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33 commits

Author SHA1 Message Date
Alexey Botchkov
ffc5e00e9c MDEV-21915 Server crashes in copy_fields,Item_func_group_concat::add … 
…while using json_arrayagg() as a window function.

We don't support JSON_ARRAYAGG and JSON_OBJECTAGG in window functions
yet.
 2020-04-29 10:35:49 +04:00
Alexander Barkov
e40858a7bd MDEV-17832 Protocol: extensions for Pluggable types and JSON, GEOMETRY 2020-03-10 20:43:32 +04:00
Alexey Botchkov
ba8e5e689c MDEV-16620 JSON_ARRAYAGG and JSON_OBJECTAGG. 
Ison_objectagg implemented.
 2019-10-14 14:24:22 +04:00
Markus Mäkelä
d0fc07c85f
MDEV-16620: Add JSON_ARRAYAGG function 
The JSON_ARRAYAGG function extends the GROUP_CONCAT function and provides
a method of aggregating JSON results. The current implementation supports
DISTINCT and LIMIT but not ORDER BY (Oracle supports GROUP BY).

Adding GROUP BY support is possible but it requires some extra work as the
grouping appears to be done inside a temporary table that complicates
matters.

Added test cases that covert aggregation of all JSON types and JSON
validation for the generated results.
 2019-07-04 13:12:08 +03:00
Vladislav Vaintroub
0efe50ec35 Remove the most annoying clang-cl warnings 
Fix "consistent override", and "unused private field" warnings
in popular header files.
 2019-06-30 17:48:19 +02:00
Alexander Barkov
323a87b591 MDEV-19888 Add abstract class Item_json_func 2019-06-28 12:35:02 +04:00
Sergei Golubchik
c1fd027115 Merge branch '10.2' into 10.3 2019-05-17 17:23:01 +02:00
Alexey Botchkov
cd16d6d518 MDEV-13992 Implement JSON_MERGE_PATCH. 
JSON_MERGE_PATCH implemented. Added JSON_MERGE_PRESERVE as a synonim for
the JSON_MERGE.
 2019-05-17 11:53:58 +04:00
Sergei Golubchik
57e0da50bb Merge branch '10.2' into 10.3 2018-09-28 16:37:06 +02:00
Alexey Botchkov
a93363022c MDEV-17018 JSON_SEARCH and User-Defined Variables. 
Item_func_json_search needs a member to store the path.
 2018-09-12 21:57:28 +04:00
Oleksandr Byelkin
083279f783 Merge commit '6b8802e8dd5467556a024d807a1df23940b00895' into bb-10.3-fix_len_dec 2018-06-19 14:51:50 +02:00
Oleksandr Byelkin
6b8802e8dd MDEV-11071: Assertion `thd->transaction.stmt.is_empty()' failed in Locked_tables_list::unlock_locked_table 
fix_length_and_dec now return result (error/OK)
 2018-06-15 10:31:30 +02:00
Michael Widenius
166056f744 Remove not used mem_root argument from build_clone(), get_copy() and get_item_copy() 
TODO:
- Make get_thd_memroot() inline
  - To do this, we need to reduce dependence of include files, especially
    so that sql_class.h is not depending in item.h
 2017-11-23 09:49:45 +02:00
Alexander Barkov
6857cb57fe MDEV-13967 Parameter data type control for Item_long_func 
- Implementing stricter data type control for Item_long_func descendants
- Cleanup: renaming Type_handler::can_return_str_ascii() to can_return_text()
  (a better name).
 2017-10-01 00:30:58 +04:00
Alexander Barkov
178540b904 Merge remote-tracking branch 'origin/10.2' into bb-10.2-ext 2017-09-13 12:12:05 +04:00
Alexey Botchkov
80a3837283 MDEV-12877 Wrong result from JSON native function. 
JSON_QUOTE return type set to be JSON.
 2017-09-12 19:15:31 +04:00
Alexey Botchkov
2ebb1380d6 MDEV-12604 Comparison of JSON_EXTRACT result differs with Mysql. 
JSON_EXTRACT behaves specifically in the comparison,
        so we have to implement specific method for that in
        Arg_comparator.

Conflicts:
	sql/item_cmpfunc.cc
 2017-08-11 09:02:55 +04:00
Alexey Botchkov
79d2853354 MDEV-12604 Comparison of JSON_EXTRACT result differs with Mysql. 
JSON_EXTRACT behaves specifically in the comparison,
        so we have to implement specific method for that in
        Arg_comparator.
 2017-08-11 00:50:29 +04:00
Marko Mäkelä
0930d6698f Merge 10.2 into bb-10.2-ext 2017-08-09 12:35:21 +03:00
Alexey Botchkov
bb71d9abf2 MDEV-12604 Comparison of JSON_EXTRACT result differs with Mysql. 
Comparison fixed to take the actual type of JSON value into
        account. Bug in escaping handling fixed.
 2017-08-08 10:35:26 +04:00
Alexander Barkov
a8caa8e04a MDEV-12854 Synchronize CREATE..SELECT data type and result set metadata data type for INT functions 2017-05-20 16:29:11 +04:00
Alexey Botchkov
af6eee1fc5 MDEV-11833 JSON functions don't seem to respect max_allowed_packet. 
Now let's check JSON length to fit the max_allowed packet.
 2017-03-14 17:31:14 +04:00
Alexey Botchkov
7c7c0696e7 MDEV-11856 json_search doesn't search for values with double quotes 
character (").

        The my_wildcmp function doesn't expect the string parameter to
        have escapements, only the template. So the string
        should be unescaped if necessary.
 2017-03-14 15:25:02 +04:00
Sergei Golubchik
6f6d0531dc MDEV-11439 No data type JSON, but CAST(something AS JSON) pretends to work 
Use JSON_COMPACT(X) instead of CAST(X AS JSON).
Bonus - X is validated to be a valid JSON.
Fix a typo in the error message.
 2017-02-14 20:43:41 +01:00
Alexey Botchkov
f76d5fefb8 MDEV-11439 No data type JSON, but CAST(something AS JSON) pretends to 
work.

        json_detailed() fixed
 2017-02-14 17:51:03 +04:00
Alexey Botchkov
abf7582112 MDEV-11557 port MySQL-5.7 JSON tests to MariaDB. 
Fixes for issues found.
 2017-02-06 06:47:48 +04:00
Alexey Botchkov
50831b0f19 MDEV-11557 port MySQL-5.7 JSON tests to MariaDB. 
json_no_table.test ported.
 2017-01-24 17:34:44 +04:00
Alexey Botchkov
3a1772798d MDEV-11573 JSON_LENGTH returns incorrect results. 
Item_func_json_length fixed.
 2016-12-24 11:40:31 +04:00
Alexey Botchkov
9320d8ae30 MDEV-11453 JSON_CONTAINS returns incorrect values. 
The weird logic of json_contains was implemented.
 2016-12-11 01:12:33 +04:00
Alexey Botchkov
3bae5328ea MDEV-11433 JSON_MERGE returns a non-NULL result with a NULL argument. 
Item_func_json_merge fixed.
 2016-12-06 01:32:13 +04:00
Alexey Botchkov
eca1579051 MDEV-11444 Server crashes in String::ptr / Item_func_json_depth::val_int. 
CAST AS JSON didn't set the null_value mark properly.
 2016-12-03 11:32:47 +04:00
Alexey Botchkov
ebe5ebba16 MDEV-9143 JSON_xxx functions. 
The rest of mysql/json functions implemented.
        CAST AS JSON implemented.
 2016-11-15 17:04:31 +04:00
Alexey Botchkov
27025221fe MDEV-9143 JSON_xxx functions. 
strings/json_lib.c added as a JSON library.
        SQL frunction added with sql/item_jsonfunc.h/cc
 2016-10-19 14:10:03 +04:00