mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-23 16:12:01 +00:00
44 lines
2.0 KiB
MySQL
44 lines
2.0 KiB
MySQL
|
DROP TABLE IF EXISTS table_for_rename;
|
||
|
|
|
||
|
|
CREATE TABLE table_for_rename
|
||
|
|
(
|
||
|
|
date Date,
|
||
|
|
key UInt64,
|
||
|
|
value1 String,
|
||
|
|
value2 String,
|
||
|
|
value3 String,
|
||
|
|
CONSTRAINT cs_value1 CHECK toInt64(value1) < toInt64(value2),
|
||
|
|
CONSTRAINT cs_value2 CHECK toInt64(value2) < toInt64(value3)
|
||
|
|
)
|
||
|
|
ENGINE = MergeTree()
|
||
|
|
PARTITION BY date
|
||
|
|
ORDER BY key;
|
||
|
|
|
||
|
|
INSERT INTO table_for_rename SELECT toDate('2019-10-01') + number % 3, number, toString(number), toString(number + 1), toString(number + 2) from numbers(9);
|
||
|
|
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}
|
||
|
|
|
||
|
|
SELECT * FROM table_for_rename ORDER BY key;
|
||
|
|
|
||
|
|
ALTER TABLE table_for_rename RENAME COLUMN value1 TO value4;
|
||
|
|
ALTER TABLE table_for_rename RENAME COLUMN value2 TO value5;
|
||
|
|
SHOW CREATE TABLE table_for_rename;
|
||
|
|
SELECT * FROM table_for_rename ORDER BY key;
|
||
|
|
|
||
|
|
SELECT '-- insert after rename --';
|
||
|
|
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);
|
||
|
|
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}
|
||
|
|
SELECT * FROM table_for_rename ORDER BY key;
|
||
|
|
|
||
|
|
SELECT '-- rename columns back --';
|
||
|
|
ALTER TABLE table_for_rename RENAME COLUMN value4 TO value1;
|
||
|
|
ALTER TABLE table_for_rename RENAME COLUMN value5 TO value2;
|
||
|
|
SHOW CREATE TABLE table_for_rename;
|
||
|
|
SELECT * FROM table_for_rename ORDER BY key;
|
||
|
|
|
||
|
|
SELECT '-- insert after rename column --';
|
||
|
|
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);
|
||
|
|
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}
|
||
|
|
SELECT * FROM table_for_rename ORDER BY key;
|
||
|
|
|
||
|
|
DROP TABLE IF EXISTS table_for_rename;
|