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44 lines
2.0 KiB
SQL
44 lines
2.0 KiB
SQL
DROP TABLE IF EXISTS table_for_rename;
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CREATE TABLE table_for_rename
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(
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date Date,
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key UInt64,
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value1 String,
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value2 String,
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value3 String,
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CONSTRAINT cs_value1 CHECK toInt64(value1) < toInt64(value2),
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CONSTRAINT cs_value2 CHECK toInt64(value2) < toInt64(value3)
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)
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ENGINE = MergeTree()
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PARTITION BY date
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ORDER BY key;
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INSERT INTO table_for_rename SELECT toDate('2019-10-01') + number % 3, number, toString(number), toString(number + 1), toString(number + 2) from numbers(9);
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INSERT INTO table_for_rename SELECT toDate('2019-10-01') + number % 3, number, toString(number), toString(number + 1), toString(number) from numbers(9); ; --{serverError 469}
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SELECT * FROM table_for_rename ORDER BY key;
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ALTER TABLE table_for_rename RENAME COLUMN value1 TO value4;
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ALTER TABLE table_for_rename RENAME COLUMN value2 TO value5;
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SHOW CREATE TABLE table_for_rename;
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SELECT * FROM table_for_rename ORDER BY key;
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SELECT '-- insert after rename --';
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INSERT INTO table_for_rename SELECT toDate('2019-10-01') + number % 3, number, toString(number), toString(number + 1), toString(number + 2) from numbers(10, 10);
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INSERT INTO table_for_rename SELECT toDate('2019-10-01') + number % 3, number, toString(number), toString(number + 1), toString(number) from numbers(10, 10); ; --{serverError 469}
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SELECT * FROM table_for_rename ORDER BY key;
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SELECT '-- rename columns back --';
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ALTER TABLE table_for_rename RENAME COLUMN value4 TO value1;
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ALTER TABLE table_for_rename RENAME COLUMN value5 TO value2;
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SHOW CREATE TABLE table_for_rename;
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SELECT * FROM table_for_rename ORDER BY key;
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SELECT '-- insert after rename column --';
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INSERT INTO table_for_rename SELECT toDate('2019-10-01') + number % 3, number, toString(number), toString(number + 1), toString(number + 2) from numbers(20,10);
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INSERT INTO table_for_rename SELECT toDate('2019-10-01') + number % 3, number, toString(number), toString(number), toString(number + 2) from numbers(20, 10); ; --{serverError 469}
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SELECT * FROM table_for_rename ORDER BY key;
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DROP TABLE IF EXISTS table_for_rename;
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