Created
January 5, 2013 14:56
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compare EXPLAIN UPDATE
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| without indices | |
| Hash Join (cost=13973.56..43799.18 rows=31766 width=583) | |
| Hash Cond: ((p."globalSchemeId")::text = (s."GlobalSchemeId")::text) | |
| -> Hash Join (cost=13963.11..43034.28 rows=31766 width=579) | |
| Hash Cond: ((p."countryPayment")::text = (c.code)::text) | |
| -> Hash Join (cost=13955.08..42271.81 rows=31766 width=575) | |
| Hash Cond: ((p."globalRecipientId")::text = (r."globalRecipientId")::text) | |
| -> Seq Scan on payment p (cost=0.00..18317.68 rows=860568 width=571) | |
| -> Hash (cost=13784.48..13784.48 rows=13648 width=13) | |
| -> Seq Scan on recipient r (cost=0.00..13784.48 rows=13648 width=13) | |
| -> Hash (cost=4.68..4.68 rows=268 width=7) | |
| -> Seq Scan on country c (cost=0.00..4.68 rows=268 width=7) | |
| -> Hash (cost=10.20..10.20 rows=20 width=222) | |
| -> Seq Scan on scheme s (cost=0.00..10.20 rows=20 width=222) | |
| with indices | |
| Hash Join (cost=25553.80..226914.68 rows=860568 width=583) | |
| Hash Cond: ((p."globalSchemeId")::text = (s."GlobalSchemeId")::text) | |
| -> Hash Join (cost=25552.62..206475.01 rows=860568 width=579) | |
| Hash Cond: ((p."globalRecipientId")::text = (r."globalRecipientId")::text) | |
| -> Hash Join (cost=8.03..38764.20 rows=860568 width=575) | |
| Hash Cond: ((p."countryPayment")::text = (c.code)::text) | |
| -> Seq Scan on payment p (cost=0.00..18317.68 rows=860568 width=571) | |
| -> Hash (cost=4.68..4.68 rows=268 width=7) | |
| -> Seq Scan on country c (cost=0.00..4.68 rows=268 width=7) | |
| -> Hash (cost=17992.26..17992.26 rows=434426 width=13) | |
| -> Seq Scan on recipient r (cost=0.00..17992.26 rows=434426 width=13) | |
| -> Hash (cost=1.08..1.08 rows=8 width=222) | |
| -> Seq Scan on scheme s (cost=0.00..1.08 rows=8 width=222) |
Can you post the exact query you executed?
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The difference was:
create index scheme_global_scheme_id_idx on scheme("GlobalSchemeId");
create index recipient_global_recipient_id_idx on recipient("globalRecipientId");
create index country_code_idx on country(code);
create index gri_idx on payment("globalRecipientId");