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26 lines
999 B
Ruby
26 lines
999 B
Ruby
class CreateUnaccentFunction < ActiveRecord::Migration
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# PostgreSQL only
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def up
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execute 'CREATE EXTENSION IF NOT EXISTS unaccent;'
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execute 'CREATE EXTENSION IF NOT EXISTS pg_trgm;'
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execute "CREATE OR REPLACE FUNCTION f_unaccent(text)
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RETURNS text AS
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$func$
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SELECT public.unaccent('public.unaccent', $1)
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$func$ LANGUAGE sql IMMUTABLE;"
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execute 'CREATE INDEX profiles_lower_unaccent_first_name_trgm_idx ON profiles
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USING gin (lower(f_unaccent(first_name)) gin_trgm_ops);'
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execute 'CREATE INDEX profiles_lower_unaccent_last_name_trgm_idx ON profiles
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USING gin (lower(f_unaccent(last_name)) gin_trgm_ops);'
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end
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def down
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execute 'DROP INDEX profiles_lower_unaccent_first_name_trgm_idx;'
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execute 'DROP INDEX profiles_lower_unaccent_last_name_trgm_idx;'
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execute 'DROP FUNCTION f_unaccent(text);'
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execute 'DROP EXTENSION pg_trgm;'
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execute 'DROP EXTENSION unaccent;'
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end
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end
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