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Merge branch 'MDEV-16620' of https://github.com/markus456/server into bb-10.5-hf

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Conflicts:
	sql/sql_yacc.yy
This commit is contained in:
Alexey Botchkov
2019-10-10 00:31:59 +04:00
parent b37386d854 d0fc07c85f
commit 7dc74bb3b5
9 changed files with 380 additions and 5 deletions
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150
mysql-test/main/func_json.result
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@ -1051,5 +1051,155 @@ SELECT * FROM t1 WHERE CASE WHEN JSON_OBJECT('x', (SELECT MAX(a=2) FROM t1))='{"
a
DROP TABLE t1;
#
# MDEV-16620 JSON_ARRAYAGG
#
#
# Integer aggregation
#
CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES (1, 1),(2, 1), (1, 1),(2, 1), (3, 2),(2, 2),(2, 2),(2, 2);
SELECT JSON_VALID(JSON_ARRAYAGG(a)) FROM t1;
JSON_VALID(JSON_ARRAYAGG(a))
1
SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1;
JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
[1,2,1,2,3,2,2,2] [1,1,1,1,2,2,2,2]
SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1 GROUP BY b;
JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
[1,2,1,2] [1,1,1,1]
[3,2,2,2] [2,2,2,2]
DROP TABLE t1;
#
# Real aggregation
#
CREATE TABLE t1 (a FLOAT, b DOUBLE, c DECIMAL(10, 2));
INSERT INTO t1 VALUES (1.0, 2.0, 3.0),(1.0, 3.0, 9.0),(1.0, 4.0, 16.0),(1.0, 5.0, 25.0);
SELECT JSON_VALID(JSON_ARRAYAGG(a)) FROM t1;
JSON_VALID(JSON_ARRAYAGG(a))
1
SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b), JSON_ARRAYAGG(c) FROM t1;
JSON_ARRAYAGG(a) JSON_ARRAYAGG(b) JSON_ARRAYAGG(c)
[1,1,1,1] [2,3,4,5] [3.00,9.00,16.00,25.00]
DROP TABLE t1;
#
# Boolean aggregation
#
CREATE TABLE t1 (a BOOLEAN, b BOOLEAN);
INSERT INTO t1 VALUES (TRUE, TRUE), (TRUE, FALSE), (FALSE, TRUE), (FALSE, FALSE);
SELECT JSON_VALID(JSON_ARRAYAGG(a)) FROM t1;
JSON_VALID(JSON_ARRAYAGG(a))
1
SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1;
JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
[1,1,0,0] [1,0,1,0]
SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1 GROUP BY b;
JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
[1,0] [0,0]
[1,0] [1,1]
SELECT JSON_ARRAYAGG(TRUE), JSON_ARRAYAGG(FALSE) FROM t1;
JSON_ARRAYAGG(TRUE) JSON_ARRAYAGG(FALSE)
[true,true,true,true] [false,false,false,false]
DROP TABLE t1;
#
# Aggregation of strings with quoted
#
CREATE TABLE t1 (a VARCHAR(80));
INSERT INTO t1 VALUES
('"double_quoted_value"'), ("'single_quoted_value'"),
('"double_quoted_value"'), ("'single_quoted_value'");
SELECT JSON_VALID(JSON_ARRAYAGG(a)) FROM t1;
JSON_VALID(JSON_ARRAYAGG(a))
1
SELECT JSON_ARRAYAGG(a) FROM t1;
JSON_ARRAYAGG(a)
["\"double_quoted_value\"","'single_quoted_value'","\"double_quoted_value\"","'single_quoted_value'"]
DROP TABLE t1;
#
# Strings and NULLs
#
CREATE TABLE t1 (a INT, b VARCHAR(80));
INSERT INTO t1 VALUES
(1, "Hello"),(1, "World"), (2, "This"),(2, "Will"), (2, "Work"),(2, "!"), (3, NULL),
(1, "Hello"),(1, "World"), (2, "This"),(2, "Will"), (2, "Work"),(2, "!"), (3, NULL);
SELECT JSON_VALID(JSON_ARRAYAGG(b)) FROM t1;
JSON_VALID(JSON_ARRAYAGG(b))
1
SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1;
JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
[1,1,2,2,2,2,3,1,1,2,2,2,2,3] ["Hello","World","This","Will","Work","!",null,"Hello","World","This","Will","Work","!",null]
SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1 GROUP BY a;
JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
[1,1,1,1] ["Hello","World","Hello","World"]
[2,2,2,2,2,2,2,2] ["!","Work","Will","This","Will","This","!","Work"]
[3,3] [null,null]
#
# DISTINCT and LIMIT
#
SELECT JSON_ARRAYAGG(b LIMIT 1) FROM t1;
JSON_ARRAYAGG(b LIMIT 1)
["Hello"]
SELECT JSON_ARRAYAGG(b LIMIT 2) FROM t1;
JSON_ARRAYAGG(b LIMIT 2)
["Hello","World"]
SELECT JSON_ARRAYAGG(b LIMIT 1) FROM t1 GROUP BY b;
JSON_ARRAYAGG(b LIMIT 1)
[null]
["!"]
["Hello"]
["This"]
["Will"]
["Work"]
["World"]
SELECT JSON_ARRAYAGG(b LIMIT 2) FROM t1 GROUP BY a;
JSON_ARRAYAGG(b LIMIT 2)
["Hello","World"]
["!","Work"]
[null,null]
SELECT JSON_ARRAYAGG(DISTINCT a) FROM t1;
JSON_ARRAYAGG(DISTINCT a)
[1,2,3]
SELECT JSON_ARRAYAGG(DISTINCT b) FROM t1;
JSON_ARRAYAGG(DISTINCT b)
["Hello","World","This","Will","Work","!",null]
SELECT JSON_ARRAYAGG(DISTINCT a LIMIT 2) FROM t1;
JSON_ARRAYAGG(DISTINCT a LIMIT 2)
[1,2]
SELECT JSON_ARRAYAGG(DISTINCT b LIMIT 2) FROM t1;
JSON_ARRAYAGG(DISTINCT b LIMIT 2)
["Hello","World"]
#
# JSON aggregation
#
SELECT JSON_VALID(JSON_ARRAYAGG(JSON_ARRAY(a, b))) FROM t1;
JSON_VALID(JSON_ARRAYAGG(JSON_ARRAY(a, b)))
1
SELECT JSON_ARRAYAGG(JSON_ARRAY(a, b)) FROM t1;
JSON_ARRAYAGG(JSON_ARRAY(a, b))
[[1, "Hello"],[1, "World"],[2, "This"],[2, "Will"],[2, "Work"],[2, "!"],[3, null],[1, "Hello"],[1, "World"],[2, "This"],[2, "Will"],[2, "Work"],[2, "!"],[3, null]]
SELECT JSON_ARRAYAGG(JSON_ARRAY(a, b)) FROM t1 GROUP BY a;
JSON_ARRAYAGG(JSON_ARRAY(a, b))
[[1, "Hello"],[1, "World"],[1, "Hello"],[1, "World"]]
[[2, "!"],[2, "Work"],[2, "Will"],[2, "This"],[2, "Will"],[2, "This"],[2, "!"],[2, "Work"]]
[[3, null],[3, null]]
SELECT JSON_VALID(JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b))) FROM t1;
JSON_VALID(JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b)))
1
SELECT JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b)) FROM t1;
JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b))
[{"a": 1, "b": "Hello"},{"a": 1, "b": "World"},{"a": 2, "b": "This"},{"a": 2, "b": "Will"},{"a": 2, "b": "Work"},{"a": 2, "b": "!"},{"a": 3, "b": null},{"a": 1, "b": "Hello"},{"a": 1, "b": "World"},{"a": 2, "b": "This"},{"a": 2, "b": "Will"},{"a": 2, "b": "Work"},{"a": 2, "b": "!"},{"a": 3, "b": null}]
SELECT JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b)) FROM t1 GROUP BY a;
JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b))
[{"a": 1, "b": "Hello"},{"a": 1, "b": "World"},{"a": 1, "b": "Hello"},{"a": 1, "b": "World"}]
[{"a": 2, "b": "!"},{"a": 2, "b": "Work"},{"a": 2, "b": "Will"},{"a": 2, "b": "This"},{"a": 2, "b": "Will"},{"a": 2, "b": "This"},{"a": 2, "b": "!"},{"a": 2, "b": "Work"}]
[{"a": 3, "b": null},{"a": 3, "b": null}]
#
# Error checks
#
SELECT JSON_ARRAYAGG(a, b) FROM t1;
ERROR 42000: Incorrect parameter count in the call to native function 'JSON_ARRAYAGG'
SELECT JSON_ARRAYAGG(JSON_ARRAYAGG(a, b)) FROM t1;
ERROR HY000: Invalid use of group function
DROP TABLE t1;
#
# End of 10.4 tests
#