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+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog
+ xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="
+ http://www.liquibase.org/xml/ns/dbchangelog
+ http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.10.xsd">
+
+ <changeSet author="mulk" id="1.6-1">
+ <sql>
+ CREATE FUNCTION language_regconfig(language VARCHAR)
+ RETURNS regconfig
+ AS $$
+ SELECT CASE
+ WHEN $1 = 'de' THEN 'german'
+ WHEN $1 = 'en' THEN 'english'
+ WHEN $1 = 'fr' THEN 'french'
+ ELSE 'simple'
+ END :: regconfig
+ $$ IMMUTABLE LANGUAGE SQL;
+ </sql>
+
+ <sql>
+ CREATE INDEX bookmark_texts_search_idx ON benki.bookmark_texts
+ USING GIN (to_tsvector(language_regconfig(language), title || ' ' || description));
+ </sql>
+
+ <sql>
+ CREATE INDEX lazychat_message_texts_search_idx ON benki.lazychat_message_texts
+ USING GIN (to_tsvector(language_regconfig(language), content));
+ </sql>
+ </changeSet>
+
+ <changeSet id="1.6-2" author="mulk">
+ <createProcedure procedureName="post_matches_websearch">
+ CREATE FUNCTION post_matches_websearch(
+ post_language TEXT,
+ post_text TEXT,
+ websearch_language TEXT,
+ websearch_text TEXT)
+ RETURNS BOOLEAN
+ AS $$
+ SELECT to_tsvector(language_regconfig($1), $2) @@ websearch_to_tsquery(language_regconfig($3), $4)
+ $$ LANGUAGE SQL IMMUTABLE;
+ </createProcedure>
+
+ <createProcedure procedureName="post_matches_websearch">
+ CREATE FUNCTION post_matches_websearch(
+ post_tsvector tsvector,
+ websearch_language TEXT,
+ websearch_text TEXT)
+ RETURNS BOOLEAN
+ AS $$
+ SELECT $1 @@ websearch_to_tsquery(language_regconfig($2), $3)
+ $$ LANGUAGE SQL IMMUTABLE;
+ </createProcedure>
+ </changeSet>
+
+ <changeSet id="1.6-3" author="mulk">
+ <addColumn tableName="bookmark_texts" schemaName="benki">
+ <column name="search_terms" type="tsvector"/>
+ </addColumn>
+ <sql>
+ CREATE INDEX bookmark_texts_search_terms_idx ON benki.bookmark_texts
+ USING GIN (search_terms);
+ </sql>
+
+ <addColumn tableName="lazychat_message_texts" schemaName="benki">
+ <column name="search_terms" type="tsvector"/>
+ </addColumn>
+ <sql>
+ CREATE INDEX lazychat_message_texts_search_terms_idx ON benki.lazychat_message_texts
+ USING GIN (search_terms);
+ </sql>
+
+ <addColumn tableName="post_texts" schemaName="benki">
+ <column name="search_terms" type="tsvector"/>
+ </addColumn>
+
+ <createProcedure procedureName="bookmark_search_term_update_trigger">
+ CREATE FUNCTION bookmark_search_term_update_trigger()
+ RETURNS trigger
+ AS $$
+ BEGIN
+ NEW.search_terms :=
+ setweight(to_tsvector(language_regconfig(NEW.language), coalesce(NEW.title, '')), 'A') ||
+ setweight(to_tsvector(language_regconfig(NEW.language), coalesce(NEW.description, '')), 'B');
+ RETURN NEW;
+ END
+ $$ LANGUAGE plpgsql;
+ </createProcedure>
+
+ <createProcedure procedureName="lazychat_message_search_term_update_trigger">
+ CREATE FUNCTION lazychat_message_search_term_update_trigger()
+ RETURNS trigger
+ AS $$
+ BEGIN
+ NEW.search_terms :=
+ to_tsvector(language_regconfig(NEW.language), coalesce(NEW.content,''));
+ RETURN NEW;
+ END
+ $$ LANGUAGE plpgsql;
+ </createProcedure>
+
+ <sql>
+ CREATE TRIGGER bookmark_search_term_update
+ BEFORE INSERT OR UPDATE
+ ON benki.bookmark_texts
+ FOR EACH ROW
+ EXECUTE FUNCTION
+ bookmark_search_term_update_trigger();
+ </sql>
+
+ <sql>
+ CREATE TRIGGER lazychat_message_search_term_update
+ BEFORE INSERT OR UPDATE
+ ON benki.lazychat_message_texts
+ FOR EACH ROW
+ EXECUTE FUNCTION
+ lazychat_message_search_term_update_trigger();
+ </sql>
+ </changeSet>
+
+ <changeSet id="1.6-4" author="mulk">
+ <sql>
+ UPDATE benki.bookmark_texts
+ SET search_terms =
+ setweight(to_tsvector(language_regconfig(language), coalesce(title, '')), 'A') ||
+ setweight(to_tsvector(language_regconfig(language), coalesce(description, '')), 'B');
+ </sql>
+
+ <sql>
+ UPDATE benki.lazychat_message_texts
+ SET search_terms =
+ to_tsvector(language_regconfig(language), coalesce(content,''));
+ </sql>
+ </changeSet>
+
+</databaseChangeLog>