diff --git a/tests/queries/0_stateless/03175_sparse_and_skip_index.reference b/tests/queries/0_stateless/03175_sparse_and_skip_index.reference new file mode 100644 index 00000000000..619e98a152a --- /dev/null +++ b/tests/queries/0_stateless/03175_sparse_and_skip_index.reference @@ -0,0 +1,4 @@ +key Sparse +value Sparse +1000 +1 diff --git a/tests/queries/0_stateless/03175_sparse_and_skip_index.sql b/tests/queries/0_stateless/03175_sparse_and_skip_index.sql new file mode 100644 index 00000000000..4de6d1ac6df --- /dev/null +++ b/tests/queries/0_stateless/03175_sparse_and_skip_index.sql @@ -0,0 +1,45 @@ +DROP TABLE IF EXISTS t_bloom_filter; +CREATE TABLE t_bloom_filter( + key UInt64, + value UInt64, + + INDEX key_bf key TYPE bloom_filter(0.01) GRANULARITY 2147483648, -- bloom filter on sorting key column + INDEX value_bf value TYPE bloom_filter(0.01) GRANULARITY 2147483648 -- bloom filter on no-sorting column +) ENGINE=MergeTree ORDER BY key +SETTINGS + -- settings to trigger sparse serialization and vertical merge + ratio_of_defaults_for_sparse_serialization = 0.0 + ,vertical_merge_algorithm_min_rows_to_activate = 1 + ,vertical_merge_algorithm_min_columns_to_activate = 1 + ,allow_vertical_merges_from_compact_to_wide_parts = 1 + ,min_bytes_for_wide_part=0 +; + +SYSTEM STOP MERGES t_bloom_filter; + +-- Create at least one part +INSERT INTO t_bloom_filter +SELECT + number % 100 as key, -- 100 unique keys + rand() % 100 as value -- 100 unique values +FROM numbers(50_000); + +-- And another part +INSERT INTO t_bloom_filter +SELECT + number % 100 as key, -- 100 unique keys + rand() % 100 as value -- 100 unique values +FROM numbers(50_000, 50_000); + +SYSTEM START MERGES t_bloom_filter; + +-- Merge everything into a single part +OPTIMIZE TABLE t_bloom_filter FINAL; + +-- Check sparse serialization +SELECT column, serialization_kind FROM system.parts_columns WHERE database = currentDatabase() AND table = 't_bloom_filter' AND active ORDER BY column; + +SELECT COUNT() FROM t_bloom_filter WHERE key = 1; + +-- Check bloom filter non-zero size +SELECT COUNT() FROM system.parts WHERE database = currentDatabase() AND table = 't_bloom_filter' AND secondary_indices_uncompressed_bytes > 200 AND active;