mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 11:32:03 +00:00
111 lines
5.5 KiB
SQL
111 lines
5.5 KiB
SQL
-- GCD codec can't be used stand-alone
|
|
CREATE TEMPORARY TABLE table_gcd_codec (n UInt64 CODEC(GCD)) ENGINE = Memory; -- { serverError BAD_ARGUMENTS }
|
|
|
|
-- GCD codec rejects non-integer/decimal/datetime types
|
|
CREATE TEMPORARY TABLE table_gcd_codec (str String CODEC(GCD, LZ4)) ENGINE = Memory; -- { serverError BAD_ARGUMENTS }
|
|
|
|
-- Basic random-based correctness test
|
|
CREATE TEMPORARY TABLE table_lz4 (id UInt64, ui UInt256 CODEC(LZ4)) ENGINE = Memory;
|
|
INSERT INTO table_lz4 SELECT * FROM generateRandom() LIMIT 50;
|
|
|
|
CREATE TEMPORARY TABLE table_gcd (id UInt64, ui UInt256 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
INSERT INTO table_gcd SELECT * FROM table_lz4;
|
|
|
|
SELECT COUNT(*)
|
|
FROM (
|
|
SELECT table_lz4.id, table_lz4.ui AS ui1, table_gcd.id, table_gcd.ui AS ui2
|
|
FROM table_lz4 JOIN table_gcd
|
|
ON table_lz4.id = table_gcd.id
|
|
)
|
|
WHERE ui1 != ui2;
|
|
|
|
-------------------------------------------------------------------------------------------
|
|
-- Compression/decompression works for all data types supported by GCD codec
|
|
|
|
-- Int*
|
|
CREATE TEMPORARY TABLE table_gcd_codec_uint8 (n UInt8 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_uint16 (n UInt16 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_uint32 (n UInt32 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_uint64 (n UInt64 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_uint128 (n UInt128 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_uint256 (n UInt256 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
|
|
INSERT INTO table_gcd_codec_uint8 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_uint16 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_uint32 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_uint64 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_uint128 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_uint256 SELECT number FROM system.numbers LIMIT 50;
|
|
|
|
SELECT * FROM table_gcd_codec_uint8;
|
|
SELECT * FROM table_gcd_codec_uint16;
|
|
SELECT * FROM table_gcd_codec_uint32;
|
|
SELECT * FROM table_gcd_codec_uint64;
|
|
SELECT * FROM table_gcd_codec_uint128;
|
|
SELECT * FROM table_gcd_codec_uint256;
|
|
|
|
-- UInt*
|
|
CREATE TEMPORARY TABLE table_gcd_codec_int8 (n Int8 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_int16 (n Int16 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_int32 (n Int32 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_int64 (n Int64 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_int128 (n Int128 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_int256 (n Int256 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
|
|
INSERT INTO table_gcd_codec_int8 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_int16 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_int32 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_int64 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_int128 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_int256 SELECT number FROM system.numbers LIMIT 50;
|
|
|
|
SELECT * FROM table_gcd_codec_int8;
|
|
SELECT * FROM table_gcd_codec_int16;
|
|
SELECT * FROM table_gcd_codec_int32;
|
|
SELECT * FROM table_gcd_codec_int64;
|
|
SELECT * FROM table_gcd_codec_int128;
|
|
SELECT * FROM table_gcd_codec_int256;
|
|
|
|
-- Decimal*
|
|
CREATE TEMPORARY TABLE table_gcd_codec_decimal32 (n Decimal32(1) CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_decimal64 (n Decimal64(1) CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_decimal128 (n Decimal128(1) CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_decimal256 (n Decimal256(1) CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
|
|
INSERT INTO table_gcd_codec_decimal32 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_decimal64 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_decimal128 SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_decimal256 SELECT number FROM system.numbers LIMIT 50;
|
|
|
|
SELECT * FROM table_gcd_codec_decimal32;
|
|
SELECT * FROM table_gcd_codec_decimal64;
|
|
SELECT * FROM table_gcd_codec_decimal128;
|
|
SELECT * FROM table_gcd_codec_decimal256;
|
|
|
|
-- Date[32]
|
|
CREATE TEMPORARY TABLE table_gcd_codec_date (n Date CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_date32 (n Date32 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
|
|
INSERT INTO table_gcd_codec_date SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_date32 SELECT number FROM system.numbers LIMIT 50;
|
|
|
|
SELECT * FROM table_gcd_codec_date;
|
|
SELECT * FROM table_gcd_codec_date32;
|
|
|
|
-- DateTimeTime[64]
|
|
CREATE TEMPORARY TABLE table_gcd_codec_datetime (n DateTime('Asia/Istanbul') CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
CREATE TEMPORARY TABLE table_gcd_codec_datetime64 (n DateTime64(3, 'Asia/Istanbul') CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
|
|
INSERT INTO table_gcd_codec_datetime SELECT number FROM system.numbers LIMIT 50;
|
|
INSERT INTO table_gcd_codec_datetime64 SELECT number FROM system.numbers LIMIT 50;
|
|
|
|
SELECT * FROM table_gcd_codec_datetime;
|
|
SELECT * FROM table_gcd_codec_datetime64;
|
|
|
|
|
|
-- A column with all 0 values can be compressed/decompressed
|
|
|
|
CREATE TEMPORARY TABLE table_gcd_codec_only_zero_values (n UInt8 CODEC(GCD, LZ4)) ENGINE = Memory;
|
|
INSERT INTO table_gcd_codec_only_zero_values VALUES (0), (0), (0);
|
|
SELECT * FROM table_gcd_codec_only_zero_values;
|