Function makeEmptySparseData

methods/svec/src/pg_gp/SparseData.c:1151–1175

* @return A SparseData with zero storage in its StringInfos. */

 * @return A SparseData with zero storage in its StringInfos.
 */
SparseData makeEmptySparseData(void) {
	/* Allocate the struct */
	SparseData sdata = (SparseData)palloc(sizeof(SparseDataStruct));

	/* Set up the data area */
	sdata->vals = (StringInfo)palloc(sizeof(StringInfoData));
	sdata->vals->data = (char *)palloc(1);
	sdata->vals->maxlen = 1;
	sdata->vals->data[0] = '\0';
	sdata->vals->len = 0;
	sdata->vals->cursor = 0;

	sdata->index = (StringInfo)palloc(sizeof(StringInfoData));
	sdata->index->data = (char *)palloc(1);
	sdata->index->maxlen = 1;
	sdata->index->data[0] = '\0';
	sdata->index->len = 0;
	sdata->index->cursor = 0;

	sdata->unique_value_count = 0;
	sdata->total_value_count = 0;
	sdata->type_of_data = FLOAT8OID;

	return sdata;
}

/**
 * @param vals An array of data values