File: bitpacking_constant_delta.test

package info (click to toggle)
duckdb 1.5.1-3
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 299,196 kB
  • sloc: cpp: 865,414; ansic: 57,292; python: 18,871; sql: 12,663; lisp: 11,751; yacc: 7,412; lex: 1,682; sh: 747; makefile: 564
file content (69 lines) | stat: -rw-r--r-- 1,411 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
# name: test/sql/storage/compression/bitpacking/bitpacking_constant_delta.test
# description: Test that will use the BitpackingMode::CONSTANT_DELTA compression mode
# group: [bitpacking]

# This test defaults to another compression function for smaller block sizes,
# because the bitpacking groups no longer fit the blocks.
require block_size 262144

load __TEST_DIR__/test_bitpacking.db

statement ok
PRAGMA force_compression = 'bitpacking'

foreach bitpacking_mode delta_for for constant_delta constant

statement ok
PRAGMA force_bitpacking_mode='${bitpacking_mode}'

foreach type int8 int16 int32 int64 uint8 uint16 uint32 uint64 hugeint decimal(4,1) decimal(8,1) decimal(12,1) decimal(18,1)

statement ok
CREATE TABLE test (c ${type});

statement ok
INSERT INTO test SELECT 2+i*2::${type} FROM range(0,5) tbl(i);

statement ok
checkpoint

query I
SELECT compression FROM pragma_storage_info('test') where segment_type != 'VALIDITY' and compression != 'BitPacking'
----

query I
SELECT * FROM test;
----
2
4
6
8
10

statement ok
DROP TABLE test

endloop

statement ok
CREATE TABLE test (c INT64);

statement ok
INSERT INTO test SELECT i from range(0,130000) tbl(i);

statement ok
checkpoint

query I
SELECT compression FROM pragma_storage_info('test') where segment_type != 'VALIDITY' and compression != 'BitPacking'
----

query I
SELECT avg(c) FROM test;
----
64999.5

statement ok
DROP TABLE test

endloop