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https://issues.apache.org/jira/browse/FLINK-24536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jing Ge updated FLINK-24536:
----------------------------
Fix Version/s: 1.19.0
(was: 1.18.0)
> flink sql where condition is not supported != writing
> ------------------------------------------------------
>
> Key: FLINK-24536
> URL: https://issues.apache.org/jira/browse/FLINK-24536
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Affects Versions: 1.14.0
> Reporter: simenliuxing
> Assignee: liwei li
> Priority: Minor
> Labels: pull-request-available, stale-assigned
> Fix For: 1.19.0
>
>
> sql:
>
> {code:java}
> CREATE TABLE source
> (
> id INT,
> name STRING,
> money DECIMAL(32, 2),
> dateone timestamp,
> age bigint,
> datethree timestamp,
> datesix timestamp(6),
> datenigth timestamp(9),
> dtdate date,
> dttime time
> ) WITH (
> 'connector' = 'datagen'
> ,'rows-per-second' = '1'
> );
> CREATE TABLE sink
> (
> id bigint,
> name STRING
> ) WITH (
> 'connector' = 'print'
> );
> insert into sink
> select sum(id) as id, name
> from source
> where name != 'aa'
> group by name;
> {code}
>
> exception:
>
> {code:java}
> Caused by: org.apache.calcite.sql.parser.SqlParseException: Bang equal '!='
> is not allowed under the current SQL conformance levelCaused by:
> org.apache.calcite.sql.parser.SqlParseException: Bang equal '!=' is not
> allowed under the current SQL conformance level at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.convertException(FlinkSqlParserImpl.java:462)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.normalizeException(FlinkSqlParserImpl.java:225)
> at
> org.apache.calcite.sql.parser.SqlParser.handleException(SqlParser.java:140)
> at org.apache.calcite.sql.parser.SqlParser.parseQuery(SqlParser.java:155) at
> org.apache.calcite.sql.parser.SqlParser.parseStmt(SqlParser.java:180) at
> org.apache.flink.table.planner.parse.CalciteParser.parse(CalciteParser.java:54)
> ... 22 moreCaused by: org.apache.calcite.runtime.CalciteException: Bang
> equal '!=' is not allowed under the current SQL conformance level at
> sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at
> org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:467)
> at org.apache.calcite.runtime.Resources$ExInst.ex(Resources.java:560) at
> org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:883) at
> org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:868) at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.BinaryRowOperator(FlinkSqlParserImpl.java:31759)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.Expression2(FlinkSqlParserImpl.java:19802)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.Expression(FlinkSqlParserImpl.java:19553)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.WhereOpt(FlinkSqlParserImpl.java:14370)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.SqlSelect(FlinkSqlParserImpl.java:7836)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.LeafQuery(FlinkSqlParserImpl.java:704)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.LeafQueryOrExpr(FlinkSqlParserImpl.java:19536)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.QueryOrExpr(FlinkSqlParserImpl.java:18982)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.OrderedQueryOrExpr(FlinkSqlParserImpl.java:578)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.RichSqlInsert(FlinkSqlParserImpl.java:5596)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.SqlStmt(FlinkSqlParserImpl.java:3404)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.SqlStmtEof(FlinkSqlParserImpl.java:3980)
> at
> org.apache.flink.sql.parser.impl.FlinkSqlParserImpl.parseSqlStmtEof(FlinkSqlParserImpl.java:273)
> at org.apache.calcite.sql.parser.SqlParser.parseQuery(SqlParser.java:153)
> ... 24 more{code}
>
> It is ok when I use the following syntax：
> where name <> 'aa'
> Why not support '!=' This kind of grammar, will it be supported later?
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