Function concat_replicate

methods/svec/src/pg_gp/SparseData.c:1715–1742

* @param rep The SparseData to be replicated * @param multiplier The number of times to replicate rep * @return The input rep SparseData replicated multiplier times. */

 * @return The input rep SparseData replicated multiplier times.
 */
SparseData concat_replicate(SparseData rep, int multiplier) {
	if (rep == NULL) return NULL;

	SparseData sdata = makeEmptySparseData();
	char *vals,*index;
	int l_val_len = rep->vals->len;
	int l_ind_len = rep->index->len;
	int val_len = l_val_len*multiplier;
	int ind_len = l_ind_len*multiplier;

	vals = (char *)palloc(sizeof(char)*val_len + 1);
	index = (char *)palloc(sizeof(char)*ind_len + 1);

	for (int i=0;i<multiplier;i++) {
		memcpy(vals+i*l_val_len,rep->vals->data,l_val_len);
		memcpy(index+i*l_ind_len,rep->index->data,l_ind_len);
	}
	vals[val_len] = '\0';
	index[ind_len] = '\0';

	sdata->vals  = makeStringInfoFromData(vals,val_len);
	sdata->index = makeStringInfoFromData(index,ind_len);
	sdata->type_of_data = rep->type_of_data;
	sdata->unique_value_count = multiplier * rep->unique_value_count;
	sdata->total_value_count  = multiplier * rep->total_value_count;

	return sdata;
}

static bool lapply_error_checking(Oid foid, List * funcname);