52.2. 鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申瓮緒申奪百愎鐃�

鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申瓮緒申奪匹鐃緒申鷆，鐃緒申覆鐃緒申鐃出なわ申覆鐃緒申鐃緒申鐃緒申鐃叔ッワ申鐃緒申鐃緒申鐃循わ申鐃緒申鐃緒申歇鐃舜随申鐃緒申焚鐃緒申房鐃緒申鐃緒申泙鐃緒申鐃�

IndexBuildResult *
ambuild (Relation heapRelation,
         Relation indexRelation,
         IndexInfo *indexInfo);

鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申曚鐃緒申泙鐃緒申鐃� 鐃緒申鐃塾ワ申鐃緒申妊奪鐃緒申鐃緒申鐃曙ー鐃緒申鐃緒申鐃淑�申鐃重�申忘鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申 鐃緒申鐃緒申蓮鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申瓮緒申奪匹鐃宿�申廚箸鐃緒申覯随申蕕�申慮鐃緒申鐃叔￥申鐃緒申鐃夙￥申鐃銃￥申鐃瞬ワ申鐃緒申亡鐃渋醐申里鐃緒申戮討離鐃緒申廛鐃緒申鐃出縁申鐃緒申鐃緒申鐃緒申椶鐃緒申颪Ⅴ鐃緒申泙鐃淑わ申鐃緒申个覆鐃殉わ申鐃緒申 鐃縮常、ambuild鐃舜随申鐃緒申IndexBuildHeapScan()鐃緒申討喀个鐃緒申鐃緒申鐃渋醐申離鐃緒申廛鐃緒申董鐃緒申屮襪�申薀刻申鐃緒申鐃藷し￥申鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申覆鐃緒申鐃出なわ申覆鐃緒申鐃緒申鐃緒申鐃竣誌申鐃緒申鐃殉わ申鐃緒申 鐃緒申鐃塾関随申鐃熟￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申妊奪鐃緒申鐃緒申亡悗鐃緒申鐃緒申鐃緒申彎鐃緒申鐃緒申泙鐃�palloc鐃緒申鐃曙た鐃緒申造鐃塾わ申鐃瞬わ申鐃淑わ申鐃緒申个覆鐃殉わ申鐃緒申

void
ambuildempty (Relation indexRelation);

鐃緒申鐃塾ワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申曚鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申蠅居申譴随申鐃曙ー鐃緒申鐃緒申鐃塾緒申鐃緒申侫鐃緒申鐃緒申鐃緒申鐃�INIT_FORKNUM鐃祝に書き出わ申鐃殉わ申鐃緒申 鐃緒申鐃塾メソ鐃獣ドはワ申鐃緒申鐃緒申鐃緒申覆鐃緒申董鐃緒申屮鐃緒申鐃出わ申鐃銃のみ呼び出わ申鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申侫鐃緒申鐃緒申鐃緒申暴颪Ⅸ个鐃緒申譴随申鐃緒申離鐃緒申鐃叔ッワ申鐃緒申鐃熟￥申鐃緒申鐃緒申鐃出の再居申動鐃緒申鐃駿に種申鐃曙ー鐃緒申鐃緒申鐃春ワ申鐃緒申鐃緒申鐃祝ワ申鐃峻￥申鐃緒申鐃緒申泙鐃緒申鐃�

bool
aminsert (Relation indexRelation,
          Datum *values,
          bool *isnull,
          ItemPointer heap_tid,
          Relation heapRelation,
          IndexUniqueCheck checkUnique);

鐃緒申存鐃塾ワ申鐃緒申妊奪鐃緒申鐃緒申某鐃緒申鐃緒申鐃緒申鐃緒申廛鐃緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申 values鐃緒申鐃緒申鐃�isnull鐃緒申鐃藷がワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃暑キ鐃緒申鐃粛わ申鐃藷供わ申鐃緒申鐃塾で￥申heap_tid鐃緒申鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申TID鐃叔わ申鐃緒申 鐃緒申鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドわ申鐃緒申佞淵鐃緒申鐃叔ッワ申鐃緒申鐃薯サポ￥申鐃夙わ申鐃緒申鐃緒申覆鐃緒申鐃�pg_am.amcanunique鐃緒申鐃緒申鐃塾常申鐃祝￥申checkUnique鐃熟実行わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃塾種申鐃緒申鮗┐鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申楼鐃緒申鐃緒申鐃緒申鐃緒申鐃駿縁申鐃叔緒申鐃緒申櫃鐃緒申砲鐃獣わ申鐃術わ申鐃殉わ申鐃緒申 項52.5鐃薯参照わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃緒申 鐃縮常ア鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドは￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃峻わ申鐃緒申鐃緒申heapRelation鐃術ワ申瓠種申鐃緒申里澆鐃宿�申廚箸鐃緒申泙鐃� (鐃緒申鐃竣ワ申鐃粛㍼申鐃緒申鐃緒申鮓‐擇鐃緒申襪随申鐃祝ヒ￥申鐃緒申鐃緒申鮓〆鐃緒申鐃緒申覆鐃緒申鐃出なわ申泙鐃緒申鐃�)鐃緒申

checkUnique鐃緒申UNIQUE_CHECK_PARTIAL鐃塾常申隋�申愎鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申侶鐃緒申鐃粛で緒申分鐃叔わ申鐃緒申 鐃緒申鐃塾常申隋�申鐃緒申侶鐃縮は随申鐃緒申鐃緒申鐃緒申鐃旬は逸申佞任鐃緒申襪鰹申箸鐃緒申鐃叔э申鐃緒申譴随申鐃緒申箸髻�鐃緒申鐃緒申鐃緒申侶鐃縮は逸申佞任覆鐃緒申鐃叔緒申鐃緒申鐃緒申鐃緒申襪鰹申鐃�(鐃駿縁申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申予鐃所し鐃淑わ申鐃緒申个覆鐃淑わ申鐃緒申鐃緒申)鐃緒申鐃縮ｏ申鐃緒申泙鐃緒申鐃� 他鐃塾常申鐃叔は￥申鐃緒申鐃緒申竜鐃緒申箸鐃緒申鐃緒申鐃縮わ申鐃巡奨鐃緒申鐃緒申泙鐃緒申鐃�

鐃緒申鐃緒申鐃塾ワ申鐃緒申妊奪鐃緒申鐃緒申任呂鐃緒申戮討離鐃緒申廛鐃薯イワ申妊奪鐃緒申鐃緒申佞鐃緒申鐃緒申覆鐃緒申鐃叔緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申 鐃緒申鐃竣ルが鐃緒申鐃緒申妊奪鐃緒申鐃緒申佞鐃緒申鐃緒申鐃淑わ申鐃緒申隋�aminsert鐃熟駕申鐃緒申圓錣削申鐃緒申鐃緒申覆鐃緒申鐃出なわ申泙鐃緒申鐃�

IndexBulkDeleteResult *
ambulkdelete (IndexVacuumInfo *info,
              IndexBulkDeleteResult *stats,
              IndexBulkDeleteCallback callback,
              void *callback_state);

鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申薀随申廛鐃緒申複鐃緒申鐃縦）わ申鐃緒申鐃緒申鐃殉わ申鐃緒申 鐃緒申鐃緒申鐃�"鐃緒申鐃緒申鐃�"鐃緒申鐃緒申圓鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申鐃叔ッワ申鐃緒申鐃緒申鐃塾をスワ申鐃緒申鵑掘鐃緒申胴鐃緒申椶鐃緒申个鐃緒申萄鐃緒申鐃緒申鐃駿わ申鐃緒申鐃宿わ申鐃緒申鐃緒申鐃緒申鐃緒申圓鐃緒申茲�申房鐃緒申鐃緒申鐃緒申鐃暑こ鐃夙わ申鐃緒申鐃所さ鐃緒申討鐃緒申泙鐃緒申鐃� 鐃熟わ申鐃緒申鐃�callback鐃舜随申鐃熟￥申callback(TID, callback_state) returns bool鐃夙わ申鐃緒申鐃緒申鐃叔￥申鐃緒申鐃緒申鐃緒申TID鐃叔種申鐃縮わ申鐃緒申襯わ申鐃叔ッワ申鐃緒申鐃緒申鐃旬わ申鐃緒申鐃緒申鐃駿わ申鐃緒申鐃宿わ申鐃緒申鐃緒申鐃所す鐃暑た鐃緒申妨討喀个鐃緒申覆鐃緒申鐃出なわ申泙鐃緒申鐃� NULL鐃殉わ申鐃緒申palloc鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申留洞鐃緒申亡悗鐃緒申鐃緒申鐃緒申彎鐃緒申鐃緒申泙犢渋わ申里鐃緒申屬鐃緒申覆鐃緒申鐃出なわ申泙鐃緒申鐃� amvacuumcleanup鐃緒申鐃熟わ申鐃淑わ申鐃緒申个覆鐃淑わ申鐃緒申鐃藷がなわ申鐃緒申弌鐃�NULL鐃緒申鐃瞬わ申鐃銃わ申鐃緒申鐃所あ鐃緒申泙鐃緒申鐃�

maintenance_work_mem鐃緒申鐃緒申鐃渋にわ申蝓�随申鐃緒申離鐃緒申廛襪�申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申ambulkdelete鐃緒申複鐃緒申鐃緒申討喀个鐃宿�申廚鐃緒申鐃緒申襪�申發件申鐃殉わ申鐃緒申 stats鐃緒申鐃緒申鐃熟￥申鐃緒申鐃塾ワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申个鐃緒申鐃緒申鐃緒申鐃塾呼び出わ申鐃緒申未任鐃緒申鐃� 鐃緒申VACUUM鐃緒申鐃祝わ申鐃緒申鐃緒申能鐃塾呼び出わ申鐃叔はわ申鐃緒申鐃�NULL鐃叔わ申鐃緒申鐃緒申 鐃緒申鐃緒申砲鐃所、鐃緒申鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドわ申鐃緒申鐃緒申鐃緒申里妨戮辰鐃緒申鐃緒申彎鐃緒申鐃緒申彁鐃緒申鐃緒申襪鰹申箸鐃緒申任鐃緒申泙鐃緒申鐃� 典鐃緒申的鐃祝￥申鐃熟わ申鐃曙たstats鐃緒申NULL鐃叔なわ申鐃緒申隋�ambulkdelete鐃緒申同鐃緒申鐃緒申造鐃塾わ申鐃術刻申鐃緒申鐃緒申鐃瞬わ申鐃殉わ申鐃緒申

IndexBulkDeleteResult *
amvacuumcleanup (IndexVacuumInfo *info,
                 IndexBulkDeleteResult *stats);

VACUUM鐃緒申鐃緒申0鐃緒申幣鐃緒申ambulkdelete鐃銃び出わ申鐃祝醐申鐃緒申鐃緒申鐃緒申鐃峻わ申鐃殉わ申鐃緒申 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竣常申鐃緒申鐃緒申屬鐃緒申幣鐃塾緒申鐃緒申鐃緒申圓鐃宿�申廚呂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鐃塾ワ申鐃緒申妊奪鐃緒申鐃緒申據鐃緒申鐃緒申硫鐃緒申鐃淑どの逸申鐃緒申鐃緒申鐃緒申鐃峻わ申鐃緒申能鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃� stats鐃熟最醐申鐃�ambulkdelete鐃銃び出わ申鐃緒申鐃瞬わ申鐃緒申鐃緒申里任鐃緒申鐃� 鐃緒申鐃緒申鐃緒申鐃宿�申廚鐃緒申鐃緒申襯随申廛襪�醐申澆鐃緒申覆鐃緒申辰鐃緒申鐃緒申鐃緒申ambulkdelete鐃緒申鐃銃び出わ申鐃緒申覆鐃緒申辰鐃緒申鐃緒申鐃�NULL鐃夙なわ申泙鐃緒申鐃� 鐃緒申未鐃�NULL鐃叔なわ申鐃緒申弌鐃�palloc鐃緒申鐃曙た鐃緒申造鐃塾でなわ申鐃緒申个覆鐃殉わ申鐃緒申 鐃殉まわ申鐃緒申鐃緒申彎鐃緒申鐃緒申pg_class鐃薯更随申鐃緒申鐃暑た鐃緒申忙鐃緒申僂鐃緒申譟�申泙鐃緒申鐃�VERBOSE鐃緒申鐃緒申鐃所さ鐃曙たVACUUM鐃祝わ申辰鐃緒申鐃署さわ申泙鐃緒申鐃� VACUUM鐃緒申鐃塾間にワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申泙辰鐃緒申鐃緒申僂鐃緒申覆鐃緒申辰鐃緒申鐃緒申鐃�NULL鐃緒申鐃瞬わ申鐃銃わ申鐃緒申鐃所あ鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃叔なわ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申彎鐃緒申鐃緒申鐃瞬わ申鐃淑わ申鐃緒申个覆鐃殉わ申鐃緒申

PostgreSQL 8.4鐃塾誌申鐃緒申鐃叔￥申amvacuumcleanup鐃緒申ANALYZE鐃緒申鐃塾器申了鐃緒申鐃緒申鐃祝わ申討喀个鐃緒申鐃殉わ申鐃緒申 鐃緒申鐃塾常申隋�stats鐃熟常申鐃�NULL鐃叔￥申鐃緒申鐃緒申佑呂泙辰鐃緒申鐃縮居申襪居申鐃殉わ申鐃緒申 鐃緒申鐃塾誌申鐃楯わ申info->analyze_only鐃薯検削申鐃緒申鐃暑こ鐃夙で種申鐃縮わ申鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドわ申鐃緒申鐃塾よう鐃淑呼び出わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申奮鐃緒申鐃緒申發件申覆鐃緒申茲�申法鐃緒申鐃緒申鐃緒申討鐃緒申鐃熟種申動鐃出ワ申鐃遵ー鐃緒申錙種申鐃緒申廛鐃緒申鐃緒申鐃緒申里澆任鐃緒申鐃処う鐃祝わ申鐃暑こ鐃夙わ申箴�申鐃緒申泙鐃緒申鐃�

bool
amcanreturn (Relation indexRelation);

IndexTuple鐃緒申鐃緒申鐃塾ワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃夙ワ申鬟ぅ鐃叔ッワ申鐃緒申鐃緒申鐃緒申鐃所さ鐃曙た鐃緒申鐃緒申佑箸鐃緒申鐃緒申屬鐃緒申鐃緒申箸砲鐃所、鐃緒申鐃塾ワ申鐃緒申妊奪鐃緒申鐃緒申鐃�鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃所ー鐃緒申鐃緒申鐃緒申鐃�鐃薯サポ￥申鐃夙わ申鐃銃わ申鐃暑か鐃宿わ申鐃緒申鐃緒申判鐃叔わ申鐃殉わ申鐃緒申 鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃所ー鐃緒申鐃緒申鐃緒申鵑�鐃緒申檗鐃緒申箸鐃緒申鐃銃わ申鐃緒申鐃緒申録鐃緒申鐃緒申屬鐃緒申譟�申鐃緒申檗鐃緒申箸鐃緒申鐃銃わ申鐃淑わ申鐃緒申鐃熟居申鐃緒申鐃瞬わ申泙鐃緒申鐃� 鐃緒申鐃緒申妊奪鐃緒申鐃緒申離鐃緒申鐃緒申鐃緒申鐃緒申瓮緒申奪匹鐃緒申鐃緒申鐃叔ッワ申鐃緒申鐃緒申鐃緒申蝓種申鐃緒申鐃緒申鐃緒申鬟汽檗鐃緒申箸鐃緒申討鐃緒申覆鐃緒申鐃緒申(鐃緒申鐃緒申鐃緒申離鐃緒申鐃叔ッワ申鐃緒申鐃熟ハッワ申鐃遵イ鐃緒申妊奪鐃緒申鐃緒申如鐃緒申鐃緒申鐃叔ッワ申鐃緒申鐃祝は醐申鐃塾デ￥申鐃緒申鐃叔はなわ申鐃熟ッワ申鐃緒申鐃粛のみわ申鐃緒申納鐃緒申鐃緒申泙鐃�)鐃緒申 pg_am鐃緒申amcanreturn鐃緒申縫鐃緒申鐃緒申鐃緒申鐃緒申奪箸鐃緒申鐃殉わ申鐃緒申

void
amcostestimate (PlannerInfo *root,
                IndexPath *path,
                double loop_count,
                Cost *indexStartupCost,
                Cost *indexTotalCost,
                Selectivity *indexSelectivity,
                double *indexCorrelation);

鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申離鐃緒申鐃緒申箸鐃緒申鐃所し鐃殉わ申鐃緒申 鐃緒申鐃塾関随申鐃祝つわ申鐃銃は醐申劼鐃�項52.6鐃緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申

bytea *
amoptions (ArrayType *reloptions,
           bool validate);

鐃緒申鐃緒申妊奪鐃緒申鐃緒申僂鐃�reloptions鐃塾駕申鐃熟と醐申鐃准わ申圓鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃�NULL鐃緒申reloptions鐃緒申鐃緒申存鐃淳わ申鐃緒申鐃緒申砲里澹討喀个鐃緒申鐃殉わ申鐃緒申 reloptions鐃熟￥申name=value鐃緒申鐃緒申鐃塾刻申鐃旬わ申鐃緒申覆襦�text鐃緒申鐃緒申鐃緒申鐃緒申任鐃緒申鐃� 鐃緒申鐃塾関随申鐃緒申bytea鐃緒申鐃緒申鐃粛わ申鐃緒申鐃緒申鐃緒申鐃淑わ申鐃緒申个覆蕕削申鐃緒申鐃緒申鐃緒申佑魯鐃緒申鐃叔ッワ申鐃緒申鐃緒申relcache鐃緒申鐃旬わ申rd_options鐃春ワ申鐃緒申鐃緒申匹縫鐃緒申圈鐃緒申鐃緒申鐃殉わ申鐃緒申 bytea鐃緒申鐃緒申鐃粛わ申鐃緒申鐃銃はワ申鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドわ申鐃夙種申鐃緒申鐃緒申鐃緒申任鐃緒申鐃処う鐃祝鰹申鐃緒申鐃緒申鐃緒申討鐃緒申泙鐃緒申鐃� 標鐃緒申離鐃緒申鐃緒申鐃緒申鐃緒申瓮緒申奪匹里曚箸鐃宿はわ申鐃駿わ申StdRdOptions鐃緒申造鐃塾わ申鐃緒申僂鐃緒申泙鐃緒申鐃� validate鐃緒申鐃緒申鐃塾常申隋�申鐃緒申蕕�申離鐃緒申廛鐃緒申鐃緒申認鐃緒申鐃叔わ申鐃淑わ申鐃獣わ申鐃緒申鐃緒申無鐃緒申鐃緒申鐃粛わ申存鐃淳わ申鐃緒申鐃緒申隋�申鐃緒申隆愎鐃緒申鐃重�申擇淵鐃緒申蕁種申鐃獣ワ申鐃緒申鐃緒申鐃緒申鐃緒申陲靴覆鐃緒申鐃出なわ申泙鐃緒申鐃� validate鐃緒申鐃緒申鐃塾常申隋￢居申鐃緒申聞鐃緒申椶鐃獣縁申鐃縮居申襪居申鐃殉わ申鐃緒申 鐃緒申鐃宿み刻申鐃淳ワ申鐃竣ワ申鐃緒申鵑�鐃緒申鐃�pg_catalog鐃祝鰹申納鐃緒申鐃緒申討鐃緒申鐃緒申鐃�validate鐃熟居申鐃叔わ申鐃緒申 鐃緒申鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドわ申鐃緒申鐃塾ワ申鐃竣ワ申鐃緒申鐃緒申僂竜鐃渋э申鐃緒申儿鐃緒申鐃緒申鐃緒申鐃緒申砲里漾鐃縮居申鐃緒申聞鐃緒申椶鐃緒申鐃緒申个鐃緒申鐃殉わ申鐃緒申 鐃緒申鐃緒申鐃銃￥申鐃緒申鐃塾常申隋�申鼎鐃緒申鐃緒申椶鐃縮居申襪刻申襪鰹申箸鐃重�申擇任鐃緒申鐃緒申鐃� 鐃叔フワ申鐃緒申箸鐃銃逸申鐃緒申圓錣誌申鐃緒申鐃緒申鐃緒申鐃�NULL鐃緒申鐃瞬わ申鐃銃わ申鐃緒申鐃所あ鐃緒申泙鐃緒申鐃�

鐃緒申鐃緒申鐃淑わ申鐃初イ鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃重�申蓮鐃緒申茲�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鵐①鐃�鐃夙呼ばわ申襦�申鐃緒申鐃叔ッワ申鐃緒申鐃緒申能鐃緒申WHERE鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃竣ワ申離鐃緒申鐃緒申鐃緒申鬟汽檗鐃緒申箸鐃緒申襪鰹申箸任鐃緒申鐃� 鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申離鐃緒申泪鐃銃ワ申鐃獣ワ申鐃緒申鐃熟醐申鐃�項52.3鐃叔わ申鐃旬わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申 鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申瓮緒申奪匹鐃�"単鐃緒申"鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申"鐃俊ットマッワ申"鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃藷、まわ申鐃熟わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鷆，鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申瓮緒申奪匹鐃緒申鷆，鐃緒申覆鐃緒申鐃出なわ申覆鐃緒申鐃緒申發件申鐃緒申鐃緒申鷆，鐃緒申鐃緒申能鐃緒申鐃塾わ申鐃暑ス鐃緒申鐃緒申鐃緒申連鐃塾関随申鐃緒申焚鐃緒申房鐃緒申鐃緒申泙鐃緒申鐃�

IndexScanDesc
ambeginscan (Relation indexRelation,
             int nkeys,
             int norderbys);

鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申 nkeys鐃緒申鐃緒申鐃�norderbys鐃術ワ申瓠種申鐃緒申蓮鐃緒申鐃緒申鐃緒申鐃緒申濃鐃緒申僂鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃初算鐃述と緒申鐃緒申佞鐃緒申藥誌申劼慮朕鐃緒申鐃宿緒申鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申鐃緒申鐃塾逸申鐃緒申鐃緒申鐃緒申討鐃緒申鐃重�申鐃緒申鐃緒申鐃緒申鐃緒申發件申鐃殉わ申鐃緒申 鐃緒申鐃緒申鐃緒申鵐①鐃緒申亮鐃緒申佑鐃緒申泙鐃緒申鷆，鐃緒申鐃銃わ申鐃淑わ申鐃緒申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 鐃緒申未鐃�palloc鐃緒申鐃緒申鐃緒申造鐃塾でなわ申鐃緒申个覆鐃殉わ申鐃緒申 鐃緒申鐃緒申鐃緒申鐃緒申鐃粛鰹申砲鐃所、鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申瓮緒申奪匹鐃�RelationGetIndexScan()鐃銃び出わ申鐃祝わ申辰討鐃緒申旅鐃渋わ申里鐃緒申鐃緒申鐃緒申鐃淑わ申鐃緒申个覆鐃殉わ申鐃緒申鐃緒申 鐃循とわ申匹両鐃順、ambeginscan鐃熟わ申鐃塾呼び出わ申鐃夙わ申鐃緒申鐃初く鐃緒申鐃獣ワ申鐃塾鰹申鐃緒申鐃緒申他鐃祝はほとわ申媛鐃緒申鐃峻わ申鐃殉わ申鐃緒申 鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃熟わ申鐃楯の駈申味鐃緒申鐃緒申鐃緒申分鐃熟￥申amrescan鐃祝わ申鐃緒申泙鐃緒申鐃�

void
amrescan (IndexScanDesc scan,
          ScanKey keys,
          int nkeys,
          ScanKey orderbys,
          int norderbys);

鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃銃逸申泙鐃緒申郎撞鐃銃逸申鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申鐃緒申鵐①鐃緒申鮨靴鐃緒申鐃緒申鐃緒申襪鰹申箸鐃叔わ申鐃殉わ申鐃緒申 鐃淑駕申鐃緒申鐃熟わ申鐃曙た鐃緒申鐃緒申鐃緒申鐃緒申僂鐃緒申萄撞鐃銃逸申鐃緒申鐃祝は￥申key鐃緒申orderbys鐃緒申鐃殉わ申鐃熟わ申鐃緒申両鐃緒申鐃緒申NULL鐃緒申鐃熟わ申鐃殉わ申鐃緒申) ambeginscan鐃緒申鐃熟わ申鐃緒申鐃緒申鐃緒申鐃初算鐃述￥申鐃緒申鐃緒申佞鐃緒申藥誌申劼慮朕鐃緒申鐃緒申多鐃緒申鐃緒申鐃緒申僂鐃緒申襪鰹申箸呂任鐃緒申覆鐃緒申鐃緒申箸鐃緒申鐃緒申佞鐃緒申討鐃緒申鐃緒申鐃緒申鐃緒申鐃� 鐃渋際には￥申鐃緒申鐃緒申匸鐃緒申襦種申弖鐃緒申砲鐃獣て随申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃竣ルが鐃緒申鐃薯され、同鐃緒申鐃緒申鐃緒申鐃緒申鵐①鐃緒申鐃渋わ申里膿鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃粛わ申必鐃竣とわ申鐃曙た鐃緒申鐃祝￥申鐃緒申鐃塾再居申動鐃緒申能鐃熟誌申鐃術わ申鐃緒申泙鐃緒申鐃�

boolean
amgettuple (IndexScanDesc scan,
            ScanDirection direction);

鐃緒申鐃所さ鐃曙た鐃緒申鐃緒申鐃緒申鐃緒申發�申鐃緒申鐃所さ鐃曙た鐃緒申鐃緒申鐃淑ワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃熟醐申鐃緒申鐃祝で種申鐃塾ワ申鐃竣ワ申鐃緒申鐃出わ申鐃殉わ申鐃緒申 鐃緒申鐃竣ワ申鐃緒申鐃出わ申鐃緒申鐃緒申鐃熟随申鐃緒申鐃瞬わ申鐃殉わ申鐃緒申 鐃緒申鐃竣わ申鐃暑タ鐃竣ルが鐃縦ってわ申鐃淑わ申鐃緒申鐃熟居申鐃緒申鐃瞬わ申鐃殉わ申鐃緒申 鐃緒申鐃塾常申隋�申鐃緒申離鐃緒申廛鐃緒申TID鐃緒申scan鐃祝鰹申納鐃緒申鐃緒申泙鐃緒申鐃� "鐃緒申鐃緒申"鐃夙は￥申単鐃祝ワ申鐃緒申妊奪鐃緒申鐃緒申縫鐃緒申鐃緒申鐃藷キ￥申鐃祝逸申鐃竣わ申鐃緒申鐃緒申椶鐃緒申鐃緒申辰鐃緒申鐃緒申箸鐃緒申味鐃緒申鐃銃わ申鐃緒申鐃緒申鐃緒申任鐃緒申鐃� 鐃緒申鐃竣ルが必鐃緒申鐃述￥申鐃緒申鐃緒申鐃渋醐申澆鐃緒申襪鰹申箸筺�申討喀个鐃緒申鐃緒申離鐃緒申淵奪廛鐃緒申鐃獣トの試験鐃緒申鐃縮過し鐃緒申鐃緒申鐃夙わ申鐃縮ｏ申鐃緒申討呂鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申鐃塾暁には￥申amgettuple鐃緒申scan->xs_recheck鐃薯真わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃所し鐃淑わ申鐃緒申个覆鐃殉わ申鐃緒申 鐃緒申鐃塾逸申味鐃熟￥申鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申椶鐃緒申亮造縫鐃緒申鐃緒申鐃藷キ￥申鐃祝逸申鐃竣わ申鐃暑こ鐃夙でわ申鐃緒申 鐃緒申鐃塾逸申味鐃熟￥申鐃緒申鐃曙が鐃塾わ申鐃淑わ申鐃夙ではなわ申鐃緒申鐃緒申鐃緒申鐃緒申鵐①鐃緒申鐃宿緒申鐃緒申鐃緒申譴随申鐃緒が鐃述￥申鐃竣ワ申鐃竣ワ申鐃緒申鐃出わ申鐃曙た鐃緒申悩童鐃緒申鐃緒申鐃緒申鐃淑わ申鐃緒申个覆鐃淑わ申鐃緒申鐃夙でわ申鐃緒申 鐃緒申鐃緒申鐃出削申鐃緒申"鐃緒申諜鐃�"鐃緒申鐃緒申妊奪鐃緒申鐃緒申藥誌申劼鬟汽檗鐃緒申箸鐃緒申泙鐃緒申鐃� 鐃銃醐申鐃緒申鐃熟ワ申鐃緒申鐃緒申鐃緒申鐃塾みに鰹申鐃緒申適鐃術わ申鐃緒申襪鰹申箸鐃緒申鐃緒申佞鐃緒申討鐃緒申鐃緒申鐃緒申鐃緒申鐃� 鐃緒申分鐃緒申鐃緒申妊奪鐃緒申鐃緒申匕鐃淑もし鐃緒申鐃緒申弌砲鐃�amgettuple鐃銃び出わ申鐃緒申鐃叔決し鐃銃再醐申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃�

鐃緒申鐃塾ワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃叔ッワ申鐃緒申鐃緒申鐃緒申蝓種申鐃緒申鐃緒申鐃緒申鬟汽檗鐃緒申箸鐃緒申討鐃緒申鐃緒申鐃�(鐃緒申鐃塾常申鐃緒申amcanreturn鐃祝わ申蠖随申鐃緒申屬鐃緒申鐃殉わ申)鐃緒申鐃緒申鐃塾ワ申鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドわ申scan->xs_want_itup鐃緒申鐃叔э申鐃緒申鐃緒申鐃緒申譴�申鐃緒申両鐃順、scan->xs_itupdesc鐃緒申鐃竣ワ申妊鐃緒申鐃緒申鐃緒申鐃竣ワ申鐃夙とわ申鐃�scan->xs_itup鐃祝鰹申納鐃緒申鐃曙たIndexTuple鐃楯ワ申鐃藷タの件申鐃緒申鐃叔ワ申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃夙ワ申鐃緒申个鐃緒申觚居申離鐃緒申鐃叔ッワ申鐃緒申鐃緒申鐃曙た鐃叔￥申鐃緒申鐃緒申鐃瞬わ申鐃緒申泙鐃緒申鐃� (鐃楯ワ申鐃藷タにわ申辰道鐃緒申箸鐃緒申鐃銃わ申鐃緒申如鐃緒申鐃緒申魯鐃緒申鐃緒申鐃緒申鐃緒申瓮緒申奪匹里鐃夙で器申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申如鐃緒申鐃緒申肋鐃緒申覆鐃緒申箸鐃�amgettuple鐃緒申amrescan鐃殉わ申鐃緒申amendscan鐃祝わ申辰謄鐃緒申鐃緒申鐃藷さわ申鐃殉でよい鐃緒申鐃瞬わ申鐃楯わ申鐃淑わ申鐃銃はなわ申泙鐃緒申鐃�)

amgettuple鐃舜随申鐃熟￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドわ申"単鐃緒申"鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鬟汽檗鐃緒申箸鐃緒申鐃夙わ申鐃塾わ申鐃藷供わ申鐃緒申鐃宿�申廚鐃緒申鐃緒申鐃殉わ申鐃緒申 鐃緒申鐃緒申鐃叔なわ申鐃緒申弌鐃�pg_am鐃峻わ申amgettuple鐃春ワ申鐃緒申鐃緒申匹魯鐃緒申鐃緒申鐃緒申鐃緒申蠅居申鐃淑わ申鐃緒申个覆鐃殉わ申鐃緒申

int64
amgetbitmap (IndexScanDesc scan,
             TIDBitmap *tbm);

鐃緒申鐃所さ鐃曙た鐃緒申鐃緒申鐃緒申鵑�鐃緒申鐃緒申討離鐃緒申廛鐃緒申鐃緒申个鐃緒申鐃緒申討喀个鐃渋�申鐃緒申鷆，鐃緒申鐃�TIDBitmap鐃祝わ申鐃緒申鐃緒申鐃春加わ申鐃殉わ申 鐃淑つまり、鐃緒申鐃祝ビットマッワ申鐃緒申砲鐃緒申觸醐申鐃夙ワ申鐃竣ワ申ID鐃塾緒申鐃緒申箸鐃�OR鐃緒申鐃緒申泙鐃緒申法鐃� 鐃緒申鐃出わ申鐃曙た鐃緒申鐃竣ワ申鐃緒申鐃緒申屬鐃緒申鐃殉わ申鐃緒申鐃純え鐃出わ申鐃緒申鐃縦わ申鐃緒申AM鐃熟緒申複鐃薯検出わ申鐃殉わ申鐃緒申里如鐃緒申鐃緒申鐃緒申単鐃淑る概鐃緒申鐃叔わ申鐃祝￥申 鐃緒申鐃竣ワ申ID鐃緒申咼奪肇泪奪廚鐃緒申鐃緒申鐃緒申鐃緒申鐃瞬￥申amgetbitmap鐃緒申鐃緒申鐃緒申離鐃緒申廛鐃�ID鐃緒申必鐃竣なワ申鐃緒申鐃緒申鐃緒申鐃塾再醐申鐃緒申鐃薯示わ申鐃緒申鐃夙わ申鐃緒申能鐃叔わ申鐃緒申 鐃緒申鐃緒申鐃�amgettuple鐃緒申xs_recheck鐃緒申鐃熟パワ申瓠種申鐃緒申鐃緒申鐃緒申鐃緒申鐃銃わ申鐃殉わ申鐃緒申 鐃緒申鐃春￥申鐃緒申鐃淳の種申鐃緒申鐃祝わ申鐃緒申鐃銃わ申鐃塾居申能鐃緒申鐃藷供はビットマップわ申鐃塾わ申里鐃緒申鐃縦逆鰹申納鐃緒申鐃藷供わ申鐃緒申里坊鐃俊つわ申鐃銃わ申鐃銃￥申鐃緒申鐃緒申鐃緒申鐃獣て呼び出わ申側鐃熟ワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申分鐃緒申鐃緒申妊奪鐃緒申鐃緒申僚鐃緒申鐃緒申鐃渋醐申澆鐃緒申鐃出）わ申童鐃緒申鐃緒申鐃叔緒申淵鐃緒申廛鐃緒申鐃出わ申鐃銃再醐申鐃緒申鐃緒申鐃殉わ申鐃緒申 鐃夙は醐申鐃獣てわ申鐃緒申鐃緒申鐃緒申鐃緒申鐃夙は限わ申泙鐃緒申鐃� amgetmulti鐃緒申鐃緒申鐃�amgettuple鐃緒申同鐃緒申鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申濃鐃緒申僂鐃緒申襪鰹申箸呂任鐃緒申泙鐃緒申鐃� 項52.3鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃縮り、amgetbitmap鐃緒申鐃緒申僂鐃緒申鐃緒申鐃祝わ申他鐃祝わ申鐃緒申鐃渋わ申鐃緒申鐃緒申泙鐃緒申鐃�

amgetbitmap鐃舜随申鐃熟ワ申鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドわ申"鐃俊ットマッワ申"鐃緒申鐃緒申妊奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鬟汽檗鐃緒申箸鐃緒申討鐃緒申鐃緒申鐃塾わ申必鐃竣でわ申鐃緒申 鐃緒申鐃緒申鐃叔なわ申鐃緒申弌鐃�pg_am鐃峻わ申鐃緒申鐃�amgetbitmap鐃春ワ申鐃緒申鐃緒申匹魯鐃緒申鐃緒申鐃緒申鐃緒申蠅居申鐃淑わ申鐃緒申个覆鐃殉わ申鐃緒申

void
amendscan (IndexScanDesc scan);

鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申澆鐃緒申鐃緒申螢緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申 scan鐃緒申造鐃塾種申鐃塾は駕申鐃緒申鐃緒申鐃駿わ申鐃叔はわ申鐃緒申泙鐃緒申鐃� 鐃緒申鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドわ申鐃緒申鐃緒申的鐃祝種申鐃曙た鐃緒申鐃獣ワ申鐃緒申團鐃熟駕申鐃緒申鐃緒申鐃淑わ申鐃緒申个覆鐃殉わ申鐃緒申

void
ammarkpos (IndexScanDesc scan);

鐃緒申鐃淳のワ申鐃緒申鐃緒申鐃緒申鐃瞬わ申録鐃緒申鐃殉わ申鐃緒申 鐃緒申鐃緒申鐃緒申鐃緒申鐃潤ソ鐃獣ドわ申1鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�1鐃縦の居申録鐃術みワ申鐃緒申鐃緒申鐃塾みをサポ￥申鐃夙わ申鐃淑わ申鐃緒申个覆鐃殉わ申鐃緒申

void
amrestrpos (IndexScanDesc scan);

鐃緒申辰箸鐃叔駈申傍鐃熟随申鐃緒申譴随申鐃緒申屬縫鐃緒申鐃緒申鐃緒申鐃緒申瓩件申泙鐃緒申鐃�

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