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Posted to issues@flink.apache.org by "luoyuxia (Jira)" <ji...@apache.org> on 2023/04/10 01:28:00 UTC

[jira] (FLINK-31344) Support to update nested columns in update statement

    [ https://issues.apache.org/jira/browse/FLINK-31344 ]


    luoyuxia deleted comment on FLINK-31344:
    ----------------------------------

was (Author: luoyuxia):
[~aitozi] Why need to modify the iinterface SupportsRowLevelUpdate?

> Support to update nested columns in update statement
> ----------------------------------------------------
>
>                 Key: FLINK-31344
>                 URL: https://issues.apache.org/jira/browse/FLINK-31344
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / API
>            Reporter: luoyuxia
>            Priority: Major
>
> Currently, it'll throw exception while using update statement to update nested column;
> For the following sql:
>  
> {code:java}
> create table (t ROW<`a` INT>) with (xxx);
> update t set s.a = 1;{code}
> It'll throw the exception:
> {code:java}
> Caused by: org.apache.flink.sql.parser.impl.ParseException: Encountered "." at line 1, column 15.
> Was expecting:
>     "=" ...
>     
>     at org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.generateParseException(FlinkSqlParserImpl.java:46382)
>     at org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.jj_consume_token(FlinkSqlParserImpl.java:46190)
>     at org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.SqlUpdate(FlinkSqlParserImpl.java:14389)
>     at org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.SqlStmt(FlinkSqlParserImpl.java:4121)
>     at org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.SqlStmtList(FlinkSqlParserImpl.java:2998)
>     at org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.parseSqlStmtList(FlinkSqlParserImpl.java:306)
>     at org.apache.calcite.sql.parser.SqlParser.parseStmtList(SqlParser.java:198)
>     ... 33 more {code}
>  
>  



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