filter for error message on duplicate column

Creating/upgrading the database will not diplay the error of a duplicate column.

Closes #261

migrations/versions/20969b4cbf06_.py

@@ -12,13 +12,19 @@
 
 from alembic import op
 import sqlalchemy as sa
+from sqlalchemy.exc import OperationalError
 
 
 def upgrade():
     try:
         op.add_column('token', sa.Column('revoked', sa.Boolean(),
                                          nullable=False,
                                          default=False))
+    except OperationalError as exx:
+        if exx.orig.message.startswith("duplicate column name"):
+            print("Good. Column revoked already exists.")
+        else:
+            print(exx)
     except Exception as exx:
         print ("Could not add column 'revoked' to table 'token'")
         print (exx)
@@ -27,6 +33,11 @@ def upgrade():
         op.add_column('token', sa.Column('locked', sa.Boolean(),
                                          nullable=False,
                                          default=False))
+    except OperationalError as exx:
+        if exx.orig.message.startswith("duplicate column name"):
+            print("Good. Column locked already exists.")
+        else:
+            print(exx)
     except Exception as exx:
         print ("Could not add column 'locked' to table 'token'")
         print (exx)

migrations/versions/2181294eed0b_.py

@@ -12,11 +12,17 @@
 
 from alembic import op
 import sqlalchemy as sa
+from sqlalchemy.exc import OperationalError
 
 
 def upgrade():
     try:
         op.add_column('policy', sa.Column('condition', sa.Integer(), nullable=False))
+    except OperationalError as exx:
+        if exx.orig.message.startswith("duplicate column name"):
+            print("Good. Column condition already exists.")
+        else:
+            print(exx)
     except Exception as exx:
         print ("Could not add column 'condition' to table 'policy'")
         print (exx)

migrations/versions/2551ee982544_.py

@@ -12,11 +12,17 @@
 
 from alembic import op
 import sqlalchemy as sa
+from sqlalchemy.exc import OperationalError
 
 
 def upgrade():
     try:
         op.add_column('tokeninfo', sa.Column('Type', sa.Unicode(length=100), nullable=True))
+    except OperationalError as exx:
+        if exx.orig.message.startswith("duplicate column name"):
+            print("Good. Column tokeninfo already exists.")
+        else:
+            print(exx)
     except Exception as exx:
         print("Could not add the column 'Type' to table tokeninfo")
         print (exx)

migrations/versions/4d9178fa8336_.py

@@ -12,13 +12,19 @@
 
 from alembic import op
 import sqlalchemy as sa
+from sqlalchemy.exc import OperationalError
 
 
 def upgrade():
     try:
         op.add_column('policy', sa.Column('adminrealm',
                                           sa.Unicode(length=256),
                                           nullable=True))
+    except OperationalError as exx:
+        if exx.orig.message.startswith("duplicate column name"):
+            print("Good. Column adminrealm already exists.")
+        else:
+            print(exx)
     except Exception as exx:
         print("Could not add the column 'adminrealm' to table policy")
         print(exx)

migrations/versions/e5cbeb7c177_.py

@@ -12,12 +12,18 @@
 
 from alembic import op
 import sqlalchemy as sa
+from sqlalchemy.exc import OperationalError
 
 
 def upgrade():
     try:
         op.add_column('resolverrealm', sa.Column('priority', sa.Integer(),
                                                  nullable=True))
+    except OperationalError as exx:
+        if exx.orig.message.startswith("duplicate column name"):
+            print("Good. Column priority already exists.")
+        else:
+            print(exx)
     except Exception as exx:
         print ("Could not add column 'priority' to table 'resolverrealm'")
         print (exx)