src/iodbc/hstmt.h

   1 /*
   2  *  hstmt.h
   3  *
   4  *  $Id$
   5  *
   6  *  Query statement object management functions
   7  *
   8  *  The iODBC driver manager.
   9  *
  10  *  Copyright (C) 1995 by Ke Jin <kejin@empress.com>
  11  *
  12  *  This library is free software; you can redistribute it and/or
  13  *  modify it under the terms of the GNU Library General Public
  14  *  License as published by the Free Software Foundation; either
  15  *  version 2 of the License, or (at your option) any later version.
  16  *
  17  *  This library is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  *  Library General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU Library General Public
  23  *  License along with this library; if not, write to the Free
  24  *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  25  */
  26 #ifndef _HSTMT_H
  27 #define _HSTMT_H
  28
  29 #include        "config.h"
  30
  31 #include        "isql.h"
  32 #include        "isqlext.h"
  33
  34 typedef struct STMT
  35   {
  36     int type;                   /* must be 1st field */
  37
  38     struct STMT *next;
  39
  40     HERR herr;
  41     HDBC hdbc;                  /* back point to connection object */
  42     HSTMT dhstmt;               /* driver's stmt handle */
  43
  44     int state;
  45     int cursor_state;
  46     int prep_state;
  47     int asyn_on;                /* async executing which odbc call */
  48     int need_on;                /* which call return SQL_NEED_DATA */
  49   }
  50 STMT_t;
  51
  52 enum
  53   {
  54     en_stmt_allocated = 0,
  55     en_stmt_prepared,
  56     en_stmt_executed,
  57     en_stmt_cursoropen,
  58     en_stmt_fetched,
  59     en_stmt_xfetched,
  60     en_stmt_needdata,           /* not call SQLParamData() yet */
  61     en_stmt_mustput,            /* not call SQLPutData() yet */
  62     en_stmt_canput              /* SQLPutData() called */
  63   };                            /* for statement handle state */
  64
  65 enum
  66   {
  67     en_stmt_cursor_no = 0,
  68     en_stmt_cursor_named,
  69     en_stmt_cursor_opened,
  70     en_stmt_cursor_fetched,
  71     en_stmt_cursor_xfetched
  72   };                            /* for statement cursor state */
  73
  74 extern RETCODE _iodbcdm_dropstmt ();
  75 #endif