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ST_Y

ST_Y´Â Á¡À» ÃëÇØ ÀÌÀÇ Y ÁÂÇ¥¸¦ ¸®ÅÏÇÕ´Ï´Ù.

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db2gse.ST_Y(p db2gse.ST_Point)

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Double

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´ÙÀ½ÀÇ CREATE TABLE¹®Àº ÇàÀ» °íÀ¯ÇÏ°Ô ³ªÅ¸³»´Â GID Ä÷³°ú PT1 Á¡ Ä÷³ÀÌ ÀÖ´Â Y_TEST Å×À̺íÀ» ÀÛ¼ºÇÕ´Ï´Ù.

CREATE TABLE Y_TEST (gid integer, pt1 db2gse.ST_Point)

INSERT¹®Àº µÎ ÇàÀ» »ðÀÔÇÕ´Ï´Ù. Çϳª´Â Z ÁÂÇ¥³ª Ä¡¼ö°¡ ¾ø´Â Á¡À̰í, ´Ù¸¥ Ä÷³¿¡´Â Z ÁÂÇ¥¿Í Ä¡¼ö µÑ ¸ðµÎ ÀÖ½À´Ï´Ù.

INSERT INTO Y_TEST VALUES(1,
db2gse.ST_PointFromText('point (10.02 20.01)', db2gse.coordref()..srid(0)))
 
INSERT INTO Y_TEST VALUES(2,
db2gse.ST_PointFromText('point  zm (10.02 20.01 5.0 7.0)', 
    db2gse.coordref()..srid(0))) 

´ÙÀ½ÀÇ SELECT¹® ¹× ÇØ´ç °á°ú ¼¼Æ®¿¡¼­´Â GID Ä÷³ ¹× Á¡ÀÇ ¹èÁ¤¹Ðµµ Y ÁÂÇ¥¸¦ ³ª¿­ÇÕ´Ï´Ù.

SELECT gid, db2gse.ST_Y(pt1) "The Y coordinate" FROM Y_TEST
 
GID         The Y coordinate
----------- ------------------------
          1   +2.00100000000000E+001
          2   +2.00100000000000E+001
 
  2 record(s) selected. 


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