MDEV-25138 JSON_TABLE: A space between JSON_TABLE and opening bracket causes syntax error.

syntax fixed.

mysql-test/suite/json/r/json_table.result

@@ -559,5 +559,19 @@ DROP VIEW v;
 SELECT val, MATCH(val) AGAINST( 'MariaDB') FROM JSON_TABLE('{"db":"xx"}', '$' COLUMNS(val VARCHAR(32) PATH '$**.*')) AS jt;
 ERROR HY000: The storage engine JSON_TABLE function doesn't support FULLTEXT indexes
 #
+# MDEV-25138 JSON_TABLE: A space between JSON_TABLE and opening bracket causes syntax error
+#
+select * from json_table ('{}', '$' COLUMNS(x FOR ORDINALITY)) a;
+x
+1
+create table json_table(id int);
+insert into json_table values (1), (2), (3);
+select * from json_table;
+id
+1
+2
+3
+drop table json_table;
+#
 # End of 10.6 tests
 #

mysql-test/suite/json/r/json_table_mysql.result

@@ -846,11 +846,11 @@ SET jt1.a=1;
 ERROR HY000: The target table jt1 of the UPDATE is not updatable
 DELETE JSON_TABLE(t1.c1,'$[*]' COLUMNS (a INT PATH '$.a')) AS jt1
 FROM t1;
-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 'JSON_TABLE(t1.c1,'$[*]' COLUMNS (a INT PATH '$.a')) AS jt1
+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 '(t1.c1,'$[*]' COLUMNS (a INT PATH '$.a')) AS jt1
 FROM t1' at line 1
 DELETE t1, JSON_TABLE(t1.c1,'$[*]' COLUMNS (a INT PATH '$.a')) AS jt1
 USING t1;
-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 'JSON_TABLE(t1.c1,'$[*]' COLUMNS (a INT PATH '$.a')) AS jt1
+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 '(t1.c1,'$[*]' COLUMNS (a INT PATH '$.a')) AS jt1
 USING t1' at line 1
 DROP TABLE t1;
 #

mysql-test/suite/json/t/json_table.test

@@ -437,6 +437,15 @@ DROP VIEW v;
 --error ER_TABLE_CANT_HANDLE_FT
 SELECT val, MATCH(val) AGAINST( 'MariaDB') FROM JSON_TABLE('{"db":"xx"}', '$' COLUMNS(val VARCHAR(32) PATH '$**.*')) AS jt;
 
+--echo #
+--echo # MDEV-25138 JSON_TABLE: A space between JSON_TABLE and opening bracket causes syntax error
+--echo #
+select * from json_table ('{}', '$' COLUMNS(x FOR ORDINALITY)) a;
+create table json_table(id int);
+insert into json_table values (1), (2), (3);
+select * from json_table;
+drop table json_table;
+
 --echo #
 --echo # End of 10.6 tests
 --echo #

sql/lex.h

@@ -329,6 +329,7 @@ static SYMBOL symbols[] = {
   { "INVOKER",          SYM(INVOKER_SYM)},
   { "JOIN",		SYM(JOIN_SYM)},
   { "JSON",		SYM(JSON_SYM)},
+  { "JSON_TABLE",	SYM(JSON_TABLE_SYM)},
   { "KEY",		SYM(KEY_SYM)},
   { "KEYS",		SYM(KEYS)},
   { "KEY_BLOCK_SIZE",	SYM(KEY_BLOCK_SIZE)},
@@ -762,7 +763,6 @@ static SYMBOL sql_functions[] = {
   { "GROUP_CONCAT",	SYM(GROUP_CONCAT_SYM)},
   { "JSON_ARRAYAGG",	SYM(JSON_ARRAYAGG_SYM)},
   { "JSON_OBJECTAGG",	SYM(JSON_OBJECTAGG_SYM)},
-  { "JSON_TABLE",	SYM(JSON_TABLE_SYM)},
   { "LAG",              SYM(LAG_SYM)},
   { "LEAD",             SYM(LEAD_SYM)},
   { "MAX",		SYM(MAX_SYM)},

sql/sql_yacc.yy

@@ -15914,6 +15914,7 @@ keyword_sp_var_and_label:
         | ISSUER_SYM
         | INSERT_METHOD
         | INVISIBLE_SYM
+        | JSON_TABLE_SYM
         | KEY_BLOCK_SIZE
         | LAST_VALUE
         | LAST_SYM