postgresql/contrib/pgstattuple/README.pgstattuple.euc_jp

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$PostgreSQL: pgsql/contrib/pgstattuple/README.pgstattuple.euc_jp,v 1.9 2007/06/07 09:56:25 mha Exp $
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pgstattuple README 2002/08/22 <20>а<EFBFBD>ã<EFBFBD><C3A3>
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1. <20><><EFBFBD>ݡ<EFBFBD><DDA1>Ȥ<EFBFBD><C8A4><EFBFBD><EFBFBD>Ƥ<EFBFBD><C6A4><EFBFBD><EFBFBD>ؿ<EFBFBD>
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pgstattuple
-----------
pgstattuple<6C>ϡ<EFBFBD>UPDATE<54><45>DELETE<54>Ǻ<EFBFBD><C7BA><EFBFBD><EFBFBD>줿<EFBFBD><ECA4BF><EFBFBD><EFBFBD><ECA1BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Υ<EFBFBD><CEA5><EFBFBD><EFBFBD>ΰ<EFBFBD><CEB0><EFBFBD><EFBFBD><EFBFBD><E7A4AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<20><><EFBFBD><EFBFBD><ECA1BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Τ<EFBFBD>ʪ<EFBFBD><CAAA>Ū<EFBFBD><C5AA><EFBFBD><EFBFBD><E7A4AD><EFBFBD><EFBFBD><EFBFBD>Ф<EFBFBD><D0A4><EFBFBD><EFBFBD>ѡ<EFBFBD><D1A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ơ<EFBFBD><C6A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵѤ<D6B5><D1A4>ޤ<EFBFBD><DEA4><EFBFBD><EFBFBD><EFBFBD>
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<20>ޤꡤ<DEA4>ֵ<EFBFBD><D6B5>ͤ<EFBFBD><CDA4><EFBFBD><E7A4AD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߤ<EFBFBD>¿<EFBFBD><C2BF><EFBFBD>Τǡ<CEA4>vacuum<75>򤫤<EFBFBD><F2A4ABA4><EFBFBD>ɬ
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<20>פ<EFBFBD><D7A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȥ<EFBFBD><C8A4><EFBFBD>Ƚ<EFBFBD>Ǥν<C7A4><CEBD><EFBFBD><EFBFBD>ˤʤ<CBA4><CAA4><EFBFBD>Ǥ<EFBFBD><C7A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʳ<EFBFBD><CAB3>ˤ⤤<CBA4><E2A4A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD>
<20><><EFBFBD>֤<EFBFBD><D6A4>ޤ<EFBFBD><DEA4><EFBFBD>
pgstattuple() <20>ϡ<EFBFBD><CFA1><EFBFBD><EFBFBD><EFBFBD><ECA1BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD><EFBFBD><E4A1A2><EFBFBD>ץ<EFBFBD><D7A5><EFBFBD>"<22><><EFBFBD><EFBFBD><EFBFBD>ΰ<EFBFBD>"<22>γ<EFBFBD><CEB3><EFBFBD><EFBFBD>ʤɤ<CAA4>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵѤ<D6B5><D1A4>ޤ<EFBFBD><DEA4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ξ<EFBFBD><CEBE><EFBFBD><EFBFBD>ϡ<EFBFBD>vacuum <20><>ɬ<EFBFBD>פ<EFBFBD><D7A4>ɤ<EFBFBD><C9A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><E6A1BC><EFBFBD><EFBFBD>Ƚ<EFBFBD><C8BD>
<20><><EFBFBD><EFBFBD><EFBFBD>Τ<EFBFBD><CEA4><EFBFBD>Ω<EFBFBD>ĤǤ<C4A4><C7A4><EFBFBD><E7A4A6><EFBFBD><EFBFBD>аʲ<D0B0><CAB2>Τ<CEA4>ʷ<EFBFBD><CAB7>ˤʤ<CBA4><CAA4>ޤ<EFBFBD><DEA4><EFBFBD>
test=> \x
Expanded display is on.
test=> SELECT * FROM pgstattuple('pg_catalog.pg_proc');
-[ RECORD 1 ]------+-------
table_len | 458752
tuple_count | 1470
tuple_len | 438896
tuple_percent | 95.67
dead_tuple_count | 11
dead_tuple_len | 3157
dead_tuple_percent | 0.69
free_space | 8932
free_percent | 1.95
<20>ʲ<EFBFBD><CAB2><EFBFBD><EFBFBD>ƹ<EFBFBD><C6B9>ܤ<EFBFBD><DCA4><EFBFBD><EFBFBD>ƤǤ<C6A4><C7A4><EFBFBD>
table_len -- <20><><EFBFBD><EFBFBD><ECA1BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʪ<EFBFBD><CAAA>Ū<EFBFBD><C5AA><EFBFBD><EFBFBD><E7A4AD>(<28>Х<EFBFBD><D0A5><EFBFBD>)
tuple_count -- <20><><EFBFBD>ץ<EFBFBD><D7A5><EFBFBD>
tuple_len -- <20><><EFBFBD>ץ<EFBFBD>Ĺ<EFBFBD>ι<EFBFBD><CEB9><EFBFBD>(<28>Х<EFBFBD><D0A5><EFBFBD>)
tuple_percent -- <20><><EFBFBD>ץ<EFBFBD><D7A5>γ<EFBFBD><CEB3>硥table_len<65><6E><EFBFBD>Ф<EFBFBD><D0A4><EFBFBD>tuple_len<65><6E><EFBFBD><EFBFBD>Ψ<EFBFBD><CEA8>
dead_tuple_len -- <20>ǥåɥ<C3A5><C9A5>ץ<EFBFBD><D7A5><EFBFBD>
dead_tuple_percent -- <20>ǥåɥ<C3A5><C9A5>ץ<EFBFBD><D7A5>γ<EFBFBD><CEB3>硥table_len<65><6E><EFBFBD>Ф<EFBFBD><D0A4><EFBFBD>tuple_len<65><6E><EFBFBD><EFBFBD>Ψ<EFBFBD><CEA8>
free_space -- <20><><EFBFBD><EFBFBD><EFBFBD>Ѳ<EFBFBD>ǽ<EFBFBD><C7BD><EFBFBD>ΰ<EFBFBD>(<28>Х<EFBFBD><D0A5><EFBFBD>)
free_percent -- <20><><EFBFBD><EFBFBD><EFBFBD>Ѳ<EFBFBD>ǽ<EFBFBD><C7BD><EFBFBD>ΰ补table_len<65><6E><EFBFBD>Ф<EFBFBD><D0A4><EFBFBD>free_space<63><65><EFBFBD><EFBFBD>Ψ<EFBFBD><CEA8>
pg_relpages
-----------
pg_relpages() <20>ϥ<EFBFBD><CFA5><EFBFBD><ECA1BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Υڡ<CEA5><DAA1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵѤ<D6B5><D1A4>ޤ<EFBFBD><DEA4><EFBFBD>
pgstatindex
-----------
pgstatindex() <20>ϥ<EFBFBD><CFA5><EFBFBD><EFBFBD>ǥå<C7A5><C3A5><EFBFBD><EFBFBD>˴ؤ<CBB4><D8A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵѤ<D6B5><D1A4>ޤ<EFBFBD><DEA4><EFBFBD>
test=> \x
Expanded display is on.
test=> SELECT * FROM pgstatindex('pg_cast_oid_index');
-[ RECORD 1 ]------+------
version | 2
tree_level | 0
index_size | 8192
root_block_no | 1
internal_pages | 0
leaf_pages | 1
empty_pages | 0
deleted_pages | 0
avg_leaf_density | 50.27
leaf_fragmentation | 0
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2. pgstattuple<6C>Υ<EFBFBD><CEA5>󥹥ȡ<F3A5B9A5><C8A1><EFBFBD>
PostgreSQL<51><4C>/usr/local/pgsql<71>˥<EFBFBD><CBA5>󥹥ȡ<F3A5B9A5><C8A1><EFBFBD><EFBFBD>ѤǤ<D1A4><C7A4>ꡤtest<73>ǡ<EFBFBD><C7A1><EFBFBD><EFBFBD>١<EFBFBD>
<20><><EFBFBD><EFBFBD>pgstattuple<6C>򥤥󥹥ȡ<F3A5B9A5><C8A1><EFBFBD><EBA4B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD><CEBC><EFBFBD><EFBFBD>򼨤<EFBFBD><F2BCA8A4>ޤ<EFBFBD><DEA4><EFBFBD>
$ make
$ make install
<20><EFBFBD><E6A1BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD><D8BF><EFBFBD><EFBFBD><EFBFBD>Ͽ<EFBFBD><CFBF><EFBFBD>ޤ<EFBFBD><DEA4><EFBFBD>
$ psql -e -f /usr/local/pgsql/share/contrib/pgstattuple.sql test
3. pgstattuple<6C>λȤ<CEBB><C8A4><EFBFBD>
pgstattuple<6C>θƤӽФ<D3BD><D0A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϰʲ<CFB0><CAB2>Ǥ<EFBFBD><C7A4><EFBFBD>
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CREATE OR REPLACE FUNCTION pgstattuple(text) RETURNS pgstattuple_type
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AS 'MODULE_PATHNAME', 'pgstattuple'
LANGUAGE C STRICT;
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD><ECA1BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̾
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<20>ؿ<EFBFBD><D8BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>pgstattuple_type<70><65><EFBFBD>Ǥ<EFBFBD><C7A4><EFBFBD>
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pgstattuple<6C>ϥ<EFBFBD><CFA5><EFBFBD><ECA1BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>AccessShareLock<63><6B><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʤ<EFBFBD><CAA4>Τǡ<CEA4>
pgstattuple <20><><EFBFBD>¹<EFBFBD><C2B9><EFBFBD><EFBFBD>˳<EFBFBD><CBB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><ECA1BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˹<EFBFBD><CBB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȯ<EFBFBD><C8AF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<20>ʤ<EFBFBD><CAA4><EFBFBD><EFBFBD>̤<EFBFBD><CCA4>֤<EFBFBD><D6A4><EFBFBD>ǽ<EFBFBD><C7BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ޤ<EFBFBD><DEA4><EFBFBD>
pgstattuple<6C><65><EFBFBD><EFBFBD><EFBFBD>ץ<EFBFBD><D7A5><EFBFBD><EFBFBD>֥<EFBFBD><D6A5>ߡפ<DFA1>Ƚ<EFBFBD>Ǥ<EFBFBD><C7A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϡ<EFBFBD>
HeapTupleSatisfiesNow()<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD>Ȥ<EFBFBD><C8A4>Ǥ<EFBFBD><C7A4><EFBFBD>
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4. pgstattuple<6C>Υ<CEA5><E9A5A4><EFBFBD>󥹾<EFBFBD><F3A5B9BE><EFBFBD><EFBFBD>ˤĤ<CBA4><C4A4><EFBFBD>
pgstattuple.c<><63><EFBFBD><EFBFBD>Ƭ<EFBFBD>˽񤤤Ƥ<F1A4A4A4><C6A4><EFBFBD><EFBFBD>̤<EFBFBD><CCA4>Ǥ<EFBFBD><C7A4><EFBFBD><EFBFBD>ޤ<EFBFBD><DEA4><EFBFBD>pgstattuple <20>ϴ<EFBFBD><CFB4><EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD><CCB5>
<20>ڤǤ<DAA4><C7A4><EFBFBD>pgstattuple <20><><EFBFBD><EFBFBD><EFBFBD>Ѥ<EFBFBD><D1A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȥˤ<C8A4><CBA4>ä<EFBFBD><C3A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EBA4A4><EFBFBD>ʤ<EFBFBD><CAA4><EFBFBD><EFBFBD>̤˴ؤ<CBB4><D8A4><EFBFBD>
<20><><EFBFBD><EFBFBD>Ǥ<EFBFBD><C7A4><EFBFBD><EFBFBD>ޤ<EFBFBD><DEA4><EFBFBD><EFBFBD><EFBFBD>
5. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
2006/06/28
<09><><EFBFBD><EFBFBD><EFBFBD>ǥå<C7A5><C3A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ф<EFBFBD><D0A4>Ƥ<EFBFBD>ư<EFBFBD><EFBFBD><EEA4B9><EFBFBD><EFBFBD>˳<EFBFBD>ĥ<EFBFBD><C4A5>
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2002/09/04
SRF<52>ѹ<EFBFBD><D1B9><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD>Tom Lane <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󥿡<EFBFBD><F3A5BFA1>ե<EFBFBD><D5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ν<EFBFBD><CEBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԥä<D4A4><C3A4><EFBFBD>
<09><><EFBFBD>Τ<EFBFBD><CEA4>Ȥ򤳤<C8A4>README<4D>ˤ<EFBFBD>ȿ<EFBFBD>ǡ<EFBFBD>
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2002/08/23
SRF(Set Returning Function)<29><><EFBFBD>Ȥä<C8A4>7.3<EFBFBD>Ѥ˽񤭴<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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2001/12/20 Tom Lane<6E>ˤ<EFBFBD><CBA4><EFBFBD><EBBDA4>
Fix pgstattuple to acquire a read lock on the target table. This
prevents embarassments such as having the table dropped or truncated
partway through the scan. Also, fix free space calculation to include
pages that currently contain no tuples.
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2001/10/01 PostgreSQL 7.2 <20><>contrib module<6C><65><EFBFBD><EFBFBD>Ͽ
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2001/08/30 pgstattuple <20>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0.1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>