Adding upstream version 15.4.upstream/15.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 68 insertions, 0 deletions

diff --git a/contrib/pg_trgm/pg_trgm--1.3--1.4.sql b/contrib/pg_trgm/pg_trgm--1.3--1.4.sql
new file mode 100644
index 0000000..64a0c21
--- /dev/null
+++ b/contrib/pg_trgm/pg_trgm--1.3--1.4.sql
@@ -0,0 +1,68 @@
+/* contrib/pg_trgm/pg_trgm--1.3--1.4.sql */
+
+-- complain if script is sourced in psql, rather than via ALTER EXTENSION
+\echo Use "ALTER EXTENSION pg_trgm UPDATE TO '1.4'" to load this file. \quit
+
+CREATE FUNCTION strict_word_similarity(text,text)
+RETURNS float4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION strict_word_similarity_op(text,text)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE PARALLEL SAFE;  -- stable because depends on pg_trgm.word_similarity_threshold
+
+CREATE FUNCTION strict_word_similarity_commutator_op(text,text)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE PARALLEL SAFE;  -- stable because depends on pg_trgm.word_similarity_threshold
+
+CREATE OPERATOR <<% (
+        LEFTARG = text,
+        RIGHTARG = text,
+        PROCEDURE = strict_word_similarity_op,
+        COMMUTATOR = '%>>',
+        RESTRICT = contsel,
+        JOIN = contjoinsel
+);
+
+CREATE OPERATOR %>> (
+        LEFTARG = text,
+        RIGHTARG = text,
+        PROCEDURE = strict_word_similarity_commutator_op,
+        COMMUTATOR = '<<%',
+        RESTRICT = contsel,
+        JOIN = contjoinsel
+);
+
+CREATE FUNCTION strict_word_similarity_dist_op(text,text)
+RETURNS float4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION strict_word_similarity_dist_commutator_op(text,text)
+RETURNS float4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR <<<-> (
+        LEFTARG = text,
+        RIGHTARG = text,
+        PROCEDURE = strict_word_similarity_dist_op,
+        COMMUTATOR = '<->>>'
+);
+
+CREATE OPERATOR <->>> (
+        LEFTARG = text,
+        RIGHTARG = text,
+        PROCEDURE = strict_word_similarity_dist_commutator_op,
+        COMMUTATOR = '<<<->'
+);
+
+ALTER OPERATOR FAMILY gist_trgm_ops USING gist ADD
+        OPERATOR        9       %>> (text, text),
+        OPERATOR        10       <->>> (text, text) FOR ORDER BY pg_catalog.float_ops;
+
+ALTER OPERATOR FAMILY gin_trgm_ops USING gin ADD
+        OPERATOR        9       %>> (text, text);