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#include "columninfo.h"

#include <stdlib.h>

#include <string.h>

#include "opensearch_types.h"

#include "opensearch_apifunc.h"

#include "opensearch_connection.h"

ColumnInfoClass *CI_Constructor(void) {

ColumnInfoClass *rv;

rv = (ColumnInfoClass *)malloc(sizeof(ColumnInfoClass));

if (rv) {

rv->refcount = 0;

rv->num_fields = 0;

rv->coli_array = NULL;

}

return rv;

}

void CI_Destructor(ColumnInfoClass *self) {

CI_free_memory(self);

free(self);

}

void CI_free_memory(ColumnInfoClass *self) {

register Int2 lf;

int num_fields = self->num_fields;

/* Safe to call even if null */

self->num_fields = 0;

if (self->coli_array) {

for (lf = 0; lf < num_fields; lf++) {

if (self->coli_array[lf].name) {

free(self->coli_array[lf].name);

self->coli_array[lf].name = NULL;

}

}

free(self->coli_array);

self->coli_array = NULL;

}

}

void CI_set_num_fields(ColumnInfoClass *self, SQLSMALLINT new_num_fields) {

CI_free_memory(self); /* always safe to call */

self->num_fields = new_num_fields;

self->coli_array =

(struct srvr_info *)calloc(sizeof(struct srvr_info), self->num_fields);

}

void CI_set_field_info(ColumnInfoClass *self, int field_num,

const char *new_name, OID new_adtid, Int2 new_adtsize,

Int4 new_atttypmod, OID new_relid, OID new_attid) {

/* check bounds */

if ((field_num < 0) || (field_num >= self->num_fields))

return;

/* store the info */

self->coli_array[field_num].name = strdup(new_name);

self->coli_array[field_num].adtid = new_adtid;

self->coli_array[field_num].adtsize = new_adtsize;

self->coli_array[field_num].atttypmod = new_atttypmod;

self->coli_array[field_num].display_size = OPENSEARCH_ADT_UNSET;

self->coli_array[field_num].relid = new_relid;

self->coli_array[field_num].attid = (short)new_attid;

}