30 lines
757 B
Python
30 lines
757 B
Python
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"""GIST bbox indexes for events/fires map-pan queries.
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Revision ID: 010_bbox_gist
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Revises: 009_vessels
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Create Date: 2026-09-01
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"""
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from alembic import op
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revision = "010_bbox_gist"
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down_revision = "009_vessels"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.execute(
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"CREATE INDEX IF NOT EXISTS ix_events_geom_gist ON events "
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"USING gist (ST_SetSRID(ST_MakePoint(location_lon, location_lat), 4326))"
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)
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op.execute(
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"CREATE INDEX IF NOT EXISTS ix_fires_geom_gist ON fires "
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"USING gist (ST_SetSRID(ST_MakePoint(longitude, latitude), 4326))"
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)
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def downgrade() -> None:
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op.execute("DROP INDEX IF EXISTS ix_fires_geom_gist")
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op.execute("DROP INDEX IF EXISTS ix_events_geom_gist")
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