Creates the type geomval if does not exist

PG12 migration #6237

client/sql/05_utils.sql

@@ -17,4 +17,17 @@ $func$ LANGUAGE plpgsql;
 -- Taken from https://stackoverflow.com/a/48013356/351721
 CREATE OR REPLACE FUNCTION cdb_dataservices_client.cdb_jsonb_array_casttext(jsonb) RETURNS text[] AS $f$
     SELECT array_agg(x) || ARRAY[]::text[] FROM jsonb_array_elements_text($1) t(x);
-$f$ LANGUAGE sql IMMUTABLE;
+$f$ LANGUAGE sql IMMUTABLE;
+
+
+-- PG12_DEPRECATED
+-- Create geomval if it doesn't exist (in postgis 3+ it only exists in postgis_raster)
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM pg_type WHERE typname = 'geomval') THEN
+        CREATE TYPE geomval AS (
+            geom geometry,
+            val double precision
+        );
+    END IF;
+END$$;