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32 lines
1.2 KiB
SQL
32 lines
1.2 KiB
SQL
-- Tags: no-parallel
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DROP TABLE IF EXISTS 02483_substitute_udf;
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DROP FUNCTION IF EXISTS 02483_plusone;
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DROP FUNCTION IF EXISTS 02483_plustwo;
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DROP FUNCTION IF EXISTS 02483_plusthree;
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-- { echo }
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CREATE FUNCTION 02483_plusone AS (a) -> a + 1;
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CREATE TABLE 02483_substitute_udf (id UInt32, number UInt32 DEFAULT 02483_plusone(id)) ENGINE=MergeTree() ORDER BY id;
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DESC TABLE 02483_substitute_udf;
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INSERT INTO 02483_substitute_udf (id, number) VALUES (1, NULL);
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SELECT * FROM 02483_substitute_udf ORDER BY id;
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CREATE FUNCTION 02483_plustwo AS (a) -> a + 2;
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ALTER TABLE 02483_substitute_udf MODIFY COLUMN number UInt32 DEFAULT 02483_plustwo(id);
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DESC TABLE 02483_substitute_udf;
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INSERT INTO 02483_substitute_udf (id, number) VALUES (5, NULL);
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SELECT * FROM 02483_substitute_udf ORDER BY id;
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CREATE FUNCTION 02483_plusthree AS (a) -> a + 3;
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ALTER TABLE 02483_substitute_udf DROP COLUMN number;
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ALTER TABLE 02483_substitute_udf ADD COLUMN new_number UInt32 DEFAULT 02483_plusthree(id);
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DESC TABLE 02483_substitute_udf;
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INSERT INTO 02483_substitute_udf (id, new_number) VALUES (10, NULL);
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SELECT * FROM 02483_substitute_udf ORDER BY id;
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DROP TABLE 02483_substitute_udf;
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DROP FUNCTION 02483_plusone;
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DROP FUNCTION 02483_plustwo;
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DROP FUNCTION 02483_plusthree;
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