pg.ddx.io pgsql-performance@postgresql.org mailing list archive help / color / mirror / Atom feed From: Belal Al-Hamed <belalhamed@gmail.com>
To: pgsql-performance@postgresql.org
Subject: Re: Copy command Faster than original select
Date: Fri, 6 Feb 2015 01:44:29 -0700 (MST)
Message-ID: <1423212269828-5836890.post@n5.nabble.com> (raw )
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thanks,
but isn't copy use the same plan ???
any way this is the query play
"Sort (cost=15402.76..15511.77 rows=43602 width=184)"
" Output: "Sessions"."SesUser", "Vouchers"."VouID",
"Journals"."JurMuniment", "Journals"."JurRefID", "Journals"."JurDate",
"Vouchers"."VouJournal", "Vouchers"."VouMunNumber", "Vouchers"."VouDate",
"Vouchers"."VouNote", "Vouchers"."VouDoc", "Journals"."JurM (...)"
" Sort Key: "VouItems"."ItmDate", "Vouchers"."VouID",
"VouItems"."ItmNumber""
" -> Hash Join (cost=4665.21..8164.77 rows=43602 width=184)"
" Output: "Sessions"."SesUser", "Vouchers"."VouID",
"Journals"."JurMuniment", "Journals"."JurRefID", "Journals"."JurDate",
"Vouchers"."VouJournal", "Vouchers"."VouMunNumber", "Vouchers"."VouDate",
"Vouchers"."VouNote", "Vouchers"."VouDoc", "Journals" (...)"
" Hash Cond: ("VouItems"."ItmMaster" = "Vouchers"."VouID")"
" -> Seq Scan on public."VouItems" (cost=0.00..1103.02 rows=43602
width=89)"
" Output: "VouItems"."ItmMaster", "VouItems"."ItmNumber",
"VouItems"."ItmCurDebit", "VouItems"."ItmCurCredit",
"VouItems"."ItmAccount", "VouItems"."ItmBranch", "VouItems"."ItmSubAccount",
"VouItems"."ItmMuniment", "VouItems"."ItmDate", "VouItem (...)"
" -> Hash (cost=4107.41..4107.41 rows=20544 width=95)"
" Output: "Vouchers"."VouID", "Vouchers"."VouJournal",
"Vouchers"."VouMunNumber", "Vouchers"."VouDate", "Vouchers"."VouNote",
"Vouchers"."VouDoc", "Vouchers"."VouIsHold", "Vouchers"."VouCreateDate",
"Vouchers"."VouDebit", "Vouchers"."VouCredit" (...)"
" -> Hash Join (cost=1793.25..4107.41 rows=20544 width=95)"
" Output: "Vouchers"."VouID", "Vouchers"."VouJournal",
"Vouchers"."VouMunNumber", "Vouchers"."VouDate", "Vouchers"."VouNote",
"Vouchers"."VouDoc", "Vouchers"."VouIsHold", "Vouchers"."VouCreateDate",
"Vouchers"."VouDebit", "Vouchers"."VouC (...)"
" Hash Cond: ("Vouchers"."VouJournal" =
"Journals"."JurID")"
" -> Hash Join (cost=1236.16..3165.12 rows=20544
width=74)"
" Output: "Vouchers"."VouID",
"Vouchers"."VouJournal", "Vouchers"."VouMunNumber", "Vouchers"."VouDate",
"Vouchers"."VouNote", "Vouchers"."VouDoc", "Vouchers"."VouIsHold",
"Vouchers"."VouCreateDate", "Vouchers"."VouDebit", "Vouchers" (...)"
" Hash Cond: ("Vouchers"."VouSession" =
"Sessions"."SesID")"
" -> Seq Scan on public."Vouchers"
(cost=0.00..883.44 rows=20544 width=78)"
" Output: "Vouchers"."VouID",
"Vouchers"."VouJournal", "Vouchers"."VouMunNumber", "Vouchers"."VouDate",
"Vouchers"."VouNote", "Vouchers"."VouDoc", "Vouchers"."VouIsHold",
"Vouchers"."VouCreateDate", "Vouchers"."VouDebit", "Vou (...)"
" -> Hash (cost=654.85..654.85 rows=33385
width=12)"
" Output: "Sessions"."SesUser",
"Sessions"."SesID""
" -> Seq Scan on public."Sessions"
(cost=0.00..654.85 rows=33385 width=12)"
" Output: "Sessions"."SesUser",
"Sessions"."SesID""
" -> Hash (cost=417.04..417.04 rows=11204 width=29)"
" Output: "Journals"."JurMuniment",
"Journals"."JurRefID", "Journals"."JurDate", "Journals"."JurMunNumber",
"Journals"."JurID""
" -> Seq Scan on public."Journals"
(cost=0.00..417.04 rows=11204 width=29)"
" Output: "Journals"."JurMuniment",
"Journals"."JurRefID", "Journals"."JurDate", "Journals"."JurMunNumber",
"Journals"."JurID""
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To: pgsql-performance@postgresql.org
Cc: belalhamed@gmail.com
Subject: Re: Copy command Faster than original select
In-Reply-To: <1423212269828-5836890.post@n5.nabble.com>
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