added ODBC support

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@299 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/iodbc/hstmt.h

@@ -0,0 +1,48 @@
+#ifndef	_HSTMT_H
+#define	_HSTMT_H
+
+#include	<../iodbc/config.h>
+
+#include	<../iodbc/isql.h>
+#include	<../iodbc/isqlext.h>
+
+typedef	struct STMT
+{
+	int	type;		/* must be 1st field */
+
+	struct STMT*  next;
+
+	HERR	herr;
+	HDBC	hdbc;		/* back point to connection object */
+	HSTMT	dhstmt;		/* driver's stmt handle */
+
+	int	state;
+	int	cursor_state;
+	int	prep_state;	 
+	int	asyn_on;	/* async executing which odbc call */
+	int	need_on;	/* which call return SQL_NEED_DATA */
+} STMT_t;
+
+enum	{
+	en_stmt_allocated = 0,
+	en_stmt_prepared,
+	en_stmt_executed, 
+	en_stmt_cursoropen,
+	en_stmt_fetched,
+	en_stmt_xfetched,
+	en_stmt_needdata,	/* not call SQLParamData() yet */
+	en_stmt_mustput,	/* not call SQLPutData() yet */
+	en_stmt_canput	/* SQLPutData() called */
+};	/* for statement handle state */
+
+enum	{
+	en_stmt_cursor_no = 0,
+	en_stmt_cursor_named,
+	en_stmt_cursor_opened,
+	en_stmt_cursor_fetched,
+	en_stmt_cursor_xfetched
+};	/* for statement cursor state */
+
+extern	RETCODE	_iodbcdm_dropstmt();
+
+#endif