From: | "Mark G(dot) Adams" <mgadams(at)ca(dot)stilo(dot)com> |
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To: | pgsql-odbc(at)postgresql(dot)org |
Subject: | Patch for cursor type fallback |
Date: | 2005-06-23 15:53:45 |
Message-ID: | 1119542025.4118.37.camel@legolas.inanna.omnimark.com |
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Lists: | pgsql-odbc |
According to MSDN docs for SQLSetStmtAttr, if you try to request a
cursor type which isn't supported, the driver should fall back to a
supported type, set an appropriate SQLState and return
SQL_SUCCESS_WITH_INFO.
Currently, if a SQL_ATTR_CURSOR_TYPE of SQL_CURSOR_DYNAMIC is requested,
we fall back to SQL_CURSOR_FORWARD_ONLY and no warning is given; this is
simply because we don't explicitly check for SQL_CURSOR_DYNAMIC.
A better solution is to check for SQL_CURSOR_DYNAMIC, fall back to
SQL_CURSOR_KEYSET_DRIVEN and set a warning accordingly.
Also, currently if SQL_CURSOR_KEYSET_DRIVEN is requested and only static
cursors are supported, we fall back without returning a warning.
Attached is a patch implementing both of the above against
psqlodbc-08.00.0101.
//Mark
--
Mark G. Adams
mgadams(at)ca(dot)stilo(dot)com
Attachment | Content-Type | Size |
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options_cursor.diff | text/plain | 541 bytes |
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