beliefer commented on a change in pull request #27495: [SPARK-28880][SQL]
Support ANSI nested bracketed comments
URL: https://github.com/apache/spark/pull/27495#discussion_r382512937
##########
File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
##########
@@ -61,6 +61,19 @@ grammar SqlBase;
* When true, the behavior of keywords follows ANSI SQL standard.
*/
public boolean SQL_standard_keyword_behavior = false;
+
+ /**
+ * Verify whether current token is a valid hint token (which follows '/*'
and is '+').
+ * Returns true if the first character is '+'.
+ */
+ public boolean isHint() {
+ int firstChar = _input.LA(1);
Review comment:
OK
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