flink-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From fhueske <...@git.apache.org>
Subject [GitHub] flink pull request #3715: [FLINK-6232][Table&SQL]Support proctime inner equi...
Date Wed, 17 May 2017 15:40:44 GMT
Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/3715#discussion_r116791061
  
    --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/join/JoinUtil.scala
---
    @@ -0,0 +1,468 @@
    +/*
    + * 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.flink.table.runtime.join
    +
    +import java.math.{BigDecimal => JBigDecimal}
    +import java.util
    +import java.util.EnumSet
    +
    +import org.apache.calcite.avatica.util.TimeUnit
    +import org.apache.calcite.rel.`type`.RelDataType
    +import org.apache.calcite.rel.core.JoinRelType
    +import org.apache.calcite.rex._
    +import org.apache.calcite.sql.fun.SqlStdOperatorTable
    +import org.apache.calcite.sql.parser.SqlParserPos
    +import org.apache.calcite.sql.{SqlIntervalQualifier, SqlKind}
    +import org.apache.flink.api.common.functions.{FilterFunction, FlatJoinFunction}
    +import org.apache.flink.api.common.typeinfo.{BasicTypeInfo, TypeInformation}
    +import org.apache.flink.table.api.{TableConfig, TableException}
    +import org.apache.flink.table.calcite.FlinkTypeFactory
    +import org.apache.flink.table.codegen.{CodeGenException, CodeGenerator, ExpressionReducer}
    +import org.apache.flink.table.plan.nodes.logical.FlinkLogicalJoin
    +import org.apache.flink.table.plan.schema.RowSchema
    +import org.apache.flink.types.Row
    +
    +import scala.collection.JavaConversions._
    +import scala.collection.mutable.ArrayBuffer
    +
    +
    +object JoinUtil {
    +
    +  /**
    +    * Analyze time-condtion to get time boundary for each stream and get the time type
    +    * and return condition without time-condition.
    +    *
    +    * @param  condition   other condtion include time-condition
    +    * @param  leftFieldCount left stream fields count
    +    * @param  inputType   left and right connect stream type
    +    * @param  rexBuilder   util to build rexNode
    +    * @param  config      table environment config
    +    */
    +  private[flink] def analyzeTimeBoundary(
    +      condition: RexNode,
    +      leftLogicalFieldCnt: Int,
    +      leftPhysicalFieldCnt: Int,
    +      inputType: RelDataType,
    +      rexBuilder: RexBuilder,
    +      config: TableConfig): (RelDataType, Long, Long, RexNode) = {
    +    // analyze the time-conditon to get greate and less condition,
    +    // make sure left stream field in the left of the condition
    +    // e.g b.proctime > a.proctime - 1 will be translate to a.proctime - 1 < b.proctime
    +    val greateConditions = new util.ArrayList[TimeSingleCondition]()
    --- End diff --
    
    +r -> `greaterConditions`


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

Mime
View raw message