MDEV-38591: Implement MEMBER OF and NOT MEMBER OF operators

mysql-test/main/func_json.result

@@ -306,6 +306,46 @@ t1	CREATE TABLE `t1` (
   `json_quote('foo')` varchar(38) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
 drop table t1;
+select json_quote(17);
+json_quote(17)
+17
+select json_quote(3.14);
+json_quote(3.14)
+3.14
+select json_quote(1.5e2);
+json_quote(1.5e2)
+150
+select json_quote(NULL);
+json_quote(NULL)
+null
+select isnull(json_quote(NULL));
+isnull(json_quote(NULL))
+0
+select json_quote('hello');
+json_quote('hello')
+"hello"
+select json_quote('"already_quoted"');
+json_quote('"already_quoted"')
+"\"already_quoted\""
+select json_contains(json_quote(NULL), 'null');
+json_contains(json_quote(NULL), 'null')
+1
+create table t1 (a int);
+insert into t1 values (NULL), (5);
+select json_quote(a) from t1 order by a;
+json_quote(a)
+null
+5
+drop table t1;
+select json_quote(NULL) is NULL;
+json_quote(NULL) is NULL
+0
+select json_quote(NULL) = 'null';
+json_quote(NULL) = 'null'
+1
+select coalesce(json_quote(NULL), 'fallback');
+coalesce(json_quote(NULL), 'fallback')
+null
 select json_merge('string');
 ERROR 42000: Incorrect parameter count in the call to native function 'json_merge'
 select json_merge('string', 123);

mysql-test/main/func_json.test

@@ -130,6 +130,37 @@ select * from t1;
 show create table t1;
 drop table t1;
 
+#
+# MDEV-13645 JSON_QUOTE should handle numeric and NULL arguments
+#
+# Integer literal: must return the unquoted number, not SQL NULL
+select json_quote(17);
+# Decimal literal: must return the unquoted decimal, not SQL NULL
+select json_quote(3.14);
+# Double/float literal: must return the unquoted value text, not SQL NULL
+select json_quote(1.5e2);
+# NULL input: must return the JSON null literal as a non-NULL string result
+select json_quote(NULL);
+select isnull(json_quote(NULL));
+# String regression: must still quote and escape exactly as before
+select json_quote('hello');
+select json_quote('"already_quoted"');
+# JSON_QUOTE(NULL) must compose correctly inside another JSON function
+# as the JSON null literal, not break the outer call with SQL NULL
+select json_contains(json_quote(NULL), 'null');
+# Column-sourced NULL: result must match literal NULL case (JSON null literal)
+create table t1 (a int);
+insert into t1 values (NULL), (5);
+select json_quote(a) from t1 order by a;
+drop table t1;
+# SQL-NULL propagation checks: json_quote(NULL) must NOT propagate SQL NULL
+# - IS NULL must return 0 (the string "null" is not SQL NULL)
+select json_quote(NULL) is NULL;
+# - equality with the string 'null' must return 1
+select json_quote(NULL) = 'null';
+# - COALESCE must return 'null', NOT 'fallback' (result is not SQL NULL)
+select coalesce(json_quote(NULL), 'fallback');
+
 --error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
 select json_merge('string');
 select json_merge('string', 123);

mysql-test/main/func_json_notembedded.result

@@ -62,6 +62,8 @@ select json_set(@arr,'$[1000]',1);
 ERROR 70100: Query was interrupted: execution time limit 0.0001 sec exceeded
 select json_valid(@arr);
 ERROR 70100: Query was interrupted: execution time limit 0.0001 sec exceeded
+select 1 member of (@arr);
+ERROR 70100: Query was interrupted: execution time limit 0.0001 sec exceeded
 select ST_AsTEXT(ST_GeomFromGeoJSON(JSON_OBJECT("type", "Point", "coordinates", @arr),2)) as exp;
 ERROR 70100: Query was interrupted: execution time limit 0.0001 sec exceeded
 select @obj IS JSON;

mysql-test/main/func_json_notembedded.test

@@ -44,6 +44,7 @@ select json_replace(@obj,'$.foo',1);
 select json_schema_valid(@obj, '{"type":"object"}');
 select json_set(@arr,'$[1000]',1);
 select json_valid(@arr);
+select 1 member of (@arr);
 select ST_AsTEXT(ST_GeomFromGeoJSON(JSON_OBJECT("type", "Point", "coordinates", @arr),2)) as exp;
 select @obj IS JSON;
 select @arr IS JSON;

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

@@ -2809,7 +2809,7 @@ select json_unquote('"abc"', NULL);
 ERROR 42000: Incorrect parameter count in the call to native function 'json_unquote'
 select json_quote(NULL);
 json_quote(NULL)
-NULL
+null
 select json_unquote(NULL);
 json_unquote(NULL)
 NULL
@@ -2854,11 +2854,9 @@ json_unquote('"')
 "
 Warnings:
 Warning	4037	Unexpected end of JSON text in argument 1 to function 'json_unquote'
-error ER_INCORRECT_TYPE
 select json_quote(123);
 json_quote(123)
-NULL
-error ER_INCORRECT_TYPE
+123
 select json_unquote(123);
 json_unquote(123)
 123
@@ -2939,7 +2937,6 @@ JSON_UNQUOTE( '"abc' )
 "abc
 Warnings:
 Warning	4037	Unexpected end of JSON text in argument 1 to function 'json_unquote'
-error ER_INCORRECT_TYPE
 SELECT JSON_UNQUOTE( 123 );
 JSON_UNQUOTE( 123 )
 123
@@ -2976,10 +2973,9 @@ AS CHAR
 SELECT JSON_QUOTE( 'abc' );
 JSON_QUOTE( 'abc' )
 "abc"
-error ER_INCORRECT_TYPE
 SELECT JSON_QUOTE( 123 );
 JSON_QUOTE( 123 )
-NULL
+123
 SELECT json_compact( JSON_QUOTE( '123' ));
 json_compact( JSON_QUOTE( '123' ))
 "123"