| The PostgreSQL 9.0 Reference Manual - Volume 2 - Programming Guide
by The PostgreSQL Global Development Group Paperback (6"x9"), 478 pages ISBN 9781906966065 RRP £14.95 ($19.95) Sales of this book support the PostgreSQL project! Get a printed copy>>> |
4.36 sql_features
The table sql_features contains information
about which formal features defined in the SQL standard are
supported by PostgreSQL. This is the
same information that is presented in Volume 1A: D SQL Conformance.
There you can also find some additional background information.
4-34:
sql_features Columns
| Name | Data Type | Description
|
feature_id | character_data | Identifier string of the feature
|
feature_name | character_data | Descriptive name of the feature
|
sub_feature_id | character_data | Identifier string of the subfeature, or a zero-length string if not a subfeature
|
sub_feature_name | character_data | Descriptive name of the subfeature, or a zero-length string if not a subfeature
|
is_supported | yes_or_no | YES if the feature 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 feature |
| ISBN 9781906966065 | The PostgreSQL 9.0 Reference Manual - Volume 2 - Programming Guide | See the print edition |