PGXC_CLASS
PGXC_CLASS records the replicated or distributed information for each table.
Column |
Type |
Description |
---|---|---|
pcrelid |
OID |
Table OID |
pclocatortype |
Char |
Locator type
|
pchashalgorithm |
Smallint |
Distributed tuple using the hash algorithm |
pchashbuckets |
Smallint |
Value of a harsh container |
pgroup |
Name |
Node group name |
redistributed |
Char |
Whether a table has been redistributed |
redis_order |
Integer |
Redistribution sequence |
pcattnum |
int2vector |
Column number used as a distribution key |
nodeoids |
oidvector_extend |
List of distributed table node OIDs |
options |
Text |
Extension status information, which is a reserved column in the system |
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