55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/* File: columninfo.h
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*
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* Description: See "columninfo.c"
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*
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* Comments: See "readme.txt" for copyright and license information.
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*
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*/
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#ifndef __COLUMNINFO_H__
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#define __COLUMNINFO_H__
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#include "psqlodbc.h"
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#include <libpq-fe.h>
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struct ColumnInfoClass_
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{
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UInt4 refcount; /* reference count. A ColumnInfo can be shared by
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* several qresults. */
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Int2 num_fields;
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struct srvr_info
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{
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char *name; /* field name */
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OID adtid; /* type oid */
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Int2 adtsize; /* type size */
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Int4 display_size; /* the display size (longest row) */
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Int4 atttypmod; /* the length of bpchar/varchar */
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OID relid; /* the relation id */
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Int2 attid; /* the attribute number */
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} *coli_array;
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};
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#define CI_get_num_fields(self) (self->num_fields)
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#define CI_get_oid(self, col) (self->coli_array[col].adtid)
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#define CI_get_fieldname(self, col) (self->coli_array[col].name)
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#define CI_get_fieldsize(self, col) (self->coli_array[col].adtsize)
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#define CI_get_display_size(self, col) (self->coli_array[col].display_size)
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#define CI_get_atttypmod(self, col) (self->coli_array[col].atttypmod)
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#define CI_get_relid(self, col) (self->coli_array[col].relid)
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#define CI_get_attid(self, col) (self->coli_array[col].attid)
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ColumnInfoClass *CI_Constructor(void);
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void CI_Destructor(ColumnInfoClass *self);
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void CI_free_memory(ColumnInfoClass *self);
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BOOL CI_read_fields_from_pgres(ColumnInfoClass *self, PGresult *pgres);
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/* functions for setting up the fields from within the program, */
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/* without reading from a socket */
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void CI_set_num_fields(ColumnInfoClass *self, int new_num_fields);
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void CI_set_field_info(ColumnInfoClass *self, int field_num, char *new_name,
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OID new_adtid, Int2 new_adtsize, Int4 atttypmod,
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OID new_relid, OID new_attid);
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#endif
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