vxodbc/columninfo.h

   1 /* File:                        columninfo.h
   2  *
   3  * Description:         See "columninfo.c"
   4  *
   5  * Comments:            See "notice.txt" for copyright and license information.
   6  *
   7  */
   8
   9 #ifndef __COLUMNINFO_H__
  10 #define __COLUMNINFO_H__
  11
  12 #include "psqlodbc.h"
  13
  14 struct ColumnInfoClass_
  15 {
  16         Int2            num_fields;
  17         struct srvr_info
  18         {
  19                 char    *name;          /* field name */
  20                 OID     adtid;          /* type oid */
  21                 Int2    adtsize;        /* type size */
  22                 Int4    display_size;   /* the display size (longest row) */
  23                 Int4    atttypmod;      /* the length of bpchar/varchar */
  24                 OID     relid;          /* the relation id */
  25                 Int2    attid;          /* the attribute number */
  26         }       *coli_array;
  27 };
  28
  29 #define CI_get_num_fields(self)                 (self->num_fields)
  30 #define CI_get_oid(self, col)                   (self->coli_array[col].adtid)
  31 #define CI_get_fieldname(self, col)             (self->coli_array[col].name)
  32 #define CI_get_fieldsize(self, col)             (self->coli_array[col].adtsize)
  33 #define CI_get_display_size(self, col)          (self->coli_array[col].display_size)
  34 #define CI_get_atttypmod(self, col)             (self->coli_array[col].atttypmod)
  35 #define CI_get_relid(self, col) (self->coli_array[col].relid)
  36 #define CI_get_attid(self, col) (self->coli_array[col].attid)
  37
  38 ColumnInfoClass *CI_Constructor(void);
  39 void            CI_Destructor(ColumnInfoClass *self);
  40 void            CI_free_memory(ColumnInfoClass *self);
  41 char            CI_read_fields(ColumnInfoClass *self, ConnectionClass *conn);
  42
  43 /* functions for setting up the fields from within the program, */
  44 /* without reading from a socket */
  45 void            CI_set_num_fields(ColumnInfoClass *self, int new_num_fields, BOOL);
  46 void CI_set_field_info(ColumnInfoClass *self, int field_num,
  47                        const char *new_name,
  48                        OID new_adtid, Int2 new_adtsize, Int4 atttypmod,
  49                        OID new_relid, OID new_attid);
  50
  51 #endif