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PGNP OLEDB Provider for PostgreSQL, Greenplum and Redshift

PostgreSQLThe 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.


    Main features are:

  • Database conversion with DTS Wizard (MSSQL 2000) or SSIS Wizard (MSSQL 2005/2008/2012).
  • Support for SSRS, SSAS and SSIS.
  • 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.
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PGNP Features Matrix (32- and 64-bit Platforms)
 PGNP 1.2.8
 PGNP 1.3.0  PGNP 1.4.0*
PostgreSQL 8.x SupportYesYesYes
OLE DB Connection PoolingYesYesYes
OLE DB Error Reporting Yes YesYes
OLE DB Command Prepare and Cancel YesYes Yes
OLE DB Columns Information YesYesYes
Database Transformation in SQL Server DTSWizard YesYes Yes
Local Transaction SupportYesYesYes
Distributed Transactions and Two Phase Commit Protocol (DTC enlistment)NoYesYes
SQL Server 2000, 2005 and 2008 Linked Servers SupportYesYesYes
SQL Server 2000, 2005 and 2008 to PostgreSQL Replication Support Yes YesYes
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PGNP Project History

April 1, 2015    Ver 1.4.0.3344

Fixed bug in handling OLEDB property MAXROWS. When client application sets the property to a non-zero value, the OLEDB provider appends LIMIT clause to the query.
Fixed bug in handling parameters for columns of type timestamptz. Previously timezone information was not processed correctly.
Fixed bug: XML fields where not returned correctly in queries.
Fixed bug: cursor was not used in some scenarios even when enabled. This could potentially overflow memory on large sets.
Enabled T-SQL like Unicode literals, e.g. SELECT * FROM tbl WHERE col1=N'value'
Fixed bug: Denodo OLEDB Alias was not registered correctly.
Made types adjustment for Denodo 5.5.
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What's New in 1.4?

The new major version of the PGNP OLEDB Provider for PostgreSQL, Greenplum and Redshift has several new features and improvements:
  1. Optimizations for very large data sets (1 billion rows and more).
  2. Deferred updates support (IRowsetUpdate).
  3. Better support for Greenplum 4.x (awareness about distribution policy, better use of cursors, gpload utilization for bulk operations, etc.)
  4. Better support for PostgreSQL 9.x.
  5. New utility for Automated updates (not included in the trial build).
  6. Better integration with SSIS (MS BI tools).
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