Shows information about compression settings for each chunk that has compression enabled on it.
Name | Type | Description |
---|---|---|
hypertable | REGCLASS | Hypertable which has compression enabled |
chunk | REGCLASS | Chunk which has compression enabled |
segmentby | TEXT | List of columns used for segmenting the compressed data |
orderby | TEXT | List of columns used for ordering compressed data along with ordering and NULL ordering information |
Show compression settings for all chunks:
SELECT * FROM timescaledb_information.chunk_compression_settings'hypertable | measurementschunk | _timescaledb_internal._hyper_1_1_chunksegmentby |orderby | "time" DESC
Find all chunk compression settings for a specific hypertable:
SELECT * FROM timescaledb_information.chunk_compression_settings WHERE hypertable::TEXT LIKE 'metrics';hypertable | metricschunk | _timescaledb_internal._hyper_2_3_chunksegmentby | metric_idorderby | "time"
Keywords
Found an issue on this page?Report an issue or Edit this page in GitHub.