a7a72c4c7e
Feed text search used plain ILIKE, which is case- but not diacritic-insensitive, so 'tiesto' missed the many titles spelled 'Tiësto' — a search that ingested ~45 results showed only ~12. Enable the postgres unaccent extension (migration 0029) and wrap both sides of the title/ channel match in unaccent(), so 'tiesto' now matches 'Tiësto'. Applies to feed, count and facets alike.
31 lines
1.2 KiB
Python
31 lines
1.2 KiB
Python
"""accent-insensitive feed search (unaccent)
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Revision ID: 0029_unaccent_search
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Revises: 0028_live_search_provenance
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Create Date: 2026-06-29
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Enables the PostgreSQL `unaccent` contrib extension so the feed's text search can match
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regardless of diacritics — e.g. searching "tiesto" finds titles spelled "Tiësto". The feed
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query wraps both sides in unaccent(); this migration just makes the function available.
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`unaccent` ships with the official postgres image (postgresql-contrib). The DB role is a
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superuser in our deployments, so CREATE EXTENSION succeeds; IF NOT EXISTS keeps it idempotent.
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"""
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from typing import Sequence, Union
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from alembic import op
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revision: str = "0029_unaccent_search"
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down_revision: Union[str, None] = "0028_live_search_provenance"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.execute("CREATE EXTENSION IF NOT EXISTS unaccent")
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def downgrade() -> None:
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# Intentionally left in place: other code/queries may rely on unaccent() and dropping a
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# contrib extension is rarely what's wanted on a downgrade. (The feed query reverts with
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# the code, not this migration.)
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pass
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