feat(flink): support NOT NULL syntax (#103)

* feat(flink): support NOT NULL syntax * feat(flinksql): support NULL
2023-05-23 10:12:05 +08:00
parent 40c911597b
commit 4b824fb500
8 changed files with 2086 additions and 1956 deletions
--- a/src/grammar/flinksql/FlinkSqlParser.g4
+++ b/src/grammar/flinksql/FlinkSqlParser.g4
@ -180,7 +180,7 @@ rowTypeDimension
    ;

 columnConstraint
-    :(KW_CONSTRAINT constraintName)? KW_PRIMARY KW_KEY KW_NOT KW_ENFORCED
+    :(KW_CONSTRAINT constraintName)? KW_PRIMARY KW_KEY (KW_NOT KW_ENFORCED)? | KW_NOT? KW_NULL
    ;

 commentSpec