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2020.01.30 / 11:27

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ÃÖ±Ù ÀüÀÚÁ¤ºÎ ÇÁ·¹ÀÓ¿öÅ© 3.6.¹öÀüÀ¸·Î ±¸ÃàÁßÀÔ´Ï´Ù.

ÇØ´ç DBÀÇ Å×ÀÌºí¿¡ µî·Ï½Ã ID¸¦ MAX(Ä÷³)+1 ¹æ½ÄÀ¸·Î Á¶È¸ÇÏ¿© ID¸¦ ÁöÁ¤ÇÕ´Ï´Ù.

±×·±µ¥ context-idgen.xmlÀ» »ç¿ëÇϸé ÇØ´ç ¹æ½ÄÀ» »ç¿ëÇÏÁö ¾Ê°í id°¡ »ý¼ºÀÌ °¡´ÉÇÑ°¡¿ä??

idgenÀ» ÀÛ¼ºÇÕ´Ï´Ù.

property´Â table, talbeNameFieldName, nextIdFieldNameÀ» ÁöÁ¤ÇÏ¿© µ¹·ÁºÃ´Âµ¥

£ÓELECT nextIdFieldName FROM table WHERE talbeNameFieldName

À¸·Î Á¶È¸ ÈÄ »ý¼ºµÇ´Â°Å °°½À´Ï´Ù.

±×·¯¸é db¿¡¼­ max+1Á¶È¸ÈÄ ³Ö¾îÁÖ´Â ¹æ½Ä°ú Â÷ÀÌ°¡ ¾ø´Â°Å ¾Æ´ÑÁö ±Ã±ÝÇؼ­ ¹®Àǵ帳´Ï´Ù.

¶ÇÇÑ idGen »ùÇÃÁ» ±¸ÇÒ¼ö ÀÖÀ»±î¿ä???



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¹®ÀÇÇϽŠ³»¿ëÀº idgenerationÀÇ Table ID¸¦ È°¿ëÇÑ ¹æ½ÄÀ¸·Î id¸¦ °ü¸®ÇÏ´Â º°µµÀÇ Å×À̺íÀ» ÀÌ¿ëÇÏ¿©

ƯÁ¤ id¸¦ »ý¼ºÇÏ´Â ¹æ½ÄÀÔ´Ï´Ù.


max+1°ú À¯»çÇÑ °á°ú¸¦ º¸Àϼö ÀÖÀ¸³ª À§ ¹æ½ÄÀº ƯÁ¤ Å×À̺íÀÇ max+1ÀÌ ¾Æ´Ñ id°ü¸® Å×ÀÌºí¿¡¼­

ƯÁ¤ id¸¦ °ü¸®ÇÕ´Ï´Ù.


¶ÇÇÑ id¸¦ ¾ò±â À§ÇØ ¸Å¹ø Á¶È¸¸¦ ÇÏ´Â °ÍÀÌ ¾Æ´Ï¶ó block»çÀÌÁ ÁöÁ¤ÇÏ¿© Çѹø(transaction)¿¡ ´Ù·®ÀÇid¸¦ ÃëµæÇÒ ¼ö ÀÖÀ¸¸ç

Strategy¸¦ »ç¿ëÇÏ½Ã¸é ´Ù¾çÇÑ ÇüÅÂÀÇ id¸¦ ¸¸µé¼ö ÀÖ½À´Ï´Ù.


ID GenerationÀÇ »ó¼¼ÇÑ ³»¿ëÀº ¾Æ·¡¸¦ ÂüÁ¶ ºÎŹµå¸³´Ï´Ù.

http://www.egovframe.go.kr/wiki/doku.php?id=egovframework:rte2:fdl:id_generation


°ü·Ã »ùÇÃÀº Ç¥ÁØÇÁ·¹ÀÓ¿öÅ© °³¹ßȯ°æ¿¡¼­ example¸¦ »ý¼ºÇϽÿ© È®ÀÎ °¡´ÉÇÕ´Ï´Ù.

1. °³¹ßȯ°æ(ÀÌŬ¸³½º)½ÇÇà -> eGovframe¸Þ´º -> start -> new Web project

2. ÇÁ·ÎÁ§Æ® À̸§°ú group id¸¦ ÀÔ·ÂÈÄ Next

3. Generate Example ýũ ¹Ú½º ¼±Åà ÈÄ Finish

4. »ý¼ºµÈ »ùÇà ÇÁ·ÎÁ§Æ®¿¡¼­ src/main/resource/egovframework/spring/context-idgen.xml¿¡¼­ °ü·Ã ³»¿ë È®ÀÎ.


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[from eGovframe Portal Q&A]
- answered by portal admin.