Author: wyoung
Date: Fri Dec 21 03:49:30 2007
New Revision: 2006
URL: http://svn.gna.org/viewcvs/mysqlpp?rev=2006&view=rev
Log:
Added optional parameter to DBDriver::fetch_field() allowing it to call
mysql_fetch_field_direct() if you tell it explicitly what field number
you're interested in. If you don't, it reverts to the old behavior,
returning the "next" field.
Modified:
trunk/lib/dbdriver.h
Modified: trunk/lib/dbdriver.h
URL:
http://svn.gna.org/viewcvs/mysqlpp/trunk/lib/dbdriver.h?rev=2006&r1=2005&r2=2006&view=diff
==============================================================================
--- trunk/lib/dbdriver.h (original)
+++ trunk/lib/dbdriver.h Fri Dec 21 03:49:30 2007
@@ -206,9 +206,21 @@
/// \brief Returns information about a particular field in a result
/// set
///
- /// Wraps \c mysql_fetch_field() in MySQL C API.
- MYSQL_FIELD* fetch_field(MYSQL_RES* res) const
- { return mysql_fetch_field(res); }
+ /// \param res result set to fetch field information for
+ /// \param i field number to fetch information for, if given
+ ///
+ /// If i parameter is given, this call is like a combination of
+ /// field_seek() followed by fetch_field() without the i parameter,
+ /// which otherwise just iterates through the set of fields in the
+ /// given result set.
+ ///
+ /// Wraps \c mysql_fetch_field() and mysql_fetch_field_direct() in
+ /// MySQL C API. (Which one it uses depends on i parameter.)
+ MYSQL_FIELD* fetch_field(MYSQL_RES* res, size_t i = UINT_MAX) const
+ {
+ return i == UINT_MAX ? mysql_fetch_field(res) :
+ mysql_fetch_field_direct(res, i);
+ }
/// \brief Jumps to the given field within the result set
///
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