Increase the status field width

Increase the status field width to 16 to support words like
'ABANDONED', etc.  SQLite doesn't seem to actually care about
the width so we don't actually need to update the values.  This
is more of a formality.

Change-Id: Ie0e04ba5acc58d48020938493646e8568de2e0df

gertty/alembic/versions/56e48a4a064a_increase_status_field_width.py

@@ -0,0 +1,27 @@
+"""Increase status field width
+
+Revision ID: 56e48a4a064a
+Revises: 44402069e137
+Create Date: 2014-05-05 11:49:42.133569
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '56e48a4a064a'
+down_revision = '44402069e137'
+
+from alembic import op
+import sqlalchemy as sa
+
+from gertty.dbsupport import sqlite_alter_columns
+
+def upgrade():
+    sqlite_alter_columns('change', [
+        sa.Column('status', sa.String(16), index=True, nullable=False)
+        ])
+
+
+def downgrade():
+    sqlite_alter_columns('change', [
+        sa.Column('status', sa.String(8), index=True, nullable=False)
+        ])

gertty/db.py

@@ -44,7 +44,7 @@ change_table = Table(
     Column('subject', Text, nullable=False),
     Column('created', DateTime, index=True, nullable=False),
     Column('updated', DateTime, index=True, nullable=False),
-    Column('status', String(8), index=True, nullable=False),
+    Column('status', String(16), index=True, nullable=False),
     Column('hidden', Boolean, index=True, nullable=False),
     Column('reviewed', Boolean, index=True, nullable=False),
     )