SYS-437 increase files/backups id values to BIGINT

requirements.txt

@@ -3,5 +3,5 @@ cryptography==2.3.1
 docopt==0.6.2
 PyMySQL==0.9.3
 six==1.11.0
-SQLAlchemy==1.3.6
+SQLAlchemy==1.3.7
 urllib3==1.25.3

secondshot/_version.py

@@ -1 +1 @@
-__version__ = '0.9.5'
+__version__ = '0.9.6'

secondshot/alembic/versions/ab8ec674d281_initialize_database.py

@@ -29,7 +29,7 @@ def upgrade():
     )
     op.create_table(
         'files',
-        sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+        sa.Column('id', sa.BIGINT(), autoincrement=True, nullable=False),
         sa.Column('path', sa.String(length=1023), nullable=False),
         sa.Column('filename', sa.String(length=255), nullable=False),
         sa.Column('owner', sa.String(length=48), nullable=True),
@@ -105,10 +105,10 @@ def upgrade():
                     unique=False)
     op.create_table(
         'backups',
-        sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+        sa.Column('id', sa.BIGINT(), autoincrement=True, nullable=False),
         sa.Column('saveset_id', sa.INTEGER(), nullable=False),
         sa.Column('volume_id', sa.INTEGER(), nullable=False),
-        sa.Column('file_id', sa.INTEGER(), nullable=False),
+        sa.Column('file_id', sa.BIGINT(), nullable=False),
         sa.ForeignKeyConstraint(['file_id'], [u'files.id'], ),
         sa.ForeignKeyConstraint(['saveset_id'], [u'savesets.id'],
                                 ondelete='CASCADE'),

secondshot/models.py

@@ -11,11 +11,13 @@
 from sqlalchemy import BIGINT, BOOLEAN, Column, Enum, Float, ForeignKey, \
      INTEGER, Index, String, TIMESTAMP, text, VARBINARY
 from sqlalchemy import func
+from sqlalchemy.dialects import sqlite
 from sqlalchemy.orm import relationship
 from sqlalchemy.ext.declarative import declarative_base
 
 Base = declarative_base()
 metadata = Base.metadata
+BigIntId = BIGINT().with_variant(sqlite.INTEGER(), 'sqlite')
 
 
 class ConfigTable(Base):
@@ -50,7 +52,7 @@ class File(Base):
               'uid', 'gid', unique=True),
     )
 
-    id = Column(INTEGER, primary_key=True, nullable=False, unique=True,
+    id = Column(BigIntId, primary_key=True, nullable=False, unique=True,
                 autoincrement=True)
     path = Column(String(1023), nullable=False)
     filename = Column(String(255), nullable=False)