ãªã¬ãªã¬è¨èªå ¨çæã®çæã®åãããããéããã§ããããã ãªã¬ãªã¬SQLã®ä½ãæ¹ãPostgreSQLç·¨ãã¨ããäºã§PostgreSQLã«ãèªä½ã®SQLé¢æ°ãçµã¿è¾¼ãããæ¹ãç´¹ä»ãã¾ãã ç°¡åã«è¨ãã° select oreore(); select oreore(column1, column2) from table1; èªåã§å®ç¾©ããCè¨èªã®oreoreé¢æ°ãDBã«çµã¿è¾¼ãã§ä½¿ããã¨ããäºã§ãã åºå®å¤ãè¿ãé¢æ° æ©éãåºå®ã§999ãè¿ãé¢æ°ãä½ã£ã¦ã¿ã¾ãã â»ãã¼ã¸ã§ã³ã¯postgresql8.1ã§ããã¤ã³ã¹ãã¼ã«çã¯çç¥ãã¾ãã #include "postgres.h" #include "fmgr.h" PG_FUNCTION_INFO_V1(oreore); Datum oreore(PG_FUNCTION_ARGS) { // åºå®ã§999ãè¿ãã¾ã PG_RETURN_I
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