fixes bug#12717

dev:Daniel
qua:Renato

git-svn-id: http://desenvolvimento.rjconsultores.com.br/repositorio/sco/BD/FlyWay/trunk@89764 d1611594-4594-4d17-8e1d-87c2c4800839

src/db/migration/V20190211_1030__mantis12717.sql

@@ -0,0 +1,7 @@
+declare
+    object_exists exception;
+    pragma exception_init (object_exists , -01430);
+begin
+	execute immediate 'ALTER TABLE TAXPOLV ADD (HORACANCELAMENTO VARCHAR2(6 BYTE))';
+    exception when object_exists then null;
+end;

src/db/postgresql/migration/V20190211_1030__mantis12717.sql

@@ -0,0 +1,5 @@
+DO $$
+BEGIN
+  ALTER TABLE TAXPOLV ADD HORACANCELAMENTO VARCHAR(6);
+  EXCEPTION WHEN duplicate_column THEN NULL;
+$$;