The PGNP provider is a thin layer between Microsoft ADO and PostgreSQL database. It implements most of the OLEDB interfaces and uses libpq to access a PostgreSQL database. The provider can be used from 32-bit and 64-bit applications both native and .NET.* Wide range of Postgres-compatible databases are supported, i.e. Amazon RDB, Heroku, Yellowbrick, etc.
Main features are:
- High performance in all OLTP and OLAP scenarios.
- Full support for SSRS, SSAS and SSIS in SQL Server 2005-2022.
- OS Platforms: Windows XP, Windows Servers 2003-2022, Windows Vista, Windows 7-11.
- SQL Server Linked Servers and Replication support.
- Error reporting and execution tracing.
- Transactions support: standard OLEDB, and "nested" PostgreSQL transaction using savepoints.
- Distributed transactions, two phase commit protocol.
- Schema support for tables, views, provider types, columns, primary/foreign keys, indexes, etc.
- Multiple results support.
- Commands cancel, prepare and column information on a prepared command.
- Unicode (UTF8/UTF16) and various languages support.
- Support for PostgreSQL 8.x-15.x with POSIX and other extensions.
- Partial support for T-SQL, Oracle and EnterpriseDB statements syntax.
- Internal stored procedures, queries optimizer.
- Extended syntax for parameters ('@', ':' and '?') and support for IN, OUT and INOUT parameters.
- PGNP Profiler and PGNPUpdate utilities.