Is3d´Â ±âÇÏ ¿ÀºêÁ§Æ®¸¦ ÃëÇØ ¿ÀºêÁ§Æ®¿¡ 3D ÁÂÇ¥°¡ ÀÖ´Â °æ¿ì 1(TRUE)À» ¸®ÅÏÇÕ´Ï´Ù. ±×·¸Áö ¾ÊÀº °æ¿ì 0(FALSE)À» ¸®ÅÏÇÕ´Ï´Ù.
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db2gse.Is3d(g db2gse.ST_Geometry)
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Integer
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´ÙÀ½ CREATE TABLE ¸í·É¹®Àº À¯Çü Á¤¼öÀÇ GID Ä÷³°ú G1 ±âÇÏ Ä÷³ÀÇ µÎ Ä÷³À» °¡Áø THREED_TEST Å×À̺íÀ» ÀÛ¼ºÇÕ´Ï´Ù.
CREATE TABLE THREED_TEST (gid smallint, g1 db2gse.ST_Geometry)
INSERT¹®Àº µÎ Á¡À» THREED_TEST Å×ÀÌºí¿¡ »ðÀÔÇÕ´Ï´Ù. ù¹øÂ° Á¡¿¡´Â Z ÁÂÇ¥°¡ µé¾î ÀÖÁö ¾ÊÀ¸³ª µÎ ¹øÂ°¿¡´Â µé¾î ÀÖ½À´Ï´Ù.
INSERT INTO THREED_TEST VALUES(1, db2gse.ST_PointFromText('point (10 10)', db2gse.coordref()..srid(0))) INSERT INTO THREED_TEST VALUES (2, db2gse.ST_PointFromText('point z (10.92 10.12 5)', db2gse.coordref()..srid(0)))
´ÙÀ½ÀÇ SELECT¹®Àº Is3d ÇÔ¼öÀÇ °á°ú¿Í ÇÔ²² GID Ä÷³ÀÇ ³»¿ëÀ» ³ª¿ÇÕ´Ï´Ù. ÇÔ¼ö´Â Z ÁÂÇ¥°¡ ¾ø´Â ù¹øÂ° Çà¿¡ ´ëÇØ¼´Â 0À» ¸®ÅÏÇϰí Z ÁÂÇ¥°¡ ÀÖ´Â µÎ ¹øÂ° Çà¿¡ ´ëÇØ¼´Â 1À» ¸®ÅÏÇÕ´Ï´Ù.
SELECT gid, db2gse.Is3d (g1) "Is it 3d?" FROM THREED_TEST
´ÙÀ½ÀÇ °á°ú ¼¼Æ®°¡ ¸®Åϵ˴ϴÙ.
gid Is it 3d? ------ ---------- 1 0 2 1