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+"""Add has_thumbnail to Dataset
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+
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+Revision ID: d34c125c98cc
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+Revises: 6867197a0fb9
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+Create Date: 2016-09-30 14:36:07.835761
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+
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+"""
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+
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+# revision identifiers, used by Alembic.
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+revision = 'd34c125c98cc'
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+down_revision = '6867197a0fb9'
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+
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+from alembic import op
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+import sqlalchemy as sa
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+
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+
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+def upgrade():
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+ ### commands auto generated by Alembic - please adjust! ###
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+ with op.batch_alter_table('datasets', schema=None) as batch_op:
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+ batch_op.add_column(sa.Column('has_thumbnail', sa.Boolean(), nullable=True))
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+
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+ ### end Alembic commands ###
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+
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+
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+def downgrade():
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+ ### commands auto generated by Alembic - please adjust! ###
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+ with op.batch_alter_table('datasets', schema=None) as batch_op:
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+ batch_op.drop_column('has_thumbnail')
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+
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+ ### end Alembic commands ###
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