Hi, the problem is there: Am 20.09.2018 um 11:48 schrieb Durgamahesh Manne:
Unique (cost=5871873.64..6580630.73 rows=7400074 width=89) (actual time=326397.551..389515.863 rows=3700000 loops=1) | | -> Sort (cost=5871873.64..5973124.65 rows=40500405 width=89) (actual time=326397.550..372470.846 rows=40500000 loops=1) | | Sort Key: sub_head."vchSubmittersCode", rec."vchFileName", rec."vchCusipFundIDSubFundID", rec."vchFundUnitPrice", sub_head."vchValuationDate", rec."vchAdvisorLabel" | | Sort Method: external merge Disk: 3923224kB |
Please check the execution time without DISTINCT. Regards, Andreas -- 2ndQuadrant - The PostgreSQL Support Company. www.2ndQuadrant.com