MDEV-13686 EXCEPTION reserved keyword in SQL_MODE=oracle but not in Oracle itself

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

@@ -273,6 +273,8 @@ CREATE PROCEDURE p1 (rollback OUT INT) AS BEGIN rollback:=10; END;/
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ':=10; END' at line 1
 CREATE PROCEDURE p1 (shutdown OUT INT) AS BEGIN shutdown:=10; END;/
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ':=10; END' at line 1
+CREATE PROCEDURE p1 (exception OUT INT) AS BEGIN exception:=10; END;/
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ':=10; END' at line 1
 # Testing that keyword_directly_not_assignable works in SET statements.
 CREATE PROCEDURE p1 (contains OUT INT) AS BEGIN SET contains=10; END;/
 DROP PROCEDURE p1/
@@ -300,6 +302,8 @@ CREATE PROCEDURE p1 (begin OUT INT) AS BEGIN SET begin=10; END;/
 DROP PROCEDURE p1/
 CREATE PROCEDURE p1 (end OUT INT) AS BEGIN SET end=10; END;/
 DROP PROCEDURE p1/
+CREATE PROCEDURE p1 (exception OUT INT) AS BEGIN SET exception=10; END;/
+DROP PROCEDURE p1/
 # Testing that keyword_directly_not_assignable works in table/column names
 CREATE TABLE contains (contains INT);
 DROP TABLE contains;
@@ -327,6 +331,8 @@ CREATE TABLE begin (begin INT);
 DROP TABLE begin;
 CREATE TABLE end (end INT);
 DROP TABLE end;
+CREATE TABLE exception (exception INT);
+DROP TABLE exception;
 # Testing ELSIF
 CREATE FUNCTION f1(a INT) RETURN CLOB
 AS
@@ -2282,3 +2288,12 @@ Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is
 def					SQL%ROWCOUNT	8	21	1	N	32897	0	63
 SQL%ROWCOUNT
 0
+#
+# MDEV-13686 EXCEPTION reserved keyword in SQL_MODE=oracle but not in Oracle itself
+#
+CREATE TABLE t1 (c1 int);
+CREATE VIEW v1 AS SELECT c1 exception FROM t1;
+SELECT exception FROM v1;
+exception
+DROP VIEW v1;
+DROP TABLE t1;

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

@@ -286,6 +286,8 @@ CREATE PROCEDURE p1 (commit OUT INT) AS BEGIN commit:=10; END;/
 CREATE PROCEDURE p1 (rollback OUT INT) AS BEGIN rollback:=10; END;/
 --error ER_PARSE_ERROR
 CREATE PROCEDURE p1 (shutdown OUT INT) AS BEGIN shutdown:=10; END;/
+--error ER_PARSE_ERROR
+CREATE PROCEDURE p1 (exception OUT INT) AS BEGIN exception:=10; END;/
 DELIMITER ;/
 
 
@@ -317,6 +319,8 @@ CREATE PROCEDURE p1 (begin OUT INT) AS BEGIN SET begin=10; END;/
 DROP PROCEDURE p1/
 CREATE PROCEDURE p1 (end OUT INT) AS BEGIN SET end=10; END;/
 DROP PROCEDURE p1/
+CREATE PROCEDURE p1 (exception OUT INT) AS BEGIN SET exception=10; END;/
+DROP PROCEDURE p1/
 DELIMITER ;/
 
 --echo # Testing that keyword_directly_not_assignable works in table/column names
@@ -346,6 +350,8 @@ CREATE TABLE begin (begin INT);
 DROP TABLE begin;
 CREATE TABLE end (end INT);
 DROP TABLE end;
+CREATE TABLE exception (exception INT);
+DROP TABLE exception;
 
 --echo # Testing ELSIF
 DELIMITER /;
@@ -2131,3 +2137,12 @@ DROP PROCEDURE p1;
 SELECT SQL%ROWCOUNT;
 --enable_ps_protocol
 --disable_metadata
+
+--echo #
+--echo # MDEV-13686 EXCEPTION reserved keyword in SQL_MODE=oracle but not in Oracle itself
+--echo #
+CREATE TABLE t1 (c1 int);
+CREATE VIEW v1 AS SELECT c1 exception FROM t1;
+SELECT exception FROM v1;
+DROP VIEW v1;
+DROP TABLE t1;

sql/sql_yacc.yy

@@ -1073,7 +1073,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
 %token  EXCEPT_SYM                    /* SQL-2003-R */
 %token  EXCLUDE_SYM                   /* SQL-2011-N */
 %token  EXECUTE_SYM                   /* SQL-2003-R */
-%token  EXCEPTION_SYM                 /* SQL-2003-N */
+%token  EXCEPTION_SYM                 /* SQL-2003-N, Oracle-PLSQL-R */
 %token  EXISTS                        /* SQL-2003-R */
 %token  EXIT_SYM
 %token  EXPANSION_SYM

sql/sql_yacc_ora.yy

@@ -482,7 +482,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
 %token  EXCEPT_SYM                    /* SQL-2003-R */
 %token  EXCLUDE_SYM                   /* SQL-2011-N */
 %token  EXECUTE_SYM                   /* SQL-2003-R */
-%token  EXCEPTION_SYM                 /* SQL-2003-N */
+%token  EXCEPTION_SYM                 /* SQL-2003-N, Oracle-PLSQL-R */
 %token  EXISTS                        /* SQL-2003-R */
 %token  EXIT_SYM
 %token  EXPANSION_SYM
@@ -14796,7 +14796,7 @@ keyword_sp:
 
 
 /*
-  Keywords that start a statement.
+  Keywords that start a statement or an SP block section.
   Generally allowed as identifiers (e.g. table, column names)
   - not allowed as SP label names
   - not allowed as variable names in Oracle-style assignments:
@@ -14806,6 +14806,7 @@ keyword_sp_verb_clause:
           BEGIN_SYM             { /* Compound.    Reserved in Oracle */ }
         | CLOSE_SYM             { /* Verb clause. Reserved in Oracle */ }
         | COMMIT_SYM            { /* Verb clause. Reserved in Oracle */ }
+        | EXCEPTION_SYM         { /* EXCEPTION section in SP blocks  */ }
         | DO_SYM                { /* Verb clause                     */ }
         | END                   { /* Compound.    Reserved in Oracle */ }
         | HANDLER_SYM           { /* Verb clause                     */ }