bigquery sql parser support extra commas in select list

alibaba · Dec 5, 2024 · 99a5a99 · 99a5a99
1 parent 4e13fd7
commit 99a5a99
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/core/src/main/java/com/alibaba/druid/sql/parser/SQLSelectParser.java b/core/src/main/java/com/alibaba/druid/sql/parser/SQLSelectParser.java
@@ -1139,7 +1139,7 @@ protected void parseSelectList(SQLSelectQueryBlock queryBlock) {
             }
 
             // https://github.com/alibaba/druid/issues/5140
-            if (lexer.token == Token.FROM) {
+            if (lexer.token == Token.FROM || lexer.token == Token.UNION) {
                 if (parseSelectListFromError()) {
                     throw new ParserException("syntax error, expect is not TOKEN:from " + lexer.info());
                 } else {

diff --git a/core/src/test/resources/bvt/parser/bigquery/0.txt b/core/src/test/resources/bvt/parser/bigquery/0.txt
@@ -1,3 +1,11 @@
+select 1,2,
+union all
+select 2, 3
+--------------------
+SELECT 1, 2
+UNION ALL
+SELECT 2, 3
+------------------------------------------------------------------------------------------------------------------------
 select a, b, c
 from t1
 group by all