3. ã°ããŒãã«ã䜿çšããå Žåã®æ§é ã®ããªãšãŒã·ã§ã³
é åºä»ãããªãŒã®ãããªæ§é ã«ã¯ãããŸããŸãªç¹æ®ãªã±ãŒã¹ããããŸããã°ããŒãã«ãæäœãããšãã«å®çšçãªäŸ¡å€ããããã®ãèããŠã¿ãŸãããã
3.1 ç¹æ®ãªã±ãŒã¹ 1. åå²ã®ãªã XNUMX ã€ã®ããŒã
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Set ^counter = 0 ; ÑÑÑаМПвка ÑÑÑÑÑОка
Set id=$Increment(^counter) ; аÑПЌаÑМПе ОМкÑеЌеМÑОÑПваМОе
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3.2 ç¹æ®ãªã±ãŒã¹ 2. XNUMX ã€ã®é ç¹ãšå€æ°ã®æ
äžè¬ã«ãããã¯å€å žçãªããŒãšå€ã®ããŒã¹ã§ãããããŠãå€ã®ã¿ãã«ãå€ãšããŠä¿åãããšãäž»ããŒãæã€ããæ®éã®ããŒãã«ãåŸãããŸãã
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èŠããããŸããèªã¿åãæã«æååãå床åã«åå²ã§ããããã«ããã«ã¯ã次ã䜿çšã§ããŸãã
- åºåãæåã
Set ^t(id1) = "col11/col21/col31" Set ^t(id2) = "col12/col22/col32"
- åãã£ãŒã«ããæå®ã®ãã€ãæ°ãå ããå³æ Œãªã¹ããŒã ããªã¬ãŒã·ã§ãã« ããŒã¿ããŒã¹ã§è¡ãããã®ãšåãã§ãã
- å€ã®æååãäœæããç¹å¥ãªé¢æ° $LB (ãã£ãã·ã¥ã§å©çšå¯èœ)ã
Set ^t(id1) = $LB("col11", "col21", "col31") Set ^t(id2) = $LB("col12", "col22", "col32")
èå³æ·±ãããšã«ãã°ããŒãã«ã䜿çšããŠãªã¬ãŒã·ã§ãã« ããŒã¿ããŒã¹ã®ã»ã«ã³ã㪠ã€ã³ããã¯ã¹ãšåæ§ã®ããšãè¡ãã®ã¯é£ãããããŸããããã®ãããªæ§é ãã€ã³ããã¯ã¹ ã°ããŒãã«ãšåŒã³ãŸããããã€ã³ããã¯ã¹ ã°ããŒãã«ã¯ãã¡ã€ã³ ã°ããŒãã«ã®äž»ããŒã®äžéšã§ã¯ãªããã£ãŒã«ããè¿ éã«æ€çŽ¢ããããã®è£å©ããªãŒã§ããããã«å ¥åããŠäœ¿çšããã«ã¯ãè¿œå ã®ã³ãŒããèšè¿°ããå¿ èŠããããŸãã
æåã®åã«ã°ããŒãã«çŽ¢åŒãäœæããŸãããã
Set ^i("col11", id1) = 1
Set ^i("col12", id2) = 1
ããã§ãæåã®åã®æ å ±ããã°ããæ€çŽ¢ããã«ã¯ãã°ããŒãã«ãªæ å ±ã調ã¹ãå¿ èŠããããŸãã ^i ãããŠãæåã®åã®ç®çã®å€ã«å¯Ÿå¿ããäž»ã㌠(id) ãèŠã€ããŸãã
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TSTART
Set ^t(id1) = $LB("col11", "col21", "col31")
Set ^i("col11", id1) = 1
TCOMMIT
Mã§ã®ããæ¹ã®è©³çŽ°
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- æååã解æããå¿ èŠããªããããåã ã®åã®å€ã«é«éã«ã¢ã¯ã»ã¹ã§ããŸããç§ã®ãã¹ãã«ãããšã11,5 ã€ã®åã§ã¯ 2% é«éã«ãªããå€æ°ã®åã§ã¯ãã以äžé«éã«ãªããŸããã
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- ããæ確ãªã³ãŒã
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3.4 äžè¬çãªã±ãŒã¹ãæš¹æšãšç§©åºããæš¹æš
ããªãŒãšããŠè¡šçŸã§ããããŒã¿æ§é ã¯ãã°ããŒãã«ã«å®å šã«é©åããŸãã
3.4.1 ãµããªããžã§ã¯ããæã€ãªããžã§ã¯ã
ããã¯ãã°ããŒãã«ã®äŒçµ±çãªäœ¿çšã®é åã§ããå»ççŸå Žã«ã¯ãèšå€§ãªæ°ã®ç
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SQL ããŒã¿ããŒã¹ã®ããŒãã«ãæ³åããŠãã ãã: ãæ£è ã - 100 ãã£ãŒã«ãããå»åŠã - 000 ãã£ãŒã«ãããæ²»çã - 100 ãã£ãŒã«ãããå䜵çã - 000 ãã£ãŒã«ããªã©ãçã ããããã¯ããããããç¹å®ã®çš®é¡ã®æ£è (éè€ããå¯èœæ§ããããŸã!)ãæ²»çæ³ãè¬å€ãããã³ãããã®ããŒãã«éã®æ¥ç¶çšã®ããã«æ°åã®ããŒãã«ããšã«ãäœåãã®ããŒãã«ãããªãããŒã¿ããŒã¹ãäœæããããšãã§ããŸãã
ã°ããŒãã«ã¯ã空ã®åã«äœåãªãã£ã¹ã¯é åãç¡é§ã«ããããšãªããåæ£è ã®ç æŽãããŸããŸãªæ²»çæ³ãããã³è¬ã®äœçšã®æ£ç¢ºãªèª¬æãããªãŒåœ¢åŒã§äœæã§ãããããå»çã«æé©ã§ããé¢ä¿ã®å Žåã«åœãŠã¯ãŸããŸãã
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.
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巚倧ãªããŒãã«ã®ããŒã¿ ã¹ããŒãã®å€æŽ (ALTER TABLE) ã«ããªãã®æéããããããšã¯åšç¥ã®äºå®ã§ããããšãã°ãMySQL ã¯ãå€ãããŒãã«ããæ°ããããŒãã« (ãã¹ãæžã¿ã® MyISAMãInnoDB ãšã³ãžã³) ã«æ å ±ãå®å šã«ã³ããŒããããšã«ãã£ãŠãALTER TABLE ADD|DROP COLUMN ãå®è¡ããŸããããã«ãããæ°ååã®ã¬ã³ãŒããå«ã皌åäžã®ããŒã¿ããŒã¹ãæ°é±éãšã¯èšããªããŸã§ããæ°æ¥éãã³ã°ã¢ããããå¯èœæ§ããããŸãã
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äžè¬ã«ãã°ããŒãã« ããŒã¿ããŒã¹ã¯ãéå±€æ å ±ãæ ŒçŽããæ©èœãåããããã¥ã¡ã³ãæåããŒã¿ããŒã¹ã®äžçš®ã§ãããããã£ãŠãããã¥ã¡ã³ãæåã®ããŒã¿ããŒã¹ã¯ãå»çèšé²ã®ä¿åã®åéã§äžçã®ããŒã¿ããŒã¹ãšç«¶åããããšãã§ããŸãã ããããããã¯ãŸã å šãåãã§ã¯ãããŸããæ¯èŒã®ããã« MongoDB ãåãäžããŠã¿ãŸãããã ãã®ãã¡ã€ã³ã§ã¯ 次ã®çç±ã§ã°ããŒãã«ã«è² ããŸãã
- ããã¥ã¡ã³ãã®ãµã€ãºã ã¹ãã¬ãŒãžãŠãããã¯ãæå€§çŽ 16MB ã® JSON åœ¢åŒ (ããæ£ç¢ºã«ã¯ BSON) ã®ããã¹ãã§ãããã®å¶éã¯ã巚倧㪠JSON ããã¥ã¡ã³ãã JSON ããŒã¿ããŒã¹ã«ä¿åããããã£ãŒã«ãããã¢ã¯ã»ã¹ãããå Žåã«ã解æäžã« JSON ããŒã¿ããŒã¹ã®é床ãäœäžããªãããã«ããããã«ç¹å¥ã«èšããããŸããããã®ææžã«ã¯æ£è ã«é¢ãããã¹ãŠã®æ å ±ãå«ãŸããŠããå¿ èŠããããŸããæ£è èšé²ãããã«ååããã¯èª°ããç¥ã£ãŠããŸããã«ãŒãã®æ倧ãµã€ãºã 16 MB ã§ãããããMRI ãã¡ã€ã«ãX ç·ã¹ãã£ã³ããã®ä»ã®ç 究ãå«ãŸããçŸæ£ã«ãŒããæã€æ£è ã¯çŽã¡ã«çµäºããŸããã°ããŒãã«ã® XNUMX ã€ã®ãã©ã³ãã«ãã®ã¬ãã€ãããã©ãã€ãã®æ å ±ãå«ããããšãã§ããŸããååçã«ã¯ããã§çµããããããšãã§ããŸãããç§ã¯ç¶ããŸãã
- æ£è ã®ã«ã«ãå ã®æ°ããããããã£ã®æè/å€æŽ/åé€ã®æéã ãã®ãããªããŒã¿ããŒã¹ã¯ããããå šäœãã¡ã¢ãªã«èªã¿åã (ããã¯å€§éã§ã!)ãBSON ã解æããæ°ããããŒããè¿œå /å€æŽ/åé€ããã€ã³ããã¯ã¹ãæŽæ°ããBSON ã«ããã¯ããŠãã£ã¹ã¯ã«ä¿åããå¿ èŠããããŸããã°ããŒãã«ã¯ãç¹å®ã®ããããã£ã«ã¢ã¯ã»ã¹ããŠæäœããã ãã§æžã¿ãŸãã
- åã ã®ããããã£ã«ãã°ããã¢ã¯ã»ã¹ã§ããŸãã ããã¥ã¡ã³ãå ã«å€ãã®ããããã£ãããããã®ãã«ãã¬ãã«æ§é ãããå Žåãã°ããŒãã«å ã®åãã¹ã B ããªãŒã§ãããããåã ã®ããããã£ãžã®ã¢ã¯ã»ã¹ãé«éã«ãªããŸãã BSON ã§ã¯ãããã¥ã¡ã³ããç·åœ¢ã«è§£æããŠç®çã®ããããã£ãèŠã€ããå¿ èŠããããŸãã
3.3.2 é£æ³é å
é£æ³é å㯠(ãã¹ããããé åã§ãã£ãŠã) ã°ããŒãã«ã«å®å šã«é©åããŸããããšãã°ãPHP ããã®ãã®ãããªé åã¯ãæåã®å³ 3.3.1 ã«è¡šç€ºãããŸãã
$a = array(
"name" => "Vince Medvedev",
"city" => "Moscow",
"threatments" => array(
"surgeries" => array("apedicectomy", "biopsy"),
"radiation" => array("gamma", "x-rays"),
"physiotherapy" => array("knee", "shoulder")
)
);
3.3.3 éå±€åããã¥ã¡ã³ã: XMLãJSON
ã°ããŒãã«ã«ãç°¡åã«ä¿åã§ããŸããæ§ã ãªã¬ã€ã¢ãŠãã§åçŽãå¯èœã§ãã
XML
XML ã解æããŠã°ããŒãã«ã«ããæãç°¡åãªæ¹æ³ã¯ãã¿ã°å±æ§ãããŒãã«æ ŒçŽããããšã§ãããŸããã¿ã°å±æ§ã«ãã°ããã¢ã¯ã»ã¹ããå¿
èŠãããå Žåã¯ãããããå¥ã®ãã©ã³ãã«ç§»åã§ããŸãã
<note id=5>
<to>ÐаÑÑ</to>
<from>СвеÑа</from>
<heading>ÐапПЌОМаМОе</heading>
<body>ÐПзвПМО ЌМе завÑÑа!</body>
</note>
COS ã§ã¯ãããã¯æ¬¡ã®ã³ãŒãã«å¯Ÿå¿ããŸãã
Set ^xml("note")="id=5"
Set ^xml("note","to")="СаÑа"
Set ^xml("note","from")="СвеÑа"
Set ^xml("note","heading")="ÐапПЌОМаМОе"
Set ^xml("note","body")="ÐПзвПМО ЌМе завÑÑа!"
æ³šïŒ XMLãJSONãé£æ³é åã®å Žåãã°ããŒãã«ã«è¡šç€ºããããŸããŸãªæ¹æ³ãæãã€ãããšãã§ããŸãããã®å Žåãnote ã¿ã°å ã®ãµãã¿ã°ã®é åºã¯åæ ãããŸããã§ãããäžççã« ^xml ãµãã¿ã°ã¯ã¢ã«ãã¡ãããé ã«è¡šç€ºãããŸããé åºãå³å¯ã«åæ ããã«ã¯ãããšãã°æ¬¡ã®è¡šç€ºã䜿çšã§ããŸãã
JSONã
ã»ã¯ã·ã§ã³ 3.3.1 ã®æåã®å³ã¯ããã® JSON ããã¥ã¡ã³ãã®åæ ã瀺ããŠããŸãã
var document = {
"name": "Vince Medvedev",
"city": "Moscow",
"threatments": {
"surgeries": ["apedicectomy", "biopsy"],
"radiation": ["gamma", "x-rays"],
"physiotherapy": ["knee", "shoulder"]
},
};
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