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fix(PrimProc): MCOL-5394 JSON_ARRAYAGG in MCS works differently than in InnoDB

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Aleksei Antipovskii
2025-03-27 03:38:42 +01:00
committed by Alexey Antipovsky
parent 21ebd1ac20
commit c618fa284d
4 changed files with 315 additions and 43 deletions
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32
mysql-test/columnstore/basic/r/func_jsonarrayagg.result
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@ -73,47 +73,47 @@ 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","!","Hello","World","This","Will","Work","!"]
[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] ["This","Will","Work","!","This","Will","Work","!"]
[3,3]
[3,3] [null,null]
#
# DISTINCT and LIMIT
#
SELECT JSON_ARRAYAGG(b LIMIT 1) FROM t1;
JSON_ARRAYAGG(b LIMIT 1)
["Hello","World","This","Will","Work","!","Hello","World","This","Will","Work","!"]
["Hello","World","This","Will","Work","!",null,"Hello","World","This","Will","Work","!",null]
SELECT JSON_ARRAYAGG(b LIMIT 2) FROM t1;
JSON_ARRAYAGG(b LIMIT 2)
["Hello","World","This","Will","Work","!","Hello","World","This","Will","Work","!"]
["Hello","World","This","Will","Work","!",null,"Hello","World","This","Will","Work","!",null]
SELECT JSON_ARRAYAGG(b LIMIT 1) FROM t1 GROUP BY b;
JSON_ARRAYAGG(b LIMIT 1)
["!","!"]
["Hello","Hello"]
["This","This"]
["Will","Will"]
["Work","Work"]
["World","World"]
[null,null]
SELECT JSON_ARRAYAGG(b LIMIT 2) FROM t1 GROUP BY a;
JSON_ARRAYAGG(b LIMIT 2)
["Hello","World","Hello","World"]
["This","Will","Work","!","This","Will","Work","!"]
[null,null]
SELECT JSON_ARRAYAGG(DISTINCT a) FROM t1;
JSON_ARRAYAGG(DISTINCT a)
[3,2,1]
SELECT JSON_ARRAYAGG(DISTINCT b) FROM t1;
JSON_ARRAYAGG(DISTINCT b)
["Will","World","Work","!","This","Hello"]
["Will","World","Work",null,"!","This","Hello"]
SELECT JSON_ARRAYAGG(DISTINCT a LIMIT 2) FROM t1;
JSON_ARRAYAGG(DISTINCT a LIMIT 2)
[3,2,1]
SELECT JSON_ARRAYAGG(DISTINCT b LIMIT 2) FROM t1;
JSON_ARRAYAGG(DISTINCT b LIMIT 2)
["Will","World","Work","!","This","Hello"]
["Will","World","Work",null,"!","This","Hello"]
#
# JSON aggregation
#
@ -156,7 +156,7 @@ DROP TABLE t1;
CREATE TABLE t1 (a INT)ENGINE=COLUMNSTORE;
SELECT JSON_ARRAYAGG(a) FROM t1;
JSON_ARRAYAGG(a)
NULL
DROP TABLE t1;
#
#
@ -195,10 +195,10 @@ JSON_ARRAYAGG(DISTINCT a)
INSERT INTO t1 VALUES (NULL,NULL), (NULL,NULL);
SELECT JSON_ARRAYAGG(a) FROM t1;
JSON_ARRAYAGG(a)
[1,2,3,1,2,3]
[1,2,3,1,2,3,null,null]
SELECT JSON_ARRAYAGG(DISTINCT a) FROM t1;
JSON_ARRAYAGG(DISTINCT a)
[3,2,1]
[null,2,3,1]
DROP TABLE t1;
CREATE TABLE t1(a VARCHAR(10), b INT)ENGINE=COLUMNSTORE;
INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
@ -212,10 +212,10 @@ JSON_ARRAYAGG(DISTINCT a)
INSERT INTO t1 VALUES (NULL,NULL), (NULL,NULL);
SELECT JSON_ARRAYAGG(a) FROM t1;
JSON_ARRAYAGG(a)
[1,2,3,1,2,3]
[1,2,3,1,2,3,null,null]
SELECT JSON_ARRAYAGG(DISTINCT a) FROM t1;
JSON_ARRAYAGG(DISTINCT a)
[3,2,1]
[null,2,3,1]
DROP TABLE t1;
#
#
@ -233,13 +233,13 @@ JSON_ARRAYAGG(a ORDER BY a ASC)
INSERT INTO t1 VALUES (NULL);
SELECT JSON_ARRAYAGG(a) FROM t1;
JSON_ARRAYAGG(a)
["red","blue"]
["red","blue",null]
SELECT JSON_ARRAYAGG(a ORDER BY a DESC) FROM t1;
JSON_ARRAYAGG(a ORDER BY a DESC)
["red","blue"]
["red","blue",null]
SELECT JSON_ARRAYAGG(a ORDER BY a ASC) FROM t1;
JSON_ARRAYAGG(a ORDER BY a ASC)
["blue","red"]
[null,"blue","red"]
DROP TABLE t1;
set group_concat_max_len=64;
create table t1 (a varchar(254))ENGINE=COLUMNSTORE;