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db2gse.ST_NumPoints(l db2gse.ST_LineString)
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Integer
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´ÙÀ½ÀÇ CREATE TABLE¹®Àº NUMPOINT_TEST Å×À̺íÀ» ÀÛ¼ºÇÕ´Ï´Ù. GEOTYPE Ä÷³¿¡´Â G1 ±âÇÏÇÐ Ä÷³¿¡ ÀúÀåµÈ ±âÇÏÇÐ À¯ÇüÀÌ µé¾î ÀÖ½À´Ï´Ù.
CREATE TABLE NUMPOINTS_TEST (geotype varchar(12), g1 db2gse.ST_Geometry)
´ÙÀ½ÀÇ INSERT¹®Àº ¼±½ºÆ®¸µÀ» »ðÀÔÇÕ´Ï´Ù.
INSERT INTO NUMPOINTS_TEST VALUES( linestring, db2gse.ST_LineFromText('linestring (10.02 20.01, 23.73 21.92)', db2gse.coordref()..srid(0)))
´ÙÀ½ÀÇ SELECT¹® ¹× ÇØ´ç °á°ú ¼¼Æ®¿¡¼´Â ±âÇÏÇÐ À¯Çü°ú °¢°¢¿¡ Æ÷ÇÔµÈ Á¡ ¼ö¸¦ ³ª¿ÇÕ´Ï´Ù.
SELECT geotype, db2gse.ST_NumPoints(g1) FROM NUMPOINTS_TEST GEOTYPE Number of points ------------ ---------------- ST_linestring 2 1 record(s) selected.