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Name	Size	Permission
json_agg.test	12.57 KB	-rw-r--r--
json_client_innodb.test	479 B	-rw-r--r--
json_client_ndb.test	506 B	-rw-r--r--
json_conversions.test	555.88 KB	-rw-r--r--
json_ddl_innodb.test	476 B	-rw-r--r--
json_ddl_ndb.test	503 B	-rw-r--r--
json_fulltext_innodb.test	521 B	-rw-r--r--
json_functions_innodb-master.o...	22 B	-rw-r--r--
json_functions_innodb.test	482 B	-rw-r--r--
json_functions_ndb-master.opt	22 B	-rw-r--r--
json_functions_ndb.test	509 B	-rw-r--r--
json_gcol_innodb.test	477 B	-rw-r--r--
json_group_concat_innodb.test	1.17 KB	-rw-r--r--
json_group_concat_ndb.test	1.1 KB	-rw-r--r--
json_innodb.test	9.04 KB	-rw-r--r--
json_insert_innodb.test	479 B	-rw-r--r--
json_insert_ndb.test	506 B	-rw-r--r--
json_no_table.test	75.48 KB	-rw-r--r--

Code Editor : json_no_table.test

########### suite/json/t/json_notable.test                           #
# Tests json columns functionality that does not need any tables     #
#   to be defined (no storage engine functionality)                  #
#                                                                    #
# This test copies some tests originally in json.test                #
######################################################################

# Some extra checks for comparisons between positive and negative zero.
# All should be equal.
SELECT CAST(0.0e0 AS JSON) = -0.0e0;
SELECT CAST(CAST(0 AS DECIMAL) AS JSON) = CAST(-0.0e0 AS DECIMAL);
SELECT CAST(0.0e0 AS JSON) = CAST(-0.0e0 AS DECIMAL);
SELECT CAST(CAST(0 AS DECIMAL) AS JSON) = -0.0e0;
SELECT CAST(CAST(0 AS SIGNED) AS JSON) = -0.0e0;
SELECT CAST(CAST(0 AS SIGNED) AS JSON) = CAST(-0.0e0 AS DECIMAL);
SELECT CAST(CAST(0 AS UNSIGNED) AS JSON) = -0.0e0;
SELECT CAST(CAST(0 AS UNSIGNED) AS JSON) = CAST(-0.0e0 AS DECIMAL);

# Test that CAST string argument isn't treated as ANY_JSON_ATOM
# in that a MySQL string needs to be parsed to JSON here; it is not
# auto-converted to a JSON string as in ANY_JSON_ATOM contexts.
select cast('"abc"' as json);
--error ER_INVALID_JSON_TEXT_IN_PARAM
select cast('abc' as json);

--echo
--echo # String literal - valid JSON
select JSON_VALID('123');             # uint
select JSON_VALID('-123');            # int
select JSON_VALID('5000000000');      # uint64
select JSON_VALID('-5000000000');     # int64
select JSON_VALID('1.23');            # double
select JSON_VALID('"123"');
select JSON_VALID('true');
select JSON_VALID('false');
select JSON_VALID('null');
select JSON_VALID('{"address": "Trondheim"}');

--echo
--echo # String literal - not valid JSON
select JSON_VALID('12 3');

--echo
--echo # String literal not in UTF-8
set names 'ascii';
# auto-convert to utf-8
select JSON_VALID('123');

set names 'utf8';

--echo
--echo # Json expression
select JSON_VALID(cast('[123]' as JSON ));

--echo
--echo # Json expression NULL
select JSON_VALID(cast(NULL as JSON ));

--echo
--echo # Bare NULL
select JSON_VALID( NULL );

--echo
--echo # Function result - string
select JSON_VALID( UPPER('"abc"') );

set names 'latin1';
--echo
--echo # Function result - string
# auto-convert to utf-8
select JSON_VALID( UPPER('"abc"') );

set names 'utf8';

--echo
--echo # Function result - date, not valid as JSON without CAST
select JSON_VALID( CAST('2015-01-15' AS DATE) );

--echo
--echo # The date string doesn't parse as JSON text, so wrong:
select JSON_VALID( CAST(CAST('2015-01-15' AS DATE) as CHAR CHARACTER SET 'utf8') );
--echo # OK, though:
select JSON_VALID( CAST(CURDATE() as JSON) );

--echo
--echo # Function result - NULL
select JSON_VALID( UPPER(NULL) );
select JSON_VALID( UPPER(CAST(NULL as CHAR)) );

# examples from wl7909 spec
# returns 1
SELECT JSON_VALID( '{ "firstName" : "Fred", "lastName" : "Flintstone" }' );

# returns 1
SELECT JSON_VALID( '3' );

# returns NULL as IS JSON would
SELECT JSON_VALID( null );

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_CONTAINS_PATH function.
--echo # ----------------------------------------------------------------------

--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_contains_path();
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_contains_path('{ "a": true }' );
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_contains_path('{ "a": true }', 'all' );
--error ER_INVALID_JSON_TEXT_IN_PARAM
select json_contains_path('{ "a": tru }', 'all', '$' );
--error ER_INVALID_JSON_PATH
select json_contains_path('{ "a": true }', 'all', '$[' );
--error ER_INVALID_JSON_PATH
select json_contains_path('{ "a": true }', 'all', '$a.***[3]' );
--error ER_JSON_BAD_ONE_OR_ALL_ARG
select json_contains_path('{ "a": true }', 'foo', '$.a' );
--error ER_INVALID_JSON_CHARSET
select json_contains_path('{}', 'all', cast('$' as binary));

select json_contains_path(null, 'all', '$.a' );
select json_contains_path('{ "a": true }', null, '$.a' );
select json_contains_path('{ "a": true }', 'all', null );

# degenerate path
select json_contains_path('{ "a": true }', 'all', '$' );

# positive, one path
select json_contains_path('{ "a": true }', 'all', '$.a' );
select json_contains_path('{ "a": true }', 'one', '$.a' );

# negative, one path
select json_contains_path('{ "a": true }', 'all', '$.b' );
select json_contains_path('{ "a": true }', 'one', '$.b' );

# all
select json_contains_path('{ "a": true }', 'all', '$.a', '$.b' );
select json_contains_path('{ "a": true }', 'all', '$.b', '$.a' );
select json_contains_path('{ "a": true }', 'ALL', '$.a', '$.b' );
select json_contains_path('{ "a": true }', 'aLl', '$.a', '$.b' );

# some
select json_contains_path('{ "a": true }', 'one', '$.a', '$.b' );
select json_contains_path('{ "a": true }', 'one', '$.b', '$.a' );
select json_contains_path('{ "a": true }', 'ONE', '$.a', '$.b' );
select json_contains_path('{ "a": true }', 'oNe', '$.a', '$.b' );

# some wildcards
select json_contains_path('{ "a": true, "b": [ 1, 2, { "c": [ 4, 5, { "d": [ 6, 7, 8, 9, 10 ]} ] } ] }', 'all', '$**[4]' );
select json_contains_path('{ "a": true, "b": [ 1, 2, { "c": [ 4, 5, { "d": [ 6, 7, 8, 9, 10 ]} ] } ] }', 'all', '$**[4]', '$**[5]' );
select json_contains_path('{ "a": true, "b": [ 1, 2, { "c": [ 4, 5, { "d": [ 6, 7, 8, 9, 10 ]} ] } ] }', 'all', '$**.c[2]' );
select json_contains_path('{ "a": true, "b": [ 1, 2, { "c": [ 4, 5, { "d": [ 6, 7, 8, 9, 10 ]} ] } ] }', 'all', '$**.c[3]' );
select json_contains_path('{"a":1, "b":2}', 'one', '$.*');
select json_contains_path('[1,2,3]', 'one', '$.*');
select json_contains_path('{}', 'one', '$[*]');

# combine ellipsis and wildcard
SELECT JSON_CONTAINS_PATH('[1, [[{"x": [{"a":{"b":{"c":42}}}]}]]]',
                          'one', '$**.a.*');
SELECT JSON_CONTAINS_PATH('[1, [[{"x": [{"a":{"b":{"c":42}}}]}]]]',
                          'all', '$**.a.*');
SELECT JSON_CONTAINS_PATH('[1,2,3]', 'one', '$**[*]');
SELECT JSON_CONTAINS_PATH('[1,2,3]', 'all', '$**[*]');

# 3 paths
select json_contains_path('{ "a": true, "b": [ 1, 2 ] }', 'all', '$**[1]', '$.b[0]', '$.c' );
select json_contains_path('{ "a": true, "b": [ 1, 2 ] }', 'all', '$.c', '$**[1]', '$.b[0]' );
select json_contains_path('{ "a": true, "b": [ 1, 2 ] }', 'all', '$.b[0]', '$.c', '$**[1]' );
select json_contains_path('{ "a": true, "b": [ 1, 2 ] }', 'one', '$**[1]', '$.b[0]', '$.c' );
select json_contains_path('{ "a": true, "b": [ 1, 2 ] }', 'one', '$.c', '$**[1]', '$.b[0]' );
select json_contains_path('{ "a": true, "b": [ 1, 2 ] }', 'one', '$.b[0]', '$.c', '$**[1]' );

# examples from the wl7909 spec
# returns 0 because there is no element at $.a.c
SELECT JSON_CONTAINS_PATH
(
  '{ "a" : 123, "b" : [ 123, 456 ] }',
  'all',
  '$.a.c',
  '$.b[1]'
);

# returns 1 because there is an element at $.b[1]
SELECT JSON_CONTAINS_PATH
(
  '{ "a" : 123, "b" : [ 123, 456 ] }',
  'one',
  '$.a.c',
  '$.b[1]'
);

# returns 0 because there is no element at the given path
SELECT JSON_CONTAINS_PATH
(
  '{ "a" : 123, "b" : [ 123, 456 ] }',
  'all',
  '$.c'
);

# returns 1 because there is an element at $.b[1].c.d
SELECT JSON_CONTAINS_PATH
(
  '{ "a" : 123, "b" : [ 123, { "c" : { "d" : true } } ] }',
  'all',
  '$.b[1].c.d'
);

select json_length( null );
select json_length( '1' );
--echo
--echo # invalid json text
--error ER_INVALID_JSON_TEXT_IN_PARAM
select json_length( 'abc' );
select json_length( '"abc"' );
select json_length( 'true' );
select json_length( 'false' );
select json_length( 'null' );

select json_length( '{}' );
select json_length( '{ "a" : 100, "b" : 200 }' );
select json_length( '{ "a" : 100, "b" : [ 300, 400, 500 ] }' );
select json_length( '[]' );
select json_length( '[ null, "foo", true, 1.1 ]' );
select json_length( '[ null, "foo", true, { "a" : "b", "c" : "d" } ]' );
select json_length( '"foo"' );
select json_length( '1.2' );

# bad path expressions
--echo
--echo # invalid json path
--error ER_INVALID_JSON_PATH
select json_length( 'true', 'c$' );
--echo
--echo # invalid json path
--error ER_INVALID_JSON_PATH
select json_length( '{ "foo" : [ true, false ] }', '$.foo[bar]' );
--echo
--echo # wildcards not allowed in path expressions for this function
--error ER_INVALID_JSON_PATH_WILDCARD
select json_length( 'true', '$.*' );
--echo
--echo # wildcards not allowed in path expressions for this function
--error ER_INVALID_JSON_PATH_WILDCARD
select json_length( 'true', '$.foo**.bar' );

# json_length() with non-vacuous path expressions

# 1
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[0]' );
# 3
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[1]' );
# 1
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2]' );
# auto-wrapping: 1
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0]' ); # auto-wrap scalar
select json_length( '[ 1, [ 2, 3, 4 ], {"a": 1} ]', '$[2][0]' ); # ditto object

# non-existent path: null
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][1]' );
# 3
select json_length( '[ 1, { "a": true, "b": false, "c": null }, 5 ]', '$[1]' );

# examples from the wl7909 spec
# returns 0
SELECT JSON_LENGTH
(
  '{}'
);

# returns 1
SELECT JSON_LENGTH
(
  '3'
);

# returns 2
SELECT JSON_LENGTH
(
  '{ "a" : 123, "b" : [ 123, 456, 789 ] }'
);

# returns 3
SELECT JSON_LENGTH
(
  '{ "a" : 123, "b" : [ 123, 456, 789 ] }',
  '$.b'
);

# returns null because the path does not exist
SELECT JSON_LENGTH
(
  '{ "a" : 123, "b" : [ 123, 456, 789 ] }',
  '$.c'
);

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_DEPTH function.
--echo # ----------------------------------------------------------------------
select json_depth(null);
select json_depth(cast(null as json));
#select i, json_depth(j) from t1;
select json_depth(cast('[]' as json)),
       json_depth(cast('{}' as json)),
       json_depth(cast('null' as json)),
       json_depth(json_quote('foo'));
select json_depth(cast('[[2], 3, [[[4]]]]' as json));
select json_depth(cast('{"a": {"a1": [3]}, "b": {"b1": {"c": {"d": [5]}}}}' as json));

# examples from the wl7909 spec
# returns 1
SELECT JSON_DEPTH
(
  '{}'
);

# returns 1
SELECT JSON_DEPTH
(
  '[]'
);

# returns 1
SELECT JSON_DEPTH( '"abc"' );

# returns 1
SELECT JSON_DEPTH( CAST( '"abc"' AS JSON ) );

--error ER_INVALID_TYPE_FOR_JSON
SELECT JSON_DEPTH( 1 );

--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_DEPTH( 'abc' );

# returns 1
SELECT JSON_DEPTH( CAST( 1 AS JSON ) );

# returns 2
SELECT JSON_DEPTH
(
  '{ "a" : true, "b" : false, "c" : null }'
);

# returns 2
SELECT JSON_DEPTH
(
  '[ "a", true, "b" , false, "c" , null ]'
);

# returns 2
SELECT JSON_DEPTH
(
  '{ "a" : true, "b" : {}, "c" : null }'
);

# returns 2
SELECT JSON_DEPTH
(
  '[ "a", true, "b" , {}, "c" , null ]'
);

# returns 3
SELECT JSON_DEPTH
(
  '{ "a" : true, "b" : { "e" : false }, "c" : null }'
);

# returns 3
SELECT JSON_DEPTH
(
  '[ "a", true, "b" , { "e" : false }, "c" , null ]'
);

--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_DEPTH
(
  '[ "a", true, "b" , { "e" : false }, "c" , null'
);

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_REMOVE function.
--echo # ----------------------------------------------------------------------

# null args
select json_remove( null, '$[1]' );
select json_remove( null, '$[1]' ) is null;
select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ]', null );
select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ]', null ) is null;
select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ]', '$[1]', null );
select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ]', '$[1]', null ) is null;

# too few args

--echo
--echo # not enough args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_remove();
--echo
--echo # not enough args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ]' );
--echo
--echo # not enough args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_remove( '$[1]' );

# malformed args
--echo
--echo # invalid json text
--error ER_INVALID_JSON_TEXT_IN_PARAM
select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ', '$[1]', '$[2]' );
--echo
--echo # invalid json path
--error ER_INVALID_JSON_PATH
select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ]', '$[1', '$[2]' );
--echo
--echo # invalid json path
--error ER_INVALID_JSON_PATH
select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ]', '$[1]', '$[2' );
--echo
--echo # Vacuous path expression
--error ER_JSON_VACUOUS_PATH
select json_remove( '[ 1, 2, 3 ]', '$' );
--echo
--echo # Vacuous path expression
--error ER_JSON_VACUOUS_PATH
select json_remove( '[ 1, 2, 3 ]', '$', '$[2]' );
--echo
--echo # Vacuous path expression
--error ER_JSON_VACUOUS_PATH
select json_remove( '[ 1, 2, 3 ]', '$[1]', '$' );

# wildcard/ellipsis not allowed in paths
--error ER_INVALID_JSON_PATH_WILDCARD
select json_remove( '[ 1, 2, 3 ]', '$[*]' );
--error ER_INVALID_JSON_PATH_WILDCARD
select json_remove( '[ 1, 2, 3 ]', '$**[2]' );
--error ER_INVALID_JSON_PATH_WILDCARD
select json_remove( '[ 1, 2, 3 ]', '$[2]', '$[*]' );
--error ER_INVALID_JSON_PATH_WILDCARD
select json_remove( '[ 1, 2, 3 ]', '$[2]', '$**[2]' );

# simple matches

select json_remove( '[ 1, 2, 3 ]', '$[0]' );
select json_remove( '[ 1, 2, 3 ]', '$[1]' );
select json_remove( '[ 1, 2, 3 ]', '$[2]' );
select json_remove( '[ 1, 2, 3 ]', '$[3]' );
select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ]', '$[1]' );

# one match nested inside another
--error ER_INVALID_JSON_PATH_WILDCARD
select json_remove( '[ { "a": { "a": true } } ]', '$**.a' );

# multiple paths
select json_remove( '[ { "a": true }, { "b": false }, { "c": null }, { "a": null } ]', '$[0].a', '$[2].c' );

# ellipsis with matches at different levels
--error ER_INVALID_JSON_PATH_WILDCARD
select json_remove( '[ { "a": true }, { "b": [ { "c": { "a": true } }  ] }, { "c": null }, { "a": null } ]', '$**.a' );

# nonsense path
select json_remove( '{"id": 123, "name": "systemQA", "array": [1, 2, 3]}', '$[0]' );

# examples from wl7909 spec
# returns the document {"a": "foo", "b": [true]}
SELECT JSON_REMOVE
(
  '{"a" : "foo", "b" : [true, {"c" : 123}]}',
  '$.b[ 1 ]'
);

# returns {"a": "foo", "b": [true, {}]} due to normalization
SELECT JSON_REMOVE
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123, "c" : 456 } ] }',
  '$.b[ 1 ].c'
);

# returns {"a": "foo", "b": [true, {}]}
SELECT JSON_REMOVE
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
  '$.b[ 1 ].c'
);

# returns the original document because the path doesn't identify an element
SELECT JSON_REMOVE
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123, "d" : 456 } ] }',
  '$.b[ 1 ].e'
);

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_MERGE_PRESERVE function.
--echo # ----------------------------------------------------------------------

--echo
--echo # not enough args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT JSON_MERGE_PRESERVE();
--echo
--echo # not enough args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT JSON_MERGE_PRESERVE('[ 1, 2, 3 ]');

# null args result in NULL value
SELECT JSON_MERGE_PRESERVE(NULL, NULL);
SELECT JSON_MERGE_PRESERVE(NULL, '[ 1, 2, 3 ]');
SELECT JSON_MERGE_PRESERVE('[ 1, 2, 3 ]', NULL);
SELECT JSON_MERGE_PRESERVE(NULL, '[ 1, 2, 3 ]', '[ 4, 5, 6 ]');
SELECT JSON_MERGE_PRESERVE('[ 1, 2, 3 ]', NULL, '[ 4, 5, 6 ]');
SELECT JSON_MERGE_PRESERVE('[ 1, 2, 3 ]', '[ 4, 5, 6 ]', NULL);

--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_MERGE_PRESERVE('[1, 2]', '[3, 4');
--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_MERGE_PRESERVE('[1, 2', '[3, 4]');

# good json_merge_preserve() expressions
SELECT JSON_MERGE_PRESERVE('1', '2');
SELECT JSON_MERGE_PRESERVE('1', '[2, 3]');
SELECT JSON_MERGE_PRESERVE('[1, 2]', '3');
SELECT JSON_MERGE_PRESERVE('1', '{ "a": 2 }');
SELECT JSON_MERGE_PRESERVE('{ "a": 2 }', '1');
SELECT JSON_MERGE_PRESERVE('[1, 2]', '[3, 4]');
SELECT JSON_MERGE_PRESERVE('{ "a": 2 }', '{ "b": 3}');
SELECT JSON_MERGE_PRESERVE('[1, 2]', '{ "a": 2 }');
SELECT JSON_MERGE_PRESERVE('{ "a": 2 }', '[1, 2]');

SELECT JSON_MERGE_PRESERVE('{"a": 1, "b": 2 }',
                           '{"b": 3, "d": 4 }');
SELECT JSON_MERGE_PRESERVE('{"a": 1, "b": 2 }',
                           '{"b": [3, 4], "d": 4 }');
SELECT JSON_MERGE_PRESERVE('{"a": 1, "b": [2, 3] }', '{"b": 4, "d": 4 }');
SELECT JSON_MERGE_PRESERVE('{"a": 1, "b": 2 }',
                           '{"b": {"e": 7, "f": 8}, "d": 4 }');
SELECT JSON_MERGE_PRESERVE('{"b": {"e": 7, "f": 8}, "d": 4 }',
                           '{"a": 1, "b": 2 }');
SELECT JSON_MERGE_PRESERVE('{"a": 1, "b": [2, 9] }',
                           '{"b": [10, 11], "d": 4 }');
SELECT JSON_MERGE_PRESERVE('{"a": 1, "b": [2, 9] }',
                           '{"b": {"e": 7, "f": 8}, "d": 4 }');
SELECT JSON_MERGE_PRESERVE('{"b": {"e": 7, "f": 8}, "d": 4 }',
                           '{"a": 1, "b": [2, 9] }');
SELECT JSON_MERGE_PRESERVE('{"b": {"e": 7, "f": 8}, "d": 4 }',
                           '{ "a": 1, "b": {"e": 20, "g": 21 } }');

SELECT JSON_MERGE_PRESERVE('1', '2', '3');
SELECT JSON_MERGE_PRESERVE('[1, 2 ]', '3', '[4, 5]');
SELECT JSON_MERGE_PRESERVE
(
  '{ "a": true, "b": { "c": 3, "d": 4 }, "e": [ 1, 2 ] }',
  '{ "d": false, "b": { "g": 3, "d": 5 }, "f": [ 1, 2 ] }',
  '{ "m": true, "b": { "h": 8, "d": 4 }, "e": [ 3, 4 ] }'
);

# examples from the wl7909 spec
# returns [{"a": "foo", "b": [true, {"c": 123}]}, 5, 6]
SELECT JSON_MERGE_PRESERVE
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
  '[ 5, 6]'
);

# returns {"a": "foo", "b": [true, {"c": 123}, false, 34]}
SELECT JSON_MERGE_PRESERVE
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
  '{ "b": [ false, 34 ] }'
);

# returns {"a": "foo", "b": [true, {"c": 123}, "bar"]}
SELECT JSON_MERGE_PRESERVE
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
  '{ "b": "bar" }'
);

# returns {"a": {"b": 1, "c": 1}}
SELECT JSON_MERGE_PRESERVE
(
  '{ "a" : { "b" : 1 } }',
  '{ "a" : { "c" : 1 } }'
);

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_TYPE function.
--echo # ----------------------------------------------------------------------

# negative test
--error ER_INVALID_JSON_TEXT_IN_PARAM
select json_type('abc');

#select i, json_type(j) from t1;
select json_type('{"a": 2}');
select json_type('[1,2]');
select json_type('"scalar string"');
select json_type('true');
select json_type('false');
select json_type('null');
select json_type('1');
select json_type('-0');
select json_type('-0.0');
--error ER_INVALID_TYPE_FOR_JSON
select json_type(-1);
--error ER_INVALID_TYPE_FOR_JSON
select json_type(CAST(1 AS UNSIGNED));
select json_type('32767');
--error ER_INVALID_TYPE_FOR_JSON
select json_type(PI());
select json_type('3.14');

--error ER_INVALID_JSON_TEXT_IN_PARAM
select json_type(CAST(CAST('2015-01-15' AS DATE) as CHAR CHARACTER SET 'utf8'));

--echo # ----------------------------------------------------------------------
--echo # Test of CAST(literal AS JSON)
--echo # ----------------------------------------------------------------------
select json_type(cast(cast('2014-11-25 18:00' as datetime) as json));
select json_type(cast(cast('2014-11-25' as date) as json));
select json_type(cast(cast('18:00:59' as time) as json));
# select json_type(cast(cast('2014-11-25 18:00' as timestamp) as json)); -- cast target type not supported

# select json_type(cast(cast('1999' as year) as json)); -- cast target type not supported
select json_type(cast(127 as json));
select json_type(cast(255 as json));
select json_type(cast(32767 as json));
select json_type(cast(65535 as json));
select json_type(cast(8388607 as json));
select json_type(cast(16777215 as json));
select json_type(cast(2147483647 as json));
select json_type(cast(4294967295 as json));
select json_type(cast(9223372036854775807 as json));
select json_type(cast(18446744073709551615 as json));
select json_type(cast(true as json));
select json_type(cast(b'10101' as json));

select json_type(cast(cast(3.14 as decimal(5,2)) as json));
select json_type(cast(3.14 as json));
select json_type(cast(3.14E30 as json));
# select json_type(cast(cast(3.14 as numeral(5,2)) as json)); -- cast target type not supported

# select json_type(cast(cast(3.14 as double) as json)); -- cast target type not supported
# select json_type(cast(cast(3.14 as float) as json)); -- cast target type not supported

# select json_type(cast(cast(b'10101' as bit(10)) as json));  -- cast target type not supported
# select json_type(cast(cast('10101abcde' as blob) as json)); -- cast target type not supported
select json_type(cast(cast('10101abcde' as binary) as json));

# select json_type(cast(cast('a' as enum('a','b','c')) as json)); -- cast target type not supported
# select json_type(cast(cast('a,c' as set('a','b','c')) as json)); -- cast target type not supported

select json_type(cast(ST_GeomFromText('POINT(1 1)') as json));
select json_type(cast(ST_GeomFromText('LINESTRING(0 0,1 1,2 2)') as json));
select json_type(cast(ST_GeomFromText('POLYGON((0 0,10 0,10 10,0 10,0 0),
                                     (5 5,7 5,7 7,5 7, 5 5))') as json));
select json_type(cast(null as json));
select json_type(cast(null as json)) is null; # check that it is an SQL NULL
select json_type(null) is null;               # is an SQL NULL

#
# same, but now show the printable value:
#
select cast(cast('2014-11-25 18:00' as datetime) as json);
select cast(cast('2014-11-25' as date) as json);
select cast(cast('18:00:59' as time) as json);
# select cast(cast('2014-11-25 18:00' as timestamp) as json); -- cast target type not supported

# select cast(cast('1999' as year) as json); -- cast target type not supported
select cast(127 as json);
select cast(255 as json);
select cast(32767 as json);
select cast(65535 as json);
select cast(8388607 as json);
select cast(16777215 as json);
select cast(2147483647 as json);
select cast(4294967295 as json);
select cast(9223372036854775807 as json);
select cast(18446744073709551615 as json);
select cast(true as json);
select cast(b'10101' as json);

select cast(cast(3.14 as decimal(5,2)) as json);
select cast(3.14 as json);
select cast(3.14e0 as json);
# select cast(cast(3.14 as numeral(5,2)) as json); -- cast target type not supported

# select cast(cast(3.14 as double) as json); -- cast target type not supported
# select cast(cast(3.14 as float) as json); -- cast target type not supported

# select cast(cast(b'10101' as bit(10) as json);  -- cast target type not supported
# select cast(cast('10101abcde' as blob) as json); -- cast target type not supported
select cast(cast('10101abcde' as binary) as json);

# select cast(cast('a' as enum('a','b','c') as json); -- cast target type not supported
# select cast(cast('a,c' as set('a','b','c') as json); -- cast target type not supported

select cast(ST_GeomFromText('POINT(1 1)') as json);
select cast(ST_GeomFromText('LINESTRING(0 0,1 1,2 2)') as json);
select cast(ST_GeomFromText('POLYGON((0 0,10 0,10 10,0 10,0 0),
                                     (5 5,7 5,7 7,5 7, 5 5))') as json);
select cast(null as json);
select cast(null as json) is null; # check that it is an SQL NULL

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_KEYS function.
--echo # ----------------------------------------------------------------------
# should all give NULL:
select json_keys(NULL);
select json_keys(NULL, '$.b');
select json_keys(NULL, NULL);
select json_keys('{"a": 1, "b": {"e": "foo", "b": 3}}', '$.a');
select json_keys('{"a": 1, "b": {"e": "foo", "b": 3}}', NULL);

# non NULL results
select json_keys('{"a": 1, "b": {"e": "foo", "b": 3}}');
select json_keys('{"a": 1, "b": {"e": "foo", "b": 3}}', '$.b');

--error ER_INVALID_JSON_PATH_WILDCARD
select json_keys('{"a": 1, "b": {"e": "foo", "b": 3}}', '$.*.b');

# Examples from the specification
--echo # returns [ "a", "b" ]
SELECT JSON_KEYS('{ "a" : "foo", "b" : [ true, { "c" : "123" } ] }');

--echo # returns []
SELECT JSON_KEYS('{ "a" : "foo", "b" : [ true, { "c" : {} } ] }',
                '$.b[1].c');

--echo # returns NULL
SELECT JSON_KEYS('{ "a" : "foo", "b" : [ true, { "c" : {} } ] }',
                '$.a.b[2]');

--error ER_INVALID_JSON_PATH
SELECT JSON_KEYS('{"a":1}', '1010');
--error ER_INVALID_JSON_PATH
SELECT JSON_KEYS('{"a":1}', '1010') IS NULL;

# examples from the wl7909 spec
# returns [ "a", "b" ]
SELECT JSON_KEYS
(
  '{ "a" : "foo", "b" : [ true, { "c" : "123" } ] }'
);

# returns []
SELECT JSON_KEYS
(
  '{ "a" : "foo", "b" : [ true, { "c" : {} } ] }',
  '$.b[1].c'
);

# returns NULL
SELECT JSON_KEYS
(
  '{ "a" : "foo", "b" : [ true, { "c" : {} } ] }',
  '$.a.b[2]'
);

--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT JSON_KEYS();
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT JSON_KEYS('{}', '$', '$');

--echo # ----------------------------------------------------------------------
--echo # CAST(<json> AS CHAR). See also 'json_conversions.test' for other
--echo # conversion tests.
--echo # ----------------------------------------------------------------------
select cast(json_keys('{"a": 1}') as char);
select cast(cast(1 as json) as char);
select cast(json_keys(NULL) as char);
#select cast(j as char) from keys1;

--echo # ----------------------------------------------------------------------
--echo # Path matching with double-quotes
--echo # ----------------------------------------------------------------------

# matches
select json_extract( '{ "one potato" : 1 }', '$."one potato"' );
# matches
select json_extract( '{ "a.b" : 1 }', '$."a.b"' );

# doesn't match
select json_extract( '{ "\\"a\\"": 1}', '$."a"' );
# matches
select json_extract( '{ "\\"a\\"": 1}', '$."\\"a\\""' );
# matches
select json_extract( '{ "a": 1}', '$."a"' );
# matches
select json_extract( '{ "a": 1}', '$.a' );

# examples from functional spec section on Path Syntax

# [3, 2]
select json_extract( '{ "a": [ [ 3, 2 ], [ { "c" : "d" }, 1 ] ], "b": { "c" : 6 }, "one potato": 7, "b.c" : 8 }', '$.a[0]' );
# 2
select json_extract( '{ "a": [ [ 3, 2 ], [ { "c" : "d" }, 1 ] ], "b": { "c" : 6 }, "one potato": 7, "b.c" : 8 }', '$.a[0][1]' );
# [ { "c": "d" }, 1 ]
select json_extract( '{ "a": [ [ 3, 2 ], [ { "c" : "d" }, 1 ] ], "b": { "c" : 6 }, "one potato": 7, "b.c" : 8 }', '$.a[1]' );
# { "c": "d" }
select json_extract( '{ "a": [ [ 3, 2 ], [ { "c" : "d" }, 1 ] ], "b": { "c" : 6 }, "one potato": 7, "b.c" : 8 }', '$.a[1][0]' );
# "d"
select json_extract( '{ "a": [ [ 3, 2 ], [ { "c" : "d" }, 1 ] ], "b": { "c" : 6 }, "one potato": 7, "b.c" : 8 }', '$.a[1][0].c' );
# 7
select json_extract( '{ "a": [ [ 3, 2 ], [ { "c" : "d" }, 1 ] ], "b": { "c" : 6 }, "one potato": 7, "b.c" : 8 }', '$."one potato"' );
# 6
select json_extract( '{ "a": [ [ 3, 2 ], [ { "c" : "d" }, 1 ] ], "b": { "c" : 6 }, "one potato": 7, "b.c" : 8 }', '$.b.c' );
# 8
select json_extract( '{ "a": [ [ 3, 2 ], [ { "c" : "d" }, 1 ] ], "b": { "c" : 6 }, "one potato": 7, "b.c" : 8 }', '$."b.c"' );

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_EXTRACT function.
--echo # ----------------------------------------------------------------------

# errors
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_extract(NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_extract('$.b');
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_extract('{"a": 1, "b": {"e": "foo", "b": 3}}');

# Confused argument order
--error ER_INVALID_JSON_TEXT_IN_PARAM
select json_extract('$.a', '{"a": 1, "b": {"e": "foo", "b": 3}}');

# NULLs
select json_extract(NULL, '$.b');
select json_extract(NULL, NULL);

# non-NULLs
select json_extract('{"a": 1, "b": {"e": "foo", "b": 3}}', '$.a');
select json_extract('{"a": 1, "b": {"e": "foo", "b": 3}}', '$.*');
select json_extract('{"a": 1, "b": {"e": "foo", "b": 3}}', '$.a', '$.b.e');
select json_extract('{"a": 1, "b": [1,2,3]}', '$.b[2]');
# one path is NULL
select json_extract('{"a": 1, "b": {"e": "foo", "b": 3}}', '$.a', NULL);

# Examples from the specification
--echo # returns a JSON value containing just the string "123"
SELECT JSON_EXTRACT('{ "a" : "foo", "b" : [ true, { "c" : "123" } ] }',
                   '$.b[ 1 ].c');

--echo # returns a JSON value containing just the number 123
SELECT JSON_EXTRACT('{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
                   '$.b[ 1 ].c');

--echo # raises an error because the document is not valid
--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_EXTRACT('{ "a" : [ }',
                   '$.b[ 1 ].c');

--echo # raises an error because the path is invalid
--error ER_INVALID_JSON_PATH
SELECT JSON_EXTRACT('{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
                   '$.b[ 1 ].');

--echo # returns a JSON value containing the number 123 (because of
--echo # auto-wrapping the scalar)
SELECT JSON_EXTRACT('{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
                   '$.b[ 1 ].c[ 0 ]');
--echo # returns a JSON value containing the object because of auto-wrapping
SELECT JSON_EXTRACT('{ "a" : "foo", "b" : [ true, { "c" : {"not array": 4} } ] }',
                   '$.b[ 1 ].c[ 0 ]');

--echo # returns null because the path, although valid, does not identify a value
SELECT JSON_EXTRACT('{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
                   '$.b[ 1 ].c[ 1 ]');

--echo # returns a JSON value containing the number 123 (due to normalization)
SELECT JSON_EXTRACT('{ "a" : "foo", "b" : [ true, { "c" : 123, "c" : 456 } ] }',
                   '$.b[ 1 ].c');

--echo # returns a JSON array [ "foo", true ]
SELECT JSON_EXTRACT('{ "a" : "foo", "b" : [ true, { "c" : 123, "c" : 456 } ] }',
                   '$.a', '$.b[0]');

--echo # returns a JSON array [ true ]
SELECT JSON_EXTRACT('{ "a" : "foo", "b" : [ true, { "c" : 123, "c" : 456 } ] }',
                   '$.d', '$.b[0]');

# some examples verifying ellipsis behavior

# should have same result
select json_extract( '[1]', '$[0][0]' );
select json_extract( '[1]', '$**[0]' );

# should have same result
select json_extract( '{ "a": 1 }', '$.a[0]' );
select json_extract( '{ "a": 1 }', '$**[0]' );

# should have same result
select json_extract( '{ "a": 1 }', '$[0].a' );
select json_extract( '{ "a": 1 }', '$**.a' );

# should have same result
select json_extract( '{ "a": 1 }', '$[0].a[0]' );
select json_extract( '{ "a": 1 }', '$**[0]' );

# should have the same result
select json_extract( '{ "a": 1 }', '$[0].a' );
select json_extract( '{ "a": 1 }', '$**.a' );
select json_extract( '{ "a": 1 }', '$[0][0].a' );
select json_extract( '{ "a": 1 }', '$[0][0][0].a' );

# should have the same result
SELECT JSON_EXTRACT('[1, [[{"x": [{"a":{"b":{"c":42}}}]}]]]', '$**.a.*');
SELECT JSON_EXTRACT('[1, [[{"x": [{"a":{"b":{"c":42}}}]}]]]',
                    '$[1][0][0].x[0].a.*');

# examples from the wl7909 spec
# returns a JSON value containing just the string "123"
SELECT JSON_EXTRACT
(
  '{ "a" : "foo", "b" : [ true, { "c" : "123" } ] }',
  '$.b[ 1 ].c'
);

# returns a JSON value containing just the number 123
SELECT JSON_EXTRACT
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
  '$.b[ 1 ].c'
);

--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_EXTRACT
(
  '{ "a" : [ }',
  '$.b[ 1 ].c'
);

--error ER_INVALID_JSON_PATH
SELECT JSON_EXTRACT
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
  '$.b[ 1 ].'
);

# returns a JSON value containing the number 123 (because of auto-wrapping)
SELECT JSON_EXTRACT
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
  '$.b[ 1 ].c[ 0 ]'
);

# returns null because the path, although valid, does not identify a value
SELECT JSON_EXTRACT
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123 } ] }',
  '$.b[ 1 ].c[ 1 ]'
);

# returns a JSON value containing the number 123 (due to normalization)
SELECT JSON_EXTRACT
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123, "c" : 456 } ] }',
  '$.b[ 1 ].c'
);

# returns a JSON array ["foo", true]
SELECT JSON_EXTRACT
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123, "c" : 456 } ] }',
  '$.a', '$.b[0]'
);

# returns a the 'true' literal
SELECT JSON_EXTRACT
(
  '{ "a" : "foo", "b" : [ true, { "c" : 123, "c" : 456 } ] }',
  '$.d', '$.b[0]'
);

# should return NULL
select json_extract( '[ { "a": 1 }, { "a": 2 } ]', '$[*].b' ) jdoc;

# should return NULL
select json_extract( '[ { "a": 1 }, { "a": 2 } ]', '$[0].b' ) jdoc;

# should return 1
select json_extract( '[ { "a": 1 }, { "a": 2 } ]', '$[0].a' ) jdoc;

# should return [1, 2]
select json_extract( '[ { "a": 1 }, { "a": 2 } ]', '$[*].a' ) jdoc;

# should return [1]
select json_extract( '[ { "a": 1 }, { "b": 2 } ]', '$[*].a' ) jdoc;

# should return [3, 4]
select json_extract( '[ { "a": [3,4] }, { "b": 2 } ]', '$[0].a' ) jdoc;

# should return [[3, 4]]
select json_extract( '[ { "a": [3,4] }, { "b": 2 } ]', '$[*].a' ) jdoc;

# should return [[3, 4]]
select json_extract( '[ { "a": [3,4] }, { "b": 2 } ]', '$[0].a', '$[1].a' ) jdoc;

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_ARRAY_APPEND function.
--echo # ----------------------------------------------------------------------

# NULLs
select json_array_append(NULL, '$.b', cast(1 as json));
select json_array_append('[1,2,3]', NULL, cast(1 as json));
select json_array_append('[1,2,3]', '$', NULL);

# wrong # args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_array_append(NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_array_append(NULL, NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_array_append(NULL, NULL, NULL, NULL);

# auto-wrap
SELECT JSON_ARRAY_APPEND(cast('1' as json), '$', 3);
SELECT JSON_ARRAY_APPEND(cast('{"a": 3}' as json), '$', 3);

--error ER_INVALID_JSON_PATH_WILDCARD
select json_array_append(cast('{"a": {"b": [3]}}' as json), '$**[0]', 6);

# Examples from the specification

--echo # Auto-wrapping, since because the paths identify scalars.
--echo # should return {"a": "foo", "b": ["bar", 4], "c": ["wibble", "grape"]}
SELECT JSON_ARRAY_APPEND('{"a": "foo", "b": "bar", "c": "wibble"}',
                  '$.b', cast(4 as json),
                  '$.c', cast('"grape"' as json));

--echo # should return {"a": "foo", "b": [1, 2, 3, 4],
--echo #                "c": ["apple", "pear", "grape"]}
SELECT JSON_ARRAY_APPEND('{"a" : "foo","b": [1, 2, 3], "c": ["apple", "pear"]}',
                 '$.b', cast(4 as json),
                 '$.c', cast('"grape"' as json));

# without CAST: cf. not required for ANY_JSON_ATOM arguments in specification
SELECT JSON_ARRAY_APPEND('{"a" : "foo","b": [1, 2, 3], "c": ["apple", "pear"]}',
                 '$.b', 4,
                 '$.c', 'grape');

# wild cards, multiple pairs
--error ER_INVALID_JSON_PATH_WILDCARD
select json_array_append( '[[], [], []]', '$[*]', 3, '$[*]', 4);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_array_append( '[[], "not array", []]', '$[*]', 3, '$[*]', 4);

# examples from wl7909 spec
# should return {"a": "foo", "b": ["bar", 4], "c": ["wibble", "grape"]} due to autowrapping
SELECT JSON_ARRAY_APPEND
(
   '{ "a" : "foo", "b" : "bar", "c" : "wibble" }',
   '$.b', 4,
   '$.c', "grape"
);

# should return {"a": "foo", "b": [1, 2, 3, 4], "c": ["apple", "pear", "grape"]}
SELECT JSON_ARRAY_APPEND
(
   '{ "a" : "foo", "b" : [ 1, 2, 3 ], "c" : [ "apple", "pear" ] }',
   '$.b', 4,
   '$.c', "grape"
);

--echo # ----------------------------------------------------------------------
--echo # Bug#21373874 ASSERTION `PARENT' FAILED
--echo # ----------------------------------------------------------------------

select json_array_append('{"a":1}', '$[0]', 100);
select json_array_append('3', '$[0]', 100);
select json_array_append('3', '$[0][0][0][0]', 100);

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_INSERT function.
--echo # ----------------------------------------------------------------------

# NULLs
select json_insert(NULL, '$.b', cast(1 as json));
select json_insert('[1,2,3]', NULL, cast(1 as json));
select json_insert('[1,2,3]', '$[3]', NULL);

# wrong # args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_insert(NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_insert(NULL, NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_insert(NULL, NULL, NULL, NULL);

# positive test cases

select json_insert('[1,2,3]', '$[2]', 4);
select json_insert('[1,2,3]', '$[3]', 4);
select json_insert('[1,2,3]', '$[10]', 4);

select json_insert('{"c":4}', '$.c', 4);
select json_insert('{"c":4}', '$.a', 4);

select json_insert('1', '$', 4);
select json_insert('1', '$[0]', 4);
select json_insert('1', '$[1]', 4);
select json_insert('1', '$[10]', '4', '$[11]', 5);

select json_insert('[1,2,3]', '$[2][0]', 4);
select json_insert('[1,2,3]', '$[2][2]', 4);

select json_insert('{"a": 3}', '$.a[0]', 4);
select json_insert('{"a": 3}', '$.a[1]', 4, '$.a[2]', '5');

# wild card & auto-wrap (scalars)
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('{"a": [1], "b": 2}' as json), '$.*[1]', 6);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('{"a": 1, "b": 2}' as json), '$.*[1]', 6);

--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('{"a": {"b": 3}}' as json),   '$.a.*[1]', 6);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('{"a": {"b": [3]}}' as json), '$.a.*[1]', 6);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('{"a": {"b": 3}}' as json),   '$**[1]', 6);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('{"a": {"b": [3]}}' as json), '$**[1]', 6);

--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('[1]' as json), '$[*][1]', 6);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('[1]' as json), '$**[1]', 6);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('[1, [2], 3]' as json), '$[*][1]', 6);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('[1, [2], 3]' as json), '$**[1]', 6);

--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('[[1]]' as json), '$[*][1]', 6);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert(cast('[[1]]' as json), '$**[1]', 6);

# auto-wrap object
select json_insert(cast('{"a": 3}' as json), '$[1]', 6);

# Examples from the specification

# returns the original document because the path does exist
SELECT JSON_INSERT('{ "a" : "foo", "b" : [ 1, 2, 3 ] }', '$.a', true);

# inserts a number, returns '{ "a" : "foo", "b" : [ 1, 2, 3 ], "c" : 123 }
SELECT JSON_INSERT('{ "a" : "foo", "b" : [ 1, 2, 3 ] }', '$.c', 123);

# inserts a string, returns '{ "a" : "foo", "b" : [ 1, 2, 3 ], "c" : "123" }
SELECT JSON_INSERT('{ "a" : "foo", "b" : [ 1, 2, 3 ] }', '$.c', '123');

# returns '{ "a" : [ "foo", true ], "b" : [ 1, 2, 3 ] }'
SELECT JSON_INSERT('{ "a" : "foo", "b" : [ 1, 2, 3 ] }', '$.a[1]', true);

# should return { "a" : "foo", "b": true }
SELECT JSON_INSERT('{ "a" : "foo"}', '$.b', true, '$.b', false);

# examples from the wl7909 spec
# returns the original document because the path does exist
SELECT JSON_INSERT
(
  '{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
  '$.a',
  true
);

# inserts a number, returns '{"a": "foo", "b": [1, 2, 3], "c": 123}
SELECT JSON_INSERT
(
  '{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
  '$.c',
  123
);

# inserts a string, returns '{"a": "foo", "b": [1, 2, 3], "c": "123"}
SELECT JSON_INSERT
(
  '{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
  '$.c',
  '123'
);

# returns '{"a": ["foo", true], "b": [1, 2, 3]}'
SELECT JSON_INSERT
(
  '{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
  '$.a[1]',
  true
);

# returns {"a": "foo", "b": true}
SELECT JSON_INSERT
(
   '{ "a" : "foo"}',
   '$.b', true,
   '$.b', false
);

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_ARRAY_INSERT function.
--echo # ----------------------------------------------------------------------

# NULLs
select json_array_insert(NULL, '$.b[1]', 1);
select json_array_insert('[1,2,3]', NULL, 1);
select json_array_insert('[1,2,3]', '$[3]', NULL);

# wrong # args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_array_insert(NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_array_insert(NULL, NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_array_insert(NULL, NULL, NULL, NULL);

# path does not indicate a cell position
--error ER_INVALID_JSON_PATH_ARRAY_CELL
select json_array_insert('true', '$', 1);
--error ER_INVALID_JSON_PATH_ARRAY_CELL
select json_array_insert('true', '$.a', 1);
--error ER_INVALID_JSON_PATH_ARRAY_CELL
select json_array_insert('true', '$.a[1].b', 1);

# nop if there is no array at the path's parent
select json_array_insert( 'true', '$[0]', false );
select json_array_insert( 'true', '$[1]', false );
select json_array_insert( '{ "a": true }', '$.a[0]', false );
select json_array_insert( '{ "a": true }', '$.a[1]', false );

# positive tests
select json_array_insert( '[]', '$[0]', false );
select json_array_insert( '[]', '$[1]', false );
select json_array_insert( '[true]', '$[0]', false );
select json_array_insert( '[true]', '$[1]', false );
select json_array_insert( '[true]', '$[2]', false );
select json_array_insert( '{ "a": [] }', '$.a[0]', false );
select json_array_insert( '{ "a": [] }', '$.a[1]', false );
select json_array_insert( '{ "a": [true] }', '$.a[0]', false );
select json_array_insert( '{ "a": [true] }', '$.a[1]', false );
select json_array_insert( '{ "a": [true] }', '$.a[2]', false );

# insert into the middle of an array
select json_array_insert( '[1, 2, 3, 4]', '$[0]', false );
select json_array_insert( '[1, 2, 3, 4]', '$[1]', false );
select json_array_insert( '[1, 2, 3, 4]', '$[2]', false );
select json_array_insert( '[1, 2, 3, 4]', '$[3]', false );
select json_array_insert( '[1, 2, 3, 4]', '$[4]', false );
select json_array_insert( '[1, 2, 3, 4]', '$[5]', false );

select json_array_insert( '{ "a": [1, 2, 3, 4] }', '$.a[0]', false );
select json_array_insert( '{ "a": [1, 2, 3, 4] }', '$.a[1]', false );
select json_array_insert( '{ "a": [1, 2, 3, 4] }', '$.a[2]', false );
select json_array_insert( '{ "a": [1, 2, 3, 4] }', '$.a[3]', false );
select json_array_insert( '{ "a": [1, 2, 3, 4] }', '$.a[4]', false );
select json_array_insert( '{ "a": [1, 2, 3, 4] }', '$.a[5]', false );

# nop
select json_array_insert( '{ "a": [1, 2, 3, 4] }', '$.b[0]', false );
select json_array_insert( '{ "a": [1, 2, 3, 4] }', '$.b[1]', false );

# no auto-wrapping
select json_array_insert( '"a"', '$[0]', true );
select json_array_insert( '[ "a" ]', '$[0][0]', true );
select json_array_insert( '"a"', '$[1]', true );

--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert('[]', '$.a.*[1]', 6);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert('[]', '$**[1]', 6);
--error ER_INVALID_JSON_PATH_WILDCARD
select json_insert('[]', '$[*][1]', 6);

# multiple paths,
select json_array_insert( '[ 1, 2, 3 ]', '$[1]', true, '$[1]', false );
select json_array_insert( '[ 1, 2, 3 ]', '$[1]',
       cast( '[ "a", "b", "c", "d" ]' as json ), '$[1][2]', false );

# test an error while evaluating the document expression
--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_ARRAY_INSERT(JSON_EXTRACT('[1', '$'), '$[0]', 1);

# error in reading new value
--error ER_INVALID_JSON_TEXT_IN_PARAM
select json_array_insert( '[ 1, 2, 3 ]', '$[1]', json_extract( '[', '$' ) );

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_SET function.
--echo # ----------------------------------------------------------------------

# NULLs
select json_set(NULL, '$.b', cast(1 as json));
select json_set('[1,2,3]', NULL, cast(1 as json));
select json_set('[1,2,3]', '$[3]', NULL);

# wrong # args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_set(NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_set(NULL, NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_set(NULL, NULL, NULL, NULL);

# Detect errors in nested function calls.
--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_SET('{}', '$.name', JSON_EXTRACT('', '$'));

# positive test cases

select json_set('[1,2,3]', '$[2]', 4);
select json_set('[1,2,3]', '$[3]', 4);
select json_set('[1,2,3]', '$[10]', 4);

select json_set('{"c":4}', '$.c', 5);
select json_set('{"c":4}', '$.a', 5);

select json_set('1', '$', 4);
select json_set('1', '$[0]', 4);
select json_set('1', '$[1]', 4);
select json_set('1', '$[10]', '4', '$[11]', 5);

select json_set('[1,2,3]', '$[2][0]', 4);
select json_set('[1,2,3]', '$[2][2]', 4);

select json_set('{"a": 3}', '$.a[0]', 4);
select json_set('{"a": 3}', '$.a[1]', 4, '$.a[2]', '5');

# auto-wrap plus ellipsis with nested hits should give: {"a": [{"b": [3, 6]}, 6]}
--error ER_INVALID_JSON_PATH_WILDCARD
select json_set(cast('{"a": {"b": [3]}}' as json), '$**[1]', 6);

# Examples from the specification: Include when missing functions are
# available.

# returns { "a" : {}, "b" : [ 1, 2, 3 ] }
 SELECT JSON_SET('{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
                '$.a',
                JSON_OBJECT());

# # returns { "a" : "foo", "b" : [ 1, 2, 3 ], "c" : [ true, false ] }
# SELECT JSON_SET('{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
#                '$.c',
#                JSON_ARRAY( true, false ));

# # returns { "a" : "foo", "b" : [ 1, 2, 3 ], "c" : [ true, false ] }
# SELECT JSON_SET('{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
#                '$.c',
#                JSON_ARRAY( CAST( 'true' AS JSON ), CAST( 'false' AS JSON ) ));

# # returns [ 1, null, null, 2 ]
# SELECT JSON_SET('1', '$[3]', 2);

# should return { "a": { "b": false, "c": true } }
SELECT JSON_SET('{ "a" : "foo"}', '$.a',
                JSON_OBJECT( 'b', false ), '$.a.c', true);

# returns { "a" : {}, "b" : [ 1, 2, 3 ] }
select json_set('{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
               '$.a',
               cast('{}' as json));

# returns { "a" : "foo", "b" : [ 1, 2, 3 ], "c" : [ true, false ] }
select json_set('{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
               '$.c',
               cast('[true, false]' as json));

# returns [ 1, null, null, 2 ]
select json_set('1', '$[3]', 2);

# should return { "a": { "b": false, "c": true } }
select json_set('{ "a" : "foo"}', '$.a',
               cast('{"b": false}' as json), '$.a.c', true);

# examples from wl7909 spec
# returns {"a": {}, "b": [1, 2, 3]}
SELECT JSON_SET
(
  '{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
  '$.a',
  JSON_OBJECT()
);

# returns {"a": "foo", "b": [1, 2, 3], "c": [true, false]}
SELECT JSON_SET
(
  '{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
  '$.c',
  JSON_ARRAY( true, false )
);

# returns {"a": "foo", "b": [1, 2, 3], "c": [true, false]}
SELECT JSON_SET
(
  '{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
  '$.c',
  JSON_ARRAY( CAST( 'true' AS JSON ), CAST( 'false' AS JSON ) )
);

# returns [1, 2]
SELECT JSON_SET
(
  '1',
  '$[3]',
  2
);

# returns {"a": {"b": false, "c": true}}
SELECT JSON_SET
(
   '{ "a" : "foo"}',
   '$.a', JSON_OBJECT( 'b', false ),
   '$.a.c', true
);

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_REPLACE function.
--echo # ----------------------------------------------------------------------

# NULLs
select json_replace(NULL, '$.b', cast(1 as json));
select json_replace('[1,2,3]', NULL, cast(1 as json));
select json_replace('[1,2,3]', '$[2]', NULL);

# wrong # args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_replace(NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_replace(NULL, NULL);
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_replace(NULL, NULL, NULL, NULL);

# positive test cases

select json_replace('[1,2,3]', '$[2]', 4);
select json_replace('[1,2,3]', '$[3]', 4);
select json_replace('[1,2,3]', '$[10]', 4);

select json_replace('{"c":4}', '$.c', 5);
select json_replace('{"c":4}', '$.a', 5);

select json_replace('1', '$', 4);
select json_replace('1', '$[0]', 4);
select json_replace('1', '$[1]', 4);
select json_replace('1', '$[10]', '4', '$[11]', 5);

select json_replace('[1,2,3]', '$[2][0]', 4);
select json_replace('[1,2,3]', '$[2][2]', 4);

select json_replace('{"a": 3}', '$.a[0]', 4);
select json_replace('{"a": 3}', '$.a[1]', 4, '$.a[2]', '5');

# Examples from the specification

# returns the original document because the path doesn't exist
SELECT JSON_REPLACE('{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
                   '$.c',
                   true);

# returns '{ "a" : true, "b" : [ 1, 2, 3 ] }'
SELECT JSON_REPLACE('{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
                   '$.a[0]',
                   true);

# returns the original document because the path doesn't exist
SELECT JSON_REPLACE('{ "a" : "foo", "b" : [ 1, 2, 3 ] }',
                   '$.b[5]',
                   true);

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_ARRAY function.
--echo # ----------------------------------------------------------------------

# NULLs
select json_array(NULL, '$.b', cast(1 as json));
select json_array('[1,2,3]', NULL, cast(1 as json));
select json_array('[1,2,3]', '$[3]', NULL);

# positive test cases
select json_array();
select json_array(3.14);
select json_array('[1,2,3]');
select json_array(cast('[1,2,3]' as json));
select json_array(1,2,3);
select json_array(b'0', b'1', b'10');

# returns the empty array: []
SELECT JSON_ARRAY();

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_OBJECT function.
--echo # ----------------------------------------------------------------------

# odd number of args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_object( 'a' );
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_object( 'a', 1, 'b' );

# null arg
--error ER_JSON_DOCUMENT_NULL_KEY
select json_object( null, 1 );

# positive tests
select json_object();
select json_object( 'a', null );
select json_object( 'a', 1 );
select json_object( 'a', 1, 'b', 'foo' );
select json_object( 'a', 1, 'b', 'foo', 'c', cast( '{ "d": "wibble" }' as json ) );
select json_object( 'a', true, 'b', false, 'c', cast( 'null' as json) );
select json_valid( json_object( '"a"', 1 ) );

# long key
select json_object( REPEAT('a', 64 * 1024), 1 );

# non-string keyNames are cast to CHAR
select json_object(json_array(), json_array());
select json_object( cast(json_array() as char), json_array());

select json_object( 1, json_array());
select json_object( cast(1 as char), json_array());

# returns the empty object: {}
SELECT JSON_OBJECT();

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_SEARCH function.
--echo # ----------------------------------------------------------------------

# wrong  number of args
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_search();
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_search( '{ "a": true }' );
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_search( '{ "a": true }', 'one' );

# null args
select json_search( null, 'one', 'foo' );
select json_search( '{ "a": "foo" }', null, 'foo' );
# FIXME. what should happen here?
#select json_search( '{ "a": "foo" }', 'one', null );
select json_search( '{ "a": "foo" }', 'one', 'foo', null, null );
select json_search( '{ "a": "foo" }', 'one', 'foo', null, '$.a', null );

# bad values for the oneOrAll arg
--error ER_JSON_BAD_ONE_OR_ALL_ARG
select json_search( '{ "a": "foo" }', 'twof', 'foo' );
--error ER_JSON_BAD_ONE_OR_ALL_ARG
select json_search( '{ "a": "foo" }', 'two', 'foo' );

# bad escape arg
--error ER_WRONG_ARGUMENTS
select json_search( '{ "a": "foo" }', 'one', 'foo', 'ab' );

# bad path args
--error ER_INVALID_JSON_PATH
select json_search( '{ "a": "foo" }', 'one', 'foo', null, '$a' );
--error ER_INVALID_JSON_PATH
select json_search( '{ "a": "foo" }', 'all', 'foo', null, '$.a', '$b' );

--error ER_BAD_FIELD_ERROR
select json_search(a, b, c);

# simple tests for search without path arguments
select json_search( '{ "a": "foobar" }', 'one', 'foo%' );
select json_search( '{ "a": "foobar", "b": "focus", "c": [ "arm", "foot", "shoulder" ] }', 'one', 'foo%' );
select json_search( '{ "a": "foobar", "b": "focus", "c": [ "arm", "foot", "shoulder" ] }', 'all', 'foo%' );
select json_search( '{ "a": "foobar", "b": "focus", "c": [ "arm", "foot", "shoulder" ] }', 'all', 'f__us' );

select json_search( '{ "a": [ "foolish", "folly", "foolhardy"  ], "b" : "fool" }', 'all', 'foo%', null, '$.a' );
select json_search( '{ "a": [ "foolish", "folly", "foolhardy"  ], "b" : "fool" }', 'all', 'foo%', null, '$.a', '$.b' );
select json_search( '{ "a": [ "foolish", "folly", "foolhardy"  ], "b" : "fool" }', 'one', 'foo%', null, '$.a', '$.b' );

select json_search( '{ "a": [ "foolish", "folly", "foolhardy"  ], "b" : "fool" }', 'ALL', 'foo%', null, '$.a' );
select json_search( '{ "a": [ "foolish", "folly", "foolhardy"  ], "b" : "fool" }', 'aLl', 'foo%', null, '$.a', '$.b' );
select json_search( '{ "a": [ "foolish", "folly", "foolhardy"  ], "b" : "fool" }', 'ONE', 'foo%', null, '$.a', '$.b' );

# wildcards in the path expression
select json_search
(
  '[ { "a": { "b": { "c": "fool" } } }, { "b": { "c": "shoulder" } }, { "c": { "c": "food"} } ]',
  'all',
  'foo%',
  null,
  '$**.c'
);

select json_search
(
  '[ { "a": { "b": { "c": "showtime" } } }, { "b": { "c": "shoulder" } }, { "c": { "c": "shoe"} } ]',
  'all',
  'sho%',
  null,
  '$**.c'
);

select json_search
(
  '[ { "a": { "b": { "c": "showtime" } } }, { "b": { "c": "shoulder" } }, { "c": { "c": "shoe"} } ]',
  'all',
  'sho%e',
  null,
  '$**.c'
);

select json_search
(
  '[ { "a": { "b": { "c": "showtime" } } }, { "b": { "c": "shoulder" } }, { "c": { "c": "shoe"} } ]',
  'all',
  'sho%',
  null,
  '$[*].c'
);

select json_search
(
  '[ { "a": { "b": { "c": "showtime" } } }, [ { "b": { "c": "shout" } }, { "c": { "c": "shoe"} } ] ]',
  'all',
  'sho%',
  null,
  '$[1]**.c'
);

# escape character
select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo%bar' );
select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo\%bar' );
select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo|%bar', '|' );
select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo|%bar', '|', '$[0]' );
select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo|%bar', '|', '$[0]', '$[1]' );
select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo|%bar', '|', '$[0]', '$[1]', '$[2]' );

select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo\%bar', null );
select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo\%bar', null, '$[0]' );
select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo\%bar', null, '$[1]' );
select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo|%bar', '|', '$[0]' );
select json_search( '[ "footbar", "foo%bar" ]', 'all', 'foo|%bar', '|', '$[1]' );

# search is case-sensitive
select json_search( '[ "abc", "ABC" ]', 'all', 'aBc' );
select json_search( '[ "abc", "ABC" ]', 'all', 'abc' );
select json_search( '[ "abc", "ABC" ]', 'all', 'ABC' );

# only matches strings, not numerics
select json_search( '[ 10, "10", 1.0, "1.0" ]', 'all', '1%' );

# examples from the wl7909 spec
# returns null because numeric values don't match string values
SELECT JSON_SEARCH
(
  '{ "a" : 123, "b" : [ 123, 456 ] }',
  'one',
  '123'
);

# returns "$.b[2]"
SELECT JSON_SEARCH
(
  '{ "a" : "123", "b" : [ 123, "789", "123", "456", "123" ] }',
  'one',
  '123',
  null,
  '$.b'
);

# could return either "$.a" or "$.b.key"
SELECT JSON_SEARCH
(
  '{ "a" : "123", "b" : { "key" : "123" } }',
  'one',
  '123'
);

# returns "$.b.key"
SELECT JSON_SEARCH
(
  '{ "a" : "1243", "b" : { "key" : "1234" } }',
  'one',
  '123%'
);

# returns "$.b.c"
SELECT JSON_SEARCH
(
  '{ "a" : "1243", "b" : { "key" : "1234", "c": "directorysub%directoryabc" } }',
  'one',
  'dir%torysub@%dir%',
  '@'
);

# returns null because the path doesn't exist
SELECT JSON_SEARCH
(
  '{ "a" : "1243", "b" : { "key" : "1234" } }',
  'one',
  '123%',
  null,
  '$.c'
);

# returns $."one potato"
SELECT JSON_UNQUOTE
(
  JSON_SEARCH
  (
    '{ "onepotato": "foot", "one potato": "food" , "one \\"potato": "fool" }',
    'all',
    'food'
  )
);

select json_type(case (null is null) when 1 then
                cast('null' as json) else
                cast('[1,2,3]' as json) end);

select json_type(case (null is not null) when 1 then
                cast('null' as json) else
                cast('[1,2,3]' as json) end);

select json_type( if(null is null,
                    cast('null' as json),
                    cast('[1,2,3]' as json)) );

select json_type( if(null is not null,
                    cast('null' as json),
                    cast('[1,2,3]' as json)));

select cast(json_extract(cast(concat('[', cast('["A",2]' as json), ']') as json),
            '$[0][1]') as char) = 2;

--echo # ----------------------------------------------------------------------
--echo # Test of aggregate function MAX, MIN.
--echo # ----------------------------------------------------------------------

select max(cast('[1,2,3]' as json));

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_QUOTE, JSON_UNQUOTE
--echo # ----------------------------------------------------------------------

--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_quote();
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_quote('abc', 'def');
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_quote(NULL, 'def');
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_quote('abc', NULL);

--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_unquote();
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_unquote('"abc"', '"def"');
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_unquote(NULL, 'def');
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select json_unquote('"abc"', NULL);

select json_quote(NULL);
select json_unquote(NULL);

select json_quote('abc');
select json_quote(convert('abc' using ascii));
select json_quote(convert('abc' using latin1));
select json_quote(convert('abc' using utf8));
select json_quote(convert('abc' using utf8mb4));

select json_unquote('abc');                      # should do nothing

select json_unquote('"abc"');
select json_unquote(convert('"abc"' using ascii));
select json_unquote(convert('"abc"' using latin1));
select json_unquote(convert('"abc"' using utf8));
select json_unquote(convert('"abc"' using utf8mb4));

select json_quote('"');
select json_unquote('"');                        # should do nothing

--error ER_INCORRECT_TYPE
select json_quote(123);                          # integer not allowed
--error ER_INCORRECT_TYPE
select json_unquote(123);                        # integer not allowed

select json_unquote('""');                       # empty string
select char_length(json_unquote('""'));          # verify empty string
select json_unquote('"" ');                      # unchanged: no final "
select json_unquote(cast(json_quote('abc') as json)); # round trip

# No change in this JSON string: it is an object
select cast('{"abc": "foo"}' as json);
select json_unquote(cast('{"abc": "foo"}' as json));

# This is a JSON string, so it is actually unquoted
select json_extract(cast('{"abc": "foo"}' as json), '$.abc');
select json_unquote(json_extract(cast('{"abc": "foo"}' as json), '$.abc'));

# Bug fix: thse should be the same
select json_unquote('["a", "b", "c"]');
select json_unquote(cast('["a", "b", "c"]' as json));

select charset(json_unquote('"abc"'));

select json_quote(convert(X'e68891' using utf8));    # chinese "I" (wo3)
select json_quote(convert(X'e68891' using utf8mb4)); # chinese "I" (wo3)

select cast(json_quote(convert(X'e68891' using utf8)) as json);

select json_unquote(convert(X'e68891' using utf8));  # chinese "I" (wo3)

select  json_quote(json_quote(json_quote('abc')));     # deep quote
select  json_unquote(json_unquote(json_unquote(        # long round trip of it
          json_quote(json_quote(json_quote('abc'))))));

# DATE/TIME will lose their quotes, too:
select cast(cast('2015-01-15 23:24:25' as datetime) as json);
select json_unquote(cast(cast('2015-01-15 23:24:25' as datetime) as json));

# as well as opaque values:
select cast(st_geomfromtext('point(1 1)') as json);
select json_unquote(cast(st_geomfromtext('point(1 1)') as json));

# examples from the wl7909 spec
# returns the SQL string literal abc
SELECT JSON_UNQUOTE( '"abc"' );

# returns the SQL string literal "abc
SELECT JSON_UNQUOTE( '"abc' );

--error ER_INCORRECT_TYPE
SELECT JSON_UNQUOTE( 123 );

# returns the SQL string literal abc
SELECT JSON_UNQUOTE
( CAST( CAST( '"abc"' AS JSON ) AS CHAR ) );

# returns 1
SELECT JSON_UNQUOTE
(
  CAST(
    JSON_EXTRACT( '{ "userName" : "fred" }', '$.userName' )
    AS CHAR
  )
) = 'fred';

# returns 0
SELECT
  CAST(
    JSON_EXTRACT( '{ "userName" : "fred" }', '$.userName' )
    AS CHAR
  ) = 'fred';

# returns "abc"
SELECT JSON_QUOTE( 'abc' );

--error ER_INCORRECT_TYPE
SELECT JSON_QUOTE( 123 );

# returns the JSON document consisting of the string scalar "123"
SELECT CAST( JSON_QUOTE( '123' ) AS JSON );

--echo # ----------------------------------------------------------------------
--echo # Test of JSON_CONTAINS
--echo # ----------------------------------------------------------------------

--echo # should give NULL
select json_contains(NULL, NULL);
select json_contains(cast('{"a": 1, "b": 2}' as json), NULL);
select json_contains(NULL, cast('null' as json));
select json_contains(cast('[1]' as json), cast('[1]' as json), NULL);

--echo # should give 0:
select json_contains(cast(3.14 as json), cast(3 as json));

--echo # should give 0: not at top level
select json_contains(cast('{"a": {"b": 7}}' as json), cast('{"b": 7}' as json));

--echo # but path argument will fix it:
select json_contains(cast('{"a": {"b": 7}}' as json), cast('{"b": 7}' as json), '$.a');

--echo # but arrays "introspect"
select json_contains(cast('[1,[2.0, 3.0]]' as json), cast('[2.0]' as json));
select json_contains(cast('[1, 2, [3, [4, 5]], 6, 7]' as json), cast('5' as json));

--echo # should give 0: just a key
select json_contains(cast('{"a": 1, "b": 2}' as json), cast('"a"' as json));

--echo # should give 0: one candidate element doesn't match
select json_contains(cast('[1]' as json), cast('[1,2]' as json));

--echo # should all give 1
select json_contains(cast('null' as json), cast('null' as json));
--echo # simple object subset
select json_contains(cast('{"a": 1, "b": 2}' as json), cast( '{"a": 1}' as json));
--echo # simple vector subset
select json_contains(cast('[1, 2, 3]' as json), cast('[1, 3]' as json));
--echo # auto-wrap, should give 1
select json_contains(cast('[1, 2, 3]' as json), cast(3 as json));
--echo # ok even with nested cast off elements
select json_contains(cast('{"person": {"id": 1, "country": "norway"}}' as json),
                    cast('{"person": {"country": "norway"}}' as json));
--echo # vector reordering and duplicates is ok
select json_contains(cast('[1,3,5]' as json), cast('[5,3,1,5]' as json));
--echo # ok even with more elts in candidate than in doc
select json_contains(cast('[{"b": 4, "a":7}]' as json), cast('[{"a":7},{"b":4}]' as json));
select json_contains(cast('[{"b": 4, "a":7}, 5]' as json), cast('[5, {"a":7, "b":4}]' as json));
--echo # ok even with mixed number types that compare equal
select json_contains(cast('[{"b": 4, "a":7}, 5.0]' as json), cast('[5, {"a":7.0E0, "b":4}]' as json));

# Bug discovered by Rick: used to give 1 (true).
select json_contains( '{"customer": "cust3"}', '{"customer": "cust1"}' );

SELECT JSON_CONTAINS('[null,1,[2,3],true,false]', '[null,1,[3],false]');
SELECT JSON_CONTAINS('[null,1,[2,3],true,false]', '[null,1,[4],false]');
SELECT JSON_CONTAINS('[true,false]', '[[true]]');
SELECT JSON_CONTAINS('[1,2]', '[[1]]');
SELECT JSON_CONTAINS('[1,2]', '1', '$.abc');
SELECT JSON_CONTAINS('{}', '{}');
SELECT JSON_CONTAINS('{}', '{"a":1}');
SELECT JSON_CONTAINS('{"a":1}', '{"a":1,"b":2}');

# examples from the wl7909 spec
# returns 1
SELECT JSON_CONTAINS
(
   CAST('[1, 4, 6]' AS JSON),
   CAST('[1, 6]' AS JSON)
);

# returns 1; even with nested cast off elements
SELECT JSON_CONTAINS
(
   CAST('{"person": {"id": 1, "country": "norway"}}' AS JSON),
   CAST('{"person": {"country": "norway"}}' AS JSON)
);

# returns 1; reordering and duplicates are ok
SELECT JSON_CONTAINS
(
   CAST('[1,3,5]' AS JSON),
   CAST('[5,3,1,5]' AS JSON)
);

# return 0; no type conversion is performed
SELECT JSON_CONTAINS
(
   CAST('[3.14]' AS JSON),
   CAST('[3]' AS JSON)
);

# returns 1, due to auto-wrapping
SELECT JSON_CONTAINS
(
   CAST('[1, 2, 3]' AS JSON),
   CAST(3 AS JSON)
);

--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT JSON_CONTAINS();
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT JSON_CONTAINS('[1]');
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT JSON_CONTAINS('[1]', '[1]', '$', '$[0]');

--echo # ----------------------------------------------------------------------
--echo # Wrong collation from JSON_QUOTE caused problems: Set it in
--echo # Item_func_json_quote::fix_length_and_dec.   Bug found by Knut.
--echo # Similar issue for JSON_UNQUOTE and JSON_TYPE.
--echo # ----------------------------------------------------------------------
select json_object("a", ifnull(json_quote('test'), cast('null' as json)));
select cast(concat('[', json_quote('ab'), ']') as json);
select cast(concat('[', json_unquote('"12"'), ']') as json);
select cast(concat('["', json_type(cast(1 as json)), '"]') as json);

--echo #
--echo # Bug#20912438: ITEM_TYPE_HOLDER::DISPLAY_LENGTH(ITEM*): ASSERTION `0' FAILED
--echo #
(SELECT JSON_KEYS('{ "key80": "2015-04-20 11:53:55"}')) UNION ALL
(SELECT JSON_KEYS('{ "key80": "2015-04-20 11:53:55" }') LIMIT 0);
SELECT CAST(1 AS JSON) UNION ALL SELECT CAST(1 AS JSON);

# Exercise NULL handling and error handling in Item_copy_json::copy().
SELECT COUNT(*), CAST(NULL AS JSON);
--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT COUNT(*), JSON_EXTRACT('not valid json!', '$');

--echo # ----------------------------------------------------------------------
--echo # Bug  report from John E.
--echo # Crash in Item_copy_json::~Item_copy_json
--echo # ----------------------------------------------------------------------
EXPLAIN SELECT COUNT(*), JSON_KEYS('{}');

select json_search( '{ "a": "foo" }', 'one', 'foo', 'a' );
select json_search( '{ "a": "foo" }', 'one', 'foo', null );
select json_search( '{ "a": "foo" }', 'one', 'foo', convert(x'f8' using latin1) );

# bad escape arg
--error ER_WRONG_ARGUMENTS
select json_search( '{ "a": "foo" }', 'one', 'foo', 'ab' );

--echo # ----------------------------------------------------------------------
--echo # Wrong results when Json_path_cache primed is accessed
--echo # during the prepare-phase.
--echo #----------------------------------------------------------------------

select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ]', null ) is null;

prepare stmt1 from 'select json_remove( ''[ 1, { "a": true, "b": false, "c": null }, 5 ]'', null ) is null';
execute stmt1;

--error ER_INVALID_JSON_PATH
select json_remove( '[ 1, { "a": true, "b": false, "c": null }, 5 ]', '$.' ) is null;

--error ER_INVALID_JSON_PATH
prepare stmt1 from 'select json_remove( ''[ 1, { "a": true, "b": false, "c": null }, 5 ]'', ''$.'' ) is null';

--echo # ----------------------------------------------------------------------
--echo # Bug#20987329 VALUE OF PREPARED STATEMENT PLACEHOLDER FOR PARAMETER
--echo #              IN JSON_EXTRACT IS STICKY
--echo #----------------------------------------------------------------------

# should get different results with different parameter values

# json_extract()

# json_contains()

prepare json_stmt1 FROM 'select json_contains( ''{ "keyA": [1, 2, 3], "keyB": [4, 5, 6] }'', ''[2]'', ? )';
set @mypath = '$.keyA';
execute json_stmt1 USING @mypath;
set @mypath = '$.keyB';
execute json_stmt1 USING @mypath;

# json_contains_path()

prepare json_stmt2 FROM 'select json_contains_path( ''{ "keyA": [1, 2, 3] }'', ''all'', ? )';
set @mypath = '$.keyA';
execute json_stmt2 USING @mypath;
set @mypath = '$.keyB';
execute json_stmt2 USING @mypath;

# json_length()

prepare json_stmt3 FROM 'select json_length( ''{ "keyA": [1, 2, 3], "keyB": [1, 2, 3, 4] }'', ? )';
set @mypath = '$.keyA';
execute json_stmt3 USING @mypath;
set @mypath = '$.keyB';
execute json_stmt3 USING @mypath;

# json_keys()

prepare json_stmt4 FROM 'select json_keys( ''[ { "keyA": true }, { "keyB": false } ]'', ? )';
set @mypath = '$[0]';
execute json_stmt4 USING @mypath;
set @mypath = '$[1]';
execute json_stmt4 USING @mypath;

# json_array_append()

prepare json_stmt5 FROM 'select json_array_append( ''{ "keyA": [1, 2], "keyB": [3, 4] }'', ?, 5 )';
set @mypath = '$.keyA';
execute json_stmt5 USING @mypath;
set @mypath = '$.keyB';
execute json_stmt5 USING @mypath;

# json_insert()

prepare json_stmt6 FROM 'select json_insert( ''{ "keyA": [1, 2], "keyB": [3, 4] }'', ?, 5 )';
set @mypath = '$.keyA[2]';
execute json_stmt6 USING @mypath;
set @mypath = '$.keyB[2]';
execute json_stmt6 USING @mypath;

# json_set()

prepare json_stmt7 FROM 'select json_set( ''{ "keyA": [1, 2], "keyB": [3, 4] }'', ?, 5 )';
set @mypath = '$.keyA[2]';
execute json_stmt7 USING @mypath;
set @mypath = '$.keyB[2]';
execute json_stmt7 USING @mypath;

# json_replace()

prepare json_stmt8 FROM 'select json_replace( ''{ "keyA": [1, 2], "keyB": [3, 4] }'', ?, 5 )';
set @mypath = '$.keyA[1]';
execute json_stmt8 USING @mypath;
set @mypath = '$.keyB[1]';
execute json_stmt8 USING @mypath;

# json_search()

prepare json_stmt9 FROM 'select json_search( ''{ "keyA": [ "foot" ], "keyB": [ "food" ] }'', ''all'', ''foo%'', null, ? )';
set @mypath = '$.keyA';
execute json_stmt9 USING @mypath;
set @mypath = '$.keyB';
execute json_stmt9 USING @mypath;

# json_remove()

prepare json_stmt10 FROM 'select json_remove( ''{ "keyA": [ "foot" ], "keyB": [ "food" ] }'', ? )';
set @mypath = '$.keyA';
execute json_stmt10 USING @mypath;
set @mypath = '$.keyB';
execute json_stmt10 USING @mypath;

# similar caching problem for the oneOrAll args

prepare json_stmt11 FROM 'select json_contains_path( ''{ "keyA": true }'', ?, ''$.keyA'', ''$.keyB'' )';
set @mypath = 'one';
execute json_stmt11 USING @mypath;
set @mypath = 'all';
execute json_stmt11 USING @mypath;

prepare json_stmt12 FROM 'select json_search( ''{ "keyA": [ "foot" ], "keyB": [ "food" ] }'', ?, ''foo%'' )';
set @mypath = 'one';
execute json_stmt12 USING @mypath;
set @mypath = 'all';
execute json_stmt12 USING @mypath;

--echo #
--echo # Bug#21128632 JSON_QUOTE(JSON_TYPE(...)) GIVES ERROR 3139 ER_INVALID_JSON_CHARSET
--echo #

select json_quote( json_type( json_object() ) );
select json_quote( json_type( cast('{}' as json) ) );

--echo #
--echo # Bug#21148020 OUTPUT FROM JSON_TYPE() IS TRUNCATED
--echo #              WHEN EXECUTED IN A VIEW OR JOIN
--echo #

SELECT JSON_TYPE(JSON_OBJECT());
CREATE VIEW v1 AS SELECT JSON_TYPE(JSON_OBJECT());
SELECT * FROM v1;

SELECT JSON_TYPE(CAST(CAST('2015-05-25 11:23:55' AS DATETIME) AS JSON));
CREATE VIEW v2 AS SELECT JSON_TYPE(CAST(CAST('2015-05-25 11:23:55' AS
DATETIME) AS JSON));
SELECT * FROM v2;

drop view v1;
drop view v2;

--echo #
--echo # Bug#21198333 SIG 6 IN ITEM_CACHE_JSON::CACHE_VALUE AT SQL/ITEM.CC:9470
--echo #
--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT MIN(JSON_EXTRACT('not json', '$'));

--echo #
--echo # Bug#21200657 DATA FROM DERIVED TABLE BASED
--echo # ON JSN_QUOTE()/JSN_UNQUOTE() CALL IS TRUNCATED
--echo #
SELECT JSON_QUOTE('This is a string that should not be truncated') AS field1;
SELECT JSON_UNQUOTE(JSON_QUOTE('This is a string that should not be truncated')) AS field1;

SELECT * FROM (SELECT JSON_QUOTE('This is a string that should not be truncated') AS field1) AS DERIVED_TABLE;
SELECT * FROM (SELECT JSON_UNQUOTE("This is a string that should not be truncated") AS field1) AS DERIVED_TABLE;
SELECT * FROM (SELECT JSON_UNQUOTE(JSON_QUOTE('This is a string that should not be truncated')) AS field1) AS DERIVED_TABLE;

--echo #
--echo # Bug#21296173 JSON_OBJECT('KEY', BOOLEAN_LITERAL) USES VALUES 0, 1
--echo #               FOR BOOL WHEN USED VIA VIEW
--echo #

SELECT JSON_OBJECT('key1', false, 'key2', true);
SELECT JSON_ARRAY('key1', false, 'key2', true);
CREATE VIEW v1 AS SELECT JSON_OBJECT('key1', false, 'key2', true);
SELECT * FROM v1;
CREATE VIEW v2 AS SELECT JSON_ARRAY('key1', false, 'key2', true);
SELECT * FROM v2;

drop view v1;
drop view v2;

--echo #
--echo # Bug#21293089 JSON_CONTAINS() RETURNS WRONG RESULT WITH EMPTY JSON ARRAY
--echo #
SELECT JSON_CONTAINS('[]', '{"a" : 1}');
SELECT JSON_CONTAINS('[]', '[1, 2, 3, 4, 5]');
SELECT JSON_CONTAINS('[]', '[1, 2, 3, 4, {"a" : 1}]');
SELECT JSON_CONTAINS('[]', '{"a" : [1, 2, 3, 4, 5]}');
SELECT JSON_CONTAINS('[]', '[]');

--echo #
--echo # Bug#21377136 STACK OVERFLOW IN RAPIDJSON::GENERICREADER
--echo #
--error ER_JSON_DOCUMENT_TOO_DEEP
SELECT JSON_VALID(REPEAT('[', 100000));
--error ER_JSON_DOCUMENT_TOO_DEEP
SELECT JSON_VALID(REPEAT('{"a":', 100000));
--error ER_JSON_DOCUMENT_TOO_DEEP
SELECT JSON_VALID(REPEAT('{"a":[', 100000));
--error ER_JSON_DOCUMENT_TOO_DEEP
SELECT JSON_VALID(REPEAT('[{"a":', 100000));

--echo #
--echo # Bug#21381806 JSON: ASSERTION FAILED: ARG->NULL_VALUE
--echo #
SELECT JSON_SET(CASE WHEN 1 THEN NULL ELSE NULL END, '{}', '{}');
SELECT JSON_VALID(CASE WHEN 1 THEN NULL ELSE NULL END);
SELECT JSON_ARRAY(CASE WHEN 1 THEN NULL ELSE NULL END);

--echo #
--echo # Bug#21384048 ASSERTION FAILED: N >= 0 && N <= 308
--echo #              IN RAPIDJSON::INTERNAL::FASTPATH
--echo #
SELECT JSON_EXTRACT('-1E-36181012216111515851075235238', '$');
SELECT JSON_EXTRACT('1E-36181012216111515851075235238', '$');
SELECT JSON_EXTRACT('1E-325', '$');
SELECT JSON_EXTRACT('1E-324', '$');
SELECT JSON_EXTRACT('1E-323', '$');
SELECT JSON_EXTRACT('1E+308', '$');
--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_EXTRACT('1E+309', '$');
--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_EXTRACT('1E+36181012216111515851075235238', '$');
--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT JSON_EXTRACT('-1E+36181012216111515851075235238', '$');

--echo #
--echo # Bug#21383284: ASSERTION IN SELECT_LEX::SETUP_CONDS
--echo #
--error ER_WRONG_ARGUMENTS
SELECT 1 FROM dual WHERE JSON_SEARCH('{}', 'one', 'foo', 'too-long-escape');
--error ER_INVALID_JSON_TEXT_IN_PARAM
SELECT 1 FROM dual WHERE JSON_SEARCH('{}', 'one', 'foo', JSON_EXTRACT('', '$'));

--echo #
--echo # Bug#21442624 INCORRECT RESULT FROM JSON_SET WITH AUTO-WRAPPING
--echo #

SELECT JSON_SET('1', '$', 100);
SELECT JSON_SET('1', '$[0]', 100);
SELECT JSON_SET('1', '$[0][0]', 100);
SELECT JSON_SET('1', '$[0][0][0]', 100);

SELECT JSON_SET('[]', '$', 100);
SELECT JSON_SET('[]', '$[0]', 100);
SELECT JSON_SET('[]', '$[0][0]', 100);
SELECT JSON_SET('[]', '$[0][0][0]', 100);

SELECT JSON_SET('[1]', '$', 100);
SELECT JSON_SET('[1]', '$[0]', 100);
SELECT JSON_SET('[1]', '$[0][0]', 100);
SELECT JSON_SET('[1]', '$[0][0][0]', 100);

SELECT JSON_SET('[[1]]', '$', 100);
SELECT JSON_SET('[[1]]', '$[0]', 100);
SELECT JSON_SET('[[1]]', '$[0][0]', 100);
SELECT JSON_SET('[[1]]', '$[0][0][0]', 100);

SELECT JSON_SET('[[[1]]]', '$', 100);
SELECT JSON_SET('[[[1]]]', '$[0]', 100);
SELECT JSON_SET('[[[1]]]', '$[0][0]', 100);
SELECT JSON_SET('[[[1]]]', '$[0][0][0]', 100);

SELECT JSON_REPLACE('1', '$', 100);
SELECT JSON_REPLACE('1', '$[0]', 100);
SELECT JSON_REPLACE('1', '$[0][0]', 100);
SELECT JSON_REPLACE('1', '$[0][0][0]', 100);

SELECT JSON_REPLACE('[]', '$', 100);
SELECT JSON_REPLACE('[]', '$[0]', 100);
SELECT JSON_REPLACE('[]', '$[0][0]', 100);
SELECT JSON_REPLACE('[]', '$[0][0][0]', 100);

SELECT JSON_REPLACE('[1]', '$', 100);
SELECT JSON_REPLACE('[1]', '$[0]', 100);
SELECT JSON_REPLACE('[1]', '$[0][0]', 100);
SELECT JSON_REPLACE('[1]', '$[0][0][0]', 100);

SELECT JSON_REPLACE('[[1]]', '$', 100);
SELECT JSON_REPLACE('[[1]]', '$[0]', 100);
SELECT JSON_REPLACE('[[1]]', '$[0][0]', 100);
SELECT JSON_REPLACE('[[1]]', '$[0][0][0]', 100);

SELECT JSON_REPLACE('[[[1]]]', '$', 100);
SELECT JSON_REPLACE('[[[1]]]', '$[0]', 100);
SELECT JSON_REPLACE('[[[1]]]', '$[0][0]', 100);
SELECT JSON_REPLACE('[[[1]]]', '$[0][0][0]', 100);

--echo #
--echo # Bug#21828321: JSON FUNCS CALL DBUG_ABORT OR EXIT() ON WINDOWS!
--echo #
# LEAST and GREATEST treat JSON arguments as strings for now. They used to hit
# an assertion if used in a JSON context and all arguments were JSON values, or
# a mix of NULLs and JSON values.
SELECT JSON_ARRAY(LEAST(NULL, NULL), GREATEST(NULL, NULL), LEAST(j1, NULL),
                  GREATEST(NULL, j2), LEAST(j1, j2), GREATEST(j1, j2)) AS j
FROM (SELECT CAST('1' AS JSON) AS j1, CAST('2' AS JSON) AS j2) t;

--echo #
--echo # Bug#22961128: WRONG RESULT WHEN MANIPULATING RESULT OF JSON_MERGE
--echo #
SELECT JSON_SET(JSON_ARRAY(JSON_MERGE_PRESERVE('{"a":1}', '{"a":2}')),
                '$[0].a', 123);

--echo #
--echo # WL#9692: Deprecate the JSON_MERGE function
--echo #
--echo # Expect a deprecation warning.
SELECT JSON_MERGE('{}', '{}');
--echo # Expect a deprecation warning when creating the view.
CREATE VIEW v AS SELECT JSON_MERGE('{}', '{}') AS col;
--echo # The view uses the non-deprecated variant of the function.
SHOW CREATE VIEW v;
SELECT * FROM v;
DROP VIEW v;

${this.title}

Code Editor : json_no_table.test