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More defaults on defaults

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alesapin 2020-10-02 15:51:01 +03:00
parent 17b86dec96
commit 7d41afa342
2 changed files with 43 additions and 0 deletions
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tests/queries/0_stateless/01513_defaults_on_defaults_no_column.reference Normal file
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CREATE TABLE default.defaults_on_defaults\n(\n `key` UInt64,\n `Arr.C1` Array(UInt32) DEFAULT emptyArrayUInt32(),\n `Arr.C2` Array(UInt32) DEFAULT arrayResize(emptyArrayUInt32(), length(Arr.C1)),\n `Arr.C3` Array(UInt32) ALIAS arrayResize(emptyArrayUInt32(), length(Arr.C2)),\n `Arr.C4` Array(UInt32) DEFAULT arrayResize(emptyArrayUInt32(), length(Arr.C3)),\n `ArrLen` UInt64 DEFAULT length(Arr.C4)\n)\nENGINE = MergeTree()\nORDER BY tuple()\nSETTINGS index_granularity = 8192
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tests/queries/0_stateless/01513_defaults_on_defaults_no_column.sql Normal file
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DROP TABLE IF EXISTS defaults_on_defaults;
CREATE TABLE defaults_on_defaults (
key UInt64
)
ENGINE = MergeTree()
ORDER BY tuple();
INSERT INTO defaults_on_defaults values (1);
ALTER TABLE defaults_on_defaults ADD COLUMN `Arr.C1` Array(UInt32) DEFAULT emptyArrayUInt32();
ALTER TABLE defaults_on_defaults ADD COLUMN `Arr.C2` Array(UInt32) DEFAULT arrayResize(emptyArrayUInt32(), length(Arr.C1));
ALTER TABLE defaults_on_defaults ADD COLUMN `Arr.C3` Array(UInt32) ALIAS arrayResize(emptyArrayUInt32(), length(Arr.C2));
SELECT 1 from defaults_on_defaults where length(`Arr.C2`) = 0;
SELECT 1 from defaults_on_defaults where length(`Arr.C3`) = 0;
ALTER TABLE defaults_on_defaults ADD COLUMN `Arr.C4` Array(UInt32) DEFAULT arrayResize(emptyArrayUInt32(), length(Arr.C3));
SELECT 1 from defaults_on_defaults where length(`Arr.C4`) = 0;
ALTER TABLE defaults_on_defaults ADD COLUMN `ArrLen` UInt64 DEFAULT length(Arr.C4);
SELECT 1 from defaults_on_defaults where ArrLen = 0;
SELECT * from defaults_on_defaults where ArrLen = 0;
SHOW CREATE TABLE defaults_on_defaults;
OPTIMIZE TABLE defaults_on_defaults FINAL;
SELECT 1 from defaults_on_defaults where length(`Arr.C4`) = 0;
DROP TABLE IF EXISTS defaults_on_defaults;