39 lines
1.5 KiB
Python
39 lines
1.5 KiB
Python
"""phase31 — device_registrations table (re-issue of phase30)
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phase30 used op.get_bind() + op.create_table() which is unreliable with
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Flask-Migrate and left the table uncreated even though alembic_version
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recorded phase30 as applied. This migration re-creates the table using
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the same raw-SQL pattern used by every other migration in this project.
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CREATE TABLE IF NOT EXISTS is idempotent — safe whether or not the table
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was partially created by the broken phase30.
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"""
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from alembic import op
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revision = 'phase31_device_registry'
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down_revision = 'phase30_device_registry'
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branch_labels = None
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depends_on = None
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def upgrade():
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op.execute("""
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CREATE TABLE IF NOT EXISTS device_registrations (
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id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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device_id VARCHAR(64) NOT NULL,
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user_id INT NOT NULL,
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device_name VARCHAR(255) NOT NULL DEFAULT '',
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app_version VARCHAR(32) NOT NULL DEFAULT '',
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ios_version VARCHAR(32) NOT NULL DEFAULT '',
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registered_at DATETIME NOT NULL,
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last_seen_at DATETIME NOT NULL,
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CONSTRAINT uq_device_id UNIQUE (device_id),
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CONSTRAINT fk_device_reg_user
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FOREIGN KEY (user_id) REFERENCES users(id)
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ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
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""")
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def downgrade():
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op.execute("DROP TABLE IF EXISTS device_registrations") |