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Posted to issues@flink.apache.org by "Yun Gao (Jira)" <ji...@apache.org> on 2022/04/13 06:28:07 UTC

[jira] [Updated] (FLINK-24735) SQL client crashes with `Cannot add expression of different type to set`

     [ https://issues.apache.org/jira/browse/FLINK-24735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yun Gao updated FLINK-24735:
----------------------------
    Fix Version/s: 1.16.0

> SQL client crashes with `Cannot add expression of different type to set`
> ------------------------------------------------------------------------
>
>                 Key: FLINK-24735
>                 URL: https://issues.apache.org/jira/browse/FLINK-24735
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / Client
>    Affects Versions: 1.14.0
>            Reporter: Martijn Visser
>            Assignee: Shengkai Fang
>            Priority: Major
>             Fix For: 1.15.0, 1.16.0, 1.14.5
>
>
> Reproductions steps:
> 1. Download airports.csv from https://www.kaggle.com/usdot/flight-delays
> 2. Start Flink SQL client and create table
> {code:sql}
> CREATE TABLE `airports` (
>   `IATA_CODE` CHAR(3),
>   `AIRPORT` STRING,
>   `CITY` STRING,
>   `STATE` CHAR(2),
>   `COUNTRY` CHAR(3),
>   `LATITUDE` DOUBLE NULL,
>   `LONGITUDE` DOUBLE NULL,
>   PRIMARY KEY (`IATA_CODE`) NOT ENFORCED
> ) WITH (
>   'connector' = 'filesystem',
>   'path' = 'file:///flink-sql-cookbook/other-builtin-functions/04_override_table_options/airports.csv',
>   'format' = 'csv'
> );
> {code}
> 3. Run the following SQL statement:
> {code:sql}
> SELECT * FROM `airports` /*+ OPTIONS('csv.ignore-parse-errors'='true') */ WHERE COALESCE(`IATA_CODE`, `AIRPORT`) IS NULL;
> {code}
> Stacktrace:
> {code:bash}
> Exception in thread "main" org.apache.flink.table.client.SqlClientException: Unexpected exception. This is a bug. Please consider filing an issue.
> 	at org.apache.flink.table.client.SqlClient.startClient(SqlClient.java:201)
> 	at org.apache.flink.table.client.SqlClient.main(SqlClient.java:161)
> Caused by: java.lang.AssertionError: Cannot add expression of different type to set:
> set type is RecordType(CHAR(3) CHARACTER SET "UTF-16LE" NOT NULL IATA_CODE, VARCHAR(2147483647) CHARACTER SET "UTF-16LE" AIRPORT, VARCHAR(2147483647) CHARACTER SET "UTF-16LE" CITY, CHAR(2) CHARACTER SET "UTF-16LE" STATE, CHAR(3) CHARACTER SET "UTF-16LE" COUNTRY, DOUBLE LATITUDE, DOUBLE LONGITUDE) NOT NULL
> expression type is RecordType(CHAR(3) CHARACTER SET "UTF-16LE" IATA_CODE, VARCHAR(2147483647) CHARACTER SET "UTF-16LE" AIRPORT, VARCHAR(2147483647) CHARACTER SET "UTF-16LE" CITY, CHAR(2) CHARACTER SET "UTF-16LE" STATE, CHAR(3) CHARACTER SET "UTF-16LE" COUNTRY, DOUBLE LATITUDE, DOUBLE LONGITUDE) NOT NULL
> set is rel#426:LogicalProject.NONE.any.None: 0.[NONE].[NONE](input=HepRelVertex#425,inputs=0..6)
> expression is LogicalProject(IATA_CODE=[null:CHAR(3) CHARACTER SET "UTF-16LE"], AIRPORT=[$1], CITY=[$2], STATE=[$3], COUNTRY=[$4], LATITUDE=[$5], LONGITUDE=[$6])
>   LogicalFilter(condition=[IS NULL(CAST($0):VARCHAR(2147483647) CHARACTER SET "UTF-16LE")])
>     LogicalTableScan(table=[[default_catalog, default_database, airports]], hints=[[[OPTIONS inheritPath:[] options:{csv.ignore-parse-errors=true}]]])
> 	at org.apache.calcite.plan.RelOptUtil.verifyTypeEquivalence(RelOptUtil.java:381)
> 	at org.apache.calcite.plan.hep.HepRuleCall.transformTo(HepRuleCall.java:58)
> 	at org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:268)
> 	at org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:283)
> 	at org.apache.calcite.rel.rules.ReduceExpressionsRule$ProjectReduceExpressionsRule.onMatch(ReduceExpressionsRule.java:310)
> 	at org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:333)
> 	at org.apache.calcite.plan.hep.HepPlanner.applyRule(HepPlanner.java:542)
> 	at org.apache.calcite.plan.hep.HepPlanner.applyRules(HepPlanner.java:407)
> 	at org.apache.calcite.plan.hep.HepPlanner.executeInstruction(HepPlanner.java:243)
> 	at org.apache.calcite.plan.hep.HepInstruction$RuleInstance.execute(HepInstruction.java:127)
> 	at org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:202)
> 	at org.apache.calcite.plan.hep.HepPlanner.findBestExp(HepPlanner.java:189)
> 	at org.apache.flink.table.planner.plan.optimize.program.FlinkHepProgram.optimize(FlinkHepProgram.scala:69)
> 	at org.apache.flink.table.planner.plan.optimize.program.FlinkHepRuleSetProgram.optimize(FlinkHepRuleSetProgram.scala:87)
> 	at org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram.$anonfun$optimize$1(FlinkChainedProgram.scala:62)
> 	at scala.collection.TraversableOnce.$anonfun$foldLeft$1(TraversableOnce.scala:156)
> 	at scala.collection.TraversableOnce.$anonfun$foldLeft$1$adapted(TraversableOnce.scala:156)
> 	at scala.collection.Iterator.foreach(Iterator.scala:937)
> 	at scala.collection.Iterator.foreach$(Iterator.scala:937)
> 	at scala.collection.AbstractIterator.foreach(Iterator.scala:1425)
> 	at scala.collection.IterableLike.foreach(IterableLike.scala:70)
> 	at scala.collection.IterableLike.foreach$(IterableLike.scala:69)
> 	at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
> 	at scala.collection.TraversableOnce.foldLeft(TraversableOnce.scala:156)
> 	at scala.collection.TraversableOnce.foldLeft$(TraversableOnce.scala:154)
> 	at scala.collection.AbstractTraversable.foldLeft(Traversable.scala:104)
> 	at org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram.optimize(FlinkChainedProgram.scala:58)
> 	at org.apache.flink.table.planner.plan.optimize.StreamCommonSubGraphBasedOptimizer.optimizeTree(StreamCommonSubGraphBasedOptimizer.scala:163)
> 	at org.apache.flink.table.planner.plan.optimize.StreamCommonSubGraphBasedOptimizer.doOptimize(StreamCommonSubGraphBasedOptimizer.scala:81)
> 	at org.apache.flink.table.planner.plan.optimize.CommonSubGraphBasedOptimizer.optimize(CommonSubGraphBasedOptimizer.scala:77)
> 	at org.apache.flink.table.planner.delegation.PlannerBase.optimize(PlannerBase.scala:300)
> 	at org.apache.flink.table.planner.delegation.PlannerBase.translate(PlannerBase.scala:183)
> 	at org.apache.flink.table.api.internal.TableEnvironmentImpl.translate(TableEnvironmentImpl.java:1665)
> 	at org.apache.flink.table.api.internal.TableEnvironmentImpl.executeQueryOperation(TableEnvironmentImpl.java:805)
> 	at org.apache.flink.table.api.internal.TableEnvironmentImpl.executeInternal(TableEnvironmentImpl.java:1274)
> 	at org.apache.flink.table.client.gateway.local.LocalExecutor.lambda$executeOperation$3(LocalExecutor.java:209)
> 	at org.apache.flink.table.client.gateway.context.ExecutionContext.wrapClassLoader(ExecutionContext.java:88)
> 	at org.apache.flink.table.client.gateway.local.LocalExecutor.executeOperation(LocalExecutor.java:209)
> 	at org.apache.flink.table.client.gateway.local.LocalExecutor.executeQuery(LocalExecutor.java:231)
> 	at org.apache.flink.table.client.cli.CliClient.callSelect(CliClient.java:532)
> 	at org.apache.flink.table.client.cli.CliClient.callOperation(CliClient.java:423)
> 	at org.apache.flink.table.client.cli.CliClient.lambda$executeStatement$1(CliClient.java:332)
> 	at java.util.Optional.ifPresent(Optional.java:159)
> 	at org.apache.flink.table.client.cli.CliClient.executeStatement(CliClient.java:325)
> 	at org.apache.flink.table.client.cli.CliClient.executeInteractive(CliClient.java:297)
> 	at org.apache.flink.table.client.cli.CliClient.executeInInteractiveMode(CliClient.java:221)
> 	at org.apache.flink.table.client.SqlClient.openCli(SqlClient.java:151)
> 	at org.apache.flink.table.client.SqlClient.start(SqlClient.java:95)
> 	at org.apache.flink.table.client.SqlClient.startClient(SqlClient.java:187)
> 	... 1 more
> {code}
> Any exception/error should be wrapped into a SqlExecutionException (in the executor) or SqlClientException in the highest layer, which is not happening in this case. 



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