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Commit ebe5ebba authored by Alexey Botchkov's avatar Alexey Botchkov
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MDEV-9143 JSON_xxx functions. 

        The rest of mysql/json functions implemented.
        CAST AS JSON implemented.
parent 1122c1f0
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Showing with 1619 additions and 59 deletions
include/json_lib.h
View file @ ebe5ebba
......@@ -226,6 +226,13 @@ int json_scan_next(json_engine_t *j);
int json_read_keyname_chr(json_engine_t *j);
/*
Check if the name of the current JSON key matches
the step of the path.
*/
int json_key_matches(json_engine_t *je, json_string_t *k);
/*
json_read_value() function parses the JSON value syntax,
so that we can handle the value of a key or an array item.
......
mysql-test/r/dyncol.result
View file @ ebe5ebba
......@@ -1731,36 +1731,36 @@ column_json(column_create(1, "val", 2, column_create(3, "val2")))
# Time encoding
#
select hex(column_create("t", "800:46:06.23434" AS time)) as hex,
column_json(column_create("t", "800:46:06.23434" AS time)) as json;
hex json
column_json(column_create("t", "800:46:06.23434" AS time)) as js;
hex js
04010001000000070074649363B82003 {"t":"800:46:06.234340"}
select hex(column_create(1, "800:46:06.23434" AS time)) as hex,
column_json(column_create(1, "800:46:06.23434" AS time)) as json;
hex json
column_json(column_create(1, "800:46:06.23434" AS time)) as js;
hex js
000100010007649363B82003 {"1":"800:46:06.234340"}
select hex(column_create("t", "800:46:06" AS time)) as hex,
column_json(column_create("t", "800:46:06" AS time)) as json;
hex json
column_json(column_create("t", "800:46:06" AS time)) as js;
hex js
04010001000000070074860B32 {"t":"800:46:06"}
select hex(column_create(1, "800:46:06" AS time)) as hex,
column_json(column_create(1, "800:46:06" AS time)) as json;
hex json
column_json(column_create(1, "800:46:06" AS time)) as js;
hex js
000100010007000060B82003 {"1":"800:46:06"}
select hex(column_create("t", "2012-12-21 10:46:06.23434" AS datetime)) as hex,
column_json(column_create("t", "2012-12-21 10:46:06.23434" AS datetime)) as json;
hex json
column_json(column_create("t", "2012-12-21 10:46:06.23434" AS datetime)) as js;
hex js
0401000100000005007495B90F649363B80A00 {"t":"2012-12-21 10:46:06.234340"}
select hex(column_create(1, "2012-12-21 10:46:06.23434" AS datetime)) as hex,
column_json(column_create(1, "2012-12-21 10:46:06.23434" AS datetime)) as json;
hex json
column_json(column_create(1, "2012-12-21 10:46:06.23434" AS datetime)) as js;
hex js
00010001000595B90F649363B80A00 {"1":"2012-12-21 10:46:06.234340"}
select hex(column_create("t", "2012-12-21 10:46:06" AS datetime)) as hex,
column_json(column_create("t", "2012-12-21 10:46:06" AS datetime)) as json;
hex json
column_json(column_create("t", "2012-12-21 10:46:06" AS datetime)) as js;
hex js
0401000100000005007495B90F86AB00 {"t":"2012-12-21 10:46:06"}
select hex(column_create(1, "2012-12-21 10:46:06" AS datetime)) as hex,
column_json(column_create(1, "2012-12-21 10:46:06" AS datetime)) as json;
hex json
column_json(column_create(1, "2012-12-21 10:46:06" AS datetime)) as js;
hex js
00010001000595B90F000060B80A00 {"1":"2012-12-21 10:46:06"}
#
# MDEV-4849: Out of memory error and valgrind warnings on COLUMN_ADD
......
mysql-test/r/func_json.result
View file @ ebe5ebba
......@@ -46,6 +46,18 @@ json_array_append('["a", "b"]', '$', FALSE)
select json_array_append('{"k1":1, "k2":["a", "b"]}', '$.k2', 2);
json_array_append('{"k1":1, "k2":["a", "b"]}', '$.k2', 2)
{"k1":1, "k2":["a", "b", 2]}
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[1]', 'x');
JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[1]', 'x')
["a", "x", {"b": [1, 2]}, [3, 4]]
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[2]', 'x');
JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[2]', 'x')
["a", {"b": [1, 2]}, "x", [3, 4]]
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[3]', 'x');
JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[3]', 'x')
["a", {"b": [1, 2]}, [3, 4], "x"]
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[4]', 'x');
JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[4]', 'x')
["a", {"b": [1, 2]}, [3, 4], "x"]
select json_contains('{"k1":123, "k2":345}', '123', '$.k1');
json_contains('{"k1":123, "k2":345}', '123', '$.k1')
1
......@@ -91,6 +103,44 @@ json_extract('{"key1":5, "key2":[2,3]}', "$.key1", "$.key2")
select json_extract('{"key0":true, "key1":"qwe"}', "$.key1");
json_extract('{"key0":true, "key1":"qwe"}', "$.key1")
qwe
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.k1', 'word');
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.k1', 'word')
{"a":1, "b":{"c":1, "k1":"word"}, "d":[1, 2]}
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.d[3]', 3);
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.d[3]', 3)
{"a":1, "b":{"c":1}, "d":[1, 2, 3]}
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.a[2]', 2);
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.a[2]', 2)
{"a":[1, 2], "b":{"c":1}, "d":[1, 2]}
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.c', 'word');
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.c', 'word')
{"a":1, "b":{"c":1}, "d":[1, 2]}
select json_set('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]');
json_set('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]')
{ "a": 10, "b": [2, 3], "c":"[true, false]"}
select json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]');
json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]')
{ "a": 10, "b": [2, 3]}
select json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.b', '[true, false]');
json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.b', '[true, false]')
{ "a": 10, "b": "[true, false]"}
set @j = '["a", ["b", "c"], "d"]';
select json_remove(@j, '$[0]');
json_remove(@j, '$[0]')
[ ["b", "c"], "d"]
select json_remove(@j, '$[1]');
json_remove(@j, '$[1]')
["a" "d"]
select json_remove(@j, '$[2]');
json_remove(@j, '$[2]')
["a", ["b", "c"]]
set @j = '{"a": 1, "b": [2, 3]}';
select json_remove(@j, '$.b');
json_remove(@j, '$.b')
{"a": 1}
select json_remove(@j, '$.a');
json_remove(@j, '$.a')
{"b": [2, 3]}
select json_object("ki", 1, "mi", "ya");
json_object("ki", 1, "mi", "ya")
{"ki": 1, "mi": "ya"}
......@@ -121,3 +171,46 @@ BOOLEAN
select json_type('123');
json_type('123')
NUMBER
select json_keys('{"a":{"c":1, "d":2}, "b":2}');
json_keys('{"a":{"c":1, "d":2}, "b":2}')
["a", "b"]
select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.a");
json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.a")
["c", "d"]
select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.b");
json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.b")
NULL
SET @j = '["abc", [{"k": "10"}, "def"], {"x":"abc"}, {"y":"bcd"}]';
select json_search(@j, 'one', 'abc');
json_search(@j, 'one', 'abc')
"$[0]"
select json_search(@j, 'all', 'abc');
json_search(@j, 'all', 'abc')
["$[0]", "$[2].x"]
select json_search(@j, 'all', 'abc', NULL, '$[2]');
json_search(@j, 'all', 'abc', NULL, '$[2]')
"$[2].x"
select json_search(@j, 'all', 'abc', NULL, '$');
json_search(@j, 'all', 'abc', NULL, '$')
["$[0]", "$[2].x"]
select json_search(@j, 'all', '10', NULL, '$');
json_search(@j, 'all', '10', NULL, '$')
"$[1][0].k"
select json_search(@j, 'all', '10', NULL, '$[*]');
json_search(@j, 'all', '10', NULL, '$[*]')
"$[1][0].k"
select json_search(@j, 'all', '10', NULL, '$[*][0].k');
json_search(@j, 'all', '10', NULL, '$[*][0].k')
"$[1][0].k"
select json_unquote('"abc"');
json_unquote('"abc"')
abc
select json_object("a", json_object("b", "abcd"));
json_object("a", json_object("b", "abcd"))
{"a": {"b": "abcd"}}
select json_object("a", '{"b": "abcd"}');
json_object("a", '{"b": "abcd"}')
{"a": "{\"b\": \"abcd\"}"}
select json_object("a", cast('{"b": "abcd"}' as json));
json_object("a", cast('{"b": "abcd"}' as json))
{"a": {"b": "abcd"}}
mysql-test/t/dyncol.test
View file @ ebe5ebba
......@@ -805,24 +805,24 @@ select column_json(column_create(1, "val", 2, column_create(3, "val2")));
--echo # Time encoding
--echo #
select hex(column_create("t", "800:46:06.23434" AS time)) as hex,
column_json(column_create("t", "800:46:06.23434" AS time)) as json;
column_json(column_create("t", "800:46:06.23434" AS time)) as js;
select hex(column_create(1, "800:46:06.23434" AS time)) as hex,
column_json(column_create(1, "800:46:06.23434" AS time)) as json;
column_json(column_create(1, "800:46:06.23434" AS time)) as js;
select hex(column_create("t", "800:46:06" AS time)) as hex,
column_json(column_create("t", "800:46:06" AS time)) as json;
column_json(column_create("t", "800:46:06" AS time)) as js;
select hex(column_create(1, "800:46:06" AS time)) as hex,
column_json(column_create(1, "800:46:06" AS time)) as json;
column_json(column_create(1, "800:46:06" AS time)) as js;
select hex(column_create("t", "2012-12-21 10:46:06.23434" AS datetime)) as hex,
column_json(column_create("t", "2012-12-21 10:46:06.23434" AS datetime)) as json;
column_json(column_create("t", "2012-12-21 10:46:06.23434" AS datetime)) as js;
select hex(column_create(1, "2012-12-21 10:46:06.23434" AS datetime)) as hex,
column_json(column_create(1, "2012-12-21 10:46:06.23434" AS datetime)) as json;
column_json(column_create(1, "2012-12-21 10:46:06.23434" AS datetime)) as js;
select hex(column_create("t", "2012-12-21 10:46:06" AS datetime)) as hex,
column_json(column_create("t", "2012-12-21 10:46:06" AS datetime)) as json;
column_json(column_create("t", "2012-12-21 10:46:06" AS datetime)) as js;
select hex(column_create(1, "2012-12-21 10:46:06" AS datetime)) as hex,
column_json(column_create(1, "2012-12-21 10:46:06" AS datetime)) as json;
column_json(column_create(1, "2012-12-21 10:46:06" AS datetime)) as js;
--echo #
--echo # MDEV-4849: Out of memory error and valgrind warnings on COLUMN_ADD
......
mysql-test/t/func_json.test
View file @ ebe5ebba
......@@ -19,6 +19,11 @@ select json_array(1, "text", false, null);
select json_array_append('["a", "b"]', '$', FALSE);
select json_array_append('{"k1":1, "k2":["a", "b"]}', '$.k2', 2);
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[1]', 'x');
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[2]', 'x');
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[3]', 'x');
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[4]', 'x');
select json_contains('{"k1":123, "k2":345}', '123', '$.k1');
select json_contains('"you"', '"you"');
select json_contains('"youth"', '"you"');
......@@ -37,6 +42,24 @@ select json_extract('{"key1":"asd", "key2":[2,3]}', "$.key1", "$.key2");
select json_extract('{"key1":5, "key2":[2,3]}', "$.key1", "$.key2");
select json_extract('{"key0":true, "key1":"qwe"}', "$.key1");
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.k1', 'word');
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.d[3]', 3);
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.a[2]', 2);
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.c', 'word');
select json_set('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]');
select json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]');
select json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.b', '[true, false]');
set @j = '["a", ["b", "c"], "d"]';
select json_remove(@j, '$[0]');
select json_remove(@j, '$[1]');
select json_remove(@j, '$[2]');
set @j = '{"a": 1, "b": [2, 3]}';
select json_remove(@j, '$.b');
select json_remove(@j, '$.a');
select json_object("ki", 1, "mi", "ya");
select json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2");
......@@ -52,3 +75,23 @@ select json_type('[123, "k2", 345]');
select json_type("true");
select json_type('123');
select json_keys('{"a":{"c":1, "d":2}, "b":2}');
select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.a");
select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.b");
SET @j = '["abc", [{"k": "10"}, "def"], {"x":"abc"}, {"y":"bcd"}]';
select json_search(@j, 'one', 'abc');
select json_search(@j, 'all', 'abc');
select json_search(@j, 'all', 'abc', NULL, '$[2]');
select json_search(@j, 'all', 'abc', NULL, '$');
select json_search(@j, 'all', '10', NULL, '$');
select json_search(@j, 'all', '10', NULL, '$[*]');
select json_search(@j, 'all', '10', NULL, '$[*][0].k');
select json_unquote('"abc"');
select json_object("a", json_object("b", "abcd"));
select json_object("a", '{"b": "abcd"}');
select json_object("a", cast('{"b": "abcd"}' as json));
sql/item.h
View file @ ebe5ebba
......@@ -1457,6 +1457,7 @@ class Item: public Value_source,
virtual void set_result_field(Field *field) {}
virtual bool is_result_field() { return 0; }
virtual bool is_bool_type() { return false; }
virtual bool is_json_type() { return false; }
/* This is to handle printing of default values */
virtual bool need_parentheses_in_default() { return false; }
virtual void save_in_result_field(bool no_conversions) {}
......@@ -5763,4 +5764,15 @@ class Item_iterator_row: public Item_iterator
void close() {}
};
/*
It's used in ::fix_fields() methods of LIKE and JSON_SEARCH
functions to handle the ESCAPE parameter.
This parameter is quite non-standard so the specific function.
*/
bool fix_escape_item(THD *thd, Item *escape_item, String *tmp_str,
bool escape_used_in_parsing, CHARSET_INFO *cmp_cs,
int *escape);
#endif /* SQL_ITEM_INCLUDED */
sql/item_cmpfunc.cc
View file @ ebe5ebba
......@@ -5124,13 +5124,10 @@ bool Item_func_like::with_sargable_pattern() const
}
bool Item_func_like::fix_fields(THD *thd, Item **ref)
bool fix_escape_item(THD *thd, Item *escape_item, String *tmp_str,
bool escape_used_in_parsing, CHARSET_INFO *cmp_cs,
int *escape)
{
DBUG_ASSERT(fixed == 0);
if (Item_bool_func2::fix_fields(thd, ref) ||
escape_item->fix_fields(thd, &escape_item))
return TRUE;
if (!escape_item->const_during_execution())
{
my_error(ER_WRONG_ARGUMENTS,MYF(0),"ESCAPE");
......@@ -5140,7 +5137,7 @@ bool Item_func_like::fix_fields(THD *thd, Item **ref)
if (escape_item->const_item())
{
/* If we are on execution stage */
String *escape_str= escape_item->val_str(&cmp_value1);
String *escape_str= escape_item->val_str(tmp_str);
if (escape_str)
{
const char *escape_str_ptr= escape_str->ptr();
......@@ -5153,7 +5150,7 @@ bool Item_func_like::fix_fields(THD *thd, Item **ref)
return TRUE;
}
if (use_mb(cmp_collation.collation))
if (use_mb(cmp_cs))
{
CHARSET_INFO *cs= escape_str->charset();
my_wc_t wc;
......@@ -5161,7 +5158,7 @@ bool Item_func_like::fix_fields(THD *thd, Item **ref)
(const uchar*) escape_str_ptr,
(const uchar*) escape_str_ptr +
escape_str->length());
escape= (int) (rc > 0 ? wc : '\\');
*escape= (int) (rc > 0 ? wc : '\\');
}
else
{
......@@ -5170,25 +5167,40 @@ bool Item_func_like::fix_fields(THD *thd, Item **ref)
code instead of Unicode code as "escape" argument.
Convert to "cs" if charset of escape differs.
*/
CHARSET_INFO *cs= cmp_collation.collation;
uint32 unused;
if (escape_str->needs_conversion(escape_str->length(),
escape_str->charset(), cs, &unused))
escape_str->charset(),cmp_cs,&unused))
{
char ch;
uint errors;
uint32 cnvlen= copy_and_convert(&ch, 1, cs, escape_str_ptr,
uint32 cnvlen= copy_and_convert(&ch, 1, cmp_cs, escape_str_ptr,
escape_str->length(),
escape_str->charset(), &errors);
escape= cnvlen ? ch : '\\';
*escape= cnvlen ? ch : '\\';
}
else
escape= escape_str_ptr ? *escape_str_ptr : '\\';
*escape= escape_str_ptr ? *escape_str_ptr : '\\';
}
}
else
escape= '\\';
*escape= '\\';
}
return FALSE;
}
bool Item_func_like::fix_fields(THD *thd, Item **ref)
{
DBUG_ASSERT(fixed == 0);
if (Item_bool_func2::fix_fields(thd, ref) ||
escape_item->fix_fields(thd, &escape_item) ||
fix_escape_item(thd, escape_item, &cmp_value1, escape_used_in_parsing,
cmp_collation.collation, &escape))
return TRUE;
if (escape_item->const_item())
{
/*
We could also do boyer-more for non-const items, but as we would have to
recompute the tables for each row it's not worth it.
......
sql/item_create.cc
View file @ ebe5ebba
This diff is collapsed.
sql/item_func.h
View file @ ebe5ebba
......@@ -2197,7 +2197,7 @@ enum Cast_target
{
ITEM_CAST_BINARY, ITEM_CAST_SIGNED_INT, ITEM_CAST_UNSIGNED_INT,
ITEM_CAST_DATE, ITEM_CAST_TIME, ITEM_CAST_DATETIME, ITEM_CAST_CHAR,
ITEM_CAST_DECIMAL, ITEM_CAST_DOUBLE
ITEM_CAST_DECIMAL, ITEM_CAST_DOUBLE, ITEM_CAST_JSON
};
......
sql/item_jsonfunc.cc
View file @ ebe5ebba
This diff is collapsed.
sql/item_jsonfunc.h
View file @ ebe5ebba
......@@ -123,6 +123,21 @@ class Item_func_json_quote: public Item_str_func
};
class Item_func_json_unquote: public Item_str_func
{
protected:
String tmp_s;
public:
Item_func_json_unquote(THD *thd, Item *s): Item_str_func(thd, s) {}
const char *func_name() const { return "json_unquote"; }
void fix_length_and_dec();
String *val_str(String *);
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_func_json_unquote>(thd, mem_root, this); }
};
class Item_json_str_multipath: public Item_str_func
{
protected:
......@@ -134,6 +149,7 @@ class Item_json_str_multipath: public Item_str_func
bool fix_fields(THD *thd, Item **ref);
void cleanup();
virtual uint get_n_paths() const = 0;
bool is_json_type() { return true; }
};
......@@ -207,6 +223,7 @@ class Item_func_json_array: public Item_str_func
Item_func_json_array(THD *thd, List<Item> &list):
Item_str_func(thd, list) {}
String *val_str(String *);
bool is_json_type() { return true; }
void fix_length_and_dec();
const char *func_name() const { return "json_array"; }
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
......@@ -231,6 +248,18 @@ class Item_func_json_array_append: public Item_json_str_multipath
};
class Item_func_json_array_insert: public Item_func_json_array_append
{
public:
Item_func_json_array_insert(THD *thd, List<Item> &list):
Item_func_json_array_append(thd, list) {}
String *val_str(String *);
const char *func_name() const { return "json_array_insert"; }
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_func_json_array_insert>(thd, mem_root, this); }
};
class Item_func_json_object: public Item_func_json_array
{
public:
......@@ -239,6 +268,7 @@ class Item_func_json_object: public Item_func_json_array
Item_func_json_object(THD *thd, List<Item> &list):
Item_func_json_array(thd, list) {}
String *val_str(String *);
bool is_json_type() { return true; }
const char *func_name() const { return "json_object"; }
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_func_json_object>(thd, mem_root, this); }
......@@ -253,6 +283,7 @@ class Item_func_json_merge: public Item_func_json_array
Item_func_json_merge(THD *thd, List<Item> &list):
Item_func_json_array(thd, list) {}
String *val_str(String *);
bool is_json_type() { return true; }
const char *func_name() const { return "json_merge"; }
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_func_json_merge>(thd, mem_root, this); }
......@@ -301,4 +332,102 @@ class Item_func_json_type: public Item_str_func
};
class Item_func_json_insert: public Item_json_str_multipath
{
protected:
String tmp_js;
String tmp_val;
bool mode_insert, mode_replace;
public:
Item_func_json_insert(bool i_mode, bool r_mode, THD *thd, List<Item> &list):
Item_json_str_multipath(thd, list),
mode_insert(i_mode), mode_replace(r_mode) {}
void fix_length_and_dec();
String *val_str(String *);
uint get_n_paths() const { return arg_count/2; }
const char *func_name() const
{
return mode_insert ?
(mode_replace ? "json_set" : "json_insert") : "json_update";
}
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_func_json_insert>(thd, mem_root, this); }
};
class Item_func_json_remove: public Item_json_str_multipath
{
protected:
String tmp_js;
public:
Item_func_json_remove(THD *thd, List<Item> &list):
Item_json_str_multipath(thd, list) {}
void fix_length_and_dec();
String *val_str(String *);
uint get_n_paths() const { return arg_count - 1; }
const char *func_name() const { return "json_remove"; }
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_func_json_remove>(thd, mem_root, this); }
};
class Item_func_json_keys: public Item_str_func
{
protected:
json_path_with_flags path;
String tmp_js, tmp_path;
public:
Item_func_json_keys(THD *thd, List<Item> &list):
Item_str_func(thd, list) {}
const char *func_name() const { return "json_keys"; }
void fix_length_and_dec();
String *val_str(String *);
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_func_json_keys>(thd, mem_root, this); }
};
class Item_func_json_search: public Item_json_str_multipath
{
protected:
String tmp_js;
bool mode_one;
bool ooa_constant, ooa_parsed;
int escape;
int n_path_found;
json_path_t sav_path;
int compare_json_value_wild(json_engine_t *je, const String *cmp_str);
public:
Item_func_json_search(THD *thd, List<Item> &list):
Item_json_str_multipath(thd, list) {}
const char *func_name() const { return "json_search"; }
bool fix_fields(THD *thd, Item **ref);
void fix_length_and_dec();
String *val_str(String *);
uint get_n_paths() const { return arg_count > 4 ? arg_count - 4 : 0; }
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_func_json_search>(thd, mem_root, this); }
};
class Item_json_typecast: public Item_str_func
{
public:
Item_json_typecast(THD *thd, Item *a): Item_str_func(thd, a) {}
const char *func_name() const { return "cast_as_json"; }
bool is_json_type() { return true; }
void fix_length_and_dec();
String *val_str(String *str)
{
return args[0]->val_str(str);
}
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_json_typecast>(thd, mem_root, this); }
};
#endif /* ITEM_JSONFUNC_INCLUDED */
sql/lex.h
View file @ ebe5ebba
......@@ -309,6 +309,7 @@ static SYMBOL symbols[] = {
{ "ITERATE", SYM(ITERATE_SYM)},
{ "INVOKER", SYM(INVOKER_SYM)},
{ "JOIN", SYM(JOIN_SYM)},
{ "JSON", SYM(JSON_SYM)},
{ "KEY", SYM(KEY_SYM)},
{ "KEYS", SYM(KEYS)},
{ "KEY_BLOCK_SIZE", SYM(KEY_BLOCK_SIZE)},
......
sql/sql_yacc.yy
View file @ ebe5ebba
......@@ -1324,6 +1324,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token ISSUER_SYM
%token ITERATE_SYM
%token JOIN_SYM /* SQL-2003-R */
%token JSON_SYM
%token KEYS
%token KEY_BLOCK_SIZE
%token KEY_SYM /* SQL-2003-N */
......@@ -10709,6 +10710,7 @@ cast_type:
}
| cast_type_numeric { $$= $1; Lex->charset= NULL; }
| cast_type_temporal { $$= $1; Lex->charset= NULL; }
| JSON_SYM { $$.set(ITEM_CAST_JSON); }
;
cast_type_numeric:
......@@ -13226,11 +13228,10 @@ opt_extended_describe:
opt_format_json:
/* empty */ {}
| FORMAT_SYM '=' JSON_SYM { Lex->explain_json= true; }
| FORMAT_SYM '=' ident_or_text
{
if (!my_strcasecmp(system_charset_info, $3.str, "JSON"))
Lex->explain_json= true;
else if (!my_strcasecmp(system_charset_info, $3.str, "TRADITIONAL"))
if (!my_strcasecmp(system_charset_info, $3.str, "TRADITIONAL"))
DBUG_ASSERT(Lex->explain_json==false);
else
my_yyabort_error((ER_UNKNOWN_EXPLAIN_FORMAT, MYF(0), $3.str));
......
storage/connect/mysql-test/connect/disabled.def
View file @ ebe5ebba
......@@ -13,5 +13,6 @@ jdbc : Variable settings depend on machine configuration
jdbc_new : Variable settings depend on machine configuration
jdbc_oracle : Variable settings depend on machine configuration
jdbc_postgresql : Variable settings depend on machine configuration
json : TABLE_TYPE = JSON conflicts with the SQL syntax
json_udf : conflicts with the server JSON functions
json_udf_bin : conflicts with the server JSON functions
strings/json_lib.c
View file @ ebe5ebba
......@@ -1174,7 +1174,7 @@ static int handle_match(json_engine_t *je, json_path_t *p,
Check if the name of the current JSON key matches
the step of the path.
*/
static int json_key_matches(json_engine_t *je, json_string_t *k)
int json_key_matches(json_engine_t *je, json_string_t *k)
{
while (json_read_keyname_chr(je) == 0)
{
......@@ -1409,6 +1409,8 @@ int json_unescape(CHARSET_INFO *json_cs,
CHARSET_INFO *res_cs, uchar *res, uchar *res_end)
{
json_string_t s;
const uchar *res_b= res;
json_string_setup(&s, json_cs, json_str, json_end);
while (json_read_string_const_chr(&s) == 0)
{
......@@ -1434,7 +1436,7 @@ int json_unescape(CHARSET_INFO *json_cs,
return -1;
}
return s.error ? 1 : 0;
return s.error==JE_EOS ? res - res_b : -1;
}
......
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