leonardBang commented on a change in pull request #15124:
URL: https://github.com/apache/flink/pull/15124#discussion_r591305984
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File path:
flink-table/flink-sql-parser/src/main/codegen/includes/parserImpls.ftl
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@@ -1095,6 +1097,16 @@ SqlTypeNameSpec ExtendedSqlBasicTypeName() :
typeAlias = token.image;
precision = Integer.MAX_VALUE;
}
+ |
+ <TIMESTAMP_LTZ>
+ {
+ typeAlias = token.image;
+ }
+ precision = PrecisionOpt()
+ {
+ typeName = SqlTypeName.TIMESTAMP_WITH_LOCAL_TIME_ZONE;
+ return new SqlTimestampLtzTypeNameSpec(typeAlias, typeName,
precision, getPos());
Review comment:
I think we cannot because `SqlTimestampLtzTypeNameSpec`overrides
`unparse` which considered precision(eg. `TIMESTAMP_LTZ(3)`) but
`SqlAlienSystemTypeNameSpec` does not
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