Required Arguments

    Returns

    ColumnDescription
    total_chunks(BIGINT) the number of chunks used by the hypertable
    number_compressed_chunks(INTEGER) the number of chunks used by the hypertable that are currently compressed
    before_compression_table_bytes(BIGINT) Size of the heap before compression (NULL if currently uncompressed)
    before_compression_index_bytes(BIGINT) Size of all the indexes before compression (NULL if currently uncompressed)
    before_compression_toast_bytes(BIGINT) Size the TOAST table before compression (NULL if currently uncompressed)
    (BIGINT) Size of the entire table (table+indexes+toast) before compression (NULL if currently uncompressed)
    after_compression_table_bytes(BIGINT) Size of the heap after compression (NULL if currently uncompressed)
    after_compression_index_bytes(BIGINT) Size of all the indexes after compression (NULL if currently uncompressed)
    after_compression_toast_bytes(BIGINT) Size the TOAST table after compression (NULL if currently uncompressed)
    after_compression_total_bytes(BIGINT) Size of the entire table (table+indexes+toast) after compression (NULL if currently uncompressed)
    node_name(NAME) nodes on which the hypertable is located, applicable only to distributed hypertables

    Sample Usage

    Use get the output in a more human friendly format.

    1. SELECT pg_size_pretty(after_compression_total_bytes) as total
    2. FROM hypertable_compression_stats('conditions');
    3. -[ RECORD 1 ]--+------
    4. total | 48 kB