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.

 FEATURE PGNP 1.2.8  PGNP 1.3.0  PGNP 1.4.0*
PostgreSQL Support 8.0 8.x, 9.x 8.x-10.x
OLE DB Connection Pooling Yes Yes Yes
OLE DB Error Reporting Yes Yes Yes
OLE DB Command Prepare and Cancel Yes Yes Yes
OLE DB Columns Information Yes Yes Yes
Database Transformation in SQL Server DTSWizard Yes Yes Yes
Local Transaction Support Yes Yes Yes
Distributed Transactions and Two Phase Commit Protocol (DTC enlistment) No Yes** Yes**
SQL Server 2000, 2005 and 2008 Linked Servers Support Yes Yes Yes
SQL Server 2000, 2005 and 2008 to PostgreSQL Replication Support Yes Yes Yes

November 8, 2018    Ver 1.4.0.3542

Stability improved in VS2017/SSIS.
Fixed bug resulting in Error: Invalid ColumnID when processing tables in SSAS 2017 Tabular.
Fixed bug in handling TFD in square brackets, e.g. CREATE TABLE [t] ([id] [int]), when SYNTAX=T-Sql.
Fixed bug in mapping columns in FastLoad mode (it was visible as ERROR:  cannot cast type integer to timestamp without time zone).
PGNPUpdate: added console parameters support.

October 4, 2018    Ver 1.4.0.3538

Added Extended Properties parameter BULK_METHOD=TEXTCOPY for faster data import from text files in SSIS.
Added support for Redshift external tables.
Optimized performance of execution trace logging (checking connected pipes every 50ms).
Enabled connection string parameter SYNTAX for Postgres and T-Sql.
Sorted properties names in the Advanced pane of the Data Link Properties.
Implemented several stability enhancements.
Fixed bug in handling bit(1) fields.
Fixed bug: missing 'n' character when handling CREATE TABLE statement.
Fixed sorting in tables schema.


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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