greenplumn cdbdistributedxid 源码
greenplumn cdbdistributedxid 代码
文件路径：/src/backend/cdb/cdbdistributedxid.c
/*-------------------------------------------------------------------------
*
* cdbdistributedxid.c
* Function to return maximum distributed transaction id.
*
* IDENTIFICATION
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "funcapi.h"
#include "utils/builtins.h"
#include "cdb/cdbtm.h"
Datum gp_distributed_xid(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(gp_distributed_xid);
Datum
gp_distributed_xid(PG_FUNCTION_ARGS pg_attribute_unused())
{
DistributedTransactionId xid = getDistributedTransactionId();
PG_RETURN_XID(xid);
}
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