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 |