
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-723">CALCITE-723</a>]
-  Document lattices
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-515">CALCITE-515</a>]
-  Add Apache headers to markdown files
-* Upgrade quidem
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-716">CALCITE-716</a>]
-  Scalar sub-query and aggregate function in `SELECT` or `HAVING` clause gives
-  `AssertionError`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-694">CALCITE-694</a>]
-  Scan `HAVING` clause for sub-queries and `IN`-lists (Hsuan-Yi Chu)
-* Upgrade hydromatic-resource-maven-plugin
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-710">CALCITE-710</a>]
-  Identical conditions in the `WHERE` clause cause `AssertionError` (Sean
-  Hsuan-Yi Chu)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-695">CALCITE-695</a>]
-  Do not add `SINGLE_VALUE` aggregate function to a sub-query that will never
-  return more than one row (Hsuan-Yi Chu)
-* Add tests for scalar sub-queries, including test cases for
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-709">CALCITE-709</a>]
-  Errors with `LIMIT` inside scalar sub-query
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-702">CALCITE-702</a>]
-  Add validator test for monotonic expressions
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-699">CALCITE-699</a>]
-  In Avatica, synchronize access to Calendar
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-700">CALCITE-700</a>]
-  Pass time zone into tests
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-698">CALCITE-698</a>]
-  For `GROUP BY ()`, `areColumnsUnique()` should return true for any key
-* Disable tests that fail under JDK 1.7 due to
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-687">CALCITE-687</a>]
-* Add "getting started" to HOWTO
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-692">CALCITE-692</a>]
-  Add back sqlline as a dependency
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-677">CALCITE-677</a>]
-  `RemoteDriverTest.testTypeHandling` fails east of Greenwich
-* Disable test for
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-687">CALCITE-687</a>]
-  Make `RemoteDriverTest.testStatementLifecycle` thread-safe
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-686">CALCITE-686</a>]
-  `SqlNode.unparse` produces invalid SQL
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-507">CALCITE-507</a>]
-  Update HOWTO.md with running integration tests
-* Add H2 integration test
-* Add PostgreSQL integration test
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-590">CALCITE-590</a>]
-  Update MongoDB test suite to calcite-test-dataset
-* Add `CalciteAssert.assertArrayEqual` for more user-friendly asserts
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-585">CALCITE-585</a>]
-  Avatica JDBC methods should throw `SQLFeatureNotSupportedException` (Ng Jiunn
-  Jye)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-671">CALCITE-671</a>]
-  `ByteString` does not deserialize properly as a `FetchRequest` parameter value
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-676">CALCITE-676</a>]
-  `AssertionError` in `GROUPING SETS` query
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-678">CALCITE-678</a>]
-  `SemiJoinRule` mixes up fields when `Aggregate.groupSet` is not field #0
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/calcite-1.2.0-incubating">1.2.0-incubating</a> / 2015-04-07
-
-A short release, less than a month after 1.1.
-
-There have been many changes to Avatica, hugely improving its coverage of the
-JDBC API and overall robustness. A new provider, `JdbcMeta`, allows
-you to remote an existing JDBC driver.
-
-[<a href="https://issues.apache.org/jira/browse/CALCITE-606">CALCITE-606</a>]
-improves how the planner propagates traits such as collation and
-distribution among relational expressions.
-
-[<a href="https://issues.apache.org/jira/browse/CALCITE-613">CALCITE-613</a>]
-and [<a href="https://issues.apache.org/jira/browse/CALCITE-307">CALCITE-307</a>]
-improve implicit and explicit conversions in SQL.
-
-New features
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-366">CALCITE-366</a>]
-  Support Aggregate push down in bushy joins (Jesus Camacho Rodriguez)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-613">CALCITE-613</a>]
-  Implicitly convert character values in comparisons
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-307">CALCITE-307</a>]
-  Implement `CAST` between date-time types
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-634">CALCITE-634</a>]
-  Allow `ORDER BY` aggregate function in `SELECT DISTINCT`, provided that it
-  occurs in `SELECT` clause (Sean Hsuan-Yi Chu)
-* In linq4j, implement `firstOrDefault`, `single`, and `singleOrDefault` methods
-  (Daniel Cooper)
-* JDBC adapter
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-631">CALCITE-631</a>]
-    Push theta joins down to JDBC adapter (Ng Jiunn Jye)
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-657">CALCITE-657</a>]
-    `NullPointerException` when executing `JdbcAggregate.implement`
-    method (Yuri Au Yong)
-* Metadata
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-659">CALCITE-659</a>]
-    Missing types in `averageTypeValueSize` method in `RelMdSize`
-    (Jesus Camacho Rodriguez)
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-650">CALCITE-650</a>]
-    Add metadata for average size of a tuple in `SemiJoin` (Jesus
-    Camacho Rodriguez)
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-649">CALCITE-649</a>]
-    Extend `splitCondition` method in `RelOptUtil` to handle multiple
-    joins on the same key (Jesus Camacho Rodriguez)
-
-Avatica features and bug fixes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-670">CALCITE-670</a>]
-  `AvaticaPreparedStatement` should support `execute()` and
-  `executeUpdate()` (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-641">CALCITE-641</a>]
-  Implement logging throughout Avatica server (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-646">CALCITE-646</a>]
-  `AvaticaStatement.execute` method broken over remote JDBC (Yeong Wei
-  and Julian Hyde)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-660">CALCITE-660</a>]
-  Improve Avatica date support
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-655">CALCITE-655</a>]
-  Implement `ConnectionSync` RPC (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-654">CALCITE-654</a>]
-  Tighten up `AvaticaStatement.execute` semantics (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-658">CALCITE-658</a>]
-  Cleanup dependency usage (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-652">CALCITE-652</a>]
-  Move server pieces of `avatica` into `avatica-server` (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-651">CALCITE-651</a>]
-  In `JdbcMeta`, convert property definitions to an enum (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-640">CALCITE-640</a>]
-  Avatica server should expire stale connections/statements (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-639">CALCITE-639</a>]
-  Open up permissions on avatica server components (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-637">CALCITE-637</a>]
-  Implement Avatica `CloseConnection` RPC (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-636">CALCITE-636</a>]
-  Connection isolation for Avatica clients (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-626">CALCITE-626</a>]
-  Implement `CloseStatement` RPC (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-630">CALCITE-630</a>]
-  Flesh out `AvaticaParameter.setObject` (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-627">CALCITE-627</a>]
-  Add Avatica support for `getTableTypes`, `getColumns` (Xavier FH Leong)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-618">CALCITE-618</a>]
-  Add Avatica support for `getTables` (Julian Hyde and Nick Dimiduk)
-
-API changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-617">CALCITE-617</a>]
-  Check at initialization time in `CachingInvocationHandler` that MD provider
-  is not null (Jesus Camacho Rodriguez)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-638">CALCITE-638</a>]
-  SQL standard `REAL` is 4 bytes, `FLOAT` is 8 bytes
-
-Bug-fixes and internal changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-672">CALCITE-672</a>]
-  SQL `ANY` type should be nullable (Jinfeng Ni)
-* Disable tests, pending
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-673">CALCITE-673</a>]
-  Timeout executing joins against MySQL
-* Fix traits in MongoDB adapter, and `NullPointerException` in `JdbcTest`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-662">CALCITE-662</a>]
-  Query validation fails when an `ORDER BY` clause is used with `WITH CLAUSE`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-606">CALCITE-606</a>]
-  Fix trait propagation and add test case
-* Remove checkstyle Eclipse properties from git tracking
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-644">CALCITE-644</a>]
-  Increase check style line limit to 100 chars (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-648">CALCITE-648</a>]
-  Update `ProjectMergeRule` description for new naming convention (Jinfeng Ni)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-625">CALCITE-625</a>]
-  `README.md` linking to the wrong page of `optiq-csv` (hongbin ma)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-632">CALCITE-632</a>]
-  Sort order returned by `SUPERCLASS_COMPARATOR` in
-  `ReflectiveRelMetadataProvider` is inconsistent (Jesus Camacho
-  Rodriguez)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-335">CALCITE-335</a>]
-  Remove uses of linq4j `Functions.adapt`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-592">CALCITE-592</a>]
-  Upgrade to Guava 14.0.1
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-596">CALCITE-596</a>]
-  JDBC adapter incorrectly reads null values as 0 (Ng Jiunn Jye)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-633">CALCITE-633</a>]
-  `WITH ... ORDER BY` cannot find table
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-614">CALCITE-614</a>]
-  `IN` clause in `CASE` in `GROUP BY` gives `AssertionError`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-619">CALCITE-619</a>]
-  Slim down dependencies in parent POM
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/calcite-1.1.0-incubating">1.1.0-incubating</a> / 2015-03-13
-
-This Calcite release makes it possible to exploit physical properties
-of relational expressions to produce more efficient plans, introducing
-collation and distribution as traits, `Exchange` relational operator,
-and several new forms of metadata.
-
-We add experimental support for streaming SQL.
-
-This release drops support for JDK 1.6; Calcite now requires 1.7 or
-later.
-
-We have introduced static `create` methods for many sub-classes of
-`RelNode`. We strongly suggest that you use these rather than
-calling constructors directly.
-
-New features
-* SQL
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-602">CALCITE-602</a>]
-    Streaming queries (experimental)
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-588">CALCITE-588</a>]
-    Allow `TableMacro` to consume maps and collections
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-583">CALCITE-583</a>]
-    Operator `||` mishandles `ANY` type (Sean Hsuan-Yi Chu)
-* Planner rule improvements
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-445">CALCITE-445</a>]
-    Pull up filters rejected by a `ProjectableFilterableTable`
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-600">CALCITE-600</a>]
-    Use `SetOpFactory` in rules containing `Union` operator (Jesus
-    Camacho Rodriguez)
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-603">CALCITE-603</a>]
-    Metadata providers for size, memory, parallelism
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-607">CALCITE-607</a>]
-      Change visibility of constructor in metadata providers for size,
-      memory, parallelism (Jesus Camacho Rodriguez)
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-608">CALCITE-608</a>]
-      Exception is thrown when `RelMdDistribution` for `Project`
-      operator is called (Jesus Camacho Rodriguez)
-* Collation and distribution as traits
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-88">CALCITE-88</a>]
-    Add collation as a trait and a kind of `RelNode` metadata
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-569">CALCITE-569</a>]
-    `ArrayIndexOutOfBoundsException` when deducing collation (Aman Sinha)
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-581">CALCITE-581</a>]
-    Add `LogicalSort` relational expression, and make `Sort` abstract
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-526">CALCITE-526</a>]
-    Add `EnumerableMergeJoin`, which exploits sorted inputs
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-71">CALCITE-71</a>]
-    Provide a way to declare that tables are sorted
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-576">CALCITE-576</a>]
-    Make `RelCollation` trait and `AbstractRelNode.getCollationList` consistent
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-254">CALCITE-254</a>]
-    Propagate `RelCollation` on aliased columns in `JoinRule`
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-569">CALCITE-569</a>]
-    `ArrayIndexOutOfBoundsException` when deducing collation
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-594">CALCITE-594</a>]
-    Add `RelDistribution` trait and `Exchange` relational expression
-
-API changes
-* Many sub-classes of `RelNode` now have a static `create` method
-  which automatically sets up traits such as collation and
-  distribution. The constructors are not marked deprecated, but we
-  strongly suggest that you use the `create` method if it exists.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-591">CALCITE-591</a>]
-  Drop support for Java 1.6 (and JDBC 4.0)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-587">CALCITE-587</a>]
-  Upgrade `jetty-server` to 9.2.7.v20150116 and port avatica-server `HttpServer`
-  (Trevor Hartman)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-577">CALCITE-577</a>]
-  Revert temporary API changes introduced in
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-575">CALCITE-575</a>]
-* Add means to create `Context` instances by wrapping objects and by chaining
-  contexts
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-599">CALCITE-599</a>]
-  `EquiJoin` in wrong package (Jesus Camacho Rodriguez)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-573">CALCITE-573</a>]
-  Use user-given names in `RelOptUtil.createProject` and `createRename`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-572">CALCITE-572</a>]
-  Remove `Project.flags` (methods are deprecated, to be removed before 2.0)
-
-Bug-fixes and internal changes
-* Remove the `LICENSE` file of calcite-example-csv (the former
-  optiq-csv) and move its history into main history
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-615">CALCITE-615</a>]
-  AvaticaParameter should be Jackson serializable (Nick Dimiduk)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-612">CALCITE-612</a>]
-  Update AvaticaStatement to handle cancelled queries (Parth Chandra)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-605">CALCITE-605</a>]
-  Reduce dependency on third-party maven repositories
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-611">CALCITE-611</a>]
-  Method `setAggChildKeys` should take into account indicator columns of
-  `Aggregate` operator (Jesus Camacho Rodriguez)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-566">CALCITE-566</a>]
-  `ReduceExpressionsRule` requires planner to have an `Executor`
-* Refactor `TableScanNode.create` method
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-593">CALCITE-593</a>]
-  Validator in `Frameworks` should expand identifiers (Jinfeng Ni)
-* Australian time-zones changed in `tzdata2014f`, Java 1.8.0_31
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-580">CALCITE-580</a>]
-  Average aggregation on an `Integer` column throws `ClassCastException`
-* In Travis, ask Surefire to print results to screen
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-586">CALCITE-586</a>]
-  Prevent JSON serialization of `Signature.internalParameters`
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/calcite-1.0.0-incubating">1.0.0-incubating</a> / 2015-01-31
-
-Calcite's first major release.
-
-Since the previous release we have re-organized the into the `org.apache.calcite`
-namespace. To make migration of your code easier, we have described the
-<a href="https://issues.apache.org/jira/secure/attachment/12681620/mapping.txt">mapping from old to new class names</a>
-as an attachment to
-[<a href="https://issues.apache.org/jira/browse/CALCITE-296">CALCITE-296</a>].
-
-The release adds SQL support for `GROUPING SETS`, `EXTEND`, `UPSERT` and sequences;
-a remote JDBC driver;
-improvements to the planner engine and built-in planner rules;
-improvements to the algorithms that implement the relational algebra,
-including an interpreter that can evaluate queries without compilation;
-and fixes about 30 bugs.
-
-New features
-* SQL
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-494">CALCITE-494</a>]
-    Support `NEXT`/`CURRENT VALUE FOR` syntax for using sequences
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-492">CALCITE-492</a>]
-    Support `UPSERT` statement in parser
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-493">CALCITE-493</a>]
-    Add `EXTEND` clause, for defining columns and their types at query/DML time
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-497">CALCITE-497</a>]
-    Support optional qualifier for column name references
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-356">CALCITE-356</a>]
-    Allow column references of the form `schema.table.column`
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-462">CALCITE-462</a>]
-    Allow table functions in `LATERAL` expression
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-282">CALCITE-282</a>]
-    Add `{fn QUARTER(date)}` function (Benoy Antony)
-  * Grouping sets
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-370">CALCITE-370</a>]
-      Support `GROUPING SETS`, `CUBE`, `ROLLUP` in SQL and algebra
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-512">CALCITE-512</a>]
-      Add `GROUP_ID`,`GROUPING_ID`, `GROUPING` functions
-* Planner rule improvements
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-92">CALCITE-92</a>]
-    Optimize away `Project` that merely renames fields
-  * Detect and merge duplicate predicates `AND(x, y, x)` to `AND(x, y)` in more
-    circumstances
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-557">CALCITE-557</a>]
-    Speed up planning by never creating `AbstractConverter`
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-545">CALCITE-545</a>]
-    When a projected expression can only have one value, replace with that
-    constant
-  * Grouping sets
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-542">CALCITE-542</a>]
-      Support for `Aggregate` with grouping sets in `RelMdColumnOrigins` (Jesus
-      Camacho Rodriguez)
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-533">CALCITE-533</a>]
-      Support for grouping sets in `FilterAggregateTransposeRule` (Jesus Camacho
-      Rodriguez)
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-532">CALCITE-532</a>]
-      Support for grouping sets in `AggregateFilterTransposeRule` (Jesus Camacho
-      Rodriguez)
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-513">CALCITE-513</a>]
-      Support for grouping sets in `AggregateProjectMergeRule` (Jesus Camacho
-      Rodriguez)
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-510">CALCITE-510</a>]
-      Support for grouping sets in `AggregateExpandDistinctAggregatesRule` (Jesus
-      Camacho Rodriguez)
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-502">CALCITE-502</a>]
-      Support for grouping sets in `AggregateUnionTransposeRule` (Jesus Camacho
-      Rodriguez)
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-503">CALCITE-503</a>]
-      Tests to check rules on `Aggregate` operator without grouping sets (Jesus
-      Camacho Rodriguez)
-* Algorithms
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-451">CALCITE-451</a>]
-    Implement theta join, inner and outer, in enumerable convention
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-489">CALCITE-489</a>]
-    Update `Correlate` mechanics and implement `EnumerableCorrelate` (aka nested
-    loops join)
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-544">CALCITE-544</a>]
-    Implement `Union` in interpreter
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-562">CALCITE-562</a>]
-    Implement inner `Join` in interpreter and improve handling of scalar expressions
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-543">CALCITE-543</a>]
-    Implement `Aggregate` (including `GROUPING SETS`) in interpreter (Jacques
-    Nadeau)
-  * In progress towards
-    [<a href="https://issues.apache.org/jira/browse/CALCITE-558">CALCITE-558</a>]
-    add `BINDABLE` convention (but `ENUMERABLE` is still the default), and add
-    `ArrayBindable` and `Scalar` interfaces
-* Remote driver
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-93">CALCITE-93</a>]
-    Calcite RPC server
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-94">CALCITE-94</a>]
-    Remote JDBC driver
-  * Make `JsonHandler` and `JsonService` thread-safe
-
-API changes
-* The great code re-org
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-296">CALCITE-296</a>]
-    Re-organize package structure
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-419">CALCITE-419</a>]
-    Naming convention for planner rules
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-306">CALCITE-306</a>]
-    Standardize code style for "import package.*;"
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-474">CALCITE-474</a>]
-    Clean up rule naming in order to support enabling/disabling rules
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-460">CALCITE-460</a>]
-    Add `ImmutableBitSet` and replace uses of `BitSet`
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-479">CALCITE-479</a>]
-    Migrate `RelNode.getChildExps` to `RelNode.accept(RexShuttle)`
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-527">CALCITE-527</a>]
-    Drop `rowType` field and constructor/copy argument of `Calc`
-* Add linq4j and example-csv modules
-  * Remove unused packages in linq4j, and fix checkstyle issues in linq4j and csv
-  * Add calcite-linq4j and calcite-example-csv as POM sub-modules
-  * Import 'optiq-csv' project as 'example/csv/', and add Apache headers
-  * Import 'linq4j' project, and add Apache headers
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-478">CALCITE-478</a>]
-    Move CSV tutorial (Siva Narayanan)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-464">CALCITE-464</a>]
-  Make parser accept configurable max length for SQL identifier
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-465">CALCITE-465</a>]
-  Remove `OneRow` and `Empty` relational expressions; `Values` will suffice
-
-Bug-fixes and internal changes
-* Build improvements
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-541">CALCITE-541</a>]
-    Update maven-source-plugin to 2.4 to get speedup in jdk 1.8
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-537">CALCITE-537</a>]
-    Skip overwrite of `NOTICE`, `DEPENDENCIES`, and `LICENSE` files
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-538">CALCITE-538</a>]
-    Generate `Parser.jj` only at first build
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-539">CALCITE-539</a>]
-    Avoid rewrite of `org-apache-calcite-jdbc.properties`
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-540">CALCITE-540</a>]
-    Create git.properties file only at first build. This saves time in
-    development at a cost of stale `git.properties`
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-536">CALCITE-536</a>]
-    Add `@PackageMarker` to `package-info.java` so maven-compiler skips
-    compilation when the sources are unchanged
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-535">CALCITE-535</a>]
-    Support skip overwrite in hydromatic-resource
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-582">CALCITE-582</a>]
-  `EnumerableTableScan` broken when table has single column
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-575">CALCITE-575</a>]
-  Variant of `ProjectRemoveRule` that considers a project trivial only if its
-  field names are identical (John Pullokkaran)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-571">CALCITE-571</a>]
-  `ReduceExpressionsRule` tries to reduce `SemiJoin` condition to non-equi
-  condition
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-568">CALCITE-568</a>]
-  Upgrade to a version of `pentaho-aggdesigner` that does not pull in
-  `servlet-api`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-567">CALCITE-567</a>]
-  Make `quidem` dependency have scope "test"
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-570">CALCITE-570</a>]
-  `ReduceExpressionsRule` throws "duplicate key" exception
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-561">CALCITE-561</a>]
-  Upgrade parent POM
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-458">CALCITE-458</a>]
-  ArrayIndexOutOfBoundsException when using just a single column in interpreter
-* Fix spurious extra row from `FULL JOIN`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-554">CALCITE-554</a>]
-  Outer join over NULL keys generates wrong result
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-489">CALCITE-489</a>]
-  Teach `CalciteAssert` to respect multiple settings
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-516">CALCITE-516</a>]
-  `GROUP BY` on a `CASE` expression containing `IN` predicate fails (Aman Sinha)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-552">CALCITE-552</a>]
-  Upgrade tpcds (which depends on an old version of guava)
-* Copy identifier when fully-qualifying, so column aliases have the right case
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-548">CALCITE-548</a>]
-  Extend `induce` method to return `CUBE` and `ROLLUP` (Jesus Camacho Rodriguez)
-  * Simplify `Group.induce` by assuming that group sets are sorted
-* Test case for
-  [<a  href="https://issues.apache.org/jira/browse/CALCITE-212">CALCITE-212</a>]
-  Join condition with `OR`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-550">CALCITE-550</a>]
-  Case-insensitive matching of sub-query columns fails
-  * Add more unit tests (Jinfeng Ni)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-448">CALCITE-448</a>]
-  `FilterIntoJoinRule` creates filters containing invalid `RexInputRef`
-* When registering a `RelNode`, be tolerant if it is equivalent to a `RelNode`
-  with different traits
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-547">CALCITE-547</a>]
-  Set nullability while inferring return type of `item(any,...)` operator
-* In Travis CI, enable containers, and cache `.m2` directory
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-534">CALCITE-534</a>]
-  Missing implementation of `ResultSetMetaData.getColumnClassName` (Knut
-  Forkalsrud)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-506">CALCITE-506</a>]
-  Update `EnumerableRelImplementor.stash` so it is suitable for all kinds of
-  classes
-* Merge join algorithm for `Enumerable`s
-* Efficient `Enumerable` over random-access list
-* Add a test that calls all functions with arguments of all types that they
-  claim to accept
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-511">CALCITE-511</a>]
-  `copy` method in `LogicalAggregate` not copying the indicator value properly
-* Add a model that has lattices and works against HSQLDB
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-509">CALCITE-509</a>]
-  `RelMdColumnUniqueness` uses `ImmutableBitSet.Builder` twice, gets
-  `NullPointerException`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-488">CALCITE-488</a>]
-  `Enumerable<Holder>` does not work if where `Holder` is a custom class
-  with a single field; Calcite tries to treat it as `SCALAR` due to premature
-  `JavaRowFormat.optimize`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-352">CALCITE-352</a>]
-  Throw exception if `ResultSet.next()` is called after `close()`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-403">CALCITE-403</a>]
-  `Enumerable` gives `NullPointerException` with `NOT` on nullable expression
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-469">CALCITE-469</a>]
-  Update example/csv README.md instructions
-* Document `WITH`, `LATERAL`, `GROUPING SETS`, `CUBE`, `ROLLUP`;
-  add descriptions for all built-in functions and operators
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-470">CALCITE-470</a>]
-  Print warning when column type hint is not understood;
-  Update `EMPS.deptno` column Integer &rarr; int
-* Fix `Linq4j.product`; the cartesian product of 0 attributes is one row of 0
-  attributes
-* Update link optiq-mat-plugin &rarr; mat-calcite-plugin
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-467">CALCITE-467</a>]
-  Incorrect namespace in `package-info.java`
-* Add headers, to appease the RAT
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-446">CALCITE-446</a>]
-  CSV adapter should read from directory relative to the model file
-* Add examples of scannable and filterable tables, matching
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-436">CALCITE-436</a>]
-  Simpler SPI to query Table
-* Fix `JdbcTest.testVersion` now that version is 1.0
-* Update release HOWTO
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/calcite-0.9.2-incubating">0.9.2-incubating</a> / 2014-11-05
-
-A fairly minor release, and last release before we rename all of the
-packages and lots of classes, in what we expect to call 1.0. If you
-have an existing application, it's worth upgrading to this first,
-before you move on to 1.0.
-
-New features
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-436">CALCITE-436</a>]
-  Simpler SPI to query `Table`
-
-API changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-447">CALCITE-447</a>]
-  Change semi-join rules to make use of factories
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-442">CALCITE-442</a>
-  Add `RelOptRuleOperand` constructor that takes a predicate
-
-Bug-fixes and internal changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-397">CALCITE-397</a>]
-  `SELECT DISTINCT *` on reflective schema gives `ClassCastException` at runtime
-* Various lattice improvements.
-* sqlline: Looking for class-path in inconsistent locations.
-* Re-order test suite, so that fast tests are run first.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-444">CALCITE-444</a>]
-  Filters wrongly pushed into full outer join
-* Make it more convenient to unit test `RelMetadataQuery`, and add some more
-  tests for
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-443">CALCITE-443</a>]
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-443">CALCITE-443</a>]
-  `getPredicates` from a Union is not correct
-* Update references to web sites, git repositories, jira, mailing lists,
-  travis CI now that [INFRA-8413] is fixed
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-434">CALCITE-435</a>]
-  `FilterAggregateTransposeRule` loses conditions that cannot be pushed
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-435">CALCITE-435</a>]
-  `LoptOptimizeJoinRule` incorrectly re-orders outer joins
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-439">CALCITE-439</a>]
-  `SqlValidatorUtil.uniquify()` may not terminate under some conditions
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-438">CALCITE-438</a>]
-  Push predicates through `SemiJoinRel`
-* Add test case for `LIKE ... ESCAPE`.
-* HOWTO: Modify release instructions.
-* Update `DiffRepository` documentation.
-* Add tests for windowed aggregates without `ORDER BY`. (Works already.)
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/calcite-0.9.1-incubating">0.9.1-incubating</a> / 2014-10-02
-
-This is the first release as Calcite. (The project was previously called Optiq.)
-
-New features
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-430">CALCITE-430</a>]
-  Rename project from Optiq to Calcite
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-426">CALCITE-426</a>]
-  Pool JDBC data sources, to make it easier to pool connections
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-416">CALCITE-416</a>]
-  Execute logical `RelNode`s using an interpreter
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-376">CALCITE-376</a>]
-  Move `SqlRun` into its own artifact,
-  <a href="https://github.com/julianhyde/quidem">Quidem</a>.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-269">CALCITE-269</a>]
-  MongoDB result sets larger than 16MB
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-373">CALCITE-373</a>]
-  `NULL` values in `NOT IN` sub-queries
-* SQL functions:
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-422">CALCITE-422</a>]
-    Add `REGR_SXX` and `REGR_SYY` regression functions
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-421">CALCITE-421</a>]
-    Add `COVAR_POP` and `COVAR_SAMP` aggregate functions
-* Planner rules:
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-425">CALCITE-425</a>]
-    Add `FilterAggregateTransposeRule`, that pushes a filter through an
-    aggregate
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-399">CALCITE-399</a>]
-    Factorize common `AND` factors out of `OR` predicates
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-404">CALCITE-404</a>]
-    `MergeProjectRule` should not construct `RexProgram`s for simple mappings
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-394">CALCITE-394</a>]
-    Add `RexUtil.toCnf()`, to convert expressions to conjunctive normal form
-    (CNF)
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-389">CALCITE-389</a>]
-    `MergeFilterRule` should flatten `AND` condition
-* Lattices:
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-428">CALCITE-428</a>]
-    Use optimization algorithm to suggest which tiles of a lattice to
-    materialize
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-410">CALCITE-410</a>]
-    Allow lattice tiles to satisfy a query by rolling up
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-406">CALCITE-406</a>]
-    Add tile and measure elements to lattice model element
-  * Now, a lattice can materialize an aggregate-join and use it in a subsequent
-    query.
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-402">CALCITE-402</a>]
-    Lattice should create materializations on demand
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-344">CALCITE-344</a>]
-    Lattice data structure
-* Field trimmer:
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-408">CALCITE-408</a>]
-    Make `FieldTrimmer` work with `RelNode` base classes
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-388">CALCITE-388</a>]
-    Handle semi-joins in field trimmer
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-395">CALCITE-395</a>]
-    Make `FieldTrimmer.trimFields(SetOp)` generate `ProjectRel` instead of
-    `CalcRel`
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-393">CALCITE-393</a>]
-    If no fields are projected from a table, field trimmer should project a
-    dummy expression
-
-API changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-413">CALCITE-413</a>]
-  Add `RelDataTypeSystem` plugin, allowing different max precision of a
-  `DECIMAL`
-* In `Planner`, query de-correlation no longer requires state in a
-  `SqlToRelConverter`.
-* Factories:
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-392">CALCITE-392</a>]
-    `RelFieldTrimmer` should use factory to create new rel nodes
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-382">CALCITE-382</a>]
-    Refactoring rules to use factories
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-398">CALCITE-398</a>]
-    Move `CalcRel.createProject` methods to `RelOptUtil`
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-396">CALCITE-396</a>]
-    Change return type of `JoinFactory.createJoin()`; add `SemiJoinFactory`
-
-Bug-fixes and internal changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-386">CALCITE-386</a>]
-  Fix NOTICE
-* Add tests inspired by Derby bugs.
-* Add recent presentation to README.md.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-427">CALCITE-427</a>]
-  Off-by-one issues in `RemoveDistinctAggregateRule`,
-  `AggregateFilterTransposeRule`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-414">CALCITE-414</a>]
-  Bad class name in `sqlline` shell script
-* Bad package name in `package-info.java` was causing errors in Eclipse.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-412">CALCITE-412</a>]
-  `RelFieldTrimmer`: when trimming `SortRel`, the collation and trait set don't
-  match
-* Add test case for
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-411">CALCITE-411</a>]
-  Duplicate column aliases
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-407">CALCITE-407</a>]
-  `RemoveTrivialProjectRule` drops child node's traits
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-409">CALCITE-409</a>]
-  `PushFilterPastProjectRule` should not push filters past windowed aggregates
-* Fix tests on Windows.
-* Don't load `FoodMartQuerySet` unless we have to. It's big.
-* Enable connection pooling in test suite.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-384">CALCITE-384</a>]
-  Add `apache-` prefix to tarball and directory within tarball
-* Freeze hive fmpp > freemarker plugin dependency.
-* Upgrade Janino
-* Removed hardcoded foodmart schema information
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-387">CALCITE-387</a>]
-  CompileException when cast TRUE to nullable boolean
-* Temporary fix for
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-390">CALCITE-390</a>]
-  Transitive inference (`RelMdPredicates`) doesn't handle semi-join
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-385">CALCITE-385</a>]
-  Change comment style for Java headers
-* Disable test that is inconistent between JDK 1.7 and 1.8.
-* Fix `git-commit-id-plugin` error when running in Travis-CI.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-381">CALCITE-381</a>]
-  Remove plugin versions from the `&lt;plugins&gt;` tag in root pom
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-383">CALCITE-383</a>]
-  Each jar should have a `git.properties` file describing its exact version
-* Fix `mvn site` on JDK 1.8 and enable in Travis-CI.
-* Status icon based on master branch, not whichever branch happened to build
-  most recently.
-* HOWTO:
-  * Document how to build from git, and how to get jars from maven repo.
-  * Optiq web site
-  * Template emails for Apache votes
-  * Update JIRA cases following release
-  * Instructions for making and verifying a release
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/optiq-0.9.0-incubating">0.9.0-incubating</a> / 2014-08-19
-
-This is the first release under the Apache incubator process.
-
-New features
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-371">CALCITE-371</a>]
-  Implement `JOIN` whose `ON` clause contains mixed equi and theta
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-369">CALCITE-369</a>]
-  Add `EnumerableSemiJoinRel`, implementation of semi-join in enumerable
-  convention
-* Add class `Strong`, for detecting null-rejecting predicates.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-368">CALCITE-368</a>]
-  Add SemiJoinRule, planner rule to convert project-join-aggregate into semi-join
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-367">CALCITE-367</a>]
-  `PushFilterPastJoinRule` should strengthen join type
-* Add `EquiJoinRel`, base class for joins known to be equi-joins.
-* Implement `CAST(&lt;string&gt; AS &lt;datetime&gt;)` and
-  `&lt;datetime&gt; + &lt;interval&gt;`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-360">CALCITE-360</a>]
-  Introduce a rule to infer predicates from equi-join conditions
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-349">CALCITE-349</a>]
-  Add heuristic join-optimizer that can generate bushy joins
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-346">CALCITE-346</a>]
-  Add commutative join rule
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-347">CALCITE-347</a>]
-  In `SqlRun`, add `!plan` command
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-314">CALCITE-314</a>]
-  Allow simple UDFs based on methods
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-327">CALCITE-327</a>]
-  Rules should use base class to find rule match & use factory for object
-  creation
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-316">CALCITE-316</a>]
-  In `SqlRun`, match output regardless of order if `ORDER BY` not present
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-300">CALCITE-300</a>]
-  Support multiple parameters in `COUNT(DISTINCT x, y, ...)`
-
-API changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-343">CALCITE-343</a>]
-  RelDecorrelator should build its own mappings, not inherit from SqlToRelConverter
-* Remove deprecated methods.
-* Convert `Hook` to use Guava `Function` (was linq4j `Function1`).
-* Add fluent method `withHook`, to more easily add hooks in tests.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-321">CALCITE-321</a>]
-  Add support for overriding implementation of `CompoundIdentifier` in
-  `SqlParser`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-322">CALCITE-322</a>]
-  Add support for `SqlExplain`, `SqlOrderBy` and `SqlWith` to support
-  `SqlShuttle` use.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-323">CALCITE-323</a>]
-  Override `SqlUnresolvedFunction.inferReturnType()` to return `ANY` type
-  so framework implementors can support late bound function implementations.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-324">CALCITE-324</a>]
-  Add `ViewExpander` for `Planner` in `Frameworks`. Expose additional
-  properties of `ViewTable` to allow subclassing.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-247">CALCITE-247</a>]
-  Add `Context` and `FrameworkConfig`
-
-Bug-fixes and internal changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-380">CALCITE-380</a>]
-  Downgrade to Guava 11.0.2
-* Move several .md files into new 'doc' directory, to keep the root directory simple.
-* Add DISCLAIMER
-* Update history and HOWTO
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-377">CALCITE-377</a>]
-  UnregisteredDriver should catch, log and re-throw NoClassDefFoundError
-* Inherit maven-release-plugin from Apache POM.
-* Test case for
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-373">CALCITE-373</a>]
-  NOT IN and NULL values
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-372">CALCITE-372</a>]
-  Change `LoptOptimizeJoinRule` &amp; `PushFilterPast`* rules to use factory
-* Upgrade `maven-checkstyle-plugin`.
-* Add class `Holder`, a mutable slot that can contain one object.
-* Remove the 2-minute wait at the top of the hour for tests of
-  `CURRENT_TIME`, etc.
-* Tune `ImmutableIntList`'s iterators.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-364">CALCITE-364</a>]
-  Validator rejects valid `WITH ... ORDER BY` query
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-363">CALCITE-363</a>]
-  Use `dependencyManagement` and `pluginManagement` in POM files
-* Add `FilterFactory`.
-* Add `README` file, incubation disclaimers, and how-to build and running tests.
-* Add `KEYS` and start how-to for making snapshots and releases.
-* Capital case component names; inherit license info from Apache parent POM.
-* Only run `apache-rat` and `git-commit-id-plugin` in "release" maven profile.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-348">CALCITE-348</a>]
-  Add Apache RAT as maven plugin
-* Change license headers from "Julian Hyde" to "ASF"; add headers where missing.
-* Fix build breakage on JDK 1.6 due to missing method `BitSet.previousClearBit`.
-* Refactor test infrastructure to allow testing against heuristic bushy-join
-  optimizer.
-* Add methods and tests for BitSets, and re-organize tests.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-354">CALCITE-354</a>]
-  Change maven groupId to "org.apache.optiq"
-* Specify return type when calling `RexBuilder.makeCall`, if possible.
-* Eliminate duplicate conditions in `RexProgramBuilder.addCondition`, not
-  `RexBuilder.makeCall` as previously.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-345">CALCITE-345</a>]
-  `AssertionError` in `RexToLixTranslator` comparing to date literal
-* Restore `PushFilterPastJoinRule` to `RelDecorrelator`; interim pending
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-343">CALCITE-343</a>]
-  fix.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-340">CALCITE-340</a>]
-  Fix bug in `SqlToRelConverter` when push expressions in join conditions into
-  `ProjectRel`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-313">CALCITE-313</a>]
-  Query decorrelation fails
-* While unifying a `RelNode` tree with a materialized view expression,
-  switch representation to `MutableRel`s.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-305">CALCITE-305</a>]
-  Unit test failure on release candidates
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-325">CALCITE-325</a>]
-  Use Java list instead of Guava list to avoid null checks in case of
-  `SqlTypeExplicitPrecedenceList`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-326">CALCITE-326</a>]
-  Fix `RelOptUtil` `ANY` type check.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-303">CALCITE-303</a>]
-  Migrate issue URLs
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-331">CALCITE-331</a>]
-  Precision/scale compatibility checks should always succeed for `ANY` type
-* In `SqlRun`, allow `!plan` after `!ok` for same SQL statement.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-318">CALCITE-318</a>]
-  Add unit test for `SqlRun`
-* Fix a bug where composite `SELECT DISTINCT` would return duplicate rows.
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/optiq-parent-0.8">0.8</a> / 2014-06-27
-
-New features
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-310">CALCITE-310</a>]
-   Implement LEAD, LAG and NTILE windowed aggregates
-* Reduce `COUNT(not-null-expression)` to `COUNT()`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-292">CALCITE-292</a>]
-   Improve windowed aggregate return types
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-302">CALCITE-302</a>]
-   Use heuristic rule to plan queries with large numbers of joins
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-283">CALCITE-283</a>]
-  Add TPC-DS data generator
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-294">CALCITE-294</a>]
-  Implement DENSE_RANK windowed aggregate function
-* SqlRun utility
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-290">CALCITE-290</a>]
-    Add `SqlRun`, an idempotent utility for running SQL test scripts
-  * Add "!skip" command to SqlRun.
-  * Add MySQL formatting mode to SqlRun.
-
-API changes
-* Re-organize planner initialization,
-  to make it easier to use heuristic join order.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-301">CALCITE-301</a>]
-  Add `Program` interface, a planner phase more general than current `RuleSet`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-263">CALCITE-263</a>]
-  Add operand type that will cause a rule to fire when a new subset is created
-* Clean up and document SqlKind.
-  * Add `IS_NOT_TRUE` and `IS_NOT_FALSE` `SqlKind` enums.
-  * Add `SqlKind.IS_NOT_NULL` enum value, and use where possible,
-    including for `IS_NOT_UNKNOWN` operator.
-
-Bug-fixes and internal changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-312">CALCITE-312</a>]
-  Trim non-required fields before `WindowRel`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-311">CALCITE-311</a>]
-  Wrong results when filtering the results of windowed aggregation
-* More tests for `WITH ... ORDER BY`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-309">CALCITE-309</a>]
-  `WITH ... ORDER BY` query gives `AssertionError`
-* Enable `MultiJoinRel` and some other planner rule tests.
-* Add `ImmutableNullableList` and `UnmodifiableArrayList`,
-  and remove calls to `Arrays.asList`.
-* Add method `IntPair.zip`.
-* Reimplement regular and windowed aggregates
-* Switch from github to Apache JIRA for issues tracking.
-  * In release history, update issue URLs from github to Apache JIRA
-* The Apache mailing list is now the official mailing list. Add presentations.
-* Add test for overloaded UDF.
-* Add tests for `NOT IN` where sub-query returns NULL values.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-288">CALCITE-288</a>]
-  Add tests for windowed aggregation based on Postgres reference queries
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-286">CALCITE-286</a>]
-  Error casting MongoDB date
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-284">CALCITE-284</a>]
-  Window functions range defaults to `CURRENT ROW`
-* [<a href=https://issues.apache.org/jira/browse/CALCITE-285">CALCITE-285</a>]
-  Window functions throw exception without `ORDER BY`
-* Test case for
-  [<a href=““https://issues.apache.org/jira/browse/CALCITE-285”>CALCITE-285</a>].
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-281">CALCITE-281</a>]
-  `EXTRACT` function's SQL return type is `BIGINT` but implemented as Java `int`
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/optiq-parent-0.7">0.7</a> / 2014-05-13
-
-New features
-* Implement table functions.
-* Arrays and multi-sets:
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-267">CALCITE-267</a>]
-    Improve support for ARRAY data type
-  * Better type information for JDBC Array; nested array now possible.
-  * Implement `JOIN LATERAL` and `JOIN UNNEST`.
-  * Implement the `UNNEST` relational operator, and various improvements
-    to `ARRAY` and `MULTISET` data types.
-  * Represent `ARRAY` columns as Java lists.
-  * Implement `CARDINALITY(ARRAY)` SQL operator.
-* Implement scalar sub-query in `SELECT` clause.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-273">CALCITE-273</a>]
-  Support column alias in WITH queries (common table expressions)
-* Windowed aggregates:
-  * Aggregate over constants, e.g. `SUM(1) OVER (ROWS 10 PRECEDING)`;
-  * `UNBOUNDED PRECEDING` window range;
-  * Windowed aggregates computed over primitive scalars.
-* Fix return type inference for aggregate calls. If the `GROUP BY` clause is
-  empty, `SUM` may return null.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-37">CALCITE-37</a>]
-  Document JSON model file format (as <a href="model.md">model.md</a>).
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-238">CALCITE-238</a>]
-  Add adapter that generates TPC-H data
-* Improve exception message in `AvaticaConnection`; add
-  `ExceptionMessageTest`.
-* Implement micro-benchmarks via
-  <a href="http://openjdk.java.net/projects/code-tools/jmh/">JMH</a>.
-
-API changes
-* Provide an option to create root schema without the "metadata" schema.
-* Schema SPI:
-  * [<a href="https://issues.apache.org/jira/browse/CALCITE-175">CALCITE-175</a>]
-    Modify Schema SPI to allow caching
-  * Get sub-schemas defined by a Schema SPI, and cache their `OptiqSchema`
-    wrappers. (Tobi Vollebregt and Julian Hyde)
-* SqlAdvisor callable from client via JDBC.
-
-Bug-fixes and internal changes
-* Add Apache incubator proposal.
-* Rename RELEASE.md to HISTORY.md.
-* Upgrade maven-release-plugin.
-* Upgrade to linq4j-0.3.
-* Code generation improvements:
- * Move code-generation optimizer to linq4j;
- * Improve translation of strict functions;
- * Mark most methods in `SqlFunctions` as `@Deterministic`;
- * Support `static final` constants generated by linq4j.
- * Avoid excessive box and unbox of primitives when using `Object[]` storage.
- * In JDBC result set, avoid row computation on each accessor call.
-* Test composite join conditions in various flavors of outer join.
-* Use `fromTrait` of the just previously converted `RelNode` instead
-  of the original `RelNode`.
-* Disable a MongoDB test, pending
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-270">CALCITE-270</a>].
-* Hush warnings from `SplunkAdapterTest` if Splunk is not available.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-252">CALCITE-252</a>]
-  Scalar sub-query that returns 0 rows should become NULL value
-* `SplunkAdapterTest` now uses the same Foodmart database as `JdbcTest`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-242">CALCITE-242</a>]
-  SplunkAdapterTest fails
-* Remove some obsolete classes.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-205">CALCITE-205</a>]
-  Suspicious map.get in VolcanoPlanner.reregister
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/optiq-parent-0.6">0.6</a> / 2014-04-11
-
-New features
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-214">CALCITE-214</a>]
-  Modify Frameworks to allow Schema to be re-used
-  Obsoletes `name` field of `ReflectiveSchema`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-237">CALCITE-237</a>]
-  Allow user-defined aggregate functions (UDAs) to be defined in a model
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-227">CALCITE-227</a>]
-  Extend `EXTRACT` function to support `DATE`, `TIME` and `TIMESTAMP` values
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-222">CALCITE-222</a>]
-  User-defined table macros
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-179">CALCITE-179</a>]
-  Optiq on Windows
-  * Add `sqlline.bat` and fix issues running `sqlline` under Cygwin.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-195">CALCITE-195</a>]
-  Push aggregation into MongoDB adapter
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-193">CALCITE-193</a>]
-  Implement OFFSET and LIMIT in MongoDB adapter
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-164">CALCITE-164</a>]
-  Improve query performance of optiq over MongoDB
-* Add Phoenix (HBase) SQL dialect (Bruno Dumon)
-
-API changes
-* Obsolete `RexImpTable.AggregateImplementor` and rename `AggImplementor2`.
-  (**This is a breaking change**.)
-* Convert `CombinedParser.jj` into freemarker template to allow
-  custom parser implementations. (Venki Korukanti)
-* Extend `Planner` to pass a custom `ConvertletTable` and custom SQL parser.
-* In `Frameworks`, add a way to specify list of `TraitDef`s that will be used
-  by planner. (Jinfeng Ni)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-198">CALCITE-198</a>]
-  Use `RexExecutor` to evaluate projections and filters
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-219">CALCITE-219</a>]
-  Parse `ALTER scope SET option = value` statement
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-215">CALCITE-215</a>]
-  A Schema should not have to remember its name and parent
-  (**This is a breaking change**.)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-180">CALCITE-180</a>]
-  Common base class for TableFunction, ScalarFunction
-  (**This is a breaking change**.)
-* Add methods for dealing with symbols; deprecate
-  `SqlLiteral.booleanValue(SqlNode)`, `SqlLiteral.symbolValue(SqlNode)`.
-* Add `RelOptPlanner.clear()`; now it is safe to call `transform` twice.
-  (Jinfeng Ni)
-* Remove APIs deprecated for 0.5.
-* Move around some operator classes and singletons.
-
-Bug fixes and internal changes
-* Upgrade to linq4j-0.2.
-* `FETCH` and `LIMIT` are ignored during SQL-to-RelNode translation.
-  (Venki Korukanti)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-245">CALCITE-245</a>]
-  Off-by-one translation of ON clause of JOIN
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-191">CALCITE-191</a>]
-  Rotate time/date/timestamp vals to local timezone
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-244">CALCITE-244</a>]
-  `RelOptTableImpl.create` always expects `QueryableTable` type in
-  `OptiqSchema.TableEntry`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-225">CALCITE-225</a>]
-  Optiq doesn't correctly decorrelate queries
-* Clean up package-info.  Remove duplicates in test packages so they
-  don't conflict with those in non-test packages.
-* Add `Pair.adjacents(Iterable)`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-199">CALCITE-199</a>]
-  Various `ANY` type conditions aren't correctly being considered
-  (Jacques Nadeau)
-* Add files to `.gitignore` that shouldn't be checked in when using
-  Eclipse. (Jacques Nadeau)
-* Add class `ControlFlowException`, and make it base class of
-  existing control-flow exception classes.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-232">CALCITE-232</a>]
-  Sum and avg of empty set should be null as per SQL specification
-* Add `SqlUnresolvedFunction`, to improve how return type of
-  user-defined functions is resolved. (Vladimir Sitnikov)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-228">CALCITE-228</a>]
-  Error while compiling generated Java code when using UDF in expression
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-226">CALCITE-226</a>]
-  User-defined functions should work without explicit schema prefix
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-229">CALCITE-229</a>]
-  Join between different JDBC schemas not implementable
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-230">CALCITE-230</a>]
-  RemoveSortRule derives trait set from sort, should derive it from sort's child
-* Test view and sub-query with `ORDER BY` and `LIMIT`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-223">CALCITE-223</a>]
-  Add `NOTICE` and `LICENSE` files in all generated JAR files
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-209">CALCITE-209</a>]
-  Consistent strategy for line-endings in tests
-  Convert uses of `NL` in tests to Linux newline "\n".
-  This makes string constants simpler.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-218">CALCITE-218</a>]
-  Functions case sensitive when using `Lex.MYSQL`
-* Add tests that a query with aggregate expressions in the `SELECT`
-  clause is considered an aggregate query, even if there is no `GROUP BY`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-216">CALCITE-216</a>]
-  Inconsistent use of provided operator table causes inability to
-  add aggregate functions
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-200">CALCITE-200</a>]
-  Javadoc generation fails under JDK 1.8
-* Add class `XmlOutput` (based on `org.eigenbase.xom.XMLOutput`) and remove
-  dependency on eigenbase-xom.
-* Performance: Don't create stack-trace for exceptions used for control-flow.
-  (Vladimir Sitnikov)
-* Performance: Tune `RexProgramBuilder` by using `Pair` rather than `String` as
-  expression key. (Vladimir Sitnikov)
-* Fix NPE using TRIM function with JDBC. (Bruno Dumon)
-* Add dependency on
-  <a href="https://github.com/julianhyde/hydromatic-resource">hydromatic-resource-maven-plugin</a>
-  and obsolete our copy of the resource framework.
-* Fix race condition in `SpaceList`.
-* In planner, use `RelTrait.subsumes` rather than `equals` in an assert.
-  (Jinfeng Ni)
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/optiq-parent-0.5">0.5</a> / 2014-03-14
-
-New features
-* Allow `quoting`, `quotedCasing`, `unquotedCasing`, and `caseSensitive`
-  properties to be specified explicitly (Vladimir Sitnikov)
-* Recognize more kinds of materializations, including filter-on-project (where
-  project contains expressions) and some kinds of aggregation.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-128">CALCITE-128</a>]
-  Support `WITH` queries (common table expressions)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-53">CALCITE-53</a>]
-  Allow `WHEN` clause in simple `CASE` expression to have multiple values
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-156">CALCITE-156</a>]
-  Optiq should recognize 'SYSTEM TABLE', 'JOIN', 'INDEX' as table types
-* Support querying ARRAY columns from JDBC source. (Gabriel Reid)
-
-API changes
-* Add `ProjectRelBase.copy(RelTraitSet, RelNode, List&lt;RexNode&gt;,
-  RelDataType)` and make `ProjectRelBase.copy(RelTraitSet, RelNode)` final.
-  (**This is a breaking change** for sub-classes of `ProjectRelBase`.)
-* Change `RexBuilder.makeRangeReference` parameter type.
-* `RexBuilder.makeInputRef` replaces `RelOptUtil.createInputRef`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-160">CALCITE-160</a>]
-  Allow comments in schema definitions
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-147">CALCITE-147</a>]
-  Create a new kind of `SqlCall` that keeps operands in fields, not an operands
-  array
-  * Very widely used parse tree nodes with complex operands, including
-    `SqlSelect`, `SqlJoin`, `SqlInsert`, and a new node type `SqlOrderBy`, are
-    now sub-classes of `SqlCall` but not `SqlBasicCall`.
-  * (**This is a breaking change** to code that assumes that, say,
-    `SqlSelect` has an `operands` field.)
-* Convert all enum constants to upper-case.
-  (**This is a breaking change**.)
-
-Bug-fixes and internal changes
-* Generate optiq-core-VERSION-tests.jar not parent-VERSION-tests.jar.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-176">CALCITE-176</a>]
-  ORDER BY expression doesn't work with SELECT \*
-* Fix VARCHAR casts sent to hsqldb source (Bruno Dumon)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-143">CALCITE-143</a>]
-  Remove dependency on eigenbase-resgen
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-173">CALCITE-173</a>]
-  Case-insensitive table names are not supported for `Casing.UNCHANGED`
-* `DATE.getLimit` now returns `Calendar` in GMT time zone (Vladimir Sitnikov)
-* Set `en_US` locale in tests that match against error numbers, dates
-  (Vladimir Sitnikov)
-* Use 1 test thread per CPU to avoid thread starvation on dual core CPUs
-  (Vladimir Sitnikov)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-174">CALCITE-174</a>]
-  Move hsqldb to test scope
-* Add unit tests for `RexExecutorImpl`.
-* Correct JSON model examples in Javadoc comments. (Karel Vervaeke)
-* Move test reference logs from `src/test/java` to `src/test/resources`
-  (reduces the number of 'untracked files' reported by git)
-* Tune `Util.SpaceList`, fix race condition, and move into new utility class
-  `Spaces`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-163">CALCITE-163</a>]
-  Equi-join warning
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-157">CALCITE-157</a>]
-  Handle `SQLFeatureNotSupported` when calling `setQueryTimeout`
-  (Karel Vervaeke)
-* Fix Optiq on Windows. (All tests and checkstyle checks pass.)
-* In checkstyle, support Windows-style file separator, otherwise build fails in
-  Windows due to suppressions not used. (Vladimir Sitnikov)
-* Enable MongoDB tests when `-Dcalcite.test.mongodb=true`.
-* Cleanup cache exception-handling and an assert.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-153">CALCITE-153</a>]
-  Error using MongoDB adapter: Failed to set setXIncludeAware(true)
-* Disable spark engine unless Spark libraries are on the class path and
-  `spark=true` is specified in the connect string.
-* Fix path to `mongo-zips-model.json` in HOWTO. (Mariano Luna)
-* Fix bug deriving the type of a join-key.
-* Fix the value of `ONE_MINUS_EPSILON`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-158">CALCITE-158</a>]
-  Optiq fails when call `Planner.transform()` multiple times, each with
-  different ruleset
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-148">CALCITE-148</a>]
- Less verbose description of collation. Also, optimize `RelTraitSet` creation
- and amortize `RelTraitSet.toString()`.
-* Add generics to SQL parser.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-145">CALCITE-145</a>]
-  Unexpected upper-casing of keywords when using java lexer
-* Remove duplicate `maven-source-plugin`.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-141">CALCITE-141</a>]
-  Downgrade to guava-11.0.2. (This is necessary for Hadoop compatibility.
-  Later versions of Guava can also be used.)
-* Upgrade to spark-0.9.0. (Because this version of spark is available from
-  maven-central, we can make optiq-spark part of the regular build, and remove
-  the spark profile.)
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/optiq-parent-0.4.18">0.4.18</a> / 2014-02-14
-
-API and functionality changes
-* Configurable lexical policy
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-33">CALCITE-33</a>]
-      SQL parser should allow different identifier quoting
-    * [<a href="https://issues.apache.org/jira/browse/CALCITE-34">CALCITE-34</a>]
-      Policy for case-sensitivity of identifiers should be configurable
-    * New connect-string parameter "lex", with allowable values
-      "ORACLE", "MYSQL", "SQL_SERVER", "JAVA" sets policy to be like those
-      databases, in terms of quote string, whether quoted and unquoted
-      identifiers are converted to upper/lower case, and whether
-      identifiers are matched case-sensitively. "JAVA" is case-sensitive,
-      even for unquoted identifiers. It should be possible
-      for each connection to have its own settings for these. Objects
-      shared between sessions (views, materialized views) might
-      require more work.
-    * Added various internals to make it easy for developers to do the
-      right thing. When you need to look up a schema, table or
-      column/field name, you should use a catalog reader, and it will
-      apply the right case-sensitivity policy.
-    * Enable optiq consumer to utilize different lexical settings in
-      Frameworks/Planner. (Jacques Nadeau)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-135">CALCITE-115</a>]
-  Add a PARSE_TREE hook point with SqlNode parameter
-* Change planner rules to use `ProjectFactory` for creating
-  projects. (John Pullokkaran)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-131">CALCITE-131</a>]
-  Add interfaces for metadata (statistics)
-  (**This is a breaking change**.)
-* Update Avatica to allow `Cursor` & `Accessor` implementations to throw
-  `SQLException`. (Jacques Nadeau)
-* Separate cost model (`RelOptCostFactory`) from planner. Allow
-  `VolcanoPlanner` to be sub-classed with different cost factory.
-    * Remove references to VolcanoCost from RelSubset, so clients can
-      use a different `RelOptCost`. (Harish Butani)
-    * Make `VolcanoCost` immutable.
-* Break `SqlTypeStrategies` into `OperandTypes`, `ReturnTypes` and
-  `InferTypes`, and rename its static members to upper-case, per
-  checkstyle. (**This is a breaking change**.)
-* Add a mechanism for defining configuration parameters and have them
-  appear in the responses to `AvaticaDatabaseMetaData` methods.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-113">CALCITE-113</a>]
-  User-defined scalar functions
-* Add rules to short-cut a query if `LIMIT 0` is present. Also remove
-  sort, aggregation, join if their inputs are known to be empty, and
-  propagate the fact that the relational expressions are known to be
-  empty up the tree. (We already do this for union, filter, project.)
-* `RexNode` and its sub-classes are now immutable.
-
-Bug fixes and internal changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-61">CALCITE-16</a>]
-  Upgrade to janino-2.7
-* Upgrade to guava-15.0 (guava-14.0.1 still allowed), sqlline-1.1.7,
-  maven-surefire-plugin-2.16, linq4j-0.1.13.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-136">CALCITE-136</a>]
-  Support Hive dialect
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-138">CALCITE-138</a>]
-  SqlDataTypeSpec.clone handles collection types wrong
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-137">CALCITE-137</a>]
-  If a subset is created that is subsumed by an existing subset, its
-  'best' is not assigned
-    * If best rel in a Volcano subset doesn't have metadata, see if
-      other rels have metadata.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-127">CALCITE-127</a>]
-  EnumerableCalcRel can't support 3+ AND conditions (Harish Butani)
-* Fix push-down of datetime literals to JDBC data sources.
-* Add `Util.startsWith(List, List)` and `Util.hashCode(double)`.
-* Add maven-checkstyle-plugin, enable in "verify" phase, and fix exceptions.
-* Fix `SqlValidator` to rely on `RelDataType` to do field name matching.  Fix
-  `RelDataTypeImpl` to correctly use the case sensitive flag rather than
-  ignoring it.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-119">CALCITE-119</a>]
-  Comparing Java type long with SQL type INTEGER gives wrong answer
-* Enable multi-threaded testing, and fix race conditions.
-    * Two of the race conditions involved involving trait caches. The
-      other was indeterminacy in type system when precision was not
-      specified but had a default; now we canonize TIME to TIME(0), for
-      instance.
-* Convert files to `us-ascii`.
-* Work around
-  [<a href="http://jira.codehaus.org/browse/JANINO-169">JANINO-169</a>].
-* Refactor SQL validator testing infrastructure so SQL parser is
-  configurable.
-* Add `optiq-mat-plugin` to README.
-* Fix the check for duplicate subsets in a rule match.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-112">CALCITE-112</a>]
-  Java boolean column should be treated as SQL boolean
-* Fix escaped unicode characters above 0x8000. Add tests for unicode
-  strings.
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/optiq-parent-0.4.17">0.4.17</a> / 2014-01-13
-
-API changes
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-106">CALCITE-106</a>]
-  Make `Schema` and `Table` SPIs simpler to implement, and make them
-  re-usable across connections
-  (**This is a breaking change**.)
-* Make it easier to define sub-classes of rule operands. The new class
-  `RelOptRuleOperandChildren` contains the children of an operand and
-  the policy for dealing with them. Existing rules now use the new
-  methods to construct operands: `operand()`, `leaf()`, `any()`, `none()`,
-  `unordered()`. The previous methods are now deprecated and will be
-  removed before 0.4.18. (**This is a breaking change**.)
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-101">CALCITE-101</a>]
-  Enable phased access to the Optiq engine
-* List-handling methods in `Util`: add methods `skipLast`, `last`, `skip`;
-  remove `subList`, `butLast`.
-* Convert `SqlIdentifier.names` from `String[]` to `ImmutableList<String>`.
-* Rename `OptiqAssert.assertThat()` to `that()`, to avoid clash with junit's
-  `Assert.assertThat()`.
-* Usability improvements for `RelDataTypeFactory.FieldInfoBuilder`. It
-  now has a type-factory, so you can just call `build()`.
-* Rework `HepProgramBuilder` into a fluent API.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-105">CALCITE-105</a>]
-  Externalize RelNode to and from JSON
-
-Tuning
-* If `EnumerableAggregateRel` has no aggregate functions, generate a
-   call to `Enumerable.distinct()`, thereby saving the effort of
-   building trivial accumulators.
-* Default rule set now does not introduce `CalcRel` until a later phase
-  of planning. This reduces the number of trivial projects and calcs
-  created, merged, and elimated.
-* Reduce the amount of time spent creating record types that
-  already exist.
-* More efficient implementation of `Util.isDistinct` for small lists.
-* When an internal record has 0 fields, rather than generating a
-  synthetic class and lots of instances that are all the same, use the
-  new `Unit` class, which is a singleton.
-* To take advantage of asymmetric hash join added recently in linq4j,
-  tweak cost of `EnumerableJoinRel` so that join is cheaper if the
-  larger input is on the left, and more expensive if it is a cartesian
-  product.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-70">CALCITE-70</a>]
-  Joins seem to be very expensive in memory
-* Make planning process more efficient by not sorting the list of
-  matched rules each cycle. It is sorted if tracing is enabled;
-  otherwise we scan to find the most important element. For this list,
-  replace `LinkedList` with `ChunkList`, which has an O(1) remove and add,
-  a fast O(n) get, and fast scan.
-
-Other
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-87">CALCITE-87</a>]
-  Constant folding
-  * Rules for constant-expression reduction, and to simplify/eliminate
-    `VALUES` operator.
-* Graph algorithms: Implement breadth-first iterator and cycle-detector.
-* Fix bug in planner which occurred when two `RelNode`s have identical
-  digest but different row-type.
-* Fix link to optiq-csv tutorial.
-* Fix bugs in `RemoveTrivialProjectRule.strip`, `JdbcProjectRel.implement`
-  and `SortRel.computeSelfCost`.
-* Reformat code, and remove `@author` tags.
-* Upgrade to eigenbase-xom-1.3.4, eigenbase-properties-1.1.4,
-  eigenbase-resgen-1.3.6.
-* Upgrade to linq4j-0.1.12.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-97">CALCITE-97</a>]
-  Correlated EXISTS
-* Fix a bug in `VolcanoCost`.
-* Add class `FoodMartQuerySet`, that contains the 6,700 foodmart queries.
-* Fix factory class names in `UnregisteredDriver`
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-96">CALCITE-96</a>]
-  LIMIT against a table in a clone schema causes UnsupportedOperationException
-* Disable spark module by default.
-* Allow `CloneSchema` to be specified in terms of url, driver, user,
-  password; not just dataSource.
-* Wrap internal error in `SQLException`.
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/optiq-parent-0.4.16">0.4.16</a> / 2013-11-24
-
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-69">CALCITE-69</a>]
-  Can't join on string columns and other problems with expressions in the join
-  condition
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-74">CALCITE-74</a>]
-  JOIN ... USING fails in 3-way join with UnsupportedOperationException.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-65">CALCITE-65</a>]
-  Fix issues in the JDBC driver, and in particular to DatabaseMetaData methods,
-  to make Squirrel-SQL run better.
-* Fix JDBC column, table, schema names for when the table is not in a schema of
-  depth 1.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-85">CALCITE-85</a>]
-  Adding a table to the root schema causes breakage in OptiqPrepareImpl
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-84">CALCITE-84</a>]
-  Extract Optiq's JDBC driver as a new JDBC driver framework, Avatica.
-  Other projects can use this to implement a JDBC driver by implementing
-  just a few methods. If you wish to use Optiq's JDBC driver, you will
-  now need to include optiq-avatica.jar in addition to optiq-core.jar.
-  Avatica does not depend on anything besides the standard Java library.
-* Support for parameters in PreparedStatement.
-* First steps in recognizing complex materializations. Internally we introduce a
-  concept called a "star table", virtual table composed of real tables joined
-  together via many-to-one relationships. The queries that define
-  materializations and end-user queries are canonized in terms of star tables.
-  Matching (not done yet) will then be a matter of looking for sort, groupBy,
-  project. It is not yet possible to define a star in an Optiq model file.
-* Add section to <a href="howto.md">HOWTO</a> on implementing adapters.
-* Fix data type conversions when creating a clone table in memory.
-* Fix how strings are escaped in JsonBuilder.
-* Test suite now depends on an embedded hsqldb database, so you can run
-  <code>mvn test</code> right after pulling from git. You can instead use a
-  MySQL database if you specify '-Dcalcite.test.db=mysql', but you need to
-  manually populate it.
-* Fix a planner issue which occurs when the left and right children of join are
-  the same relational expression, caused by a self-join query.
-* [<a href="https://issues.apache.org/jira/browse/CALCITE-76">CALCITE-76</a>]
-  Precedence of the item operator, <code>map[index]</code>; remove the space
-  before '[' when converting parse tree to string.
-* Allow <code>CAST(expression AS ANY)</code>, and fix an issue with the ANY type
-  and NULL values.
-* Handle null timestamps and dates coming out of JDBC adapter.
-* Add <code>jdbcDriver</code> attribute to JDBC schema in model, for drivers
-  that do not auto-register.
-* Allow join rules to match any subclass of JoinRelBase.
-* Push projects, filters and sorts down to MongoDB. (Fixes
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-57">CALCITE-57</a>],
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-60">CALCITE-60</a>] and
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-72">CALCITE-72</a>].)
-* Add instructions for loading FoodMart data set into MongoDB, and how to enable
-  tracing.
-* Now runs on JDK 1.8 (still runs on JDK 1.6 and JDK 1.7).
-* Upgrade to junit-4.11 (avoiding the dodgy junit-4.1.12).
-* Upgrade to linq4j-0.1.11.
-
-## <a href="https://github.com/apache/incubator-calcite/releases/tag/optiq-parent-0.4.15">0.4.15</a> / 2013-10-14
-
-* Lots of good stuff that this margin is too small to contain. See
-  <a href="reference.md">SQL language reference</a> and
-  <a href="model.md">JSON model reference</a>.
-
-# Optiq-csv release history
-
-Optiq-csv-0.3 was the last independent release of optiq-csv. From
-calcite-0.9.2 onwards, the code was included as the
-calcite-example-csv module.
-
-* Upgrade to calcite-0.9.1
-* Support gzip-compressed CSV and JSON files (recognized by '.gz' suffix)
-* Cleanup, and fix minor timezone issue in a test
-* Support for date types (date, time, timestamp) (Martijn van den Broek)
-* Upgrade to optiq-0.8, optiq-avatica-0.8, linq4j-0.4
-* Add support for JSON files (recognized by '.json' suffix)
-* Upgrade maven-release-plugin to version 2.4.2
-* Upgrade to optiq-0.6, linq4j-0.2
-* Add NOTICE and LICENSE files in generated JAR file
-
-## <a href="https://github.com/julianhyde/optiq-csv/releases/tag/optiq-csv-0.3">0.3</a> / 2014-03-21
-
-* Upgrade to optiq-0.5
-* Add workaround to
-  [<a href="https://github.com/jline/jline2/issues/62">JLINE2-62</a>]
-  to `sqlline.bat` (windows) and `sqlline` (windows using cygwin)
-* Fix classpath construction: `sqlline.bat` copies dependencies to
-  `target/dependencies`; `sqlline` constructs `target/classpath.txt`
-* Build, checkstyle and tests now succeed on windows (both native and cygwin)
-* Models can now contain comments
-* [<a href="https://github.com/julianhyde/optiq-csv/issues/2">OPTIQ-CSV-2</a>]
-  Update tutorial to reflect changes to Optiq's JDBC adapter
-
-## <a href="https://github.com/julianhyde/optiq-csv/releases/tag/optiq-csv-0.2">0.2</a> / 2014-02-18
-
-* Add test case for
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-112">CALCITE-112</a>]
-* Add `sqlline.bat`, Windows SQL shell (based on fix for
-  [<a href="https://issues.apache.org/jira/browse/DRILL-338">DRILL-338</a>])
-* Upgrade to optiq-0.4.18, sqlline-1.1.7
-* Return a single object for single-col enumerator (Gabriel Reid)
-* Enable maven-checkstyle-plugin; fix checkstyle exceptions
-
-## <a href="https://github.com/julianhyde/optiq-csv/releases/tag/optiq-csv-0.1">0.1</a> / 2014-01-13
-
-* Add release notes and history
-* Enable maven-release-plugin
-* Upgrade to optiq-0.4.17, linq4j-0.1.12, sqlline-1.1.6
-* Upgrade tutorial for new Schema and Table SPIs
-* Fixes for optiq SPI changes in
-  [<a href="https://issues.apache.org/jira/browse/CALCITE-106">CALCITE-106</a>]
-* Enable oraclejdk8 in Travis CI
-* Fix bug where non-existent directory would give NPE; instead print warning
-* Add an example of a planner rule
-* Add `CsvTableFactory`, an example of a custom table
-* Add a view to tutorial
-* Split into scenario with a "simple" schema that generates tables
-  (`CsvTable`) that just execute and a "smart" schema that generates
-  tables (`CsvSmartTable`) that undergo optimization
-* Make `CsvEnumerator` a top-level class
-* Implement the algorithms to sniff names and types from the first
-  row, and to return an enumerator of all rows
-* Read column types from header of CSV file
-
-# Linq4j release history
-
-Linq4j-0.4 was the last independent release of linq4j. From
-calcite-0.9.2 onwards, the code was included as calcite-linq4j, and
-features added to linq4j in a particular calcite release are described
-with the other changes in that release.
-
-## <a href="https://github.com/julianhyde/linq4j/releases/tag/linq4j-0.4">0.4</a> / 2014-05-28
-
-* Fix <a href="https://github.com/julianhyde/linq4j/issues/27">#27</a>,
-  "Incorrectly inlines non-final variable".
-* Maven build process now deploys web site.
-* Implement `Enumerable` methods: `any`, `all`,
-  `contains` with `EqualityComparer`, `first`, `first` with predicate.
-
-## <a href="https://github.com/julianhyde/linq4j/releases/tag/linq4j-0.3">0.3</a> / 2014-04-21
-
-* Move optimizer visitor from optiq to linq4j; add
-  `ExpressionType.modifiesLvalue` to avoid invalid inlining.
-* Fix <a href="https://github.com/julianhyde/linq4j/issues/17">#17</a>,
-  "Assign constant expressions to 'static final' members";
-  add `@Deterministic` annotation to help deduce which expressions are
-  constant.
-* Multi-pass optimization: some of the variables might be avoided and
-  inlined after the first pass.
-* Various other peephole optimizations: `Boolean.valueOf(const)`,
-  'not' expressions (`!const`, `!!a`, `!(a==b)`, `!(a!=b)`, `!(a>b)`,
-  etc.),
-  '?' expressions coming from `CASE` (`a ? booleanConstant : b` and `a
-  ? b : booleanConstant`).
-* Implement left, right and full outer join.
-* Clean build on cygwin/Windows.
-
-## <a href="https://github.com/julianhyde/linq4j/releases/tag/linq4j-0.2">0.2</a> / 2014-04-11
-
-* Fix <a href="https://github.com/julianhyde/linq4j/issues/8">#8</a>,
-  "Javadoc generation fails under JDK 1.8".
-* Fix <a href="https://github.com/julianhyde/linq4j/issues/15">#15</a>,
-  "`Expressions.ifThenElse` does not work".
-* Use `HashMap` for searching of declarations to reuse; consider both
-  `optimizing` and `optimize` flags when reusing.
-* Implement `equals` and `hashCode` for expressions. Hash codes for
-  complex expressio

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