From 65f095e8b831e02b50c775c0724bdcc926c82a85 Mon Sep 17 00:00:00 2001
From: emerson <emerson@d1611594-4594-4d17-8e1d-87c2c4800839>
Date: Tue, 24 Jul 2018 17:39:28 +0000
Subject: [PATCH] fixes bug#0011649 dev: emerson qua:
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Implementação para garantir a integridade da tabela TARIFA, podendo existir apenas um registro ativo com os seguintes valores:
TRAMO_ID, MARCA_ID, CLASESERVICIO_ID, MONEDA_ID, VIGENCIATARIFA_ID, ORGAOCONCEDENTE_ID e RUTA_ID.

git-svn-id: http://desenvolvimento.rjconsultores.com.br/repositorio/sco/BD/FlyWay/trunk@83599 d1611594-4594-4d17-8e1d-87c2c4800839
---
 .../migration/V20180724_1141__mantis11649.sql | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/db/migration/V20180724_1141__mantis11649.sql

diff --git a/src/db/migration/V20180724_1141__mantis11649.sql b/src/db/migration/V20180724_1141__mantis11649.sql
new file mode 100644
index 000000000..ae6835c24
--- /dev/null
+++ b/src/db/migration/V20180724_1141__mantis11649.sql
@@ -0,0 +1,35 @@
+declare
+itemExists number;
+instrucao varchar2(255);
+begin
+    itemExists := 0;
+
+    select count(constraint_name) into itemExists 
+    from all_constraints
+    where upper(constraint_name) = upper('TARIFA_UNICA');
+    
+    if itemExists > 0 then
+    execute immediate 'ALTER TABLE TARIFA DROP CONSTRAINT TARIFA_UNICA';
+    end if;
+    
+    
+    select 'DROP INDEX '||OWNER||'.TARIFA_UNICA' into instrucao
+    from all_indexes
+    where upper(index_name) = upper('TARIFA_UNICA');
+    
+    if instrucao is not null then
+        execute immediate instrucao;
+    end if;
+
+end;/
+
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -00001);
+begin
+    execute immediate 'CREATE UNIQUE INDEX UNQ_TARIFA ON TARIFA (CASE WHEN ACTIVO = 1 THEN 
+					TRAMO_ID || MARCA_ID || CLASESERVICIO_ID || MONEDA_ID || VIGENCIATARIFA_ID || ORGAOCONCEDENTE_ID || RUTA_ID 
+					ELSE NULL END)';
+    exception when column_exists then null;
+end;
+/