__gp_aoseg(regclass)
This function returns metadata information contained in the append-optimized table's on-disk segment file.
The input argument is the name or the OID of an append-optimized table.
| Column | Description |
|---|---|
segno |
The file segment number |
eof |
The effective end of file for this file segment |
tupcount |
The total number of tuples in the segment, including invisible tuples |
varblockcount |
The total number of variable length blocks ("varblocks") in the file segment |
eof_uncompressed |
The end of file if the file segment were uncompressed |
modcount |
The number of data modification operations |
formatversion |
The storage format version of the append-only segment file |
state |
The state of the file segment.
Indicates if the segment is active ( |