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47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
"""empty message
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Revision ID: 091deace5f08
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Revises: 6b7016f73688
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Create Date: 2020-10-02 09:29:12.932229
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.sql import text
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import sqlalchemy_utils
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from project import dbtypes
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from geoalchemy2.types import Geometry
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# revision identifiers, used by Alembic.
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revision = '091deace5f08'
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down_revision = '6b7016f73688'
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branch_labels = None
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depends_on = None
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def upgrade():
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bind = op.get_bind()
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bind.execute(text("create extension if not exists postgis;"))
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# ### commands auto generated by Alembic - please adjust! ###
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#op.drop_table('spatial_ref_sys')
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op.add_column('location', sa.Column('coordinate', Geometry(geometry_type='POINT', from_text='ST_GeomFromEWKT', name='geometry'), nullable=True))
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# ### end Alembic commands ###
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_column('location', 'coordinate')
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op.create_table('spatial_ref_sys',
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sa.Column('srid', sa.INTEGER(), autoincrement=False, nullable=False),
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sa.Column('auth_name', sa.VARCHAR(length=256), autoincrement=False, nullable=True),
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sa.Column('auth_srid', sa.INTEGER(), autoincrement=False, nullable=True),
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sa.Column('srtext', sa.VARCHAR(length=2048), autoincrement=False, nullable=True),
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sa.Column('proj4text', sa.VARCHAR(length=2048), autoincrement=False, nullable=True),
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sa.CheckConstraint('(srid > 0) AND (srid <= 998999)', name='spatial_ref_sys_srid_check'),
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sa.PrimaryKeyConstraint('srid', name='spatial_ref_sys_pkey')
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)
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# ### end Alembic commands ###
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