Документация по PostgreSQL 9.1.1 | ||||
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The table sql_parts contains information about which of the several parts of the SQL standard are supported by PostgreSQL.
Table 34-43. sql_parts Columns
Name | Data Type | Description |
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feature_id | character_data | An identifier string containing the number of the part |
feature_name | character_data | Descriptive name of the part |
is_supported | yes_or_no | YES if the part 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 part |