Function SerializeWeightedPaths

pg_documentdb/src/commands/create_indexes.c:6887–6913

* Serializes the paths & weights to a format that can be passed down to the CREATE INDEX. */

 * Serializes the paths & weights to a format that can be passed down to the CREATE INDEX.
 */
static const char *
SerializeWeightedPaths(List *weightedPaths)
{
	if (weightedPaths == NIL)
	{
		return "";
	}

	pgbson_writer topLevelWriter;
	PgbsonWriterInit(&topLevelWriter);

	pgbson_writer childWriter;
	PgbsonWriterStartDocument(&topLevelWriter, "", 0, &childWriter);

	ListCell *cell = NULL;
	foreach(cell, weightedPaths)
	{
		TextIndexWeights *weights = lfirst(cell);
		PgbsonWriterAppendDouble(&childWriter, weights->path, -1, weights->weight);
	}

	PgbsonWriterEndDocument(&topLevelWriter, &childWriter);

	pgbsonelement element;
	PgbsonToSinglePgbsonElement(PgbsonWriterGetPgbson(&topLevelWriter), &element);
	return BsonValueToJsonForLogging(&element.bsonValue);
}


/*