GS_SPM_ID_HASH_JOIN
GS_SPM_ID_HASH_JOIN is a system catalog in the SPM feature. Currently, this feature is not supported in the distributed system. The system catalog stores the relationship between unique_sql_id and sql_hash. Users with sysadmin permissions can read the system catalog, but only the initial user can write data to the system catalog.
| Name | Type | Description |
|---|---|---|
| unique_sql_id | bigint | Unique ID of an SQL statement in the database. |
| sql_hash | bigint | Unique ID of the SQL statement in the SPM. |