From: Claudio Valderrama C. <robocop@us...> - 2005-12-01 07:12:11
Build Version : T220.127.116.1150 Firebird 2.0 Beta 1
(writeBuildNum.sh,v 1.12000 2005/12/01 07:12:02 robocop Exp )
Update of /cvsroot/firebird/firebird2/doc/sql.extensions
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv30697/doc/sql.extensions
Document the blob filter restriction in FB2.
RCS file: /cvsroot/firebird/firebird2/doc/sql.extensions/README.ddl.txt,v
retrieving revision 1.6
retrieving revision 1.7
diff -b -U3 -r1.6 -r1.7
--- README.ddl.txt 8 Oct 2005 09:56:17 -0000 1.6
+++ README.ddl.txt 1 Dec 2005 07:12:00 -0000 1.7
@@ -177,3 +177,13 @@
type directly in whose case the default belongs logically to the field (albeit
the information is kept on an implicit domain created behind scenes).
+6) New blob filter restriction.
+In FB2, the pair (input subtype, output subtype) must be unique for blob filter
+declarations. This fix stops ambiguity in deciding which blob filter will be
+executed to go from input type X to output type Z. If you have such problem in
+databases created with earlier versions and you have a backup for them that want
+to restore in FB2, expect to see your database restore being rejected by FB2.
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