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 31-29. 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 | character_data | 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 |