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34 lines
1.2 KiB
SQL
34 lines
1.2 KiB
SQL
DROP TABLE IF EXISTS table_with_defaults_on_aliases;
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CREATE TABLE table_with_defaults_on_aliases (col1 UInt32, col2 ALIAS col1, col3 DEFAULT col2) Engine = MergeTree() ORDER BY tuple();
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SYSTEM STOP MERGES table_with_defaults_on_aliases;
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INSERT INTO table_with_defaults_on_aliases (col1) VALUES (1);
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SELECT * FROM table_with_defaults_on_aliases WHERE col1 = 1;
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SELECT col1, col2, col3 FROM table_with_defaults_on_aliases WHERE col1 = 1;
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SELECT col3 FROM table_with_defaults_on_aliases; -- important to check without WHERE
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ALTER TABLE table_with_defaults_on_aliases ADD COLUMN col4 UInt64 DEFAULT col2 * col3;
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INSERT INTO table_with_defaults_on_aliases (col1) VALUES (2);
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SELECT * FROM table_with_defaults_on_aliases WHERE col1 = 2;
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SELECT col1, col2, col3, col4 FROM table_with_defaults_on_aliases WHERE col1 = 2;
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ALTER TABLE table_with_defaults_on_aliases ADD COLUMN col5 UInt64 ALIAS col2 * col4;
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INSERT INTO table_with_defaults_on_aliases (col1) VALUES (3);
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SELECT * FROM table_with_defaults_on_aliases WHERE col1 = 3;
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SELECT col1, col2, col3, col4, col5 FROM table_with_defaults_on_aliases WHERE col1 = 3;
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ALTER TABLE table_with_defaults_on_aliases ADD COLUMN col6 UInt64 MATERIALIZED col2 * col4;
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DROP TABLE IF EXISTS table_with_defaults_on_aliases;
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