PostgreSQL 9.3.2文鐃緒申
鐃緒申鐃塾ペ￥申鐃緒申	鐃緒申鐃緒申鐃緒申	鐃緒申 18鐃熟ワ申鐃緒申鐃出わ申鐃緒申鐃緒申	鐃緒申鐃塾ペ￥申鐃緒申

18.7. 鐃巡い鐃緒申錣誌申弉鐃�

18.7.1. 鐃竣ワ申鐃淑メソ鐃獣ワ申鐃緒申鐃緒申

鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申僖鐃潤ー鐃緒申鐃熟￥申鐃巡い鐃緒申錣誌申鐃緒申廛謄鐃緒申泪鐃緒申鐃緒申鐃緒申鐃緒申鬚垢鐃緒申笋わ申鐃緒せ鐃竣駕申鳳洞鐃緒申鐃緒申鐃緒申膸�申弔兵鐃祝￥申鐃緒申鷆，鐃緒申泙鐃緒申鐃� 鐃盾し鐃盾、鐃緒申鐃緒申鐃巡い鐃緒申錣誌申鐃緒申个鐃緒申謄鐃緒申廛謄鐃緒申泪鐃緒申鐃緒申鐃緒申鐃緒申鬚靴鐃緒申妊侫鐃緒申鐃夙計画が鐃緒申適鐃叔なわ申鐃緒申隋�鐃緒申鐃緒申的鐃緒申鐃緒申鐃緒申鐃熟￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申僖鐃潤ー鐃緒申鐃緒申1鐃縦わ申鐃緒申僂鐃緒申鐃緒申鐃緒申廛謄鐃緒申泪鐃緒申鐃緒申飽曚覆鐃竣駕申鐃緒申鐃緒申鬚垢鐃処う鐃祝仕醐申鐃緒申鐃暑こ鐃夙でわ申鐃緒申鐃淑種申鐃緒申鐃緒申匹鐃緒申鐃緒申鐃緒申鐃緒申楼焚鐃緒申鐃殉みまわ申鐃緒申鐃竣ワ申鐃淑ワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃縦器申鐃緒申鐃緒申18.7.2鐃薯参照）￥申 default_statistics_target鐃緒申鐃緒申僖鐃潤ー鐃緒申鐃緒申鐃粛わ申鐃緒申箸鐃緒申腓㍼申鐃緒申鐃� 鐃緒申鐃緒申鐃緒申ALTER TABLE SET STATISTICS鐃緒申鐃緒申僂鐃緒申董鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申个鐃緒申銅鐃緒申鐃緒申鐃緒申譴随申鐃緒申彎鐃緒申鐃緒申鐃緒申鐃巡し鐃殉わ申鐃緒申

enable_bitmapscan (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆鐃緒申咼奪肇泪奪廛鐃緒申鐃緒申鐃緒申弉莊随申鐃緒申鐃緒申鬚垢襪鰹申箸鐃粛㍼申鐃緒申發件申鐃緒申鐃縮居申鐃緒申砲鐃緒申泙鐃緒申鐃緒申妊侫鐃緒申鐃夙わ申on鐃叔わ申鐃緒申
enable_hashagg (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆鐃緒申魯奪鐃緒申綵醐申鐃竣画型鐃緒申鐃緒申鐃薯するこ鐃夙わ申有鐃緒申鐃盾し鐃緒申鐃緒申無鐃緒申鐃祝わ申鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃�on鐃叔わ申鐃緒申
enable_hashjoin (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆鐃緒申魯奪鐃緒申鐃緒申鐃竣画型鐃緒申鐃緒申鐃薯するこ鐃夙わ申有鐃緒申鐃盾し鐃緒申鐃緒申無鐃緒申鐃祝わ申鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃�on鐃叔わ申鐃緒申
enable_indexscan (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆鐃緒申鐃緒申鐃叔ッワ申鐃緒申鐃緒申鐃緒申鐃竣画型鐃緒申鐃緒申鐃薯するこ鐃夙わ申有鐃緒申鐃盾し鐃緒申鐃緒申無鐃緒申鐃祝わ申鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃�on鐃叔わ申鐃緒申
enable_indexonlyscan (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆鐃緒申鐃緒申鐃叔ッワ申鐃緒申鐃緒申鐃緒申鐃竣画型鐃塾みわ申鐃緒申鐃薯するこ鐃夙わ申有鐃緒申鐃盾し鐃緒申鐃緒申無鐃緒申鐃祝わ申鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃�on鐃叔わ申鐃緒申
enable_material (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆龍鐃緒申硫鐃緒申了鐃緒申僂鐃粛㍼申鐃緒申鐃緒申泙鐃緒申鐃縮居申鐃緒申砲鐃緒申泙鐃緒申鐃� 鐃緒申鐃塾にわた鐃獣て駈申鐃塾駕申鐃薯差わ申鐃淳わ申襪鰹申箸呂任鐃緒申泙鐃緒申鵑�鐃緒申鐃緒申鐃緒申佑鐃�off鐃祝わ申鐃暑こ鐃夙にわ申蝓�申鐃緒申鐃緒申鐃緒申鐃緒申弋瓩居申鐃緒申鐃緒申鐃緒申鐃緒申鐃銃￥申鐃緒申鐃塾駕申鐃塾￥申鐃宿わ申廛鐃緒申覆鐃緒申鐃緒申鐃緒申鐃緒申襪鰹申箸鐃緒申瓢澆鐃緒申泙鐃緒申鐃緒申妊侫鐃緒申鐃夙わ申on鐃叔わ申鐃緒申
enable_mergejoin (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆鐃緒申沺鐃緒申鐃緒申鐃緒申弉莊随申鐃緒申鐃緒申鬚垢襪鰹申箸鐃粛㍼申鐃緒申發件申鐃緒申鐃縮居申鐃緒申砲鐃緒申泙鐃緒申鐃緒申妊侫鐃緒申鐃夙わ申on鐃叔わ申鐃緒申
enable_nestloop (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆鐃緒申鐃緒申鐃述になっわ申鐃暑ー鐃竣件申鐃竣駕申鐃緒申鐃緒申鬚垢襪鰹申箸鐃粛㍼申鐃緒申發件申鐃緒申鐃縮居申鐃緒申砲鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申劵襦種申弖鐃緒申鐃緒申鐃緒申剖愡澆鐃緒申襪鰹申箸鐃緒申垈鐃叔緒申任鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申竸鐃緒申鬟�佞砲鐃緒申鐃夙￥申鐃盾し他鐃緒申鐃緒申法鐃緒申鐃緒申鐃術でわ申鐃緒申里任鐃緒申鐃出￥申鐃竣ワ申鐃淑はわ申鐃塾誌申鐃術わ申圓鐃淑わ申鐃処う鐃祝なわ申泙鐃緒申鐃� 鐃叔フワ申鐃緒申箸鐃�on鐃叔わ申鐃緒申
enable_seqscan (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆鐃緒申鐃緒申鐃緒申鐃緒申鵐轡鐃緒申鐃緒申鐃緒申鐃竣駕申鐃緒申鐃緒申鬚垢襪鰹申箸鐃粛㍼申鐃緒申發件申鐃緒申鐃縮居申鐃緒申砲鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申鐃緒申鐃藷シワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申剖愡澆鐃緒申襪鰹申箸鐃緒申垈鐃叔緒申任鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申竸鐃緒申鬟�佞砲鐃緒申鐃夙￥申鐃盾し他鐃緒申鐃緒申法鐃緒申鐃緒申鐃術でわ申鐃緒申里任鐃緒申鐃出￥申鐃竣ワ申鐃淑はわ申鐃塾誌申鐃術わ申圓鐃淑わ申鐃処う鐃祝なわ申泙鐃緒申鐃緒申妊侫鐃緒申鐃夙わ申on鐃叔わ申鐃緒申
enable_sort (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆鐃緒申鐃緒申鐃重�申造鐃緒申悗鐃緒申鐃緒申鐃緒申鐃緒申鬚垢襪鰹申箸鐃粛㍼申鐃緒申發件申鐃緒申鐃縮居申鐃緒申砲鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申的鐃渋わ申鐃舜わ申鐃緒申鐃緒申鐃祝禁止わ申鐃暑こ鐃夙わ申鐃峻駕申能鐃叔わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃術随申鐃薯オフにわ申鐃緒申函鐃緒申發径常申鐃緒申鐃祝￥申鐃緒申鐃緒申僂任鐃緒申鐃塾でわ申鐃緒申弌鐃緒申廛鐃緒申覆呂鐃緒申了鐃緒申僂鐃峻わ申覆鐃緒申茲�申砲覆鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃�on鐃叔わ申鐃緒申
enable_tidscan (boolean): 鐃巡い鐃緒申錣誌申廛鐃緒申覆鐃�TID鐃緒申鐃緒申鐃竣画型鐃緒申鐃緒申鐃薯するこ鐃夙わ申有鐃緒申鐃盾し鐃緒申鐃緒申無鐃緒申鐃祝わ申鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃�on鐃叔わ申鐃緒申

18.7.2. 鐃竣ワ申鐃淑ワ申鐃緒申鐃緒申鐃緒申鐃�

鐃緒申鐃緒申念鐃緒申鐃�鐃緒申鐃緒申鐃緒申鐃術随申鐃熟￥申任鐃春の種申鐃駿わ申測鐃緒申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申的鐃緒申鐃粛でわ申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃� 鐃緒申鐃塾わ申鐃潤、同鐃緒申鐃緒申鐃述で種申鐃駿わ申鐃術わ申鐃銃も、鐃竣ワ申鐃淑わ申鐃緒申鐃緒申老鐃縮とわ申鐃緒申鐃術わ申鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸任呂鐃緒申鐃緒申離鐃緒申鐃緒申鐃緒申竸鐃緒申魯鐃緒申鐃緒申鐃緒申鵐轡鐃緒申淵據鐃緒申鐃緒申鐃緒申鐃緒申澆亡鐃重わ申鐃銃わ申鐃殉わ申鐃緒申鐃縦まり、seq_page_cost鐃薯慣緒申的鐃緒申1.0鐃夙わ申鐃緒申他鐃塾ワ申鐃緒申鐃緒申鐃術随申鐃薯そわ申鮖温佑砲鐃緒申鐃緒申鐃緒申蠅居申鐃銃わ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申望鐃緒申覆蕁�申鐃緒申鐃塾マワ申鐃緒申砲鐃緒申鐃緒申鐃淳ワ申鐃緒申単鐃縮の実行誌申鐃瞬など￥申鐃循なわ申鐃緒申戮鐃緒申鐃術わ申鐃暑こ鐃夙わ申鐃叔わ申鐃殉わ申鐃緒申

鐃緒申鐃緒申: 鐃緒申念鐃淑わ申鐃初、鐃緒申鐃緒申鐃緒申鐃術随申鐃緒申鐃出わ申鐃緒申鐃緒申鐃緒申的鐃緒申鐃粛わ申鐃緒申蠅刻申襦�申鐃所く鐃緒申鐃緒申鐃緒申譴随申鐃祝￥申鐃緒申鐃緒申鐃殉わ申鐃緒申鐃緒申鐃緒申離鐃緒申鵐好肇譟種申鐃緒申鐃藷が種申鐃緒申鐃緒申鐃緒申笋わ申鐃緒せ鐃緒申鐃塾を混在わ申鐃緒申鐃緒申鐃緒申里鐃淑随申僂鐃緒申鐃緒申鐃塾わ申里箸鐃緒申動鐃緒申鐃緒申討鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申亮存鐃緒申里澆鮑�鐃祝わ申鐃緒申鐃粛わ申鐃術刻申鐃緒申鐃暑こ鐃夙は器申鐃緒申鐃叔わ申鐃緒申箸鐃緒申鐃緒申泙鐃緒申鐃�

seq_page_cost (floating point)

鐃緒申鐃緒申鐃緒申鐃藷シワ申鐃淑逸申連鐃塾種申鐃出わ申鐃塾逸申鐃緒申鐃夙なる、鐃叔ワ申鐃緒申鐃緒申鐃准￥申鐃緒申鐃緒申鐃出わ申鐃祝関わ申鐃暑、鐃竣ワ申鐃淑の随申鐃所コ鐃緒申鐃夙わ申鐃緒申鐃所し鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃�1.0鐃叔わ申鐃緒申鐃緒申鐃緒申鐃粛わ申同鐃緒申名鐃緒申鐃緒申鐃緒申鐃緒申董鐃緒申屮鐃緒申鐃瞬パワ申瓠種申鐃緒申鐃緒申鐃緒申蠅刻申襪鰹申箸如鐃緒申鐃緒申鐃緒申鐃祝わ申鐃緒申董鐃緒申屮鐃夙ワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申个鐃緒申鐃書きわ申鐃緒申泙鐃緒申鐃�ALTER TABLESPACE鐃薯参照わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃祝￥申

random_page_cost (floating point)

鐃藷シ￥申鐃緒申鐃藷シワ申鐃重�申房鐃緒申个鐃緒申鐃緒申妊鐃緒申鐃緒申鐃緒申據鐃緒申鐃緒申離鐃緒申鐃緒申箸鐃緒申个鐃緒申鐃竣ワ申鐃淑の随申測鐃緒申鐃緒申鐃所し鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃�4鐃叔わ申鐃緒申鐃緒申鐃緒申鐃粛わ申同鐃緒申名鐃緒申鐃緒申鐃緒申鐃緒申董鐃緒申屮鐃緒申鐃瞬パワ申瓠種申鐃緒申鐃緒申鐃緒申蠅刻申襪鰹申箸如鐃緒申鐃緒申鐃緒申鐃祝わ申鐃緒申董鐃緒申屮鐃夙ワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申颪④鐃緒申泙鐃緒申鐃�ALTER TABLESPACE鐃薯参照わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃祝￥申

鐃緒申鐃緒申鐃粛わ申seq_page_cost鐃緒申鐃緒申鐃緒申的鐃祝醐申鐃緒申鐃緒申鐃緒申鐃緒申函鐃緒申鐃緒申鐃緒申謄鐃熟ワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鮃イ鐃叔誌申鐃術わ申鐃緒申茲�申砲覆鐃殉わ申鐃緒申鐃緒申鐃獣わ申鐃緒申鐃緒申函鐃緒申鐃緒申鐃叔ッワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃重�申帽鐃緒申鐃祝なわ申泙鐃緒申鐃� 両鐃緒申鐃緒申鐃粛わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃暑こ鐃夙で￥申CPU鐃緒申鐃緒申鐃夙わ申鐃出わ申鐃緒申妊鐃緒申鐃緒申鐃�I/O鐃塾緒申鐃緒申鐃緒申鐃緒申鐃術刻申鐃緒申鐃緒申鐃暑こ鐃夙わ申鐃叔わ申鐃殉わ申鐃緒申鐃緒申鐃緒申砲弔鐃緒申討蓮鐃緒申鐃述のパワ申瓠種申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃�

鐃緒申鐃緒申的鐃叔ワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃瞬わ申鐃出わ申鐃緒申鐃緒申鐃緒申爛�申鐃緒申鐃緒申鐃緒申鐃緒申名鐃�4鐃緒申鐃緒申犲￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃所か鐃淑わ申鐃緒申鐃叔わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申磴わ申妊侫鐃緒申鐃夙￥申4.0鐃祝わ申鐃緒申鐃術わ申鐃緒申泙鐃緒申鐃緒申箸鐃緒申鐃緒申里魯鐃緒申鐃叔ッワ申鐃緒申鐃塾つわ申鐃緒申鐃宿み種申鐃塾よう鐃淑デワ申鐃緒申鐃緒申鐃緒申鐃出わ申鐃緒申鐃緒申鐃緒申爛�申鐃緒申鐃緒申鐃緒申里曚箸鐃宿はワ申鐃緒申奪鐃緒申鐃祝わ申鐃緒申鐃緒申鐃緒申蠅居申鐃暑か鐃緒申任鐃緒申鐃緒申妊侫鐃緒申鐃緒申鐃粛わ申鐃準次鐃緒申鐃緒申40鐃緒申鐃駿わ申鐃夙ワ申妊覯緒申鐃緒申鐃緒申鐃緒申鐃緒申爛�申鐃緒申鐃緒申鐃緒申嚢佑鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申90鐃緒申離鐃緒申鐃緒申鐃緒申匹濆鐃緒申澆鐃緒申鐃緒申鐃獣ワ申鐃緒申抜鐃緒申圓鐃緒申鐃暑か鐃緒申任鐃緒申鐃�

鐃緒申鐃緒申鐃駿わ申鐃出わ申鐃緒申90鐃緒申離鐃緒申鐃獣ワ申鐃緒申率鐃熟醐申鐃獣わ申鐃緒申鐃緒申反鐃緒申鐃緒申鐃塾でわ申鐃緒申弌鐃緒申鐃緒申鐃緒申犁㍼申鐃緒申鐃緒申鐃緒申匹濆鐃緒申澆離鐃緒申鐃緒申箸鐃緒申鐃緒申匹鐃夙随申任鐃緒申襪随申鐃� random_page_cost 鐃緒申鐃緒申鐃獣わ申鐃緒申鐃暑こ鐃夙わ申鐃叔わ申鐃殉わ申鐃緒申鐃出縁申的鐃祝￥申鐃叔￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃祝ワ申鐃緒申奪鐃緒申紊居申鐃銃わ申鐃緒申隼廚鐃緒申鐃塾でわ申鐃緒申弌鐃�random_page_cost 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申襪鰹申箸鐃重�申擇任鐃緒申鐃緒申磴�申弌鐃緒申如鐃緒申鐃緒申戞鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申丱鐃緒申鐃緒申蠑�申鐃緒申鐃緒申鐃緒申覆匹任鐃緒申鐃� 鐃純え鐃緒申半導鐃塾ドライ鐃瞬のよう鐃淑￥申鐃準次鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃出わ申鐃銃居申鐃緒申鐃緒申鐃瞬わ申鐃純い鐃緒申鐃緒申鐃緒申鐃宿み刻申鐃淳ワ申鐃緒申鐃夙の常申隋�random_page_cost 鐃緒申鐃出わ申鐃緒申鐃緒申磴わ申佑離鐃叔ル化鐃盾あ鐃暑か鐃盾し鐃緒申泙鐃緒申鐃�

鐃銃ワ申鐃獣ワ申: 鐃緒申鐃緒申鐃銃ワ申鐃�random_page_cost鐃緒申seq_page_cost鐃緒申鐃盾小鐃緒申鐃緒申鐃粛わ申鐃緒申鐃所し鐃処う鐃夙わ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申砲鐃淑�申鐃重�申憤鐃縮ｏ申呂鐃緒申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃叔￥申鐃緒申鐃駿￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申RAM鐃祝ワ申鐃緒申奪鐃緒申紊居申鐃緒申鐃順、同鐃緒申鐃粛わ申鐃緒申鐃所す鐃暑こ鐃夙は逸申味鐃緒申鐃緒申鐃緒申泙鐃緒申鐃� 鐃緒申鐃塾常申隋�申鐃緒申鐃縮わ申任呂覆鐃緒申據鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申个鐃緒申鐃准ナワ申謄鐃緒申鐃渋醐申澆鐃緒申覆鐃緒申鐃緒申鐃叔わ申鐃緒申鐃殉わ申鐃緒申多鐃緒申鐃緒申鐃緒申鐃緒申奪鐃緒申紊居申鐃緒申如鐃緒申鐃緒申戞鐃緒申鐃緒申任蓮鐃�CPU鐃術ワ申瓠種申鐃緒申鐃緒申个鐃緒申鐃塾常申佑鮠�鐃緒申鐃緒申鐃緒申蠅刻申戮鐃緒申任鐃緒申鐃� RAM鐃緒申鐃渋醐申澆鐃緒申鐃准￥申鐃緒申鐃塾種申鐃出わ申鐃緒申鐃緒申鐃夙わ申鐃縮常申鐃緒申發�申覆蠑�申鐃緒申鐃緒申覆襪随申鐃叔わ申鐃緒申

cpu_tuple_cost (floating point)

鐃巡い鐃緒申錣誌申屬砲鐃緒申譴常申鐃塾行の緒申鐃緒申鐃緒申鐃出わ申鐃緒申廛鐃緒申覆凌鐃渋�申鐃緒申鐃緒申蠅件申泙鐃緒申鐃緒申妊侫鐃緒申鐃夙わ申0.01鐃叔わ申鐃緒申

cpu_index_tuple_cost (floating point)

鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申屬砲鐃緒申譴常申鐃塾ワ申鐃緒申妊奪鐃緒申鐃緒申圓僚鐃緒申鐃緒申鐃緒申个鐃緒申鐃竣ワ申鐃淑の随申測鐃緒申鐃緒申鐃所し鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃�0.005鐃叔わ申鐃緒申

cpu_operator_cost (floating point)

鐃巡い鐃緒申錣誌申鐃緒申房孫圓鐃緒申鐃緒申同藥誌申劼鐃舜随申鐃塾緒申鐃緒申鐃緒申鐃緒申鐃夙わ申鐃出わ申鐃緒申廛鐃緒申覆凌鐃渋�申鐃緒申鐃緒申蠅件申泙鐃緒申鐃緒申妊侫鐃緒申鐃夙わ申0.0025鐃叔わ申鐃緒申

effective_cache_size (integer)

単鐃緒申鐃緒申笋わ申鐃緒せ鐃緒申鐃緒申鐃術でわ申鐃緒申妊鐃緒申鐃緒申鐃緒申鐃緒申鐃獣ワ申鐃緒申亮存鐃緒申鐃緒申未亡悗鐃緒申鐃竣ワ申鐃淑の常申鐃緒申鐃緒申鐃所し鐃殉わ申鐃緒申鐃緒申鐃緒申蓮鐃緒申鐃緒申鐃叔ッワ申鐃緒申鐃緒申鐃緒申僂鐃緒申襯鰹申鐃緒申反鐃緒申鐃緒申佑鐃緒申鐃緒申任箸覆鐃殉わ申鐃緒申鐃緒申鐃盾い鐃粛にわ申鐃緒申弌鐃緒申鐃所イ鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃藷が誌申鐃術わ申鐃緒申鐃処う鐃祝なり、鐃緒申蠑�申鐃緒申鐃緒申鐃緒申蠅刻申鐃出￥申鐃緒申鐃緒申鐃緒申鐃藷シワ申襯刻申鐃緒申鐃藷がわ申鐃緒申鐃術わ申鐃緒申鐃処う鐃祝なわ申泙鐃緒申鐃� 鐃緒申鐃塾パワ申瓠種申鐃緒申鐃緒申鐃緒申蠅刻申鐃緒申鐃祝は￥申PostgreSQL鐃塾駈申有鐃出ッフワ申鐃緒申PostgreSQL鐃叔￥申鐃緒申鐃春ワ申鐃緒申鐃緒申忙鐃緒申僂鐃緒申鐃暑カ鐃緒申鐃粛ワ申離妊鐃緒申鐃緒申鐃緒申鐃緒申鐃獣ワ申鐃緒申鐃緒申未鐃塾常申鐃緒申鐃緒申慮鐃緒申鐃淑わ申鐃緒申个覆鐃殉わ申鐃緒申鐃殉わ申鐃緒申鐃緒申鐃術駕申能鐃緒申鐃塾逸申鐃粛㍼申鐃緒申泙鐃緒申里如鐃緒申曚覆鐃銃￥申鐃瞬ワ申鐃緒申个鐃緒申鐃銃縁申鐃緒申房孫圓鐃緒申鐃緒申鐃巡い鐃緒申錣誌申鐃緒申鐃緒申鐃緒申鐃緒申鐃塾醐申鐃緒申討鐃緒申鐃緒申鐃緒申鐃緒申鐃� 鐃緒申鐃塾パワ申瓠種申鐃緒申蓮鐃�PostgreSQL鐃叔鰹申鐃緒申鐃緒申討鐃緒申覿ν㍼申鐃緒申鐃緒申鐃順き鐃緒申鐃祝は影駈申鐃緒申与鐃緒申鐃殉わ申鐃藷。まわ申鐃緒申鐃緒申鐃緒申鐃粛ワ申離妊鐃緒申鐃緒申鐃緒申鐃緒申鐃獣ワ申鐃緒申鐃粛緒申鵑靴鐃緒申鐃盾し鐃殉わ申鐃緒申鐃緒申鐃緒申録鐃緒申鐃緒申鐃重�申里澆濃鐃緒申僂鐃緒申鐃殉わ申鐃緒申同鐃緒申鐃祝￥申鐃緒申鐃緒申鐃銃ワ申鐃緒申笋わ申鐃緒せ鐃塾間のデワ申鐃緒申鐃緒申鐃緒申鐃緒申奪鐃緒申鐃緒申鐃塾デ￥申鐃緒申鐃塾誌申鐃緒申鐃緒申鐃緒申蠅件申討鐃緒申泙鐃緒申鐃� 鐃叔フワ申鐃緒申箸鐃�128鐃潤ガ鐃出ワ申鐃夙￥申128MB鐃祝でわ申鐃緒申

18.7.3. 鐃緒申鐃緒申的鐃巡い鐃緒申錣誌申鐃緒申廛謄鐃緒申泪鐃緒申鐃�

鐃緒申鐃緒申的鐃巡い鐃緒申錣誌申鐃緒申廛謄鐃緒申泪鐃緒申鐃緒申鐃�GEQO鐃祝はヒュー鐃所ス鐃銃ワ申鐃獣ワ申鐃緒申発鐃緒申的鐃祝醐申鐃緒申法鐃緒申鐃術わ申鐃緒申鐃巡い鐃緒申錣誌申弉鐃緒申圓覆鐃緒申藥誌申鐃祝￥申任鐃緒申鐃� 鐃縮常申里鐃緒申鐃淳つぶわ申鐃塾醐申鐃緒申鐃初算鐃緒申法鐃叔醐申鐃緒申鐃緒申鐃緒申鐃緒申鐃竣駕申鐃緒申鐃緒申鐃夙わ申鐃緒申鐃緒申鐃獣わ申鐃竣駕申鐃緒申鐃緒申鐃緒申鐃緒申箸鐃緒申鐃緒申鐃緒申鐃緒申払鐃緒申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃塾種申法鐃熟￥申多鐃緒申鐃塾ワ申譟種申鐃緒申鐃緒申鐃緒申腓刻申鐃処う鐃淑￥申複鐃緒申鐃緒申鐃巡い鐃緒申錣誌申鐃緒申个鐃緒申弉鐃緒申鐃瞬わ申攜鐃緒申鐃緒申泙鐃緒申鐃� 鐃緒申鐃旬細わ申鐃緒申53鐃緒申鐃薯参照わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃緒申

geqo (boolean)

鐃緒申鐃緒申的鐃巡い鐃緒申錣誌申鐃重�申鐃緒申鐃粛㍼申鐃緒申發件申鐃緒申鐃縮居申鐃緒申砲鐃緒申泙鐃緒申鐃緒申妊侫鐃緒申鐃夙わ申有鐃緒申鐃叔わ申鐃緒申鐃緒申鐃術誌申鐃祝わ申無鐃緒申鐃祝わ申鐃淑わ申鐃緒申鐃夙わ申鐃縮常申鐃緒申鐃緒申任鐃緒申鐃�geqo_threshold鐃術随申鐃熟￥申GEQO鐃緒申鐃緒申鐃醇す鐃暑た鐃緒申鐃所き鐃緒申戮鐃緒申鐃緒申鐃祝￥申鐃緒申鷆，鐃緒申泙鐃緒申鐃�

geqo_threshold (integer)

鐃緒申鐃淑わ申鐃夙もこ鐃緒申鐃緒申鐃緒申凌鐃緒申鐃�FROM鐃緒申鐃旬随申鐃緒申鐃巡い鐃緒申錣誌申鐃竣画す鐃緒申里飽鐃緒申鐃重�申笋わ申鐃緒せ鐃緒申適鐃緒申鐃緒申鐃緒申僂鐃緒申泙鐃緒申鐃� 鐃緒申FULL OUTER JOIN鐃緒申鐃緒申鐃緒申鐃述は￥申1鐃縦わ申FROM鐃緒申鐃旬とわ申鐃銃計誌申鐃緒申鐃暑こ鐃夙わ申鐃緒申鐃春わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃祝デフワ申鐃緒申箸鐃�12鐃叔わ申鐃緒申鐃緒申辰鐃獣縁申鐃緒申鐃巡い鐃緒申錣誌申任蓮鐃緒申名鐃塾￥申鐃緒申鐃緒申鐃銃わ申鐃緒申澆弔屬鐃緒申慮鐃緒申鐃緒申廛鐃緒申覆鐃緒申鐃術わ申鐃緒申里鐃緒申鐃緒申鐃緒申任鐃緒申鐃緒申鐃渋随申鐃緒申離董鐃緒申屮鐃緒申鐃緒申鐃緒申笋わ申鐃緒せ鐃叔は￥申鐃緒申鐃緒申澆弔屬鐃緒申慮鐃緒申鐃緒申鐃緒申鐃緒申忙鐃緒申屬鐃緒申鐃緒申鐃緒申蝓�申鐃緒申个鐃緒申仍鐃緒申鐃緒申侶弉鐃緒申孫圓鐃緒申鐃緒申鐃緒申鐃緒申鐃縦刻申鐃緒申覆鐃殉わ申鐃緒申鐃緒申鐃獣て￥申鐃巡い鐃緒申錣誌申鐃緒申腓㍼申鐃緒申鐃緒申个鐃緒申鐃渋鰹申鐃粛わ申GEQO鐃塾誌申鐃術わ申鐃緒申鐃緒申鐃緒申鐃塾わ申鐃緒申鐃緒申鐃緒申鐃緒申法鐃叔わ申鐃緒申

geqo_effort (integer)

GEQO鐃祝わ申鐃緒申鐃緒申弉鐃緒申鐃瞬わ申鐃巡い鐃緒申錣誌申弉鐃緒申鐃淑種申鐃瞬のトレー鐃宿ワ申鐃春わ申鐃緒申鐃醇し鐃殉わ申鐃緒申鐃緒申鐃緒申鐃術随申鐃緒申1鐃緒申鐃緒申10鐃殉でわ申鐃熟囲わ申鐃緒申鐃緒申鐃叔なわ申鐃緒申个覆鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃緒申佑鐃�5鐃叔わ申鐃緒申鐃粛わ申鐃順き鐃緒申鐃緒申鐃緒申函鐃緒申笋わ申鐃緒せ鐃竣駕申鐃緒申鐃緒申砲鐃緒申多鐃緒申鐃塾誌申鐃瞬わ申鐃書すわ申鐃夙になわ申泙鐃緒申鐃緒申鐃緒申鐃緒申鐃塾��申鐃緒申笋わ申鐃緒せ鐃竣画が鐃緒申鐃薯さわ申鐃緒申能鐃緒申鐃緒申鐃緒申鐃獣わ申鐃殉わ申鐃緒申

鐃渋削申geqo_effort鐃緒申直鐃旬駕申鐃緒申圓鐃緒申泙鐃緒申鵝�鐃緒申鐃緒申GEQO鐃緒申動鐃緒申鳳洞鐃緒申鐃粛随申鐃緒申鐃渋常申鐃緒申竸鐃緒申鐃緒申个鐃緒申鐃緒申妊侫鐃緒申鐃夙わ申鐃粛わ申彁鐃緒申鐃緒申襪随申鐃祝のみ誌申鐃術わ申鐃緒申泙鐃緒申憤焚鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申法鐃緒申發件申茲縁申鐃出￥申鐃緒申鐃緒申房鐃緒申箸鐃渋常申離僖鐃潤ー鐃緒申鐃緒申鐃緒申鐃緒申任鐃緒申泙鐃緒申鐃�

geqo_pool_size (integer)

GEQO鐃叔誌申鐃術わ申鐃緒申鐃竣￥申鐃緒申鐃緒申鐃縮わ申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃緒申鐃熟逸申鐃緒申的鐃緒申鐃塾件申鐃緒申慮鐃緒申凌鐃緒申任鐃緒申鐃緒申鐃緒申鐃叔わ申2鐃縦はなわ申鐃緒申个覆蕕削申鐃緒申茲�100鐃緒申鐃緒申1000鐃殉でわ申鐃粛わ申鐃緒申鐃術わ申鐃緒申泙鐃緒申鐃緒申發件申淵妊侫鐃緒申鐃夙わ申鐃緒申鐃緒申任鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃所さ鐃緒申鐃夙￥申geqo_effort鐃緒申鐃緒申鐃緒申笋わ申鐃緒せ鐃緒申鐃緒申離董鐃緒申屮鐃緒申鐃祝器申鼎鐃緒申董鐃重�申擇鐃緒申佑鐃緒申鐃緒申鬚気鐃殉わ申鐃緒申

geqo_generations (integer)

GEQO鐃叔誌申鐃術わ申鐃緒申鐃緒申鐃緒申鐃塾随申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃緒申鐃熟ワ申鐃暑ゴ鐃所ズ鐃緒申鐃夙随申鐃緒申鐃緒申任鐃緒申鐃緒申鐃緒申鐃叔わ申1鐃熟なわ申鐃緒申个覆蕕削申鐃緒申茲�申廖鐃緒申襯居申鐃緒申鐃緒申鐃銃縁申鐃緒申楼呂鐃緒申佑鐃緒申鐃緒申僂鐃緒申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃�0鐃緒申鐃緒申鐃緒申淵妊侫鐃緒申鐃夙わ申鐃緒申鐃緒申砲鐃緒申鐃夙￥申適鐃准わ申鐃粛わ申geqo_effort鐃祝器申鼎鐃緒申鐃緒申鐃緒申鬚気鐃殉わ申鐃緒申

geqo_selection_bias (floating point)

GEQO鐃叔誌申鐃術わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申个鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申个鐃熟醐申鐃塾件申鐃緒申痢憤鐃緒申鐃重�申福房鐃緒申鐃緒申鐃緒申鐃緒申任鐃緒申鐃緒申佑鐃�1.50鐃緒申鐃緒申2.00鐃叔￥申2.00鐃緒申鐃叔フワ申鐃緒申箸任鐃緒申鐃�

geqo_seed (floating point)

鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申屬砲錣随申辰董鐃�GEQO鐃緒申無鐃緒申戮離僖鐃緒申鐃緒申鐃緒申鬚垢襪随申鐃祝誌申鐃術わ申鐃緒申鐃緒申鐃緒申発鐃緒申鐃緒申僚鐃緒申鐃粛わ申鐃緒申鐃緒申僂泙鐃緒申鐃� 鐃粛わ申0鐃淑デフワ申鐃緒申函砲鐃緒申鐃�1鐃殉でわ申鐃熟囲でわ申鐃緒申鐃粛わ申鐃緒申動鐃緒申鐃緒申鐃緒申鐃獣居申鐃緒申鐃緒申鐃緒申鐃緒申僖鐃緒申僚鐃緒申鐃緒申鐃術駕申鐃緒申鐃緒申鐃緒申鐃緒申鐃曙が鐃緒申鐃縦わ申鐃獣てわ申鐃緒申鐃緒申鐃宿わ申鐃緒申鐃緒申鐃緒申螳㍼申鐃緒申鐃緒申鐃緒申離僖鐃緒申箸覆鐃緒申能鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃�

18.7.4. 鐃緒申鐃緒申他鐃塾プワ申鐃淑ワ申鐃竣ワ申鐃緒申鐃�

default_statistics_target (integer)

ALTER TABLE SET STATISTICS鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃重�申鐃緒申奪箸鐃縮居申鐃緒申董鐃緒申屮鐃緒申鐃緒申鐃出わ申鐃緒申鐃叔フワ申鐃緒申箸鐃緒申鐃緒申鐃緒申仂櫃鐃緒申鐃緒申蠅件申泙鐃緒申鐃� 鐃緒申鐃緒申腓㍼申鐃緒申佑鐃�ANALYZE鐃緒申必鐃竣なの誌申鐃瞬わ申鐃緒申鐃獣わ申鐃緒申鐃殉わ申鐃緒申鐃緒申鐃竣ワ申鐃淑わ申予測鐃緒申鐃淑種申鐃緒申鐃緒申紊居申鐃緒申泙鐃緒申鐃� 鐃叔フワ申鐃緒申箸鐃�100鐃叔わ申鐃緒申 PostgreSQL鐃緒申鐃巡い鐃緒申錣誌申廛鐃緒申覆砲鐃緒申鐃緒申鐃竣常申鐃緒申了鐃緒申鐃祝￥申亡悗鐃緒申鐃緒申鐃旬細な常申鐃緒申蓮鐃�鐃緒申14.2鐃薯参照わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃緒申

constraint_exclusion (enum)

鐃巡い鐃緒申錣誌申鐃緒申適鐃緒申鐃緒申鐃暑た鐃潤、鐃銃￥申鐃瞬ワ申鐃緒申鐃緒申鐃緒申个鐃緒申討鐃緒申笋わ申鐃緒せ鐃竣ワ申鐃淑の誌申鐃術わ申鐃緒申鐃醇し鐃殉わ申鐃緒申constraint_exclusion鐃祝居申鐃銃わ申鐃緒申鐃緒申佑蓮鐃�on鐃緒申鐃緒申鐃銃のテ￥申鐃瞬ワ申鐃緒申个鐃緒申鐃緒申鐃薯検削申鐃緒申鐃緒申法鐃�off鐃淑決し鐃緒申鐃緒申鐃緒申鮓〆鐃緒申鐃緒申覆鐃緒申法鐃緒申鐃緒申鐃緒申partition鐃淑継常申鐃緒申鐃曙た鐃述テ￥申鐃瞬ルお鐃緒申鐃�UNION ALL鐃緒申鐃巡い鐃緒申錣誌申里鐃緒申鐃緒申鐃薯検削申鐃緒申鐃緒申砲任鐃緒申鐃�partition鐃緒申鐃叔フワ申鐃緒申箸任鐃緒申鐃� 鐃術常申鐃銃￥申鐃瞬ワ申鐃淑�申笋居申譴随申董鐃緒申屮鐃緒申鐃緒申能鐃緒申鐃緒申里鐃緒申瓩件申个鐃緒申仍鐃緒申僂鐃緒申鐃殉わ申鐃緒申

鐃緒申鐃塾パワ申瓠種申鐃緒申鐃緒申鐃緒申鐃塾テ￥申鐃瞬ワ申鐃緒申个鐃緒申撞鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申廛鐃緒申覆呂鐃緒申離董鐃緒申屮鐃緒申CHECK鐃緒申鐃緒申鐃緒申笋わ申鐃緒せ鐃緒申鐃緒申鐃緒申咾鐃緒申鐃緒申鐃緒申鐃緒申矛鐃盾す鐃緒申鐃緒申離董鐃緒申屮鐃緒申鐃緒申鐃緒申鐃緒申覆鐃緒申泙鐃緒申鐃� 鐃純え鐃出以駕申鐃塾よう鐃祝なわ申泙鐃緒申鐃�

CREATE TABLE parent(key integer, ...);
CREATE TABLE child1000(check (key between 1000 and 1999)) INHERITS(parent);
CREATE TABLE child2000(check (key between 2000 and 2999)) INHERITS(parent);
...
SELECT * FROM parent WHERE key = 2400;

鐃緒申鐃緒申鐃俊緒申鐃緒申有鐃緒申鐃叔わ申鐃緒申函鐃緒申鐃緒申鐃�SELECT鐃緒申鐃緒申鐃緒申child1000鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申能鐃緒申鐃緒申紊居申鐃緒申泙鐃緒申鐃�

鐃緒申鐃緒申constraint_exclusion鐃熟デフワ申鐃緒申箸如鐃緒申董鐃緒申屮鐃術￥申鐃銃ワ申鐃緒申鐃緒申縫鵐阿鐃緒申鐃緒申鐃緒申鐃暑た鐃緒申砲茲�申鐃緒申僂鐃緒申鐃緒申鐃緒申里澆鐃粛㍼申鐃緒申任鐃緒申鐃� 鐃緒申鐃駿てのテ￥申鐃瞬ワ申鐃粛㍼申鐃緒申砲鐃緒申襪鰹申箸蓮鐃緒申弉鐃緒申鐃緒申鐃祝わ申鐃緒申鐃緒申単鐃緒申鐃緒申笋わ申鐃緒せ鐃叔わ申無鐃緒申任鐃緒申覆鐃緒申鐃緒申鐃粛常申廚淵鐃緒申鐃緒申弌鐃緒申悒奪匹鐃盾た鐃初し鐃殉わ申鐃緒申鐃術￥申鐃銃ワ申鐃緒申鐃緒申縫鵐阿鐃緒申譴随申董鐃緒申屮襪�申覆鐃緒申鐃順、鐃緒申鐃緒申鐃緒申無鐃緒申鐃祝わ申鐃緒申鐃緒申鐃緒申鐃宿わ申鐃叔わ申鐃順う鐃緒申

鐃緒申鐃緒申鐃俊緒申鐃夙テ￥申鐃瞬ワ申分鐃緒申砲弔鐃緒申討里鐃緒申覆鐃緒申鐃緒申鐃緒申鐃�鐃緒申5.9.4鐃薯参照わ申鐃緒申鐃緒申鐃緒申鐃緒申

cursor_tuple_fraction (floating point)

鐃緒申鐃緒申鐃緒申鐃緒申襯�申鐃緒申鐃緒申鐃峻の鰹申鐃塾プワ申鐃淑の醐申鐃術わ申鐃緒申鐃緒申鐃所し鐃殉わ申鐃緒申鐃叔フワ申鐃緒申箸鐃�0.1鐃叔わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申蠑�申鐃緒申鐃緒申鐃緒申鐃夙￥申鐃竣ワ申鐃淑はワ申鐃緒申鐃緒申鐃緒申鐃緒申个鐃�"鐃緒申動鐃緒申鐃渋�申砲鐃緒申鐃�"鐃竣駕申鐃緒申鐃術わ申鐃緒申茲�申砲覆蠅�申鐃緒申砲覆鐃殉わ申鐃緒申鐃緒申鐃塾常申鐃緒申鐃銃�申凌鐃緒申圓亮鐃緒申个鐃緒申蝋鐃渋�申砲覆鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃塾わ申鐃緒申个鐃緒申鐃緒申忙鐃緒申屬鐃緒申鐃緒申鐃緒申鐃処う鐃祝なわ申鐃叔緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃粛わ申鐃緒申鐃順き鐃緒申鐃緒申鐃緒申函鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃塾わ申鐃緒申蟠�器申鐃緒申鐃緒申茲�申砲覆鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃叔わ申鐃緒申1.0鐃塾常申隋�申鐃緒申鐃緒申鐃緒申鐃緒申鐃縮常申鐃緒申笋わ申鐃緒せ鐃夙まっわ申鐃緒申同鐃粛に計画さ鐃緒申泙鐃緒申鐃� 鐃縦まり、鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申里里澆鐃緒申鐃塾醐申鐃緒申譟�申鐃銃�申旅圓亮鐃緒申个鐃緒申砲鐃緒申鐃緒申鐃緒申鐃瞬は刻申慮鐃緒申鐃緒申覆鐃緒申覆鐃殉わ申鐃緒申

from_collapse_limit (integer)

鐃竣ワ申鐃淑は￥申FROM鐃所ス鐃夙わ申鐃緒申鐃塾随申鐃塾刻申鐃旬わ申蠑�申覆鐃緒申鐃縮の常申隋�申鐃緒申笋わ申鐃緒せ鐃緒申鐃縮わ申鐃巡い鐃緒申錣誌申鐃淑誌申腓件申泙鐃緒申鐃� 鐃緒申蠑�申鐃緒申鐃緒申佑老弉鐃緒申鐃瞬わ申名鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申辰鐃緒申笋わ申鐃緒せ鐃竣駕申鐃盾た鐃初す鐃緒申能鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃� 鐃叔フワ申鐃緒申箸鐃�8鐃叔わ申鐃緒申鐃旬細わ申鐃緒申14.3鐃薯参照わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃緒申

鐃緒申鐃緒申鐃粛わ申geqo_threshold鐃緒申鐃緒申鐃緒申鐃緒申幣鐃緒申鐃緒申鐃所す鐃緒申鐃�GEQO鐃竣ワ申鐃淑誌申鐃術わ申誘鐃緒申鐃夙なり、鐃緒申適鐃叔はなわ申鐃竣駕申鐃盾た鐃初し鐃殉わ申鐃緒申鐃緒申18.7.3鐃薯参照わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃緒申

join_collapse_limit (integer)

鐃叔緒申的鐃祝リス鐃夙わ申鐃緒申鐃塾刻申鐃旬随申鐃淑駕申鐃祝なわ申鐃緒申鐃緒申廛鐃緒申覆蓮鐃緒申鐃緒申鐃重�申鐃�JOIN鐃緒申文鐃緒申FULL JOIN鐃緒申鐃緒申鐃緒申砲鐃�FROM鐃緒申鐃旬のリス鐃夙わ申直鐃緒申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃粛を小わ申鐃緒申鐃緒申鐃緒申亰弉鐃緒申鐃緒申鐃緒申鐃瞬は醐申鐃緒申鐃緒申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃獣わ申鐃巡い鐃緒申錣誌申弉茲�申鐃緒申鐃緒申鐃緒申鐃緒申鐃叔緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申

鐃叔フワ申鐃緒申箸任蓮鐃緒申鐃緒申鐃緒申佑鐃�from_collapse_limit鐃緒申同鐃緒申鐃粛わ申鐃緒申鐃所さ鐃緒申討鐃緒申蝓�申悗匹両鐃緒申鐃重�申擇任鐃緒申鐃� 鐃緒申鐃緒申鐃�1鐃緒申鐃緒申鐃所す鐃緒申鐃緒申鐃緒申鐃重�申鐃�JOIN鐃塾再緒申鐃緒申佞鐃緒申蝋圓鐃緒申覆鐃緒申覆鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃獣て￥申鐃巡い鐃緒申錣誌申濃鐃緒申蠅居申譴随申鐃緒申鐃重�申鐃緒申鐃緒申鐃熟￥申鐃舜件申鐃淑ワ申譟種申鐃緒申鐃緒申砲鐃緒申鐃順さ鐃緒申鐃渋際の緒申鐃緒申箸覆鐃殉わ申鐃緒申鐃巡い鐃緒申錣誌申廛鐃緒申覆肋鐃祝削申適鐃淑件申鐃緒申鐃緒申鐃緒申鐃緒申鬚垢鐃夙は限わ申覆鐃緒申里如鐃� 鐃緒申鐃醇ー鐃緒申鐃淑わ申鐃緒申鐃重�申砲鐃緒申鐃緒申竸鐃緒申鐃�1鐃緒申鐃緒申鐃所し鐃緒申鐃緒申鐃緒申的鐃祝器申望鐃夙わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申蠅件申討鐃処い鐃叔わ申鐃順う鐃緒申鐃旬細わ申鐃緒申14.3鐃薯参照わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃緒申

鐃緒申鐃緒申鐃粛わ申geqo_threshold鐃緒申鐃緒申鐃緒申鐃緒申幣鐃緒申鐃緒申鐃所す鐃緒申鐃�GEQO鐃竣ワ申鐃淑誌申鐃術わ申誘鐃緒申鐃夙なり、鐃緒申鐃緒申鐃重�申弉鐃緒申發随申蕕件申泙鐃緒申鐃�鐃緒申18.7.3鐃薯参照わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃緒申

鐃緒申鐃塾ペ￥申鐃緒申	鐃循￥申鐃緒申	鐃緒申鐃塾ペ￥申鐃緒申
鐃緒申廛螢縁申鐃緒申鐃緒申鐃緒申	鐃緒申鐃緒申鐃緒申	鐃緒申鐃初ー鐃緒申鐃夙ワ申鐃緒申鐃緒申鐃緒申