Optimize oracle select statement parsing speed

apache · Sep 26, 2023 · 0b9b36e · 0b9b36e
1 parent 69b06e6
commit 0b9b36e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/parser/sql/dialect/oracle/src/main/antlr4/imports/oracle/DMLStatement.g4 b/parser/sql/dialect/oracle/src/main/antlr4/imports/oracle/DMLStatement.g4
@@ -136,7 +136,7 @@ select
     ;
 
 selectSubquery
-    : (queryBlock | parenthesisSelectSubquery) ((UNION ALL? | INTERSECT | MINUS) selectSubquery)? orderByClause?
+    : (queryBlock | parenthesisSelectSubquery) orderByClause? ((UNION ALL? | INTERSECT | MINUS) selectSubquery)*
     ;
 
 parenthesisSelectSubquery