[
https://issues.apache.org/jira/browse/FLINK-15284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Kurt Young closed FLINK-15284.
------------------------------
Resolution: Duplicate
> Sql error (Failed to push project into table source!)
> -----------------------------------------------------
>
> Key: FLINK-15284
> URL: https://issues.apache.org/jira/browse/FLINK-15284
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Client
> Affects Versions: 1.10.0
> Reporter: xiaojin.wy
> Priority: Major
>
> *The sql is:*
> CREATE TABLE `t` (
> x INT
> ) WITH (
> 'format.field-delimiter'=',',
> 'connector.type'='filesystem',
> 'format.derive-schema'='true',
>
> 'connector.path'='/defender_test_data/daily_regression_batch_spark_1.10/test_binary_comparison_coercion/sources/t.csv',
> 'format.type'='csv'
> );
> SELECT cast(' ' as BINARY(2)) = X'0020' FROM t;
> *The exception is:*
> [ERROR] Could not execute SQL statement. Reason:
> org.apache.flink.table.api.TableException: Failed to push project into table
> source! table source with pushdown capability must override and change
> explainSource() API to explain the pushdown applied!
>
>
> *The whole exception is:*
> Caused by: org.apache.flink.table.api.TableException: Sql optimization:
> Cannot generate a valid execution plan for the given query:Caused by:
> org.apache.flink.table.api.TableException: Sql optimization: Cannot generate
> a valid execution plan for the given query:
>
> LogicalSink(name=[`default_catalog`.`default_database`.`_tmp_table_2136189659`],
> fields=[EXPR$0])+- LogicalProject(EXPR$0=[false])+ -
> LogicalTableScan(table=[[default_catalog, default_database, t, source:
> [CsvTableSource(read fields: x)]]])
> Failed to push project into table source! table source with pushdown
> capability must override and change explainSource() API to explain the
> pushdown applied!Please check the documentation for the set of currently
> supported SQL features. at
> org.apache.flink.table.planner.plan.optimize.program.FlinkVolcanoProgram.optimize(FlinkVolcanoProgram.scala:86)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:62)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:58)
> at
> scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
> at
> scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
> at scala.collection.Iterator$class.foreach(Iterator.scala:891) at
> scala.collection.AbstractIterator.foreach(Iterator.scala:1334) at
> scala.collection.IterableLike$class.foreach(IterableLike.scala:72) at
> scala.collection.AbstractIterable.foreach(Iterable.scala:54) at
> scala.collection.TraversableOnce$class.foldLeft(TraversableOnce.scala:157) at
> scala.collection.AbstractTraversable.foldLeft(Traversable.scala:104) at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram.optimize(FlinkChainedProgram.scala:57)
> at
> org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.optimizeTree(BatchCommonSubGraphBasedOptimizer.scala:83)
> at
> org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.org$apache$flink$table$planner$plan$optimize$BatchCommonSubGraphBasedOptimizer$$optimizeBlock(BatchCommonSubGraphBasedOptimizer.scala:56)
> at
> org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer$$anonfun$doOptimize$1.apply(BatchCommonSubGraphBasedOptimizer.scala:44)
> at
> org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer$$anonfun$doOptimize$1.apply(BatchCommonSubGraphBasedOptimizer.scala:44)
> at scala.collection.immutable.List.foreach(List.scala:392) at
> org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.doOptimize(BatchCommonSubGraphBasedOptimizer.scala:44)
> at
> org.apache.flink.table.planner.plan.optimize.CommonSubGraphBasedOptimizer.optimize(CommonSubGraphBasedOptimizer.scala:77)
> at
> org.apache.flink.table.planner.delegation.PlannerBase.optimize(PlannerBase.scala:223)
> at
> org.apache.flink.table.planner.delegation.PlannerBase.translate(PlannerBase.scala:150)
> at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.translate(TableEnvironmentImpl.java:680)
> at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.insertIntoInternal(TableEnvironmentImpl.java:353)
> at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.insertInto(TableEnvironmentImpl.java:341)
> at
> org.apache.flink.table.api.internal.TableImpl.insertInto(TableImpl.java:428)
> at
> org.apache.flink.table.client.gateway.local.LocalExecutor.lambda$executeQueryAndPersistInternal$14(LocalExecutor.java:701)
> at
> org.apache.flink.table.client.gateway.local.ExecutionContext.wrapClassLoader(ExecutionContext.java:231)
> at
> org.apache.flink.table.client.gateway.local.LocalExecutor.executeQueryAndPersistInternal(LocalExecutor.java:699)
> ... 8 moreCaused by: org.apache.flink.table.api.TableException: Failed to
> push project into table source! table source with pushdown capability must
> override and change explainSource() API to explain the pushdown applied! at
> org.apache.flink.table.planner.plan.rules.logical.PushProjectIntoTableSourceScanRule.onMatch(PushProjectIntoTableSourceScanRule.scala:84)
> at
> org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:208)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:631)
> at org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:327)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkVolcanoProgram.optimize(FlinkVolcanoProgram.scala:64)
> ... 35 more^C
>
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