File: bitpacking_nulls.test

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# name: test/sql/storage/compression/bitpacking/bitpacking_nulls.test
# description: Test bitpacking with nulls
# 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}'

# simple compression with few values
statement ok
CREATE TABLE test (a BIGINT);

# Constant compressible range
statement ok
INSERT INTO test SELECT case when i%5=0 then null else 1337 end FROM range(0,10000) tbl(i);

# Constant delta compressible range
statement ok
INSERT INTO test SELECT case when i%5=0 then null else i end FROM range(0,10000) tbl(i);

# FOR/FOR-delta compressible range
statement ok
INSERT INTO test SELECT case when i%5=0 then null else i//2 end FROM range(0,10000) tbl(i);

statement ok
checkpoint

query I
SELECT compression FROM pragma_storage_info('test') WHERE segment_type ILIKE 'BIGINT' and compression != 'BitPacking';
----

query III
select sum(a), min(a), max(a) from test;
----
70694000	0	9999

statement ok
DROP TABLE test;

endloop