0022459: Projeto Sul - 38364 Erro ao Ajustar Redutor de Base de Cálculo

fixes bug#22459 
dev: Wilian
qua:

git-svn-id: http://desenvolvimento.rjconsultores.com.br/repositorio/sco/BD/FlyWay/trunk@107182 d1611594-4594-4d17-8e1d-87c2c4800839

src/db/migration/V20210611_1741__Mantis22459.sql

@@ -0,0 +1,7 @@
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -01430);
+begin
+    execute immediate 'ALTER TABLE BPE MODIFY (PREDBC VARCHAR2(6))';
+    exception when column_exists then null;
+end;

src/db/postgresql/migration/V20210611_1741__Mantis22459.sql

@@ -0,0 +1,7 @@
+DO $$
+BEGIN
+  ALTER TABLE BPE ALTER COLUMN PREDBC TYPE VARCHAR(6);
+  
+  EXCEPTION WHEN duplicate_column THEN NULL;
+END 
+$$;