This will probably be an obvious answer, but I'm struggling to figure out
how to add a partial index using an Alembic (0.5.0) revision.
from alembic import op
import sqlalchemy as sa
def upgrade():
op.create_index(
'geocoded',
'locations',
['coordinates'],
postgresql_where=locations.coordinates != Null")
def downgrade():
op.drop_index("geocoded")
Isn't working – is it valid to pass that keyword to create_index, and if
so, what string should I be passing?
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