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This release contains bug fixes since the 2.14.0 release. We recommend that you upgrade at the next available opportunity. **Features** * timescale#6630 Add views for per chunk compression settings **Bugfixes** * timescale#6636 Fixes extension update of compressed hypertables with dropped columns * timescale#6637 Reset sequence numbers on non-rollup compression * timescale#6639 Disable default indexscan for compression * timescale#6651 Fix DecompressChunk path generation with per chunk settings **Thanks** * @anajavi for reporting an issue with extension update of compressed hypertables
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CREATE VIEW timescaledb_information.hypertable_compression_settings AS | ||
SELECT | ||
format('%I.%I',ht.schema_name,ht.table_name)::regclass AS hypertable, | ||
array_to_string(segmentby,',') AS segmentby, | ||
un.orderby, | ||
d.compress_interval_length | ||
FROM _timescaledb_catalog.hypertable ht | ||
JOIN LATERAL ( | ||
SELECT | ||
CASE WHEN d.column_type = ANY(ARRAY['timestamp','timestamptz','date']::regtype[]) THEN | ||
_timescaledb_functions.to_interval(d.compress_interval_length)::text | ||
ELSE | ||
d.compress_interval_length::text | ||
END AS compress_interval_length | ||
FROM _timescaledb_catalog.dimension d WHERE d.hypertable_id = ht.id ORDER BY id LIMIT 1 | ||
) d ON true | ||
LEFT JOIN _timescaledb_catalog.compression_settings s ON format('%I.%I',ht.schema_name,ht.table_name)::regclass = s.relid | ||
LEFT JOIN LATERAL ( | ||
SELECT | ||
string_agg( | ||
format('%I%s%s',orderby, | ||
CASE WHEN "desc" THEN ' DESC' ELSE '' END, | ||
CASE WHEN nullsfirst AND NOT "desc" THEN ' NULLS FIRST' WHEN NOT nullsfirst AND "desc" THEN ' NULLS LAST' ELSE '' END | ||
) | ||
,',') AS orderby | ||
FROM unnest(s.orderby, s.orderby_desc, s.orderby_nullsfirst) un(orderby, "desc", nullsfirst) | ||
) un ON true; | ||
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CREATE VIEW timescaledb_information.chunk_compression_settings AS | ||
SELECT | ||
format('%I.%I',ht.schema_name,ht.table_name)::regclass AS hypertable, | ||
format('%I.%I',ch.schema_name,ch.table_name)::regclass AS chunk, | ||
array_to_string(segmentby,',') AS segmentby, | ||
un.orderby | ||
FROM _timescaledb_catalog.hypertable ht | ||
INNER JOIN _timescaledb_catalog.chunk ch ON ch.hypertable_id = ht.id | ||
INNER JOIN _timescaledb_catalog.chunk ch2 ON ch2.id = ch.compressed_chunk_id | ||
LEFT JOIN _timescaledb_catalog.compression_settings s ON format('%I.%I',ch2.schema_name,ch2.table_name)::regclass = s.relid | ||
LEFT JOIN LATERAL ( | ||
SELECT | ||
string_agg( | ||
format('%I%s%s',orderby, | ||
CASE WHEN "desc" THEN ' DESC' ELSE '' END, | ||
CASE WHEN nullsfirst AND NOT "desc" THEN ' NULLS FIRST' WHEN NOT nullsfirst AND "desc" THEN ' NULLS LAST' ELSE '' END | ||
),',') AS orderby | ||
FROM unnest(s.orderby, s.orderby_desc, s.orderby_nullsfirst) un(orderby, "desc", nullsfirst) | ||
) un ON true; | ||
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INSERT INTO _timescaledb_catalog.compression_settings | ||
SELECT | ||
format('%I.%I',ch.schema_name,ch.table_name)::regclass,s.segmentby,s.orderby,s.orderby_desc,s.orderby_nullsfirst | ||
FROM _timescaledb_catalog.hypertable ht1 | ||
INNER JOIN _timescaledb_catalog.hypertable ht2 ON ht2.id = ht1.compressed_hypertable_id | ||
INNER JOIN _timescaledb_catalog.compression_settings s ON s.relid = format('%I.%I',ht1.schema_name,ht1.table_name)::regclass | ||
INNER JOIN _timescaledb_catalog.chunk ch ON ch.hypertable_id = ht2.id ON CONFLICT DO NOTHING; | ||
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Original file line number | Diff line number | Diff line change |
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@@ -1,3 +1,3 @@ | ||
version = 2.15.0-dev | ||
update_from_version = 2.14.0 | ||
update_from_version = 2.14.1 | ||
downgrade_to_version = 2.14.0 |