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https://issues.apache.org/jira/browse/FLINK-15141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16994624#comment-16994624
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Jark Wu commented on FLINK-15141:
---------------------------------
Hi [~xiaojin.wy], I just merged FLINK-15124, and verified in may local machine.
Could you check it from your side using the latest code?
> Using decimal type in a sink table, the result returns a not match
> ValidationException
> ---------------------------------------------------------------------------------------
>
> Key: FLINK-15141
> URL: https://issues.apache.org/jira/browse/FLINK-15141
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Client
> Affects Versions: 1.10.0
> Reporter: xiaojin.wy
> Assignee: Jark Wu
> Priority: Major
> Fix For: 1.10.0
>
>
> The planner what I used is blink.
> *The source table is:*
> CREATE TABLE `aggtest` (
> a smallint,
> b float
> ) WITH (
> 'format.field-delimiter'='|',
> 'connector.type'='filesystem',
> 'format.derive-schema'='true',
>
> 'connector.path'='hdfs://zthdev/defender_test_data/daily/test_aggregates/sources/aggtest.csv',
> 'format.type'='csv'
> );
>
> *The sink table is:*
> CREATE TABLE `agg_decimal_res` (
> avg_107_943 DECIMAL(10, 3)
> ) WITH (
> 'format.field-delimiter'='|',
> 'connector.type'='filesystem',
> 'format.derive-schema'='true',
>
> 'connector.path'='hdfs://zthdev/defender_test_data/daily/test_aggregates/test_aggregates__test_avg_cast_batch/results/agg_decimal_res.csv',
> 'format.type'='csv'
> );
>
> *The sql is:*
> INSERT INTO agg_decimal_res SELECT CAST(avg(b) AS numeric(10,3)) AS
> avg_107_943 FROM aggtest;
>
> After execute the sql, there will be a exception appear, just like this:
> [INFO] Submitting SQL update statement to the cluster...
> [ERROR] Could not execute SQL statement. Reason:
> org.apache.flink.table.api.ValidationException: Field types of query result
> and registered TableSink
> `default_catalog`.`default_database`.`agg_decimal_res1` do not match.
> Query result schema: [avg_107_943: DECIMAL(10, 3)]
> TableSink schema: [avg_107_943: DECIMAL(38, 18)]
>
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