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The YetaWF.DataProvider.PostgreSQL assembly/package implements record-based I/O to PostgreSQL tables and is a low-level data provider. It is used by application data providers and not by applications directly.
The implementation details are hidden from the application and local/shared caching is used as appropriate, based on definitions in AppSettings.json.
The PostgreSQL data provider offers the following classes which are used by application data providers.
| Class | Description |
|---|---|
| YetaWF.DataProvider.PostgreSQL.SQLSimpleIdentityObject<KEYTYPE,OBJTYPE> | Implements access to objects (records), with one primary key and with an identity column. |
| YetaWF.DataProvider.PostgreSQL.SQLSimple2IdentityObject<KEYTYPE,KEYTYPE2,OBJTYPE> | Implements access to objects (records), with a primary and secondary key (composite) and with an identity column. |
| YetaWF.DataProvider.PostgreSQL.SQLSimpleObject<KEYTYPE,OBJTYPE> | Implements access to objects (records), with one primary key and without identity column. |
| YetaWF.DataProvider.PostgreSQL.SQLSimple2IdentityObject<KEYTYPE,KEYTYPE2,OBJTYPE> | Implements access to objects (records), with a primary and secondary key (composite) and with an identity column. |
| YetaWF.DataProvider.PostgreSQL.SQLModuleObject<KEY,OBJTYPE> | Implements access to the repository containing YetaWF modules. It is only used by the YetaWF.DataProvider.ModuleDefinition package and is not intended for application use. |
See Also YetaWF.Core