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File Release Notes and Changelog

Release Name: Npgsql2.0RTM

Release Notes

After almost two years of development since Npgsql 1.0, Npgsql 2 brings new features and support for newer versions of .Net. 

Although externally Npgsql2 doesn't seem very different of Npgsql1 regarding features, internally Npgsql2 had a lot of improvements which represents a much more stable product, more bugs fixed and many implemented methods. It is strongly advised that current users update from Npgsql1 to Npgsql2.

Main features are:

Support for .Net 2.0 and 3.5

Josh Cooley did a great job and added support for EntityFramework. 

We've fixed a few bugs over rc2 for our Entity Framework support.
Many constants now use the same literal formatting as parameters.
This improves security as well as fixes a bug in guid literal support.

To take advantage of the Entity Framework, register Npgsql and
Mono.Security in the GAC.  Add a provider factory entry into
<system.data> <DbProviderFactories> section of machine.config.

It should look like:
<add name="Npgsql Data Provider" invariant="Npgsql" description=".Net
Framework Data Provider for PostgreSQL Server"
type="Npgsql.NpgsqlFactory, Npgsql, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=5d8b90d52f46fda7"/>

Npgsql2 now doesn't read all table contents before returning control to user code. This makes Npgsql much more memory efficient when dealing with large tables. Thanks Jon Hanna for this.
Check User Manual for more info about that and how to revert to old behavior of loading all data if you need it.

Thanks to Daniel Nauck, Npgsql now have support for ASP.Net providers. You can visit Daniel project page at: http://dev.nauck-it.de/aspsqlprovider/

Change Log

2008-10-06	jbcooley
	* src/Npgsql/AssemblyInfo.cs 1.15:
		updated to 2.0 for final release.

	* src/Npgsql2008.csproj 1.16:
		removed dependencies on System.Web

2008-10-05	fxjr
	* src/NpgsqlTypes/ArrayHandling.cs 1.4:
		
		Changed tabs to spaces (4)

	* src/NpgsqlTypes/ArrayHandling.cs 1.5:
	* testsuite/noninteractive/NUnit20/CommandTests.cs 1.19:
		
		[#1010488] NgsqlParameter of type containing DBNull values throws NullReferenceException. Thanks Christ Akkermans for testcase. Now, Npgsql handles first elements which aren't null as Arrays and IEnumerables. Also added test case for this bug.

2008-10-04	fxjr
	* src/Npgsql.build 1.15:
		
		Removed build of asp.net providers as well as System.Web dependencies. Now we use Daniel Nauck's providers.

2008-10-02	fxjr
	* src/Npgsql/NpgsqlState.cs 1.17:
	* src/Npgsql/NpgsqlState.resx 1.3:
		
		Fixed misleading timeout error message. As the only timeout which was being reported was about connection establishment, command execution timeouts were being misinterpreted and users couldn't find easily what was going wrong.

2008-09-30	jbcooley
	* src/Npgsql/SqlGenerators/VisitedExpression.cs 1.11:
		use standard literal formatters for strings, booleans, and 
		guids.

2008-09-29	fxjr
	* src/Npgsql/NpgsqlError.cs 1.6:
		
		
		[npgsql-help][1004020] Backend sent unrecognized response type: q
		
		References for previous patch: http://pgfoundry.org/forum/message.php?msg_id=1004022.

	* src/Npgsql/NpgsqlError.cs 1.5:
		
		
		Fixed error message: Backend sent unrecognized response type: q. There was an error on Error message handling where we were letting some fields without processing. Thanks Eric Montague (eric @nospam@ nuws.com) for heads up and tests.

	* src/Npgsql/NpgsqlParameter.cs 1.18:
		
		
		Added casts when parameter is null. This was causing problems with prepare statements when parameter type was set to a value other than DbType.Object and its value was set to null. The prepare statement wasn't receiving the cast. Thanks Waldemar Bergstreiser (wbr at bergstreiser dot com) for heads up.

2008-09-28	jbcooley
	* src/Npgsql/SqlGenerators/VisitedExpression.cs 1.10:
		Quote uuid constants when used in expression.  Thanks to Yann 
		Robin for the fix.

2008-09-23	fxjr
	* src/Npgsql/NpgsqlState.cs 1.16:
		
		Added try/catch to handle possible problems when cancelling a request because of a threadabortexception. Thanks to Andreas Schönebeck for heads up.

	* src/Npgsql/NpgsqlState.cs 1.15:
		
		Fixed tabs to 4 spaces.

	* src/Npgsql/NpgsqlConnector.cs 1.24:
		
		[#1010461] Prepare invalid SQL statement causes ERROR: 26000 when Npgsql.NpgsqlConnection disposed. Fixed in previous revision. Forgot to reference bug report.

2008-09-18	fxjr
	* testsuite/noninteractive/NUnit20/CommandTests.cs 1.17:
		
		Fixed tabs to 4 spaces
		
		Added test to check a problem where prepared statements were lacking casts even when user set dbtype or npgsqldbtype. Now the casts are properly added when needed. Thanks Waldemar Bergstreiser (wbr at bergstreiser dot com) for heads up and test case.

	* src/Npgsql/NpgsqlConnector.cs 1.23:
	* testsuite/noninteractive/NUnit20/CommandTests.cs 1.18:
		
		Fixed a bug where Npgsql was throwing exceptions when releasing connection to pool and there were portal names which were associated with invalid prepared queries. Npgsql tried to deallocate them and threw exceptions. Now this is property surrounded by a try/catch block.

	* src/Npgsql/NpgsqlParameter.cs 1.17:
		
		Fixed tabs to 4 spaces.
		
		Fixed a problem where prepared statements were lacking casts even when user set dbtype or npgsqldbtype. Now the casts are properly added when needed.
		Thanks Waldemar Bergstreiser (wbr at bergstreiser dot com) for heads up and testcase.

	* src/Npgsql/NpgsqlCommand.cs 1.29:
		
		Fixed tabs to be changed to 4 spaces.

2008-09-16	fxjr
	* src/Npgsql/NpgsqlConnector.cs 1.22:
	* src/Npgsql/NpgsqlTransaction.cs 1.7:
	* src/Npgsql/NpgsqlTransaction.resx 1.2:
	* testsuite/noninteractive/NUnit20/CommandTests.cs 1.16:
		
		[#1010474] Savepoint support is missing.
		Fixed. Also converted all tabs to spaces 4.
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