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286 lines
10 KiB
Plaintext
286 lines
10 KiB
Plaintext
DROP DATABASE IF EXISTS json_arrayagg_db;
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Warnings:
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Note 1008 Can't drop database 'json_arrayagg_db'; database doesn't exist
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CREATE DATABASE json_arrayagg_db;
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USE json_arrayagg_db;
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CREATE TABLE t1 (a INT, b INT)ENGINE=COLUMNSTORE;
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INSERT INTO t1 VALUES (1, 1),(2, 1), (1, 1),(2, 1), (3, 2),(2, 2),(2, 2),(2, 2);
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SELECT JSON_VALID(JSON_ARRAYAGG(a)) FROM t1;
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JSON_VALID(JSON_ARRAYAGG(a))
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1
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SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1;
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JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
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[1,2,1,2,3,2,2,2] [1,1,1,1,2,2,2,2]
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SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1 GROUP BY b;
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JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
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[1,2,1,2] [1,1,1,1]
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[3,2,2,2] [2,2,2,2]
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DROP TABLE t1;
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#
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# Real aggregation
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#
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CREATE TABLE t1 (a FLOAT, b DOUBLE, c DECIMAL(10, 2))ENGINE=COLUMNSTORE;
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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);
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SELECT JSON_VALID(JSON_ARRAYAGG(a)) FROM t1;
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JSON_VALID(JSON_ARRAYAGG(a))
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1
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SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b), JSON_ARRAYAGG(c) FROM t1;
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JSON_ARRAYAGG(a) JSON_ARRAYAGG(b) JSON_ARRAYAGG(c)
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[1,1,1,1] [2,3,4,5] [3.00,9.00,16.00,25.00]
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DROP TABLE t1;
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#
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# Boolean aggregation
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#
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CREATE TABLE t1 (a BOOLEAN, b BOOLEAN)ENGINE=COLUMNSTORE;
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INSERT INTO t1 VALUES (TRUE, TRUE), (TRUE, FALSE), (FALSE, TRUE), (FALSE, FALSE);
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SELECT JSON_VALID(JSON_ARRAYAGG(a)) FROM t1;
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JSON_VALID(JSON_ARRAYAGG(a))
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1
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SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1;
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JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
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[1,1,0,0] [1,0,1,0]
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SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1 GROUP BY b;
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JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
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[1,0] [0,0]
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[1,0] [1,1]
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SELECT JSON_ARRAYAGG(TRUE), JSON_ARRAYAGG(FALSE) FROM t1;
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JSON_ARRAYAGG(TRUE) JSON_ARRAYAGG(FALSE)
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[1,1,1,1] [0,0,0,0]
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DROP TABLE t1;
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#
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# Aggregation of strings with quoted
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#
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CREATE TABLE t1 (a VARCHAR(80))ENGINE=COLUMNSTORE;
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INSERT INTO t1 VALUES
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('"double_quoted_value"'), ("'single_quoted_value'"),
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('"double_quoted_value"'), ("'single_quoted_value'");
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SELECT JSON_VALID(JSON_ARRAYAGG(a)) FROM t1;
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JSON_VALID(JSON_ARRAYAGG(a))
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1
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SELECT JSON_ARRAYAGG(a) FROM t1;
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JSON_ARRAYAGG(a)
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["double_quoted_value","'single_quoted_value'","double_quoted_value","'single_quoted_value'"]
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DROP TABLE t1;
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#
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# Strings and NULLs
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#
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CREATE TABLE t1 (a INT, b VARCHAR(80))ENGINE=COLUMNSTORE;
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INSERT INTO t1 VALUES
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(1, "Hello"),(1, "World"), (2, "This"),(2, "Will"), (2, "Work"),(2, "!"), (3, NULL),
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(1, "Hello"),(1, "World"), (2, "This"),(2, "Will"), (2, "Work"),(2, "!"), (3, NULL);
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SELECT JSON_VALID(JSON_ARRAYAGG(b)) FROM t1;
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JSON_VALID(JSON_ARRAYAGG(b))
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1
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SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1;
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JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
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[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]
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SELECT JSON_ARRAYAGG(a), JSON_ARRAYAGG(b) FROM t1 GROUP BY a;
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JSON_ARRAYAGG(a) JSON_ARRAYAGG(b)
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[1,1,1,1] ["Hello","World","Hello","World"]
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[2,2,2,2,2,2,2,2] ["This","Will","Work","!","This","Will","Work","!"]
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[3,3] [null,null]
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#
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# DISTINCT and LIMIT
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#
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SELECT JSON_ARRAYAGG(b LIMIT 1) FROM t1;
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JSON_ARRAYAGG(b LIMIT 1)
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["Hello","World","This","Will","Work","!",null,"Hello","World","This","Will","Work","!",null]
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SELECT JSON_ARRAYAGG(b LIMIT 2) FROM t1;
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JSON_ARRAYAGG(b LIMIT 2)
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["Hello","World","This","Will","Work","!",null,"Hello","World","This","Will","Work","!",null]
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SELECT JSON_ARRAYAGG(b LIMIT 1) FROM t1 GROUP BY b;
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JSON_ARRAYAGG(b LIMIT 1)
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["!","!"]
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["Hello","Hello"]
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["This","This"]
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["Will","Will"]
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["Work","Work"]
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["World","World"]
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[null,null]
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SELECT JSON_ARRAYAGG(b LIMIT 2) FROM t1 GROUP BY a;
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JSON_ARRAYAGG(b LIMIT 2)
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["Hello","World","Hello","World"]
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["This","Will","Work","!","This","Will","Work","!"]
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[null,null]
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SELECT JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC) FROM t1;
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JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC)
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[1,2,3]
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SELECT JSON_ARRAYAGG(DISTINCT b ORDER BY b ASC) FROM t1;
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JSON_ARRAYAGG(DISTINCT b ORDER BY b ASC)
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[null,"!","Hello","This","Will","Work","World"]
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SELECT JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC LIMIT 2) FROM t1;
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JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC LIMIT 2)
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[1,2,3]
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SELECT JSON_ARRAYAGG(DISTINCT b ORDER BY b ASC LIMIT 2) FROM t1;
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JSON_ARRAYAGG(DISTINCT b ORDER BY b ASC LIMIT 2)
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[null,"!","Hello","This","Will","Work","World"]
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#
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# JSON aggregation
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#
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SELECT JSON_VALID(JSON_ARRAYAGG(JSON_ARRAY(a, b))) FROM t1;
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JSON_VALID(JSON_ARRAYAGG(JSON_ARRAY(a, b)))
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1
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SELECT JSON_ARRAYAGG(JSON_ARRAY(a, b)) FROM t1;
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JSON_ARRAYAGG(JSON_ARRAY(a, b))
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[[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]]
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SELECT JSON_ARRAYAGG(JSON_ARRAY(a, b)) FROM t1 GROUP BY a;
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JSON_ARRAYAGG(JSON_ARRAY(a, b))
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[[1, "Hello"],[1, "World"],[1, "Hello"],[1, "World"]]
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[[2, "This"],[2, "Will"],[2, "Work"],[2, "!"],[2, "This"],[2, "Will"],[2, "Work"],[2, "!"]]
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[[3, null],[3, null]]
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SELECT JSON_VALID(JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b))) FROM t1;
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JSON_VALID(JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b)))
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1
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SELECT JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b)) FROM t1;
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JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b))
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[{"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}]
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SELECT JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b)) FROM t1 GROUP BY a;
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JSON_ARRAYAGG(JSON_OBJECT('a', a, 'b', b))
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[{"a": 1, "b": "Hello"},{"a": 1, "b": "World"},{"a": 1, "b": "Hello"},{"a": 1, "b": "World"}]
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[{"a": 2, "b": "This"},{"a": 2, "b": "Will"},{"a": 2, "b": "Work"},{"a": 2, "b": "!"},{"a": 2, "b": "This"},{"a": 2, "b": "Will"},{"a": 2, "b": "Work"},{"a": 2, "b": "!"}]
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[{"a": 3, "b": null},{"a": 3, "b": null}]
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#
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# Error checks
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#
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SELECT JSON_ARRAYAGG(a, b) FROM t1;
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ERROR 42000: Incorrect parameter count in the call to native function 'JSON_ARRAYAGG'
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SELECT JSON_ARRAYAGG(JSON_ARRAYAGG(a, b)) FROM t1;
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ERROR 42000: Incorrect parameter count in the call to native function 'JSON_ARRAYAGG'
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SELECT JSON_ARRAYAGG(JSON_ARRAYAGG(a)) FROM t1;
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ERROR HY000: Invalid use of group function
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#
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#
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DROP TABLE t1;
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#
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#
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CREATE TABLE t1 (a INT)ENGINE=COLUMNSTORE;
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SELECT JSON_ARRAYAGG(a) FROM t1;
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JSON_ARRAYAGG(a)
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NULL
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DROP TABLE t1;
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#
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#
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select json_arrayagg(a) over () from (select 1 a) t;
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ERROR 42000: This version of MariaDB doesn't yet support 'JSON_ARRAYAGG() aggregate as window function'
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select json_objectagg(a, b) over () from (select 1 a, 2 b) t;
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ERROR 42000: This version of MariaDB doesn't yet support 'JSON_OBJECTAGG() aggregate as window function'
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SELECT JSON_ARRAYAGG(NULL) FROM (SELECT 1 AS t) AS A;
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JSON_ARRAYAGG(NULL)
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[null]
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SELECT JSON_ARRAYAGG("null") FROM (SELECT 1 AS t) AS A;
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JSON_ARRAYAGG("null")
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["null"]
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create view v as (select json_arrayagg(json_object("type", "permPeriod", "id", "asd")) as JSON_DATA);
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select * from v;
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JSON_DATA
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[{"type": "permPeriod", "id": "asd"}]
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drop view v;
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select json_arrayagg(a order by a asc) from (select 1 a union select 2 a) t;
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json_arrayagg(a order by a asc)
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[1,2]
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select json_object('x', json_arrayagg(json_object('a', 1)));
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json_object('x', json_arrayagg(json_object('a', 1)))
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{"x": [{"a": 1}]}
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#
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#
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CREATE TABLE t1(a INT, b INT)ENGINE=COLUMNSTORE;
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INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
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INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
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SELECT JSON_ARRAYAGG(a) FROM t1;
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JSON_ARRAYAGG(a)
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[1,2,3,1,2,3]
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SELECT JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC) FROM t1;
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JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC)
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[1,2,3]
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INSERT INTO t1 VALUES (NULL,NULL), (NULL,NULL);
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SELECT JSON_ARRAYAGG(a) FROM t1;
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JSON_ARRAYAGG(a)
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[1,2,3,1,2,3,null,null]
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SELECT JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC) FROM t1;
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JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC)
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[null,1,2,3]
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DROP TABLE t1;
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CREATE TABLE t1(a VARCHAR(10), b INT)ENGINE=COLUMNSTORE;
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INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
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INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
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SELECT JSON_ARRAYAGG(a) FROM t1;
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JSON_ARRAYAGG(a)
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[1,2,3,1,2,3]
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SELECT JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC) FROM t1;
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JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC)
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[1,2,3]
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INSERT INTO t1 VALUES (NULL,NULL), (NULL,NULL);
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SELECT JSON_ARRAYAGG(a) FROM t1;
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JSON_ARRAYAGG(a)
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[1,2,3,1,2,3,null,null]
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SELECT JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC) FROM t1;
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JSON_ARRAYAGG(DISTINCT a ORDER BY a ASC)
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[null,1,2,3]
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DROP TABLE t1;
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#
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#
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CREATE TABLE t1(a VARCHAR(255))ENGINE=COLUMNSTORE;
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INSERT INTO t1 VALUES ('red'),('blue');
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SELECT JSON_ARRAYAGG(a) FROM t1;
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JSON_ARRAYAGG(a)
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["red","blue"]
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SELECT JSON_ARRAYAGG(a ORDER BY a DESC) FROM t1;
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JSON_ARRAYAGG(a ORDER BY a DESC)
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["red","blue"]
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SELECT JSON_ARRAYAGG(a ORDER BY a ASC) FROM t1;
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JSON_ARRAYAGG(a ORDER BY a ASC)
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["blue","red"]
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INSERT INTO t1 VALUES (NULL);
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SELECT JSON_ARRAYAGG(a) FROM t1;
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JSON_ARRAYAGG(a)
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["red","blue",null]
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SELECT JSON_ARRAYAGG(a ORDER BY a DESC) FROM t1;
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JSON_ARRAYAGG(a ORDER BY a DESC)
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["red","blue",null]
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SELECT JSON_ARRAYAGG(a ORDER BY a ASC) FROM t1;
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JSON_ARRAYAGG(a ORDER BY a ASC)
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[null,"blue","red"]
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DROP TABLE t1;
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set group_concat_max_len=64;
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create table t1 (a varchar(254))ENGINE=COLUMNSTORE;
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insert into t1 values (concat('x64-', repeat('a', 60)));
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insert into t1 values (concat('x64-', repeat('b', 60)));
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insert into t1 values (concat('x64-', repeat('c', 60)));
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select json_arrayagg(a) from t1;
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json_arrayagg(a)
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["x64-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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drop table t1;
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SET group_concat_max_len= default;
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CREATE TABLE t1(id int, name varchar(50))ENGINE=COLUMNSTORE;
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CREATE TABLE t2(id int, owner_id int)ENGINE=COLUMNSTORE;
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INSERT INTO t1 VALUES (1, "name1"), (2, "name2"), (3, "name3");
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INSERT INTO t2 VALUES (1, 1), (2, 1), (3, 2), (4, 3);
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SELECT t1.id, JSON_ARRAYAGG(JSON_OBJECT('id',t2.id) ORDER BY t2.id) as materials
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from t1 LEFT JOIN t2 on t1.id = t2.owner_id
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GROUP BY t1.id ORDER BY id;
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id materials
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1 [{"id": 1},{"id": 2}]
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2 [{"id": 3}]
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3 [{"id": 4}]
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DROP TABLE t1;
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DROP TABLE t2;
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#
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#
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SELECT json_object('a', if(1, json_object('b', 'c'), json_object('e', 'f')));
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json_object('a', if(1, json_object('b', 'c'), json_object('e', 'f')))
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{"a": {"b": "c"}}
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SELECT json_object('a', coalesce(json_object('b', 'c')));
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json_object('a', coalesce(json_object('b', 'c')))
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{"a": {"b": "c"}}
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#
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#
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CREATE TABLE t (a VARCHAR(8))ENGINE=COLUMNSTORE;
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CREATE VIEW v AS SELECT * FROM t;
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INSERT INTO t VALUES ('foo'),('bar');
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SELECT JSON_ARRAYAGG(a) AS f FROM v;
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f
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["foo","bar"]
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DROP VIEW v;
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DROP TABLE t;
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DROP DATABASE IF EXISTS json_arrayagg_db;
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