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Note: The following description applies both to Postgres-XC and PostgreSQL if not described explicitly. You can read PostgreSQL as Postgres-XC except for version number, which is specific to each product.
The table sql_packages contains information about which feature packages defined in the SQL standard are supported by PostgreSQL. Refer to Appendix D for background information on feature packages.
Table 33-44. sql_packages Columns
| Name | Data Type | Description |
|---|---|---|
| feature_id | character_data | Identifier string of the package |
| feature_name | character_data | Descriptive name of the package |
| is_supported | yes_or_no | YES if the package is fully supported by the current version of PostgreSQL, NO if not |
| is_verified_by | character_data | Always null, since the PostgreSQL development group does not perform formal testing of feature conformance |
| comments | character_data | Possibly a comment about the supported status of the package |