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Posted to issues@flink.apache.org by "Leonard Xu (Jira)" <ji...@apache.org> on 2022/11/14 01:55:00 UTC
[jira] [Assigned] (FLINK-29992) Join execution plan parsing error
[ https://issues.apache.org/jira/browse/FLINK-29992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Leonard Xu reassigned FLINK-29992:
----------------------------------
Assignee: luoyuxia
> Join execution plan parsing error
> ---------------------------------
>
> Key: FLINK-29992
> URL: https://issues.apache.org/jira/browse/FLINK-29992
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.16.0, 1.17.0
> Reporter: HunterXHunter
> Assignee: luoyuxia
> Priority: Major
> Labels: pull-request-available
>
> {code:java}
> //
> tableEnv.executeSql(" CREATE CATALOG hive WITH (\n"
> + " 'type' = 'hive',\n"
> + " 'default-database' = 'flinkdebug',\n"
> + " 'hive-conf-dir' = '/programe/hadoop/hive-3.1.2/conf'\n"
> + " )");
> tableEnv.executeSql("create table datagen_tbl (\n"
> + "id STRING\n"
> + ",name STRING\n"
> + ",age bigint\n"
> + ",ts bigint\n"
> + ",`par` STRING\n"
> + ",pro_time as PROCTIME()\n"
> + ") with (\n"
> + " 'connector'='datagen'\n"
> + ",'rows-per-second'='10'\n"
> + " \n"
> + ")");
> String dml1 = "select * "
> + " from datagen_tbl as p "
> + " join hive.flinkdebug.default_hive_src_tbl "
> + " FOR SYSTEM_TIME AS OF p.pro_time AS c"
> + " ON p.id = c.id";
> // Execution succeeded
> System.out.println(tableEnv.explainSql(dml1));
> String dml2 = "select p.id "
> + " from datagen_tbl as p "
> + " join hive.flinkdebug.default_hive_src_tbl "
> + " FOR SYSTEM_TIME AS OF p.pro_time AS c"
> + " ON p.id = c.id";
> // Throw an exception
> System.out.println(tableEnv.explainSql(dml2)); {code}
> {code:java}
> org.apache.flink.table.api.TableException: Cannot generate a valid execution plan for the given query: FlinkLogicalCalc(select=[id]) +- FlinkLogicalJoin(condition=[=($0, $1)], joinType=[inner]) :- FlinkLogicalCalc(select=[id]) : +- FlinkLogicalTableSourceScan(table=[[default_catalog, default_database, datagen_tbl]], fields=[id, name, age, ts, par]) +- FlinkLogicalSnapshot(period=[$cor1.pro_time]) +- FlinkLogicalTableSourceScan(table=[[hive, flinkdebug, default_hive_src_tbl, project=[id]]], fields=[id])This exception indicates that the query uses an unsupported SQL feature. 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:70) at org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram.$anonfun$optimize$1(FlinkChainedProgram.scala:59)
>
> {code}
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