Function IndexNameGetIndexDetailsCore

pg_documentdb/src/metadata/index.c:933–971

static IndexDetails *
IndexNameGetIndexDetailsCore(const char *cmdStr, uint64 collectionId, const
							 char *indexName)
{
	int argCount = 2;
	Oid argTypes[2];
	Datum argValues[2];

	argTypes[0] = INT8OID;
	argValues[0] = UInt64GetDatum(collectionId);

	argTypes[1] = TEXTOID;
	argValues[1] = CStringGetTextDatum(indexName);

	/* all args are non-null */
	char *argNulls = NULL;

	bool readOnly = true;

	int numValues = 3;
	bool isNull[3];
	Datum results[3];
	ExtensionExecuteMultiValueQueryWithArgsViaSPI(cmdStr, argCount, argTypes,
												  argValues, argNulls, readOnly,
												  SPI_OK_SELECT, results, isNull,
												  numValues);
	if (isNull[0])
	{
		return NULL;
	}

	IndexDetails *indexDetails = palloc0(sizeof(IndexDetails));
	indexDetails->indexId = DatumGetInt32(results[0]);
	indexDetails->indexSpec = *DatumGetIndexSpec(results[1]);
	indexDetails->collectionId = collectionId;
	indexDetails->isIndexBuildInProgress = DatumGetBool(results[2]);

	return indexDetails;
}


/*