Mark functions as PARALLEL SAFE

lib-sql/tokenizer/icu_tokenizer.sql

@@ -12,7 +12,7 @@ CREATE OR REPLACE FUNCTION token_get_name_search_tokens(info JSONB)
   RETURNS INTEGER[]
 AS $$
   SELECT (info->>'names')::INTEGER[]
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 -- Get tokens for matching the place name against others.
@@ -22,7 +22,7 @@ CREATE OR REPLACE FUNCTION token_get_name_match_tokens(info JSONB)
   RETURNS INTEGER[]
 AS $$
   SELECT (info->>'names')::INTEGER[]
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 -- Return the housenumber tokens applicable for the place.
@@ -30,7 +30,7 @@ CREATE OR REPLACE FUNCTION token_get_housenumber_search_tokens(info JSONB)
   RETURNS INTEGER[]
 AS $$
   SELECT (info->>'hnr_tokens')::INTEGER[]
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 -- Return the housenumber in the form that it can be matched during search.
@@ -38,77 +38,77 @@ CREATE OR REPLACE FUNCTION token_normalized_housenumber(info JSONB)
   RETURNS TEXT
 AS $$
   SELECT info->>'hnr';
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 CREATE OR REPLACE FUNCTION token_is_street_address(info JSONB)
   RETURNS BOOLEAN
 AS $$
   SELECT info->>'street' is not null or info->>'place' is null;
-$$ LANGUAGE SQL IMMUTABLE;
+$$ LANGUAGE SQL IMMUTABLE PARALLEL SAFE;
 
 
 CREATE OR REPLACE FUNCTION token_has_addr_street(info JSONB)
   RETURNS BOOLEAN
 AS $$
   SELECT info->>'street' is not null and info->>'street' != '{}';
-$$ LANGUAGE SQL IMMUTABLE;
+$$ LANGUAGE SQL IMMUTABLE PARALLEL SAFE;
 
 
 CREATE OR REPLACE FUNCTION token_has_addr_place(info JSONB)
   RETURNS BOOLEAN
 AS $$
   SELECT info->>'place' is not null;
-$$ LANGUAGE SQL IMMUTABLE;
+$$ LANGUAGE SQL IMMUTABLE PARALLEL SAFE;
 
 
 CREATE OR REPLACE FUNCTION token_matches_street(info JSONB, street_tokens INTEGER[])
   RETURNS BOOLEAN
 AS $$
   SELECT (info->>'street')::INTEGER[] && street_tokens
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 CREATE OR REPLACE FUNCTION token_matches_place(info JSONB, place_tokens INTEGER[])
   RETURNS BOOLEAN
 AS $$
   SELECT (info->>'place')::INTEGER[] <@ place_tokens
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 CREATE OR REPLACE FUNCTION token_addr_place_search_tokens(info JSONB)
   RETURNS INTEGER[]
 AS $$
   SELECT (info->>'place')::INTEGER[]
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 CREATE OR REPLACE FUNCTION token_get_address_keys(info JSONB)
   RETURNS SETOF TEXT
 AS $$
   SELECT * FROM jsonb_object_keys(info->'addr');
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 CREATE OR REPLACE FUNCTION token_get_address_search_tokens(info JSONB, key TEXT)
   RETURNS INTEGER[]
 AS $$
   SELECT (info->'addr'->>key)::INTEGER[];
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 CREATE OR REPLACE FUNCTION token_matches_address(info JSONB, key TEXT, tokens INTEGER[])
   RETURNS BOOLEAN
 AS $$
   SELECT (info->'addr'->>key)::INTEGER[] <@ tokens;
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 CREATE OR REPLACE FUNCTION token_get_postcode(info JSONB)
   RETURNS TEXT
 AS $$
   SELECT info->>'postcode';
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 
 -- Return token info that should be saved permanently in the database.
@@ -116,7 +116,7 @@ CREATE OR REPLACE FUNCTION token_strip_info(info JSONB)
   RETURNS JSONB
 AS $$
   SELECT NULL::JSONB;
-$$ LANGUAGE SQL IMMUTABLE STRICT;
+$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
 
 --------------- private functions ----------------------------------------------