63 lines
2.4 KiB
Python
63 lines
2.4 KiB
Python
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"""empty message
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Revision ID: 3191627ae224
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Revises: 441dca328887
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Create Date: 2023-12-18 17:08:53.142318
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"""
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# import os
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import mysql
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from spiffworkflow_backend.models.db import db, dialect_name
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# revision identifiers, used by Alembic.
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revision = '3191627ae224'
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down_revision = '441dca328887'
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branch_labels = None
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depends_on = None
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def is_mysql() -> bool:
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return dialect_name() == 'mysql'
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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# we did in fact heavily adjust this one. be careful if auto-generating.
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with op.batch_alter_table('task', schema=None) as batch_op:
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if is_mysql():
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batch_op.drop_index('guid')
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batch_op.create_index(batch_op.f('ix_task_guid'), ['guid'], unique=False)
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with op.batch_alter_table('human_task', schema=None) as batch_op:
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batch_op.add_column(sa.Column('task_guid', sa.String(length=36), nullable=True))
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batch_op.drop_constraint('human_task_ibfk_5', type_='foreignkey')
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batch_op.drop_index('ix_human_task_task_model_id')
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batch_op.create_index(batch_op.f('ix_human_task_task_guid'), ['task_guid'], unique=False)
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batch_op.create_foreign_key('human_task_ibfk_task_guid', 'task', ['task_guid'], ['guid'])
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batch_op.drop_column('task_model_id')
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with op.batch_alter_table('task', schema=None) as batch_op:
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batch_op.drop_column('id')
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batch_op.create_primary_key('guid_pk', ['guid'])
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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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with op.batch_alter_table('task', schema=None) as batch_op:
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batch_op.add_column(sa.Column('id', mysql.INTEGER(), autoincrement=True, nullable=False))
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batch_op.drop_index(batch_op.f('ix_task_guid'))
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batch_op.create_index('guid', ['guid'], unique=False)
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with op.batch_alter_table('human_task', schema=None) as batch_op:
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batch_op.add_column(sa.Column('task_model_id', mysql.INTEGER(), autoincrement=False, nullable=True))
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batch_op.drop_constraint(None, type_='foreignkey')
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batch_op.create_foreign_key('human_task_ibfk_5', 'task', ['task_model_id'], ['id'])
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batch_op.drop_index(batch_op.f('ix_human_task_task_guid'))
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batch_op.create_index('ix_human_task_task_model_id', ['task_model_id'], unique=False)
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batch_op.drop_column('task_guid')
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# ### end Alembic commands ###
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