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From jamestay...@apache.org
Subject [4/6] git commit: PHOENIX-1251 Salted queries with range scan become full table scans
Date Sat, 04 Oct 2014 03:51:01 GMT
PHOENIX-1251 Salted queries with range scan become full table scans

Conflicts:
	phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipScanAfterManualSplitIT.java
	phoenix-core/src/main/java/org/apache/phoenix/iterate/ParallelIterators.java

Conflicts:
	phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseTenantSpecificViewIndexIT.java
	phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseViewIT.java
	phoenix-core/src/it/java/org/apache/phoenix/end2end/index/LocalIndexIT.java
	phoenix-core/src/it/java/org/apache/phoenix/end2end/index/MutableIndexIT.java
	phoenix-core/src/main/java/org/apache/phoenix/cache/ServerCacheClient.java
	phoenix-core/src/main/java/org/apache/phoenix/coprocessor/MetaDataEndpointImpl.java
	phoenix-core/src/main/java/org/apache/phoenix/execute/BaseQueryPlan.java
	phoenix-core/src/main/java/org/apache/phoenix/filter/SkipScanFilter.java
	phoenix-core/src/main/java/org/apache/phoenix/iterate/DefaultParallelIteratorRegionSplitter.java
	phoenix-core/src/main/java/org/apache/phoenix/iterate/ParallelIteratorRegionSplitterFactory.java
	phoenix-core/src/main/java/org/apache/phoenix/iterate/ParallelIterators.java
	phoenix-core/src/main/java/org/apache/phoenix/query/StatsManagerImpl.java
	phoenix-core/src/main/java/org/apache/phoenix/schema/stat/StatisticsCollector.java
	phoenix-core/src/main/java/org/apache/phoenix/schema/stat/StatisticsTable.java
	phoenix-core/src/main/java/org/apache/phoenix/util/ScanUtil.java


Project: http://git-wip-us.apache.org/repos/asf/phoenix/repo
Commit: http://git-wip-us.apache.org/repos/asf/phoenix/commit/88c6abb0
Tree: http://git-wip-us.apache.org/repos/asf/phoenix/tree/88c6abb0
Diff: http://git-wip-us.apache.org/repos/asf/phoenix/diff/88c6abb0

Branch: refs/heads/3.0
Commit: 88c6abb038d83a261be4a7fdc5388a20a8513a23
Parents: ff47a95
Author: James Taylor <jtaylor@salesforce.com>
Authored: Wed Oct 1 08:49:04 2014 -0700
Committer: James Taylor <jtaylor@salesforce.com>
Committed: Fri Oct 3 18:20:54 2014 -0700

----------------------------------------------------------------------
 .../BaseParallelIteratorsRegionSplitterIT.java  |  90 ----
 .../end2end/BaseTenantSpecificViewIndexIT.java  |   7 +-
 .../org/apache/phoenix/end2end/BaseViewIT.java  |   5 +-
 ...efaultParallelIteratorsRegionSplitterIT.java | 163 -------
 .../org/apache/phoenix/end2end/DeleteIT.java    |   1 +
 .../phoenix/end2end/GuidePostsLifeCycleIT.java  | 168 -------
 .../org/apache/phoenix/end2end/InListIT.java    |   5 +-
 .../org/apache/phoenix/end2end/KeyOnlyIT.java   |  57 +--
 .../phoenix/end2end/MultiCfQueryExecIT.java     |  73 +--
 .../phoenix/end2end/ParallelIteratorsIT.java    | 172 +++++++
 .../org/apache/phoenix/end2end/QueryPlanIT.java | 202 --------
 ...ipRangeParallelIteratorRegionSplitterIT.java | 109 ++++-
 .../end2end/SkipScanAfterManualSplitIT.java     |  30 +-
 .../apache/phoenix/end2end/StatsManagerIT.java  | 198 --------
 .../end2end/TenantSpecificTablesDMLIT.java      |  55 +--
 .../phoenix/end2end/index/SaltedIndexIT.java    |   4 +-
 .../apache/phoenix/cache/ServerCacheClient.java |  12 +-
 .../org/apache/phoenix/compile/QueryPlan.java   |   2 +
 .../org/apache/phoenix/compile/ScanRanges.java  | 370 ++++++++++++---
 .../phoenix/compile/StatementContext.java       |  46 +-
 .../apache/phoenix/compile/WhereOptimizer.java  |  39 +-
 .../coprocessor/MetaDataEndpointImpl.java       |  85 ++--
 .../apache/phoenix/execute/AggregatePlan.java   |   4 +-
 .../apache/phoenix/execute/BaseQueryPlan.java   | 216 +++++++++
 .../apache/phoenix/execute/BasicQueryPlan.java  | 211 ---------
 .../phoenix/execute/DegenerateQueryPlan.java    |   2 +-
 .../apache/phoenix/execute/HashJoinPlan.java    |  13 +-
 .../org/apache/phoenix/execute/ScanPlan.java    |   6 +-
 .../apache/phoenix/filter/SkipScanFilter.java   |  29 +-
 .../phoenix/index/PhoenixIndexBuilder.java      |   1 -
 .../DefaultParallelIteratorRegionSplitter.java  | 174 -------
 .../apache/phoenix/iterate/ExplainTable.java    |   9 +-
 .../ParallelIteratorRegionSplitterFactory.java  |  38 --
 .../phoenix/iterate/ParallelIterators.java      | 456 ++++++++++++++-----
 ...SkipRangeParallelIteratorRegionSplitter.java |  83 ----
 .../apache/phoenix/jdbc/PhoenixStatement.java   |   5 +
 .../java/org/apache/phoenix/query/KeyRange.java |   8 +
 .../org/apache/phoenix/query/StatsManager.java  |  59 ---
 .../apache/phoenix/query/StatsManagerImpl.java  | 214 ---------
 .../schema/stat/StatisticsCollector.java        |  47 +-
 .../phoenix/schema/stat/StatisticsTable.java    |  18 +-
 .../java/org/apache/phoenix/util/ScanUtil.java  |  66 ++-
 .../compile/ScanRangesIntersectTest.java        | 105 +++++
 .../apache/phoenix/compile/ScanRangesTest.java  |   2 +-
 .../phoenix/compile/WhereCompilerTest.java      |  13 +-
 .../phoenix/compile/WhereOptimizerTest.java     |   5 +-
 .../query/BaseConnectionlessQueryTest.java      |   3 +-
 .../org/apache/phoenix/query/QueryPlanTest.java | 179 ++++++++
 .../java/org/apache/phoenix/util/TestUtil.java  |  41 ++
 .../phoenix/pig/hadoop/PhoenixInputFormat.java  |  25 +-
 50 files changed, 1749 insertions(+), 2176 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseParallelIteratorsRegionSplitterIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseParallelIteratorsRegionSplitterIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseParallelIteratorsRegionSplitterIT.java
deleted file mode 100644
index 514b36e..0000000
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseParallelIteratorsRegionSplitterIT.java
+++ /dev/null
@@ -1,90 +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.
- */
-package org.apache.phoenix.end2end;
-
-import static org.apache.phoenix.util.TestUtil.STABLE_NAME;
-import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.PreparedStatement;
-import java.sql.SQLException;
-import java.util.Map;
-import java.util.Properties;
-
-import org.apache.phoenix.jdbc.PhoenixConnection;
-import org.apache.phoenix.schema.PTableKey;
-import org.apache.phoenix.schema.TableRef;
-import org.apache.phoenix.util.PhoenixRuntime;
-import org.apache.phoenix.util.PropertiesUtil;
-import org.apache.phoenix.util.ReadOnlyProps;
-import org.junit.BeforeClass;
-import org.junit.experimental.categories.Category;
-
-import com.google.common.collect.Maps;
-
-@Category(ClientManagedTimeTest.class)
-public class BaseParallelIteratorsRegionSplitterIT extends BaseClientManagedTimeIT {
-
-    protected static final byte[] KMIN  = new byte[] {'!'};
-    protected static final byte[] KMIN2  = new byte[] {'.'};
-    protected static final byte[] K1  = new byte[] {'a'};
-    protected static final byte[] K3  = new byte[] {'c'};
-    protected static final byte[] K4  = new byte[] {'d'};
-    protected static final byte[] K5  = new byte[] {'e'};
-    protected static final byte[] K6  = new byte[] {'f'};
-    protected static final byte[] K9  = new byte[] {'i'};
-    protected static final byte[] K11 = new byte[] {'k'};
-    protected static final byte[] K12 = new byte[] {'l'};
-    protected static final byte[] KMAX  = new byte[] {'~'};
-    protected static final byte[] KMAX2  = new byte[] {'z'};
-    
-    @BeforeClass
-    @Shadower(classBeingShadowed = BaseClientManagedTimeIT.class)
-    public static void doSetup() throws Exception {
-        Map<String,String> props = Maps.newHashMapWithExpectedSize(3);
-        // Must update config before starting server
-        setUpTestDriver(new ReadOnlyProps(props.entrySet().iterator()));
-    }
-    
-    protected void initTableValues(long ts) throws Exception {
-        byte[][] splits = new byte[][] {K3,K4,K9,K11};
-        ensureTableCreated(getUrl(),STABLE_NAME,splits, ts-2);
-        String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + ts;
-        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
-        Connection conn = DriverManager.getConnection(url, props);
-        PreparedStatement stmt = conn.prepareStatement(
-                "upsert into " + STABLE_NAME + " VALUES (?, ?)");
-        stmt.setString(1, new String(KMIN));
-        stmt.setInt(2, 1);
-        stmt.execute();
-        stmt.setString(1, new String(KMAX));
-        stmt.setInt(2, 2);
-        stmt.execute();
-        conn.commit();
-        conn.close();
-    }
-
-    protected static TableRef getTableRef(Connection conn, long ts) throws SQLException {
-        PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
-        TableRef table = new TableRef(null, pconn.getMetaDataCache().getTable(
-                new PTableKey(pconn.getTenantId(), STABLE_NAME)), ts, false);
-        return table;
-    }
-    
-}

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseTenantSpecificViewIndexIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseTenantSpecificViewIndexIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseTenantSpecificViewIndexIT.java
index cda44c5..c6a6a7e 100644
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseTenantSpecificViewIndexIT.java
+++ b/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseTenantSpecificViewIndexIT.java
@@ -102,10 +102,11 @@ public class BaseTenantSpecificViewIndexIT extends BaseHBaseManagedTimeIT {
         conn.createStatement().execute("UPSERT INTO v(k2,v1,v2) VALUES (-1, 'blah', 'superblah')"); // sanity check that we can upsert after index is there
         conn.commit();
         ResultSet rs = conn.createStatement().executeQuery("EXPLAIN SELECT k1, k2, v2 FROM v WHERE v2='" + valuePrefix + "v2-1'");
-        assertEquals(saltBuckets == null ? 
+        String expected = saltBuckets == null ? 
                 "CLIENT PARALLEL 1-WAY RANGE SCAN OVER _IDX_T ['" + tenantId + "',-32768,'" + valuePrefix + "v2-1']" :
-                "CLIENT PARALLEL 3-WAY SKIP SCAN ON 3 KEYS OVER _IDX_T [0,'" + tenantId + "',-32768,'" + valuePrefix + "v2-1'] - [2,'" + tenantId + "',-32768,'" + valuePrefix + "v2-1']\n" + 
-                "CLIENT MERGE SORT", QueryUtil.getExplainPlan(rs));
+                "CLIENT PARALLEL 3-WAY RANGE SCAN OVER _IDX_T [0,'" + tenantId + "',-32768,'" + valuePrefix + "v2-1']\n" + 
+                "CLIENT MERGE SORT";
+        assertEquals(expected, QueryUtil.getExplainPlan(rs));
     }
     
     private Connection createTenantConnection(String tenantId) throws SQLException {

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseViewIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseViewIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseViewIT.java
index 0a5c197..e68c82e 100644
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseViewIT.java
+++ b/phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseViewIT.java
@@ -110,9 +110,10 @@ public class BaseViewIT extends BaseHBaseManagedTimeIT {
         assertEquals("bar", rs.getString(4));
         assertFalse(rs.next());
         rs = conn.createStatement().executeQuery("EXPLAIN " + query);
+
         assertEquals(saltBuckets == null
                 ? "CLIENT PARALLEL 1-WAY RANGE SCAN OVER _IDX_T [" + Short.MIN_VALUE + ",51]"
-                : "CLIENT PARALLEL " + saltBuckets + "-WAY SKIP SCAN ON 3 KEYS OVER _IDX_T [0," + Short.MIN_VALUE + ",51] - [2," + Short.MIN_VALUE + ",51]\nCLIENT MERGE SORT",
+                : "CLIENT PARALLEL " + saltBuckets + "-WAY RANGE SCAN OVER _IDX_T [0," + Short.MIN_VALUE + ",51]\nCLIENT MERGE SORT",
             QueryUtil.getExplainPlan(rs));
 
         conn.createStatement().execute("CREATE INDEX i2 on v(s)");
@@ -126,7 +127,7 @@ public class BaseViewIT extends BaseHBaseManagedTimeIT {
         rs = conn.createStatement().executeQuery("EXPLAIN " + query);
         assertEquals(saltBuckets == null
                 ? "CLIENT PARALLEL 1-WAY RANGE SCAN OVER _IDX_T [" + (Short.MIN_VALUE+1) + ",'foo']"
-                : "CLIENT PARALLEL " + saltBuckets + "-WAY SKIP SCAN ON 3 KEYS OVER _IDX_T [0," + (Short.MIN_VALUE+1) + ",'foo'] - [2," + (Short.MIN_VALUE+1) + ",'foo']\nCLIENT MERGE SORT",
+                : "CLIENT PARALLEL " + saltBuckets + "-WAY RANGE SCAN OVER _IDX_T [0," + (Short.MIN_VALUE+1) + ",'foo']\nCLIENT MERGE SORT",
             QueryUtil.getExplainPlan(rs));
     }
 

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/DefaultParallelIteratorsRegionSplitterIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/DefaultParallelIteratorsRegionSplitterIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/DefaultParallelIteratorsRegionSplitterIT.java
deleted file mode 100644
index e7a1044..0000000
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/DefaultParallelIteratorsRegionSplitterIT.java
+++ /dev/null
@@ -1,163 +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.
- */
-package org.apache.phoenix.end2end;
-
-import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;
-import static org.junit.Assert.assertEquals;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.PreparedStatement;
-import java.sql.SQLException;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-import java.util.Map;
-import java.util.Properties;
-
-import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.HRegionLocation;
-import org.apache.hadoop.hbase.client.Scan;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.phoenix.compile.SequenceManager;
-import org.apache.phoenix.compile.StatementContext;
-import org.apache.phoenix.iterate.DefaultParallelIteratorRegionSplitter;
-import org.apache.phoenix.jdbc.PhoenixConnection;
-import org.apache.phoenix.jdbc.PhoenixStatement;
-import org.apache.phoenix.parse.HintNode;
-import org.apache.phoenix.query.KeyRange;
-import org.apache.phoenix.query.QueryServices;
-import org.apache.phoenix.schema.PDataType;
-import org.apache.phoenix.schema.TableRef;
-import org.apache.phoenix.util.PhoenixRuntime;
-import org.apache.phoenix.util.PropertiesUtil;
-import org.apache.phoenix.util.ReadOnlyProps;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-
-import com.google.common.collect.Maps;
-
-
-/**
- * Tests for {@link DefaultParallelIteratorRegionSplitter}.
- * 
- * 
- * @since 0.1
- */
-
-@Category(ClientManagedTimeTest.class)
-public class DefaultParallelIteratorsRegionSplitterIT extends BaseParallelIteratorsRegionSplitterIT {
-    
-    @BeforeClass
-    @Shadower(classBeingShadowed = BaseClientManagedTimeIT.class)
-    public static void doSetup() throws Exception {
-        Map<String,String> props = Maps.newHashMapWithExpectedSize(3);
-        // Must update config before starting server
-        props.put(QueryServices.HISTOGRAM_BYTE_DEPTH_ATTRIB, Long.toString(20l));
-        setUpTestDriver(new ReadOnlyProps(props.entrySet().iterator()));
-    }
-    private static List<KeyRange> getSplits(Connection conn, long ts, final Scan scan)
-            throws SQLException {
-        TableRef tableRef = getTableRef(conn, ts);
-        PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
-        final List<HRegionLocation> regions =  pconn.getQueryServices().getAllTableRegions(tableRef.getTable().getPhysicalName().getBytes());
-        PhoenixStatement statement = new PhoenixStatement(pconn);
-        StatementContext context = new StatementContext(statement, null, scan, new SequenceManager(statement));
-        DefaultParallelIteratorRegionSplitter splitter = new DefaultParallelIteratorRegionSplitter(context, tableRef.getTable(), HintNode.EMPTY_HINT_NODE) {
-            @Override
-            protected List<HRegionLocation> getAllRegions() throws SQLException {
-                return DefaultParallelIteratorRegionSplitter.filterRegions(regions, scan.getStartRow(), scan.getStopRow());
-            }
-        };
-        List<KeyRange> keyRanges = splitter.getSplits();
-        Collections.sort(keyRanges, new Comparator<KeyRange>() {
-            @Override
-            public int compare(KeyRange o1, KeyRange o2) {
-                return Bytes.compareTo(o1.getLowerRange(),o2.getLowerRange());
-            }
-        });
-        return keyRanges;
-    }
-
-    @Test
-    public void testGetSplits() throws Exception {
-        long ts = nextTimestamp();
-        initTableValues(ts);
-        String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + ts + 2;
-        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
-        Connection conn = DriverManager.getConnection(url, props);
-        PreparedStatement stmt = conn.prepareStatement("ANALYZE STABLE");
-        stmt.execute();
-        Scan scan = new Scan();
-        
-        // number of regions > target query concurrency
-        conn.prepareStatement("SELECT COUNT(*) FROM STABLE").executeQuery();
-        scan.setStartRow(K1);
-        scan.setStopRow(K12);
-        List<KeyRange> keyRanges = getSplits(conn, ts, scan);
-        assertEquals("Unexpected number of splits: " + keyRanges, 7, keyRanges.size());
-        assertEquals(newKeyRange(KeyRange.UNBOUND, KMIN), keyRanges.get(0));
-        assertEquals(newKeyRange(KMIN, K3), keyRanges.get(1));
-        assertEquals(newKeyRange(K3, K4), keyRanges.get(2));
-        assertEquals(newKeyRange(K4, K9), keyRanges.get(3));
-        assertEquals(newKeyRange(K9, K11), keyRanges.get(4));
-        assertEquals(newKeyRange(K11, KMAX), keyRanges.get(5));
-        assertEquals(newKeyRange(KMAX,  KeyRange.UNBOUND), keyRanges.get(6));
-        
-        scan.setStartRow(K3);
-        scan.setStopRow(K6);
-        keyRanges = getSplits(conn, ts, scan);
-        assertEquals("Unexpected number of splits: " + keyRanges, 2, keyRanges.size());
-        // note that we get a single split from R2 due to small key space
-        assertEquals(newKeyRange(K3, K4), keyRanges.get(0));
-        assertEquals(newKeyRange(K4, K9), keyRanges.get(1));
-        
-        scan.setStartRow(K5);
-        scan.setStopRow(K6);
-        keyRanges = getSplits(conn, ts, scan);
-        assertEquals("Unexpected number of splits: " + keyRanges, 1, keyRanges.size());
-        assertEquals(newKeyRange(K4, K9), keyRanges.get(0));
-        conn.close();
-    }
-
-    @Test
-    public void testGetLowerUnboundSplits() throws Throwable {
-        long ts = nextTimestamp();
-        initTableValues(ts);
-        String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB;
-        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
-        Connection conn = DriverManager.getConnection(url, props);
-        PreparedStatement stmt = conn.prepareStatement("ANALYZE STABLE");
-        stmt.execute();
-        // The query would use all the split points here
-        conn.createStatement().executeQuery("SELECT * FROM STABLE");
-        conn.close();
-        Scan scan = new Scan();
-        scan.setStartRow(HConstants.EMPTY_START_ROW);
-        scan.setStopRow(K1);
-        List<KeyRange> keyRanges = getSplits(conn, ts, scan);
-        assertEquals("Unexpected number of splits: " + keyRanges, 2, keyRanges.size());
-        assertEquals(newKeyRange(KeyRange.UNBOUND, KMIN), keyRanges.get(0));
-        assertEquals(newKeyRange(KMIN, K3), keyRanges.get(1));
-    }
-
-    private static KeyRange newKeyRange(byte[] lowerRange, byte[] upperRange) {
-        return PDataType.CHAR.getKeyRange(lowerRange, true, upperRange, false);
-    }
-}

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/DeleteIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/DeleteIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/DeleteIT.java
index 4d41141..a2dd942 100644
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/DeleteIT.java
+++ b/phoenix-core/src/it/java/org/apache/phoenix/end2end/DeleteIT.java
@@ -235,6 +235,7 @@ public class DeleteIT extends BaseHBaseManagedTimeIT {
         testDeleteAllFromTableWithIndex(true, false);
     }
     
+    //@Ignore // TODO: JT to look at: SkipScanFilter:151 assert for skip_hint > current_key is failing 
     @Test
     public void testDeleteAllFromTableWithIndexNoAutoCommitNoSalting() throws SQLException {
         testDeleteAllFromTableWithIndex(false,false);

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/GuidePostsLifeCycleIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/GuidePostsLifeCycleIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/GuidePostsLifeCycleIT.java
deleted file mode 100644
index ba9f961..0000000
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/GuidePostsLifeCycleIT.java
+++ /dev/null
@@ -1,168 +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.
- */
-package org.apache.phoenix.end2end;
-
-import static org.apache.phoenix.util.TestUtil.STABLE_NAME;
-import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;
-import static org.junit.Assert.assertEquals;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.PreparedStatement;
-import java.sql.SQLException;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-import java.util.Map;
-import java.util.Properties;
-
-import org.apache.hadoop.hbase.HRegionLocation;
-import org.apache.hadoop.hbase.client.Scan;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.phoenix.compile.SequenceManager;
-import org.apache.phoenix.compile.StatementContext;
-import org.apache.phoenix.iterate.DefaultParallelIteratorRegionSplitter;
-import org.apache.phoenix.jdbc.PhoenixConnection;
-import org.apache.phoenix.jdbc.PhoenixStatement;
-import org.apache.phoenix.parse.HintNode;
-import org.apache.phoenix.query.KeyRange;
-import org.apache.phoenix.query.QueryServices;
-import org.apache.phoenix.schema.PTableKey;
-import org.apache.phoenix.schema.TableRef;
-import org.apache.phoenix.util.PhoenixRuntime;
-import org.apache.phoenix.util.PropertiesUtil;
-import org.apache.phoenix.util.ReadOnlyProps;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-
-import com.google.common.collect.Maps;
-
-@Category(HBaseManagedTimeTest.class)
-public class GuidePostsLifeCycleIT extends BaseHBaseManagedTimeIT {
-    
-    @BeforeClass
-    @Shadower(classBeingShadowed = BaseHBaseManagedTimeIT.class)
-    public static void doSetup() throws Exception {
-        Map<String,String> props = Maps.newHashMapWithExpectedSize(3);
-        // Must update config before starting server
-        props.put(QueryServices.HISTOGRAM_BYTE_DEPTH_ATTRIB, Long.toString(20l));
-        props.put(QueryServices.QUEUE_SIZE_ATTRIB, Integer.toString(20));
-        props.put(QueryServices.THREAD_POOL_SIZE_ATTRIB, Integer.toString(20));
-        setUpTestDriver(new ReadOnlyProps(props.entrySet().iterator()));
-    }
-    
-    protected static final byte[] KMIN  = new byte[] {'!'};
-    protected static final byte[] KMIN2  = new byte[] {'.'};
-    protected static final byte[] K1  = new byte[] {'a'};
-    protected static final byte[] K3  = new byte[] {'c'};
-    protected static final byte[] K4  = new byte[] {'d'};
-    protected static final byte[] K5  = new byte[] {'e'};
-    protected static final byte[] K6  = new byte[] {'f'};
-    protected static final byte[] K9  = new byte[] {'i'};
-    protected static final byte[] K11 = new byte[] {'k'};
-    protected static final byte[] K12 = new byte[] {'l'};
-    protected static final byte[] KMAX  = new byte[] {'~'};
-    protected static final byte[] KMAX2  = new byte[] {'z'};
-    protected static final byte[] KR = new byte[] { 'r' };
-    protected static final byte[] KP = new byte[] { 'p' };
-
-    private static List<KeyRange> getSplits(Connection conn, final Scan scan) throws SQLException {
-        TableRef tableRef = getTableRef(conn);
-        PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
-        final List<HRegionLocation> regions = pconn.getQueryServices().getAllTableRegions(
-                tableRef.getTable().getPhysicalName().getBytes());
-        PhoenixStatement statement = new PhoenixStatement(pconn);
-        StatementContext context = new StatementContext(statement, null, scan, new SequenceManager(statement));
-        DefaultParallelIteratorRegionSplitter splitter = new DefaultParallelIteratorRegionSplitter(context, tableRef.getTable(),
-                HintNode.EMPTY_HINT_NODE) {
-            @Override
-            protected List<HRegionLocation> getAllRegions() throws SQLException {
-                return DefaultParallelIteratorRegionSplitter.filterRegions(regions, scan.getStartRow(),
-                        scan.getStopRow());
-            }
-        };
-        List<KeyRange> keyRanges = splitter.getSplits();
-        Collections.sort(keyRanges, new Comparator<KeyRange>() {
-            @Override
-            public int compare(KeyRange o1, KeyRange o2) {
-                return Bytes.compareTo(o1.getLowerRange(), o2.getLowerRange());
-            }
-        });
-        return keyRanges;
-    }
-
-    // This test ensures that as we keep adding new records the splits gets updated
-    @Test
-    public void testGuidePostsLifeCycle() throws Exception {
-        byte[][] splits = new byte[][] { K3, K9, KR };
-        ensureTableCreated(getUrl(), STABLE_NAME, splits);
-        String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB;
-        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
-        Connection conn = DriverManager.getConnection(url, props);
-        PreparedStatement stmt = conn.prepareStatement("ANALYZE STABLE");
-        stmt.execute();
-        Scan scan = new Scan();
-        List<KeyRange> keyRanges = getSplits(conn, scan);
-        assertEquals(4, keyRanges.size());
-        upsert(new byte[][] { KMIN, K4, K11 });
-        stmt = conn.prepareStatement("ANALYZE STABLE");
-        stmt.execute();
-        conn.prepareStatement("SELECT COUNT(*) FROM STABLE").executeQuery(); 
-        keyRanges = getSplits(conn, scan);
-        assertEquals(7, keyRanges.size());
-        upsert(new byte[][] { KMIN2, K5, K12 });
-        stmt = conn.prepareStatement("ANALYZE STABLE");
-        stmt.execute();
-        conn.prepareStatement("SELECT COUNT(*) FROM STABLE").executeQuery();
-        keyRanges = getSplits(conn, scan);
-        assertEquals(10, keyRanges.size());
-        upsert(new byte[][] { K1, K6, KP });
-        stmt = conn.prepareStatement("ANALYZE STABLE");
-        stmt.execute();
-        conn.prepareStatement("SELECT COUNT(*) FROM STABLE").executeQuery();
-        keyRanges = getSplits(conn, scan);
-        assertEquals(13, keyRanges.size());
-        conn.close();
-    }
-
-    protected void upsert( byte[][] val) throws Exception {
-        String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB;
-        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
-        Connection conn = DriverManager.getConnection(url, props);
-        PreparedStatement stmt = conn.prepareStatement("upsert into " + STABLE_NAME + " VALUES (?, ?)");
-        stmt.setString(1, new String(val[0]));
-        stmt.setInt(2, 1);
-        stmt.execute();
-        stmt.setString(1, new String(val[1]));
-        stmt.setInt(2, 2);
-        stmt.execute();
-        stmt.setString(1, new String(val[2]));
-        stmt.setInt(2, 3);
-        stmt.execute();
-        conn.commit();
-        conn.close();
-    }
-
-    protected static TableRef getTableRef(Connection conn) throws SQLException {
-        PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
-        TableRef table = new TableRef(null, pconn.getMetaDataCache().getTable(
-                new PTableKey(pconn.getTenantId(), STABLE_NAME)), System.currentTimeMillis(), false);
-        return table;
-    }
-}

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/InListIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/InListIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/InListIT.java
index dc60b69..920891b 100644
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/InListIT.java
+++ b/phoenix-core/src/it/java/org/apache/phoenix/end2end/InListIT.java
@@ -165,10 +165,7 @@ public class InListIT extends BaseHBaseManagedTimeIT {
     private static final List<PDataType> INTEGER_TYPES = Arrays.asList(PDataType.INTEGER, PDataType.LONG);
     private static final List<Integer> SALT_BUCKET_NUMBERS = Arrays.asList(0, 4);
 
-    // we should be including the RANGE_SCAN hint here, but a bug with ParallelIterators causes tests to fail
-    // see the relevant JIRA here: https://issues.apache.org/jira/browse/PHOENIX-1251
-    private static final List<String> HINTS = Arrays.asList("", "/*+ SKIP_SCAN */");
-//    private static final List<String> HINTS = Arrays.asList("", "/*+ SKIP_SCAN */", "/*+ RANGE_SCAN */");
+    private static final List<String> HINTS = Arrays.asList("", "/*+ SKIP_SCAN */", "/*+ RANGE_SCAN */");
     
     /**
      * Tests the given where clause against the given upserts by comparing against the list of

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/KeyOnlyIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/KeyOnlyIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/KeyOnlyIT.java
index ed081d9..4dee5d8 100644
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/KeyOnlyIT.java
+++ b/phoenix-core/src/it/java/org/apache/phoenix/end2end/KeyOnlyIT.java
@@ -19,35 +19,22 @@ package org.apache.phoenix.end2end;
 
 import static org.apache.phoenix.util.TestUtil.KEYONLY_NAME;
 import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;
+import static org.apache.phoenix.util.TestUtil.analyzeTable;
+import static org.apache.phoenix.util.TestUtil.getAllSplits;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import java.io.IOException;
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 
-import org.apache.hadoop.hbase.HRegionLocation;
-import org.apache.hadoop.hbase.client.Scan;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.phoenix.compile.SequenceManager;
-import org.apache.phoenix.compile.StatementContext;
-import org.apache.phoenix.iterate.DefaultParallelIteratorRegionSplitter;
-import org.apache.phoenix.jdbc.PhoenixConnection;
-import org.apache.phoenix.jdbc.PhoenixStatement;
-import org.apache.phoenix.parse.HintNode;
 import org.apache.phoenix.query.KeyRange;
 import org.apache.phoenix.query.QueryServices;
-import org.apache.phoenix.schema.PTableKey;
-import org.apache.phoenix.schema.TableRef;
 import org.apache.phoenix.util.PhoenixRuntime;
 import org.apache.phoenix.util.PropertiesUtil;
 import org.apache.phoenix.util.ReadOnlyProps;
@@ -88,8 +75,7 @@ public class KeyOnlyIT extends BaseClientManagedTimeIT {
         assertEquals(3, rs.getInt(1));
         assertEquals(4, rs.getInt(2));
         assertFalse(rs.next());
-        Scan scan = new Scan();
-        List<KeyRange> splits = getSplits(conn5, ts, scan);
+        List<KeyRange> splits = getAllSplits(conn5, "KEYONLY");
         assertEquals(3, splits.size());
         conn5.close();
         
@@ -180,41 +166,4 @@ public class KeyOnlyIT extends BaseClientManagedTimeIT {
         conn.commit();
         conn.close();
     }
-
-    private void analyzeTable(Connection conn, String tableName) throws IOException, SQLException {
-        String query = "ANALYZE " + tableName;
-        conn.createStatement().execute(query);
-    }
-    
-    private static TableRef getTableRef(Connection conn, long ts) throws SQLException {
-        PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
-        TableRef table = new TableRef(null, pconn.getMetaDataCache().getTable(
-                new PTableKey(pconn.getTenantId(), KEYONLY_NAME)), ts, false);
-        return table;
-    }
-
-    private static List<KeyRange> getSplits(Connection conn, long ts, final Scan scan) throws SQLException {
-        TableRef tableRef = getTableRef(conn, ts);
-        PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
-        final List<HRegionLocation> regions = pconn.getQueryServices().getAllTableRegions(
-                tableRef.getTable().getPhysicalName().getBytes());
-        PhoenixStatement statement = new PhoenixStatement(pconn);
-        StatementContext context = new StatementContext(statement, null, scan, new SequenceManager(statement));
-        DefaultParallelIteratorRegionSplitter splitter = new DefaultParallelIteratorRegionSplitter(context, tableRef.getTable(),
-                HintNode.EMPTY_HINT_NODE) {
-            @Override
-            protected List<HRegionLocation> getAllRegions() throws SQLException {
-                return DefaultParallelIteratorRegionSplitter.filterRegions(regions, scan.getStartRow(),
-                        scan.getStopRow());
-            }
-        };
-        List<KeyRange> keyRanges = splitter.getSplits();
-        Collections.sort(keyRanges, new Comparator<KeyRange>() {
-            @Override
-            public int compare(KeyRange o1, KeyRange o2) {
-                return Bytes.compareTo(o1.getLowerRange(), o2.getLowerRange());
-            }
-        });
-        return keyRanges;
-    }
 }

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/MultiCfQueryExecIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/MultiCfQueryExecIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/MultiCfQueryExecIT.java
index fbd1cf6..9f313ae 100644
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/MultiCfQueryExecIT.java
+++ b/phoenix-core/src/it/java/org/apache/phoenix/end2end/MultiCfQueryExecIT.java
@@ -18,36 +18,23 @@
 package org.apache.phoenix.end2end;
 
 import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;
+import static org.apache.phoenix.util.TestUtil.analyzeTable;
+import static org.apache.phoenix.util.TestUtil.getAllSplits;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import java.io.IOException;
 import java.math.BigDecimal;
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 
-import org.apache.hadoop.hbase.HRegionLocation;
-import org.apache.hadoop.hbase.client.Scan;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.phoenix.compile.SequenceManager;
-import org.apache.phoenix.compile.StatementContext;
-import org.apache.phoenix.iterate.DefaultParallelIteratorRegionSplitter;
-import org.apache.phoenix.jdbc.PhoenixConnection;
-import org.apache.phoenix.jdbc.PhoenixStatement;
-import org.apache.phoenix.parse.HintNode;
 import org.apache.phoenix.query.KeyRange;
 import org.apache.phoenix.query.QueryServices;
-import org.apache.phoenix.schema.PTableKey;
-import org.apache.phoenix.schema.TableRef;
 import org.apache.phoenix.util.PhoenixRuntime;
 import org.apache.phoenix.util.PropertiesUtil;
 import org.apache.phoenix.util.ReadOnlyProps;
@@ -106,11 +93,6 @@ public class MultiCfQueryExecIT extends BaseClientManagedTimeIT {
         stmt.execute();
     }
 
-    private void analyzeTable(Connection conn, String tableName) throws IOException, SQLException {
-        String query = "ANALYZE " + tableName;
-        conn.createStatement().execute(query);
-    }
-
     @Test
     public void testConstantCount() throws Exception {
         long ts = nextTimestamp();
@@ -174,14 +156,14 @@ public class MultiCfQueryExecIT extends BaseClientManagedTimeIT {
     }
     
     @Test
-    public void testCFToDisambiguate1() throws Exception {
+    public void testGuidePostsForMultiCFs() throws Exception {
         long ts = nextTimestamp();
+        initTableValues(ts);
         String query = "SELECT F.RESPONSE_TIME,G.RESPONSE_TIME from multi_cf where F.RESPONSE_TIME = 2222";
         String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + (ts + 5); // Run query at timestamp 5
         Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
         Connection conn = DriverManager.getConnection(url, props);
         try {
-            initTableValues(ts);
             analyzeTable(conn, "MULTI_CF");
             PreparedStatement statement = conn.prepareStatement(query);
             ResultSet rs = statement.executeQuery();
@@ -189,16 +171,13 @@ public class MultiCfQueryExecIT extends BaseClientManagedTimeIT {
             assertEquals(2222, rs.getLong(1));
             assertEquals(22222, rs.getLong(2));
             assertFalse(rs.next());
-            Scan scan = new Scan();
-            // See if F has splits in it
-            scan.addFamily(Bytes.toBytes("E"));
-            List<KeyRange> splits = getSplits(conn, ts, scan);
+            // Use E column family. Since the column family with the empty key value (the first one, A)
+            // is always added to the scan, we never really use other guideposts (but this may change).
+            List<KeyRange> splits = getAllSplits(conn, "MULTI_CF", "e.cpu_utilization IS NOT NULL");
+            // Since the E column family is not populated, it won't have as many splits
             assertEquals(3, splits.size());
-            scan = new Scan();
-            // See if G has splits in it
-            scan.addFamily(Bytes.toBytes("G"));
-            splits = getSplits(conn, ts, scan);
-            // We get splits from different CF
+            // Same as above for G column family.
+            splits = getAllSplits(conn, "MULTI_CF", "g.response_time IS NOT NULL");
             assertEquals(3, splits.size());
         } finally {
             conn.close();
@@ -283,36 +262,4 @@ public class MultiCfQueryExecIT extends BaseClientManagedTimeIT {
             conn.close();
         }
     }
-
-    private static TableRef getTableRef(Connection conn, long ts) throws SQLException {
-        PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
-        TableRef table = new TableRef(null, pconn.getMetaDataCache().getTable(
-                new PTableKey(pconn.getTenantId(), "MULTI_CF")), ts, false);
-        return table;
-    }
-
-    private static List<KeyRange> getSplits(Connection conn, long ts, final Scan scan) throws SQLException {
-        TableRef tableRef = getTableRef(conn, ts);
-        PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
-        final List<HRegionLocation> regions = pconn.getQueryServices().getAllTableRegions(
-                tableRef.getTable().getPhysicalName().getBytes());
-        PhoenixStatement statement = new PhoenixStatement(pconn);
-        StatementContext context = new StatementContext(statement, null, scan, new SequenceManager(statement));
-        DefaultParallelIteratorRegionSplitter splitter = new DefaultParallelIteratorRegionSplitter(context, tableRef.getTable(),
-                HintNode.EMPTY_HINT_NODE) {
-            @Override
-            protected List<HRegionLocation> getAllRegions() throws SQLException {
-                return DefaultParallelIteratorRegionSplitter.filterRegions(regions, scan.getStartRow(),
-                        scan.getStopRow());
-            }
-        };
-        List<KeyRange> keyRanges = splitter.getSplits();
-        Collections.sort(keyRanges, new Comparator<KeyRange>() {
-            @Override
-            public int compare(KeyRange o1, KeyRange o2) {
-                return Bytes.compareTo(o1.getLowerRange(), o2.getLowerRange());
-            }
-        });
-        return keyRanges;
-    }
 }

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/ParallelIteratorsIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/ParallelIteratorsIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/ParallelIteratorsIT.java
new file mode 100644
index 0000000..97ca828
--- /dev/null
+++ b/phoenix-core/src/it/java/org/apache/phoenix/end2end/ParallelIteratorsIT.java
@@ -0,0 +1,172 @@
+/*
+ * 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.
+ */
+package org.apache.phoenix.end2end;
+
+import static org.apache.phoenix.util.TestUtil.STABLE_NAME;
+import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;
+import static org.apache.phoenix.util.TestUtil.getAllSplits;
+import static org.apache.phoenix.util.TestUtil.getSplits;
+import static org.junit.Assert.assertEquals;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.phoenix.jdbc.PhoenixPreparedStatement;
+import org.apache.phoenix.query.KeyRange;
+import org.apache.phoenix.query.QueryServices;
+import org.apache.phoenix.schema.PDataType;
+import org.apache.phoenix.util.ReadOnlyProps;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import com.google.common.collect.Maps;
+
+@Category(HBaseManagedTimeTest.class)
+public class ParallelIteratorsIT extends BaseHBaseManagedTimeIT {
+
+    protected static final byte[] KMIN  = new byte[] {'!'};
+    protected static final byte[] KMIN2  = new byte[] {'.'};
+    protected static final byte[] K1  = new byte[] {'a'};
+    protected static final byte[] K3  = new byte[] {'c'};
+    protected static final byte[] K4  = new byte[] {'d'};
+    protected static final byte[] K5  = new byte[] {'e'};
+    protected static final byte[] K6  = new byte[] {'f'};
+    protected static final byte[] K9  = new byte[] {'i'};
+    protected static final byte[] K11 = new byte[] {'k'};
+    protected static final byte[] K12 = new byte[] {'l'};
+    protected static final byte[] KMAX  = new byte[] {'~'};
+    protected static final byte[] KMAX2  = new byte[] {'z'};
+    protected static final byte[] KR = new byte[] { 'r' };
+    protected static final byte[] KP = new byte[] { 'p' };
+    
+    @BeforeClass
+    @Shadower(classBeingShadowed = BaseClientManagedTimeIT.class)
+    public static void doSetup() throws Exception {
+        Map<String,String> props = Maps.newHashMapWithExpectedSize(3);
+        // Must update config before starting server
+        props.put(QueryServices.HISTOGRAM_BYTE_DEPTH_ATTRIB, Long.toString(20l));
+        props.put(QueryServices.DROP_METADATA_ATTRIB, Boolean.toString(true));
+        setUpTestDriver(new ReadOnlyProps(props.entrySet().iterator()));
+    }
+
+    @Test
+    public void testGetSplits() throws Exception {
+        Connection conn = DriverManager.getConnection(getUrl(), TEST_PROPERTIES);
+        initTableValues(conn);
+        
+        PreparedStatement stmt = conn.prepareStatement("ANALYZE STABLE");
+        stmt.execute();
+        
+        // number of regions > target query concurrency
+        PhoenixPreparedStatement pstmt;
+        List<KeyRange> keyRanges;
+        
+        pstmt = conn.prepareStatement("SELECT COUNT(*) FROM STABLE").unwrap(PhoenixPreparedStatement.class);
+        pstmt.execute();
+        keyRanges = getAllSplits(conn);
+        assertEquals("Unexpected number of splits: " + keyRanges, 7, keyRanges.size());
+        assertEquals(newKeyRange(KeyRange.UNBOUND, KMIN), keyRanges.get(0));
+        assertEquals(newKeyRange(KMIN, K3), keyRanges.get(1));
+        assertEquals(newKeyRange(K3, K4), keyRanges.get(2));
+        assertEquals(newKeyRange(K4, K9), keyRanges.get(3));
+        assertEquals(newKeyRange(K9, K11), keyRanges.get(4));
+        assertEquals(newKeyRange(K11, KMAX), keyRanges.get(5));
+        assertEquals(newKeyRange(KMAX,  KeyRange.UNBOUND), keyRanges.get(6));
+        
+        keyRanges = getSplits(conn, K3, K6);
+        assertEquals("Unexpected number of splits: " + keyRanges, 2, keyRanges.size());
+        assertEquals(newKeyRange(K3, K4), keyRanges.get(0));
+        assertEquals(newKeyRange(K4, K6), keyRanges.get(1));
+        
+        keyRanges = getSplits(conn, K5, K6);
+        assertEquals("Unexpected number of splits: " + keyRanges, 1, keyRanges.size());
+        assertEquals(newKeyRange(K5, K6), keyRanges.get(0));
+        
+        keyRanges = getSplits(conn, null, K1);
+        assertEquals("Unexpected number of splits: " + keyRanges, 2, keyRanges.size());
+        assertEquals(newKeyRange(KeyRange.UNBOUND, KMIN), keyRanges.get(0));
+        assertEquals(newKeyRange(KMIN, K1), keyRanges.get(1));
+        conn.close();
+    }
+
+    @Test
+    public void testGuidePostsLifeCycle() throws Exception {
+        Connection conn = DriverManager.getConnection(getUrl(), TEST_PROPERTIES);
+        byte[][] splits = new byte[][] { K3, K9, KR };
+        ensureTableCreated(getUrl(), STABLE_NAME, splits);
+
+        PreparedStatement stmt = conn.prepareStatement("ANALYZE STABLE");
+        stmt.execute();
+        List<KeyRange> keyRanges = getAllSplits(conn);
+        assertEquals(4, keyRanges.size());
+        upsert(conn, new byte[][] { KMIN, K4, K11 });
+        stmt = conn.prepareStatement("ANALYZE STABLE");
+        stmt.execute();
+        conn.prepareStatement("SELECT COUNT(*) FROM STABLE").executeQuery(); 
+        keyRanges = getAllSplits(conn);
+        assertEquals(7, keyRanges.size());
+        upsert(conn, new byte[][] { KMIN2, K5, K12 });
+        stmt = conn.prepareStatement("ANALYZE STABLE");
+        stmt.execute();
+        conn.prepareStatement("SELECT COUNT(*) FROM STABLE").executeQuery();
+        keyRanges = getAllSplits(conn);
+        assertEquals(10, keyRanges.size());
+        upsert(conn, new byte[][] { K1, K6, KP });
+        stmt = conn.prepareStatement("ANALYZE STABLE");
+        stmt.execute();
+        conn.prepareStatement("SELECT COUNT(*) FROM STABLE").executeQuery();
+        keyRanges = getAllSplits(conn);
+        assertEquals(13, keyRanges.size());
+        conn.close();
+    }
+
+    private static void upsert(Connection conn, byte[][] val) throws Exception {
+        PreparedStatement stmt = conn.prepareStatement("upsert into " + STABLE_NAME + " VALUES (?, ?)");
+        stmt.setString(1, new String(val[0]));
+        stmt.setInt(2, 1);
+        stmt.execute();
+        stmt.setString(1, new String(val[1]));
+        stmt.setInt(2, 2);
+        stmt.execute();
+        stmt.setString(1, new String(val[2]));
+        stmt.setInt(2, 3);
+        stmt.execute();
+        conn.commit();
+    }
+
+    private static KeyRange newKeyRange(byte[] lowerRange, byte[] upperRange) {
+        return PDataType.CHAR.getKeyRange(lowerRange, true, upperRange, false);
+    }
+    
+    private static void initTableValues(Connection conn) throws Exception {
+        byte[][] splits = new byte[][] {K3,K4,K9,K11};
+        ensureTableCreated(getUrl(),STABLE_NAME,splits);
+        PreparedStatement stmt = conn.prepareStatement("upsert into " + STABLE_NAME + " VALUES (?, ?)");
+        stmt.setString(1, new String(KMIN));
+        stmt.setInt(2, 1);
+        stmt.execute();
+        stmt.setString(1, new String(KMAX));
+        stmt.setInt(2, 2);
+        stmt.execute();
+        conn.commit();
+    }
+}

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/QueryPlanIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/QueryPlanIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/QueryPlanIT.java
deleted file mode 100644
index 320ba72..0000000
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/QueryPlanIT.java
+++ /dev/null
@@ -1,202 +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.
- */
-package org.apache.phoenix.end2end;
-
-import static org.apache.phoenix.util.TestUtil.ATABLE_NAME;
-import static org.apache.phoenix.util.TestUtil.PTSDB3_NAME;
-import static org.apache.phoenix.util.TestUtil.PTSDB_NAME;
-import static org.junit.Assert.assertEquals;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.ResultSet;
-import java.sql.Statement;
-import java.util.Map;
-import java.util.Properties;
-
-import org.apache.phoenix.query.QueryServices;
-import org.apache.phoenix.util.QueryUtil;
-import org.apache.phoenix.util.ReadOnlyProps;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-
-import com.google.common.collect.Maps;
-
-@Category(HBaseManagedTimeTest.class)
-public class QueryPlanIT extends BaseHBaseManagedTimeIT {
-    
-    @BeforeClass
-    @Shadower(classBeingShadowed = BaseHBaseManagedTimeIT.class)
-    public static void doSetup() throws Exception {
-        Map<String,String> props = Maps.newHashMapWithExpectedSize(1);
-        // Override date format so we don't have a bunch of zeros
-        props.put(QueryServices.DATE_FORMAT_ATTRIB, "yyyy-MM-dd");
-        // Must update config before starting server
-        setUpTestDriver(new ReadOnlyProps(props.entrySet().iterator()));
-    }
-    
-    @Test
-    public void testExplainPlan() throws Exception {
-        ensureTableCreated(getUrl(), ATABLE_NAME, getDefaultSplits(getOrganizationId()));
-        ensureTableCreated(getUrl(), PTSDB_NAME, getDefaultSplits(getOrganizationId()));
-        ensureTableCreated(getUrl(), PTSDB3_NAME, getDefaultSplits(getOrganizationId()));
-        String[] queryPlans = new String[] {
-
-                "SELECT host FROM PTSDB3 WHERE host IN ('na1', 'na2','na3')",
-                "CLIENT PARALLEL 1-WAY SKIP SCAN ON 3 KEYS OVER PTSDB3 [~'na3'] - [~'na1']\n" + 
-                "    SERVER FILTER BY FIRST KEY ONLY",
-
-                "SELECT host FROM PTSDB WHERE inst IS NULL AND host IS NOT NULL AND date >= to_date('2013-01-01')",
-                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER PTSDB [null,not null]\n" + 
-                "    SERVER FILTER BY FIRST KEY ONLY AND DATE >= '2013-01-01 00:00:00.000'",
-
-                // Since inst IS NOT NULL is unbounded, we won't continue optimizing
-                "SELECT host FROM PTSDB WHERE inst IS NOT NULL AND host IS NULL AND date >= to_date('2013-01-01')",
-                "CLIENT PARALLEL 4-WAY RANGE SCAN OVER PTSDB [not null]\n" + 
-                "    SERVER FILTER BY FIRST KEY ONLY AND (HOST IS NULL AND DATE >= '2013-01-01 00:00:00.000')",
-
-                "SELECT a_string,b_string FROM atable WHERE organization_id = '000000000000001' AND entity_id = '000000000000002' AND x_integer = 2 AND a_integer < 5 ",
-                "CLIENT PARALLEL 1-WAY POINT LOOKUP ON 1 KEY OVER ATABLE\n" + 
-                "    SERVER FILTER BY (X_INTEGER = 2 AND A_INTEGER < 5)",
-
-                "SELECT a_string,b_string FROM atable WHERE organization_id = '000000000000001' AND entity_id > '000000000000002' AND entity_id < '000000000000008' AND (organization_id,entity_id) >= ('000000000000001','000000000000005') ",
-                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER ATABLE ['000000000000001','000000000000005'] - ['000000000000001','000000000000008']",
-
-                "SELECT a_string,b_string FROM atable WHERE organization_id = '000000000000001' AND entity_id > '000000000000002' AND entity_id < '000000000000008' AND (organization_id,entity_id) <= ('000000000000001','000000000000005') ",
-                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER ATABLE ['000000000000001','000000000000003'] - ['000000000000001','000000000000006']",
-
-                "SELECT a_string,b_string FROM atable WHERE organization_id > '000000000000001' AND entity_id > '000000000000002' AND entity_id < '000000000000008' AND (organization_id,entity_id) >= ('000000000000003','000000000000005') ",
-                "CLIENT PARALLEL 4-WAY RANGE SCAN OVER ATABLE ['000000000000003','000000000000005'] - [*]\n" + 
-                "    SERVER FILTER BY (ENTITY_ID > '000000000000002' AND ENTITY_ID < '000000000000008')",
-
-                "SELECT a_string,b_string FROM atable WHERE organization_id = '000000000000001' AND entity_id >= '000000000000002' AND entity_id < '000000000000008' AND (organization_id,entity_id) >= ('000000000000000','000000000000005') ",
-                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER ATABLE ['000000000000001','000000000000002'] - ['000000000000001','000000000000008']",
-
-                "SELECT * FROM atable",
-                "CLIENT PARALLEL 4-WAY FULL SCAN OVER ATABLE",
-
-                "SELECT inst,host FROM PTSDB WHERE REGEXP_SUBSTR(INST, '[^-]+', 1) IN ('na1', 'na2','na3')", // REVIEW: should this use skip scan given the regexpr_substr
-                "CLIENT PARALLEL 1-WAY SKIP SCAN ON 3 RANGES OVER PTSDB ['na1'] - ['na4']\n" + 
-                "    SERVER FILTER BY FIRST KEY ONLY AND REGEXP_SUBSTR(INST, '[^-]+', 1) IN ('na1','na2','na3')",
-
-                "SELECT inst,host FROM PTSDB WHERE inst IN ('na1', 'na2','na3') AND host IN ('a','b') AND date >= to_date('2013-01-01') AND date < to_date('2013-01-02')",
-                "CLIENT PARALLEL 1-WAY SKIP SCAN ON 6 RANGES OVER PTSDB ['na1','a','2013-01-01'] - ['na3','b','2013-01-02']\n" + 
-                "    SERVER FILTER BY FIRST KEY ONLY",
-
-                "SELECT inst,host FROM PTSDB WHERE inst LIKE 'na%' AND host IN ('a','b') AND date >= to_date('2013-01-01') AND date < to_date('2013-01-02')",
-                "CLIENT PARALLEL 1-WAY SKIP SCAN ON 2 RANGES OVER PTSDB ['na','a','2013-01-01'] - ['nb','b','2013-01-02']\n" + 
-                "    SERVER FILTER BY FIRST KEY ONLY",
-
-                "SELECT count(*) FROM atable",
-                "CLIENT PARALLEL 4-WAY FULL SCAN OVER ATABLE\n" + 
-                "    SERVER FILTER BY FIRST KEY ONLY\n" + 
-                "    SERVER AGGREGATE INTO SINGLE ROW",
-
-                "SELECT count(*) FROM atable WHERE organization_id='000000000000001' AND SUBSTR(entity_id,1,3) > '002' AND SUBSTR(entity_id,1,3) <= '003'",
-                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER ATABLE ['000000000000001','003            '] - ['000000000000001','004            ']\n" + 
-                "    SERVER FILTER BY FIRST KEY ONLY\n" + 
-                "    SERVER AGGREGATE INTO SINGLE ROW",
-
-                "SELECT a_string FROM atable WHERE organization_id='000000000000001' AND SUBSTR(entity_id,1,3) > '002' AND SUBSTR(entity_id,1,3) <= '003'",
-                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER ATABLE ['000000000000001','003            '] - ['000000000000001','004            ']",
-
-                "SELECT count(1) FROM atable GROUP BY a_string",
-                "CLIENT PARALLEL 4-WAY FULL SCAN OVER ATABLE\n" +
-                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [A_STRING]\n" +
-                "CLIENT MERGE SORT",
-
-                "SELECT count(1) FROM atable GROUP BY a_string LIMIT 5",
-                "CLIENT PARALLEL 4-WAY FULL SCAN OVER ATABLE\n" + 
-                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [A_STRING]\n" + 
-                "CLIENT MERGE SORT\n" + 
-                "CLIENT 5 ROW LIMIT",
-
-                "SELECT a_string FROM atable ORDER BY a_string DESC LIMIT 3",
-                "CLIENT PARALLEL 4-WAY FULL SCAN OVER ATABLE\n" + 
-                "    SERVER TOP 3 ROWS SORTED BY [A_STRING DESC]\n" + 
-                "CLIENT MERGE SORT",
-
-                "SELECT count(1) FROM atable GROUP BY a_string,b_string HAVING max(a_string) = 'a'",
-                "CLIENT PARALLEL 4-WAY FULL SCAN OVER ATABLE\n" +
-                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [A_STRING, B_STRING]\n" +
-                "CLIENT MERGE SORT\n" +
-                "CLIENT FILTER BY MAX(A_STRING) = 'a'",
-
-                "SELECT count(1) FROM atable WHERE a_integer = 1 GROUP BY ROUND(a_time,'HOUR',2),entity_id HAVING max(a_string) = 'a'",
-                "CLIENT PARALLEL 4-WAY FULL SCAN OVER ATABLE\n" +
-                "    SERVER FILTER BY A_INTEGER = 1\n" +
-                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [ENTITY_ID, ROUND(A_TIME)]\n" +
-                "CLIENT MERGE SORT\n" +
-                "CLIENT FILTER BY MAX(A_STRING) = 'a'",
-
-                "SELECT count(1) FROM atable WHERE a_integer = 1 GROUP BY a_string,b_string HAVING max(a_string) = 'a' ORDER BY b_string",
-                "CLIENT PARALLEL 4-WAY FULL SCAN OVER ATABLE\n" +
-                "    SERVER FILTER BY A_INTEGER = 1\n" +
-                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [A_STRING, B_STRING]\n" +
-                "CLIENT MERGE SORT\n" +
-                "CLIENT FILTER BY MAX(A_STRING) = 'a'\n" +
-                "CLIENT SORTED BY [B_STRING]",
-
-                "SELECT a_string,b_string FROM atable WHERE organization_id = '000000000000001' AND entity_id != '000000000000002' AND x_integer = 2 AND a_integer < 5 LIMIT 10",
-                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER ATABLE ['000000000000001']\n" + 
-                "    SERVER FILTER BY (ENTITY_ID != '000000000000002' AND X_INTEGER = 2 AND A_INTEGER < 5)\n" + 
-                "    SERVER 10 ROW LIMIT\n" + 
-                "CLIENT 10 ROW LIMIT",
-
-                "SELECT a_string,b_string FROM atable WHERE organization_id = '000000000000001' ORDER BY a_string ASC NULLS FIRST LIMIT 10",
-                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER ATABLE ['000000000000001']\n" + 
-                "    SERVER TOP 10 ROWS SORTED BY [A_STRING]\n" + 
-                "CLIENT MERGE SORT",
-
-                "SELECT max(a_integer) FROM atable WHERE organization_id = '000000000000001' GROUP BY organization_id,entity_id,ROUND(a_date,'HOUR') ORDER BY entity_id NULLS LAST LIMIT 10",
-                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER ATABLE ['000000000000001']\n" + 
-                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [ORGANIZATION_ID, ENTITY_ID, ROUND(A_DATE)]\n" + 
-                "CLIENT MERGE SORT\n" + 
-                "CLIENT TOP 10 ROWS SORTED BY [ENTITY_ID NULLS LAST]",
-
-                "SELECT a_string,b_string FROM atable WHERE organization_id = '000000000000001' ORDER BY a_string DESC NULLS LAST LIMIT 10",
-                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER ATABLE ['000000000000001']\n" + 
-                "    SERVER TOP 10 ROWS SORTED BY [A_STRING DESC NULLS LAST]\n" + 
-                "CLIENT MERGE SORT",
-
-                "SELECT a_string,b_string FROM atable WHERE organization_id IN ('000000000000001', '000000000000005')",
-                "CLIENT PARALLEL 1-WAY SKIP SCAN ON 2 KEYS OVER ATABLE ['000000000000001'] - ['000000000000005']",
-
-                "SELECT a_string,b_string FROM atable WHERE organization_id IN ('00D000000000001', '00D000000000005') AND entity_id IN('00E00000000000X','00E00000000000Z')",
-                "CLIENT PARALLEL 1-WAY POINT LOOKUP ON 4 KEYS OVER ATABLE",
-        };
-        for (int i = 0; i < queryPlans.length; i+=2) {
-            String query = queryPlans[i];
-            String plan = queryPlans[i+1];
-            Properties props = new Properties();
-            Connection conn = DriverManager.getConnection(getUrl(), props);
-            try {
-                Statement statement = conn.createStatement();
-                ResultSet rs = statement.executeQuery("EXPLAIN " + query);
-                // TODO: figure out a way of verifying that query isn't run during explain execution
-                assertEquals(query, plan, QueryUtil.getExplainPlan(rs));
-            } catch (Exception e) {
-                throw new Exception(query + ": "+ e.getMessage(), e);
-            } finally {
-                conn.close();
-            }
-        }
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipRangeParallelIteratorRegionSplitterIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipRangeParallelIteratorRegionSplitterIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipRangeParallelIteratorRegionSplitterIT.java
index 28bc011..3d057ae 100644
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipRangeParallelIteratorRegionSplitterIT.java
+++ b/phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipRangeParallelIteratorRegionSplitterIT.java
@@ -22,12 +22,12 @@ import static org.junit.Assert.assertEquals;
 
 import java.sql.Connection;
 import java.sql.DriverManager;
+import java.sql.ParameterMetaData;
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
@@ -36,14 +36,23 @@ import org.apache.hadoop.hbase.HRegionLocation;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.phoenix.compile.ColumnResolver;
+import org.apache.phoenix.compile.ExplainPlan;
+import org.apache.phoenix.compile.GroupByCompiler.GroupBy;
+import org.apache.phoenix.compile.OrderByCompiler.OrderBy;
+import org.apache.phoenix.compile.QueryPlan;
+import org.apache.phoenix.compile.RowProjector;
 import org.apache.phoenix.compile.ScanRanges;
 import org.apache.phoenix.compile.SequenceManager;
 import org.apache.phoenix.compile.StatementContext;
 import org.apache.phoenix.filter.SkipScanFilter;
-import org.apache.phoenix.iterate.SkipRangeParallelIteratorRegionSplitter;
+import org.apache.phoenix.iterate.ParallelIterators;
+import org.apache.phoenix.iterate.ResultIterator;
+import org.apache.phoenix.iterate.SpoolingResultIterator;
 import org.apache.phoenix.jdbc.PhoenixConnection;
+import org.apache.phoenix.jdbc.PhoenixParameterMetaData;
 import org.apache.phoenix.jdbc.PhoenixStatement;
-import org.apache.phoenix.parse.HintNode;
+import org.apache.phoenix.parse.FilterableStatement;
+import org.apache.phoenix.parse.SelectStatement;
 import org.apache.phoenix.query.KeyRange;
 import org.apache.phoenix.schema.ColumnRef;
 import org.apache.phoenix.schema.PDataType;
@@ -58,6 +67,7 @@ import org.apache.phoenix.util.PropertiesUtil;
 import org.apache.phoenix.util.ReadOnlyProps;
 import org.apache.phoenix.util.ScanUtil;
 import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
@@ -71,6 +81,11 @@ import com.google.common.collect.Maps;
 
 /**
  * Tests for {@link SkipRangeParallelIteratorRegionSplitter}.
+ * TODO: Change this to be a connectionless test (ParallelIteratorsTest) with the ability to specify split points.
+ * -- On Connectionless, remember the split points of a table and use those when it says
+ * -- getRegionLocations
+ * -- Then drive this from a query plus getting the query plan and confirming the ranges
+ * -- from the plan.
  */
 @RunWith(Parameterized.class)
 @Category(ClientManagedTimeTest.class)
@@ -96,6 +111,7 @@ public class SkipRangeParallelIteratorRegionSplitterIT extends BaseClientManaged
     }
 
     @Test
+    @Ignore
     public void testGetSplitsWithSkipScanFilter() throws Exception {
         byte[][] splits = new byte[][] {Ka1A, Ka1B, Ka1E, Ka1G, Ka1I, Ka2A};
         long ts = nextTimestamp();
@@ -106,9 +122,6 @@ public class SkipRangeParallelIteratorRegionSplitterIT extends BaseClientManaged
         PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
         
         initTableValues();
-        PreparedStatement stmt = conn.prepareStatement("ANALYZE "+TABLE_NAME);
-        stmt.execute();
-        conn.close();
         TableRef tableRef = new TableRef(null,pconn.getMetaDataCache().getTable(new PTableKey(pconn.getTenantId(), TABLE_NAME)),ts, false);
         List<HRegionLocation> regions = pconn.getQueryServices().getAllTableRegions(tableRef.getTable().getPhysicalName().getBytes());
         List<KeyRange> ranges = getSplits(tableRef, scan, regions, scanRanges);
@@ -322,7 +335,7 @@ public class SkipRangeParallelIteratorRegionSplitterIT extends BaseClientManaged
         setUpTestDriver(new ReadOnlyProps(props.entrySet().iterator()));
     }
 
-    private static List<KeyRange> getSplits(TableRef tableRef, final Scan scan, final List<HRegionLocation> regions,
+    private static List<KeyRange> getSplits(final TableRef tableRef, final Scan scan, final List<HRegionLocation> regions,
             final ScanRanges scanRanges) throws SQLException {
         final List<TableRef> tableRefs = Collections.singletonList(tableRef);
         ColumnResolver resolver = new ColumnResolver() {
@@ -345,17 +358,83 @@ public class SkipRangeParallelIteratorRegionSplitterIT extends BaseClientManaged
             
         };
         PhoenixConnection connection = DriverManager.getConnection(getUrl(), PropertiesUtil.deepCopy(TEST_PROPERTIES)).unwrap(PhoenixConnection.class);
-        PhoenixStatement statement = new PhoenixStatement(connection);
-        StatementContext context = new StatementContext(statement, resolver, scan, new SequenceManager(statement));
+        final PhoenixStatement statement = new PhoenixStatement(connection);
+        final StatementContext context = new StatementContext(statement, resolver, scan, new SequenceManager(statement));
         context.setScanRanges(scanRanges);
-        SkipRangeParallelIteratorRegionSplitter splitter = SkipRangeParallelIteratorRegionSplitter.getInstance(context, tableRef.getTable(), HintNode.EMPTY_HINT_NODE);
-        List<KeyRange> keyRanges = splitter.getSplits();
-        Collections.sort(keyRanges, new Comparator<KeyRange>() {
+        ParallelIterators parallelIterators = new ParallelIterators(new QueryPlan() {
+
+            @Override
+            public StatementContext getContext() {
+                return context;
+            }
+
+            @Override
+            public ParameterMetaData getParameterMetaData() {
+                return PhoenixParameterMetaData.EMPTY_PARAMETER_META_DATA;
+            }
+
+            @Override
+            public ExplainPlan getExplainPlan() throws SQLException {
+                return ExplainPlan.EMPTY_PLAN;
+            }
+
+            @Override
+            public ResultIterator iterator() throws SQLException {
+                return ResultIterator.EMPTY_ITERATOR;
+            }
+
             @Override
-            public int compare(KeyRange o1, KeyRange o2) {
-                return Bytes.compareTo(o1.getLowerRange(),o2.getLowerRange());
+            public long getEstimatedSize() {
+                return 0;
             }
-        });
+
+            @Override
+            public TableRef getTableRef() {
+                return tableRef;
+            }
+
+            @Override
+            public RowProjector getProjector() {
+                return RowProjector.EMPTY_PROJECTOR;
+            }
+
+            @Override
+            public Integer getLimit() {
+                return null;
+            }
+
+            @Override
+            public OrderBy getOrderBy() {
+                return OrderBy.EMPTY_ORDER_BY;
+            }
+
+            @Override
+            public GroupBy getGroupBy() {
+                return GroupBy.EMPTY_GROUP_BY;
+            }
+
+            @Override
+            public List<KeyRange> getSplits() {
+                return null;
+            }
+
+            @Override
+            public FilterableStatement getStatement() {
+                return SelectStatement.SELECT_ONE;
+            }
+
+            @Override
+            public boolean isDegenerate() {
+                return false;
+            }
+
+            @Override
+            public boolean isRowKeyOrdered() {
+                return true;
+            }
+            
+        }, null, new SpoolingResultIterator.SpoolingResultIteratorFactory(context.getConnection().getQueryServices()));
+        List<KeyRange> keyRanges = parallelIterators.getSplits();
         return keyRanges;
     }
 }

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipScanAfterManualSplitIT.java
----------------------------------------------------------------------
diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipScanAfterManualSplitIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipScanAfterManualSplitIT.java
index 6f6c9a7..a07ad0e 100644
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipScanAfterManualSplitIT.java
+++ b/phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipScanAfterManualSplitIT.java
@@ -128,12 +128,13 @@ public class SkipScanAfterManualSplitIT extends BaseHBaseManagedTimeIT {
             assertEquals(nRegions, nInitialRegions);
             
             int nRows = 2;
-            String query = "SELECT /*+ NO_INTRA_REGION_PARALLELIZATION */ count(*) FROM S WHERE a IN ('tl','jt')";
+            String query = "SELECT /*+ NO_INTRA_REGION_PARALLELIZATION */ count(*) FROM S WHERE a IN ('tl','jt',' a',' b',' c',' d')";
             ResultSet rs1 = conn.createStatement().executeQuery(query);
             assertTrue(rs1.next());
             nRegions = services.getAllTableRegions(TABLE_NAME_BYTES).size();
             // Region cache has been updated, as there are more regions now
             assertNotEquals(nRegions, nInitialRegions);
+            /*
             if (nRows != rs1.getInt(1)) {
                 // Run the same query again and it always passes now
                 // (as region cache is up-to-date)
@@ -141,6 +142,7 @@ public class SkipScanAfterManualSplitIT extends BaseHBaseManagedTimeIT {
                 assertTrue(r2.next());
                 assertEquals(nRows, r2.getInt(1));
             }
+            */
             assertEquals(nRows, rs1.getInt(1));
         } finally {
             admin.close();
@@ -346,4 +348,30 @@ public class SkipScanAfterManualSplitIT extends BaseHBaseManagedTimeIT {
         assertFalse(rs.next());
     }
 
+    @Test
+    public void testMinMaxRangeIntersection() throws Exception {
+        Connection conn = DriverManager.getConnection(getUrl());
+        
+        PreparedStatement stmt = conn.prepareStatement("create table splits_test "
+            + "(pk1 UNSIGNED_TINYINT NOT NULL, pk2 UNSIGNED_TINYINT NOT NULL, kv VARCHAR "
+            + "CONSTRAINT pk PRIMARY KEY (pk1, pk2)) SALT_BUCKETS=4 SPLIT ON (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)");
+        // Split each salt bucket into multiple regions
+        stmt.setBytes(1, new byte[] {0, 1, 1});
+        stmt.setBytes(2, new byte[] {0, 2, 1});
+        stmt.setBytes(3, new byte[] {0, 3, 1});
+        stmt.setBytes(4, new byte[] {1, 1, 1});
+        stmt.setBytes(5, new byte[] {1, 2, 1});
+        stmt.setBytes(6, new byte[] {1, 3, 1});
+        stmt.setBytes(7, new byte[] {2, 1, 1});
+        stmt.setBytes(8, new byte[] {2, 2, 1});
+        stmt.setBytes(9, new byte[] {2, 3, 1});
+        stmt.setBytes(10, new byte[] {3, 1, 1});
+        stmt.setBytes(11, new byte[] {3, 2, 1});
+        stmt.setBytes(12, new byte[] {3, 3, 1});
+        stmt.execute();
+        
+        // Use a query with a RVC in a non equality expression
+        ResultSet rs = conn.createStatement().executeQuery("select count(kv) from splits_test where pk1 <= 3 and (pk1,PK2) >= (3, 1)");
+        assertTrue(rs.next());
+    }
 }

http://git-wip-us.apache.org/repos/asf/phoenix/blob/88c6abb0/phoenix-core/src/it/java/org/apache/phoenix/end2end/StatsManagerIT.java
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diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/StatsManagerIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/StatsManagerIT.java
deleted file mode 100644
index b13379b..0000000
--- a/phoenix-core/src/it/java/org/apache/phoenix/end2end/StatsManagerIT.java
+++ /dev/null
@@ -1,198 +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.
- */
-package org.apache.phoenix.end2end;
-
-import static org.apache.phoenix.util.TestUtil.STABLE_NAME;
-import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.PreparedStatement;
-import java.util.Properties;
-
-import org.apache.phoenix.query.ConnectionQueryServices;
-import org.apache.phoenix.query.StatsManager;
-import org.apache.phoenix.query.StatsManagerImpl;
-import org.apache.phoenix.schema.TableRef;
-import org.apache.phoenix.util.PhoenixRuntime;
-import org.apache.phoenix.util.PropertiesUtil;
-import org.apache.phoenix.util.TimeKeeper;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-
-
-/**
- * 
- * Test for stats manager, which is a client-side process that caches the
- * first and last key of a given table. The {@link #testStatsManager()}
- * test must be the only test here, as it relies on state that is only
- * cleared between test runs.
- *
- */
-
-@Category(ClientManagedTimeTest.class)
-public class StatsManagerIT extends BaseParallelIteratorsRegionSplitterIT {
-    
-    private static class ManualTimeKeeper implements TimeKeeper {
-        private long currentTime = 0;
-        @Override
-        public long getCurrentTime() {
-            return currentTime;
-        }
-        
-        public void setCurrentTime(long currentTime) {
-            this.currentTime = currentTime;
-        }
-    }
-
-    private static interface ChangeDetector {
-        boolean isChanged();
-    }
-
-    private boolean waitForAsyncChange(ChangeDetector detector, long maxWaitTimeMs) throws Exception {
-        long startTime = System.currentTimeMillis();
-        do {
-            if (detector.isChanged()) {
-                return true;
-            }
-            try {
-                Thread.sleep(500);
-            } catch (InterruptedException e) {
-                throw e;
-            }
-        } while (System.currentTimeMillis() - startTime < maxWaitTimeMs);
-        return false;
-    }
-
-    private static class MinKeyChange implements ChangeDetector {
-        private byte[] value;
-        private StatsManager stats;
-        private TableRef table;
-        
-        public MinKeyChange(StatsManager stats, TableRef table) {
-            this.value = stats.getMinKey(table);
-            this.stats = stats;
-            this.table = table;
-        }
-        @Override
-        public boolean isChanged() {
-            return value != stats.getMinKey(table);
-        }
-    }
-
-    private static class MaxKeyChange implements ChangeDetector {
-        private byte[] value;
-        private StatsManager stats;
-        private TableRef table;
-        
-        public MaxKeyChange(StatsManager stats, TableRef table) {
-            this.value = stats.getMaxKey(table);
-            this.stats = stats;
-            this.table = table;
-        }
-        @Override
-        public boolean isChanged() {
-            return value != stats.getMaxKey(table);
-        }
-    }
-
-    @Test
-    public void testStatsManager() throws Exception {
-        long ts = nextTimestamp();
-        initTableValues(ts);
-        String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + ts;
-        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
-        Connection conn = DriverManager.getConnection(url, props);
-        TableRef table = getTableRef(conn, ts);
-
-        int updateFreq = 5;
-        int maxAge = 10;
-        int startTime = 100;
-        long waitTime = 5000;
-        
-        ManualTimeKeeper timeKeeper = new ManualTimeKeeper();
-        timeKeeper.setCurrentTime(startTime);
-        ConnectionQueryServices services = driver.getConnectionQueryServices(getUrl(), PropertiesUtil.deepCopy(TEST_PROPERTIES));
-        StatsManager stats = new StatsManagerImpl(services, updateFreq, maxAge, timeKeeper);
-        MinKeyChange minKeyChange = new MinKeyChange(stats, table);
-        MaxKeyChange maxKeyChange = new MaxKeyChange(stats, table);
-        
-        byte[] minKey = minKeyChange.value;
-        assertTrue(minKey == null);
-        assertTrue(waitForAsyncChange(minKeyChange,waitTime));
-        assertArrayEquals(KMIN, stats.getMinKey(table));
-        assertArrayEquals(KMAX, stats.getMaxKey(table));
-        minKeyChange = new MinKeyChange(stats, table);
-        
-        url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + ts+2;
-        props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
-        conn = DriverManager.getConnection(url, props);
-        PreparedStatement delStmt = conn.prepareStatement("delete from " + STABLE_NAME + " where id=?");
-        delStmt.setString(1, new String(KMIN));
-        delStmt.execute();
-        PreparedStatement upsertStmt = conn.prepareStatement("upsert into " + STABLE_NAME + " VALUES (?, ?)");
-        upsertStmt.setString(1, new String(KMIN2));
-        upsertStmt.setInt(2, 1);
-        upsertStmt.execute();
-        conn.commit();
-
-        assertFalse(waitForAsyncChange(minKeyChange,waitTime)); // Stats won't change until they're attempted to be retrieved again
-        timeKeeper.setCurrentTime(timeKeeper.getCurrentTime() + updateFreq);
-        minKeyChange = new MinKeyChange(stats, table); // Will kick off change, but will upate asynchronously
-        assertArrayEquals(KMIN, minKeyChange.value);
-        assertTrue(waitForAsyncChange(minKeyChange,waitTime));
-        assertArrayEquals(KMIN2, stats.getMinKey(table));
-        assertArrayEquals(KMAX, stats.getMaxKey(table));
-        minKeyChange = new MinKeyChange(stats, table);
-        
-        timeKeeper.setCurrentTime(timeKeeper.getCurrentTime() + maxAge);
-        minKeyChange = new MinKeyChange(stats, table); // Will kick off change, but will upate asynchronously
-        assertTrue(null == minKeyChange.value);
-        assertTrue(waitForAsyncChange(minKeyChange,waitTime));
-        assertArrayEquals(KMIN2, stats.getMinKey(table));
-        assertArrayEquals(KMAX, stats.getMaxKey(table));
-        maxKeyChange = new MaxKeyChange(stats, table);
-        
-        delStmt.setString(1, new String(KMAX));
-        delStmt.execute();
-        upsertStmt.setString(1, new String(KMAX2));
-        upsertStmt.setInt(2, 1);
-        upsertStmt.execute();
-        conn.commit();
-        conn.close();
-
-        assertFalse(waitForAsyncChange(maxKeyChange,waitTime)); // Stats won't change until they're attempted to be retrieved again
-        timeKeeper.setCurrentTime(timeKeeper.getCurrentTime() + updateFreq);
-        maxKeyChange = new MaxKeyChange(stats, table); // Will kick off change, but will upate asynchronously
-        assertArrayEquals(KMAX, maxKeyChange.value);
-        assertTrue(waitForAsyncChange(maxKeyChange,waitTime));
-        assertArrayEquals(KMAX2, stats.getMaxKey(table));
-        assertArrayEquals(KMIN2, stats.getMinKey(table));
-        maxKeyChange = new MaxKeyChange(stats, table);
-        
-        timeKeeper.setCurrentTime(timeKeeper.getCurrentTime() + maxAge);
-        maxKeyChange = new MaxKeyChange(stats, table); // Will kick off change, but will upate asynchronously
-        assertTrue(null == maxKeyChange.value);
-        assertTrue(waitForAsyncChange(maxKeyChange,waitTime));
-        assertArrayEquals(KMIN2, stats.getMinKey(table));
-        assertArrayEquals(KMAX2, stats.getMaxKey(table));
-    }
-}


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