59 lines
1.7 KiB
MySQL
59 lines
1.7 KiB
MySQL
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CREATE OR REPLACE FUNCTION FIND_IN_SET
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(
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piv_str1 varchar2,
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piv_str2 varchar2,
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p_sep varchar2 := ',')
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RETURN NUMBER
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IS
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l_idx number:=0;
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str varchar2(500);
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piv_str varchar2(500) := piv_str2;
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res number :=0;
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loopIndex number :=0;
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BEGIN
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IF instr(piv_str, p_sep, 1) = 0 THEN
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IF piv_str = piv_str1 THEN
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res := 1;
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END IF;
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ELSE
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LOOP
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l_idx := instr(piv_str, p_sep);
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loopIndex:=loopIndex+1;
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IF l_idx > 0 THEN
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str:= substr(piv_str, 1, l_idx-1);
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IF str = piv_str1 THEN
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res:= loopIndex;
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EXIT;
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END IF;
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piv_str := substr(piv_str, l_idx+length(p_sep));
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ELSE
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IF piv_str = piv_str1 THEN
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res:= loopIndex;
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END IF;
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EXIT;
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END IF;
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END LOOP;
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END IF;
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RETURN res;
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END FIND_IN_SET;
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--
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CREATE OR REPLACE FUNCTION "IF"(
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p_condition BOOLEAN,
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p_true_val ANYTYPE,
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p_false_val ANYTYPE
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) RETURN ANYTYPE
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AS
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BEGIN
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IF p_condition IS NULL THEN
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RAISE_APPLICATION_ERROR(-20001, '判断条件不能为NULL');
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END IF;
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IF p_condition THEN
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RETURN p_true_val;
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ELSE
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RETURN p_false_val;
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END IF;
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END;
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