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https://github.com/R0m1k3/Priceflow.git
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47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
"""Add performance indexes
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Revision ID: performance_indexes_v2
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Revises: 7f8e9d2a1b3c
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Create Date: 2025-11-19
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"""
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from alembic import op
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# revision identifiers, used by Alembic.
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revision = "performance_indexes_v2"
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down_revision = "7f8e9d2a1b3c"
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branch_labels = None
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depends_on = None
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def upgrade():
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# Add indexes only if they don't exist
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# Using raw SQL with IF NOT EXISTS for safety
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op.execute(
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"""
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CREATE INDEX IF NOT EXISTS ix_price_history_timestamp
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ON price_history (timestamp)
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"""
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)
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op.execute(
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"""
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CREATE INDEX IF NOT EXISTS ix_price_history_item_timestamp
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ON price_history (item_id, timestamp)
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"""
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)
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op.execute(
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"""
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CREATE INDEX IF NOT EXISTS ix_items_is_active
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ON items (is_active)
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"""
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)
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def downgrade():
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op.drop_index("ix_items_is_active", table_name="items", if_exists=True)
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op.drop_index("ix_price_history_item_timestamp", table_name="price_history", if_exists=True)
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op.drop_index("ix_price_history_timestamp", table_name="price_history", if_exists=True)
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