You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@flink.apache.org by "Jark Wu (Jira)" <ji...@apache.org> on 2019/11/04 04:33:00 UTC
[jira] [Resolved] (FLINK-14549) Improve exception message when
schema is not matched between query and sink
[ https://issues.apache.org/jira/browse/FLINK-14549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jark Wu resolved FLINK-14549.
-----------------------------
Resolution: Fixed
1.10.0: a96b3dadb38a1b24d18efbcd6a6e5879121555f0
> Improve exception message when schema is not matched between query and sink
> ---------------------------------------------------------------------------
>
> Key: FLINK-14549
> URL: https://issues.apache.org/jira/browse/FLINK-14549
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.9.1
> Reporter: Leonard Xu
> Assignee: Leonard Xu
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.10.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> We use DataType‘s conversionClass name in validating the query result's field type and sink table schema which is no precise when the DataType has variable parameters like DECIMAL(p,s)、TIMESTAMP(p).
> {code:java}
> Exception in thread "main" org.apache.flink.table.api.ValidationException: Field types of query result and registered TableSink `default_catalog`.`default_database`.`q2_sinkTable` do not match.
> Query result schema: [d_week_seq1: Long, EXPR$1: BigDecimal, EXPR$2: BigDecimal]
> TableSink schema: [d_week_seq1: Long, EXPR$1: BigDecimal, EXPR$2: BigDecimal]
> at org.apache.flink.table.planner.sinks.TableSinkUtils$.validateSink(TableSinkUtils.scala:68)
> at org.apache.flink.table.planner.delegation.PlannerBase$$anonfun$2.apply(PlannerBase.scala:179)
> at org.apache.flink.table.planner.delegation.PlannerBase$$anonfun$2.apply(PlannerBase.scala:178)
> {code}
> Using logicalType will be more precise and clear to user as following:
> {code:java}
> Exception in thread "main" org.apache.flink.table.api.ValidationException: Field types of query result and registered TableSink `default_catalog`.`default_database`.`q2_sinkTable` do not match.
> Query result schema: [d_week_seq1: BIGINT, EXPR$1: DECIMAL(35, 2), EXPR$2: DECIMAL(35, 2)]
> TableSink schema: [d_week_seq1: BIGINT, EXPR$1: DECIMAL(35, 3), EXPR$2: DECIMAL(35, 3)]
> at org.apache.flink.table.planner.sinks.TableSinkUtils$.validateSink(TableSinkUtils.scala:68)
> at org.apache.flink.table.planner.delegation.PlannerBase$$anonfun$2.apply(PlannerBase.scala:179)
> at org.apache.flink.table.planner.delegation.PlannerBase$$anonfun$2.apply(PlannerBase.scala:178)
> {code}
>
>
--
This message was sent by Atlassian Jira
(v8.3.4#803005)