MDEV-16464 Oracle Comp.: Sql-Error on "SELECT name, comment FROM mysql.proc"

mysql-test/suite/compat/oracle/r/parser.result

@@ -448,3 +448,54 @@ BEGIN
 SELECT precedes INTO precedes FROM DUAL;
 END;
 /
+#
+# MDEV-16464 Oracle Comp.: Sql-Error on "SELECT name, comment FROM mysql.proc"
+#
+SET sql_mode=ORACLE;
+SELECT name, comment FROM mysql.proc WHERE db='test';
+name	comment
+CREATE TABLE comment (comment INT);
+SELECT comment FROM comment;
+comment
+SELECT comment comment FROM comment comment;
+comment
+SELECT comment AS comment FROM comment AS comment;
+comment
+DROP TABLE comment;
+DECLARE
+comment INT;
+BEGIN
+SELECT comment INTO comment FROM DUAL;
+END;
+/
+CREATE PROCEDURE comment COMMENT 'test' AS
+BEGIN
+SELECT 1;
+END;
+/
+BEGIN
+comment;
+END;
+/
+1
+1
+CALL comment();
+1
+1
+CALL comment;
+1
+1
+DROP PROCEDURE comment;
+CREATE FUNCTION comment RETURN INT COMMENT 'test' AS
+BEGIN
+RETURN 1;
+END;
+/
+Warnings:
+Note	1585	This function 'comment' has the same name as a native function
+SELECT test.comment() FROM DUAL;
+test.comment()
+1
+Warnings:
+Note	1585	This function 'comment' has the same name as a native function
+DROP FUNCTION comment;

mysql-test/suite/compat/oracle/t/parser.test

@@ -208,3 +208,51 @@ END;
 /
 
 DELIMITER ;/
+
+
+--echo #
+--echo # MDEV-16464 Oracle Comp.: Sql-Error on "SELECT name, comment FROM mysql.proc"
+--echo #
+
+SET sql_mode=ORACLE;
+SELECT name, comment FROM mysql.proc WHERE db='test';
+
+CREATE TABLE comment (comment INT);
+SELECT comment FROM comment;
+SELECT comment comment FROM comment comment;
+SELECT comment AS comment FROM comment AS comment;
+DROP TABLE comment;
+
+DELIMITER /;
+DECLARE
+  comment INT;
+BEGIN
+  SELECT comment INTO comment FROM DUAL;
+END;
+/
+DELIMITER ;/
+
+DELIMITER /;
+CREATE PROCEDURE comment COMMENT 'test' AS
+BEGIN
+  SELECT 1;
+END;
+/
+BEGIN
+  comment;
+END;
+/
+DELIMITER ;/
+CALL comment();
+CALL comment;
+DROP PROCEDURE comment;
+
+DELIMITER /;
+CREATE FUNCTION comment RETURN INT COMMENT 'test' AS
+BEGIN
+  RETURN 1;
+END;
+/
+DELIMITER ;/
+SELECT test.comment() FROM DUAL;
+DROP FUNCTION comment;

sql/sql_yacc.yy

@@ -1213,7 +1213,6 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
   Keywords that have different reserved status in std/oracle modes.
 */
 %token  <kwd>  BODY_SYM                      /* Oracle-R   */
-%token  <kwd>  COMMENT_SYM
 %token  <kwd>  ELSIF_SYM                     /* Oracle, reserved in PL/SQL*/
 %token  <kwd>  GOTO_SYM                      /* Oracle, reserved in PL/SQL*/
 %token  <kwd>  OTHERS_SYM                    /* SQL-2011-N */
@@ -1276,6 +1275,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
 %token  <kwd>  COLUMN_GET_SYM
 %token  <kwd>  COLUMN_SYM                    /* SQL-2003-R */
 %token  <kwd>  COLUMN_NAME_SYM               /* SQL-2003-N */
+%token  <kwd>  COMMENT_SYM                   /* Oracle-R   */
 %token  <kwd>  COMMITTED_SYM                 /* SQL-2003-N */
 %token  <kwd>  COMMIT_SYM                    /* SQL-2003-R */
 %token  <kwd>  COMPACT_SYM

sql/sql_yacc_ora.yy

@@ -607,7 +607,6 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
   Keywords that have different reserved status in std/oracle modes.
 */
 %token  BODY_SYM                      /* Oracle-R   */
-%token  COMMENT_SYM
 %token  ELSIF_SYM                     /* Oracle, reserved in PL/SQL*/
 %token  GOTO_SYM                      /* Oracle, reserved in PL/SQL*/
 %token  OTHERS_SYM                    /* SQL-2011-N */
@@ -670,6 +669,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
 %token  <kwd>  COLUMN_GET_SYM
 %token  <kwd>  COLUMN_SYM                    /* SQL-2003-R */
 %token  <kwd>  COLUMN_NAME_SYM               /* SQL-2003-N */
+%token  <kwd>  COMMENT_SYM                   /* Oracle-R   */
 %token  <kwd>  COMMITTED_SYM                 /* SQL-2003-N */
 %token  <kwd>  COMMIT_SYM                    /* SQL-2003-R */
 %token  <kwd>  COMPACT_SYM
@@ -15593,6 +15593,7 @@ keyword_sp_var_not_label:
         | COLUMN_CREATE_SYM
         | COLUMN_DELETE_SYM
         | COLUMN_GET_SYM
+        | COMMENT_SYM
         | DEALLOCATE_SYM
         | EXAMINED_SYM
         | EXCLUDE_SYM