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v3.1

Documentation:v3.1

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GS_COMPRESSION

The GS_COMPRESSION view is used to observe the compression of all compression tables in the system.

Table 1 GS_COMPRESSION fields

Name Type Description
comrelid oid The oid corresponding to the table.
comsavespace bigint Space saved after compression (bytes).
comfullnum bigint The number of fully compressed pages.
comfullsize bigint Full compression saves total space (bytes).
comincnum bigint The number of pages to incrementally compress.
comincsize bigint Total space saved by incremental compression (bytes).
comuncmprpages int The number of pages to be compressed.
comcmprpages int The number of compressed pages.
comnum int The number of times the table has been compressed.
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