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plsql-udf-hive.txt
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create or replace FUNCTION FN_GET_RULE_TEXT (
v_seln_actn_id NUMBER
, v_rev_lvl NUMBER
, v_start NUMBER
, v_end NUMBER
) RETURN VARCHAR2
AS
v_text VARCHAR2(32000);
v_rule_clause_no NUMBER(5) := 0;
v_rule_cond_no NUMBER(5) := 0;
v_param_fetr_cd VARCHAR2(50);
v_rec_count NUMBER(10);
v_operator VARCHAR2(10);
v_exp_val VARCHAR2(50);
BEGIN
IF ( v_rev_lvl IN ( 1,0,2) ) THEN
v_text := NULL;
FOR i IN ( SELECT rcl.rule_clause_id
FROM RULE_ACTION ra, RULE_CLAUSE rcl
WHERE ra.rule_action_id = v_seln_actn_id
AND rcl.rule_id = ra.rule_id
ORDER BY rcl.rule_clause_no )
LOOP
FOR j IN ( SELECT rc.rule_cond_id, rc.rule_cond_no
, rc.neg_i, rc.owning_cond_i, rc.cond_typ
FROM RULE_CONDITION rc
WHERE rc.rule_clause_id = i.rule_clause_id
ORDER BY rc.owning_cond_i desc, rc.neg_i, rc.rule_cond_no )
LOOP
IF ( j.owning_cond_i = 1 ) THEN
v_text := v_text || 'O' || '/ ';
IF ( j.cond_typ = 'F' ) THEN
FOR k IN ( SELECT f.fetr_no AS Token_No, f.Obsolete_I
FROM FRule_Condition_Feature fr, Feature f
WHERE fr.Rule_Cond_Id = j.Rule_Cond_Id
AND f.Fetr_Id = fr.Fetr_Id
UNION ALL
SELECT fes.feature_entity_set_name AS Token_No,fes.Obsolete_I
FROM Frule_Cond_Feature_Entity_Set fre,Feature_Entity_Set fes
WHERE fre.Rule_Cond_Id = j.Rule_Cond_Id
AND fes.Fetr_Entity_Set_Id = fre.Fetr_Entity_Set_Id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_text := v_text || '*' || k.Token_No || ',';
ELSE
v_text := v_text || k.Token_No || ',';
END IF;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-1) || CHR(10);
ELSIF ( j.cond_typ = 'M' ) THEN
FOR k IN ( SELECT m.modl_no AS Token_No, m.Obsolete_i
FROM MRule_Condition_Model mr, Model m
WHERE mr.Rule_Cond_Id = j.Rule_Cond_Id
AND m.modl_Id = mr.modl_Id
UNION ALL
SELECT mes.model_entity_set_name AS Token_No,mes.Obsolete_I
FROM Mrule_Cond_Model_Entity_Set mre, Model_Entity_Set mes
WHERE mre.Rule_Cond_Id = j.Rule_Cond_Id
AND mes.Modl_Entity_Set_Id = mre.model_entity_set_id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_text := v_text || '*' || k.Token_No || ',';
ELSE
v_text := v_text || k.Token_No || ',';
END IF;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-1) || CHR(10);
ELSIF ( j.cond_typ = 'MF' ) THEN
FOR k IN ( SELECT f.fetr_no AS Token_No, f.Obsolete_I
FROM FRule_Condition_Feature fr, Feature f
WHERE fr.Rule_Cond_Id = j.Rule_Cond_Id
AND f.Fetr_Id = fr.Fetr_Id
UNION ALL
SELECT fes.feature_entity_set_name AS Token_No,fes.Obsolete_I
FROM Frule_Cond_Feature_Entity_Set fre,Feature_Entity_Set fes
WHERE fre.Rule_Cond_Id = j.Rule_Cond_Id
AND fes.Fetr_Entity_Set_Id = fre.Fetr_Entity_Set_Id
UNION ALL
SELECT m.modl_no AS Token_No, m.Obsolete_i
FROM MRule_Condition_Model mr, Model m
WHERE mr.Rule_Cond_Id = j.Rule_Cond_Id
AND m.modl_Id = mr.modl_Id
UNION ALL
SELECT mes.model_entity_set_name AS Token_No,mes.Obsolete_I
FROM Mrule_Cond_Model_Entity_Set mre, Model_Entity_Set mes
WHERE mre.Rule_Cond_Id = j.Rule_Cond_Id
AND mes.Modl_Entity_Set_Id = mre.model_entity_set_id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_text := v_text || '*' || k.Token_No || ',';
ELSE
v_text := v_text || k.Token_No || ',';
END IF;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-1) || CHR(10);
END IF;
END IF;
IF ( j.neg_i = 0 and j.owning_cond_i = 0) THEN
IF ( v_text is NULL ) THEN
v_text := v_text || 'W' || '/ ';
ELSE IF (SUBSTR(v_text,LENGTH(v_text)-3,2) LIKE '%OR%') THEN
v_text := v_text || 'W/ ';
ELSE
v_text := v_text || '& ' || 'W/ ';
END IF;
END IF;
IF ( j.cond_typ = 'F' ) THEN
FOR k IN ( SELECT f.fetr_no AS Token_No, f.Obsolete_I
FROM FRule_Condition_Feature fr, Feature f
WHERE fr.Rule_Cond_Id = j.Rule_Cond_Id
AND f.Fetr_Id = fr.Fetr_Id
UNION ALL
SELECT fes.feature_entity_set_name AS Token_No,fes.Obsolete_I
FROM Frule_Cond_Feature_Entity_Set fre,Feature_Entity_Set fes
WHERE fre.Rule_Cond_Id = j.Rule_Cond_Id
AND fes.Fetr_Entity_Set_Id = fre.Fetr_Entity_Set_Id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_text := v_text || '*' || k.Token_No || ',';
ELSE
v_text := v_text || k.Token_No || ',';
END IF;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-1) || CHR(10);
ELSIF ( j.cond_typ = 'M' ) THEN
FOR k IN ( SELECT m.modl_no AS Token_No, m.Obsolete_i
FROM MRule_Condition_Model mr, Model m
WHERE mr.Rule_Cond_Id = j.Rule_Cond_Id
AND m.modl_Id = mr.modl_Id
UNION ALL
SELECT mes.model_entity_set_name AS Token_No,mes.Obsolete_I
FROM Mrule_Cond_Model_Entity_Set mre, Model_Entity_Set mes
WHERE mre.Rule_Cond_Id = j.Rule_Cond_Id
AND mes.Modl_Entity_Set_Id = mre.model_entity_set_id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_text := v_text || '*' || k.Token_No || ',';
ELSE
v_text := v_text || k.Token_No || ',';
END IF;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-1) || CHR(10);
ELSIF ( j.cond_typ = 'MF' ) THEN
FOR k IN ( SELECT f.fetr_no AS Token_No, f.Obsolete_I
FROM FRule_Condition_Feature fr, Feature f
WHERE fr.Rule_Cond_Id = j.Rule_Cond_Id
AND f.Fetr_Id = fr.Fetr_Id
UNION ALL
SELECT fes.feature_entity_set_name AS Token_No,fes.Obsolete_I
FROM Frule_Cond_Feature_Entity_Set fre,Feature_Entity_Set fes
WHERE fre.Rule_Cond_Id = j.Rule_Cond_Id
AND fes.Fetr_Entity_Set_Id = fre.Fetr_Entity_Set_Id
UNION ALL
SELECT m.modl_no AS Token_No, m.Obsolete_i
FROM MRule_Condition_Model mr, Model m
WHERE mr.Rule_Cond_Id = j.Rule_Cond_Id
AND m.modl_Id = mr.modl_Id
UNION ALL
SELECT mes.model_entity_set_name AS Token_No,mes.Obsolete_I
FROM Mrule_Cond_Model_Entity_Set mre, Model_Entity_Set mes
WHERE mre.Rule_Cond_Id = j.Rule_Cond_Id
AND mes.Modl_Entity_Set_Id = mre.model_entity_set_id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_text := v_text || '*' || k.Token_No || ',';
ELSE
v_text := v_text || k.Token_No || ',';
END IF;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-1) || CHR(10);
ELSIF ( j.cond_typ = 'P' ) THEN
FOR k IN ( SELECT pf.param_fetr_cd, pf.obsolete_i
, po.operator
FROM param_rule_condition_exp prce, parametric_feature pf
, parametric_operator po
WHERE prce.Rule_Cond_Id = j.Rule_Cond_Id
AND po.param_oper_id = prce.param_oper_id
AND pf.param_fetr_id = prce.param_fetr_id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_param_fetr_cd := '*' || k.param_fetr_cd;
ELSE
v_param_fetr_cd := k.param_fetr_cd;
END IF;
IF ( k.operator IN ('<=','<','>=','>','!=','=','THRU') ) THEN
v_operator := ' ' || k.operator || ' ';
ELSIF (k.operator = 'OR') THEN
v_operator := ' ' || ',' || ' ';
END IF;
SELECT COUNT(*)
INTO v_rec_count
FROM parametric_exp_value
WHERE Rule_Cond_Id = j.Rule_Cond_Id;
IF ( v_rec_count = 1 ) THEN
SELECT exp_val
INTO v_exp_val
FROM parametric_exp_value
WHERE Rule_Cond_Id = j.Rule_Cond_Id;
v_text := v_text || v_param_fetr_cd || ' '
|| v_operator || ' ' || v_exp_val;
v_text := v_text || CHR(10);
ELSIF ( v_rec_count = 2 ) THEN
IF ( k.operator = 'OR' ) THEN
v_text := v_text || v_param_fetr_cd
|| ' = ' ;
ELSE
v_text := v_text || v_param_fetr_cd
|| ' ' ;
END IF;
FOR l IN ( SELECT exp_val
FROM parametric_exp_value
WHERE Rule_Cond_Id = j.Rule_Cond_Id
ORDER BY exp_val_order )
LOOP
v_text := v_text || l.exp_val || v_operator;
END LOOP;
IF ( k.operator = 'OR' ) THEN
v_text := SUBSTR(v_text,1,LENGTH(v_text)-2) || CHR(10);
ELSE
v_text := SUBSTR(v_text,1,LENGTH(v_text)-5) || CHR(10);
END IF;
ELSIF ( v_rec_count >= 3 ) THEN
v_text := v_text || v_param_fetr_cd
|| ' = ' ;
FOR l IN ( SELECT exp_val
FROM parametric_exp_value
WHERE Rule_Cond_Id = j.Rule_Cond_Id )
LOOP
v_text := v_text || l.exp_val || v_operator;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-2) || CHR(10);
END IF;
END LOOP;
END IF;
END IF;
IF ( j.owning_cond_i = 0 AND j.neg_i = 1) THEN
IF ( v_text is NULL ) THEN
v_text := v_text || 'N' || '/ ';
ELSE IF (SUBSTR(v_text,LENGTH(v_text)-3,2) LIKE '%OR%') THEN
v_text := v_text || 'N/ ';
ELSE
v_text := v_text || '& ' || 'N/ ';
END IF;
END IF;
IF ( j.cond_typ = 'F' ) THEN
FOR k IN ( SELECT f.fetr_no AS Token_No, f.Obsolete_I
FROM FRule_Condition_Feature fr, Feature f
WHERE fr.Rule_Cond_Id = j.Rule_Cond_Id
AND f.Fetr_Id = fr.Fetr_Id
UNION ALL
SELECT fes.feature_entity_set_name AS Token_No,fes.Obsolete_I
FROM Frule_Cond_Feature_Entity_Set fre,Feature_Entity_Set fes
WHERE fre.Rule_Cond_Id = j.Rule_Cond_Id
AND fes.Fetr_Entity_Set_Id = fre.Fetr_Entity_Set_Id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_text := v_text || '*' || k.Token_No || ',';
ELSE
v_text := v_text || k.Token_No || ',';
END IF;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-1) || CHR(10);
ELSIF ( j.cond_typ = 'M' ) THEN
FOR k IN ( SELECT m.modl_no AS Token_No, m.Obsolete_i
FROM MRule_Condition_Model mr, Model m
WHERE mr.Rule_Cond_Id = j.Rule_Cond_Id
AND m.modl_Id = mr.modl_Id
UNION ALL
SELECT mes.model_entity_set_name AS Token_No,mes.Obsolete_I
FROM Mrule_Cond_Model_Entity_Set mre, Model_Entity_Set mes
WHERE mre.Rule_Cond_Id = j.Rule_Cond_Id
AND mes.Modl_Entity_Set_Id = mre.model_entity_set_id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_text := v_text || '*' || k.Token_No || ',';
ELSE
v_text := v_text || k.Token_No || ',';
END IF;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-1) || CHR(10);
ELSIF ( j.cond_typ = 'MF' ) THEN
FOR k IN ( SELECT f.fetr_no AS Token_No, f.Obsolete_I
FROM FRule_Condition_Feature fr, Feature f
WHERE fr.Rule_Cond_Id = j.Rule_Cond_Id
AND f.Fetr_Id = fr.Fetr_Id
UNION ALL
SELECT fes.feature_entity_set_name AS Token_No,fes.Obsolete_I
FROM Frule_Cond_Feature_Entity_Set fre,Feature_Entity_Set fes
WHERE fre.Rule_Cond_Id = j.Rule_Cond_Id
AND fes.Fetr_Entity_Set_Id = fre.Fetr_Entity_Set_Id
UNION ALL
SELECT m.modl_no AS Token_No, m.Obsolete_i
FROM MRule_Condition_Model mr, Model m
WHERE mr.Rule_Cond_Id = j.Rule_Cond_Id
AND m.modl_Id = mr.modl_Id
UNION ALL
SELECT mes.model_entity_set_name AS Token_No,mes.Obsolete_I
FROM Mrule_Cond_Model_Entity_Set mre, Model_Entity_Set mes
WHERE mre.Rule_Cond_Id = j.Rule_Cond_Id
AND mes.Modl_Entity_Set_Id = mre.model_entity_set_id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_text := v_text || '*' || k.Token_No || ',';
ELSE
v_text := v_text || k.Token_No || ',';
END IF;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-1) || CHR(10);
ELSIF ( j.cond_typ = 'P' ) THEN
FOR k IN ( SELECT pf.param_fetr_cd, pf.obsolete_i
, po.operator
FROM param_rule_condition_exp prce, parametric_feature pf
, parametric_operator po
WHERE prce.Rule_Cond_Id = j.Rule_Cond_Id
AND po.param_oper_id = prce.param_oper_id
AND pf.param_fetr_id = prce.param_fetr_id )
LOOP
IF ( k.Obsolete_I = 1 ) THEN
v_param_fetr_cd := '*' || k.param_fetr_cd;
ELSE
v_param_fetr_cd := k.param_fetr_cd;
END IF;
IF ( k.operator IN ('<=','<','>=','>','!=','=','THRU') ) THEN
v_operator := ' ' || k.operator || ' ';
ELSIF (k.operator = 'OR') THEN
v_operator := ' ' || ',' || ' ';
END IF;
SELECT COUNT(*)
INTO v_rec_count
FROM parametric_exp_value
WHERE Rule_Cond_Id = j.Rule_Cond_Id;
IF ( v_rec_count = 1 ) THEN
SELECT exp_val
INTO v_exp_val
FROM parametric_exp_value
WHERE Rule_Cond_Id = j.Rule_Cond_Id;
v_text := v_text || v_param_fetr_cd || ' '
|| v_operator || ' ' || v_exp_val;
ELSIF ( v_rec_count = 2 ) THEN
IF ( k.operator = 'OR' ) THEN
v_text := v_text || v_param_fetr_cd
|| ' = ' ;
ELSE
v_text := v_text || v_param_fetr_cd
|| ' ' ;
END IF;
FOR l IN ( SELECT exp_val
FROM parametric_exp_value
WHERE Rule_Cond_Id = j.Rule_Cond_Id
ORDER BY exp_val_order)
LOOP
v_text := v_text || l.exp_val || v_operator;
END LOOP;
IF ( k.operator = 'OR' ) THEN
v_text := SUBSTR(v_text,1,LENGTH(v_text)-2) || CHR(10);
ELSE
v_text := SUBSTR(v_text,1,LENGTH(v_text)-5) || CHR(10);
END IF;
ELSIF ( v_rec_count >= 3 ) THEN
v_text := v_text || v_param_fetr_cd
|| ' = ' ;
FOR l IN ( SELECT exp_val
FROM parametric_exp_value
WHERE Rule_Cond_Id = j.Rule_Cond_Id )
LOOP
v_text := v_text || l.exp_val || v_operator;
END LOOP;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-2) || CHR(10);
END IF;
END LOOP;
v_text := v_text || CHR(10);
END IF;
END IF;
END LOOP;
v_text := v_text || ' OR ' ||CHR(10);
END LOOP;
END IF;
v_text := SUBSTR(v_text,1,LENGTH(v_text)-5);
-- DBMS_OUTPUT.PUT_LINE('Length of Rule Text : ' || LENGTH(v_text));
RETURN SUBSTR(v_text,v_start,(v_end-v_start+1));
/*
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Length of Failed Rule Text : ' || LENGTH(SUBSTR(v_text,v_start,v_end)));
*/
END FN_GET_RULE_TEXT;