Все базы данных в одной репе

function1.sql

@@ -0,0 +1,17 @@
+create or replace function convert_to_initials(
+    p_name varchar,
+    p_surname varchar,
+    p_patronymic varchar
+) returns varchar as $$
+begin
+    if p_name is null or p_name = '' or p_surname is null or p_surname = '' then
+        return '';
+    end if;
+
+    if p_patronymic is null or p_patronymic = '' then
+        return concat(substring(p_name from 1 for 1), '. ', p_surname);
+    end if;
+
+    return concat(substring(p_patronymic from 1 for 1), '. ', substring(p_name from 1 for 1), '. ', p_surname);
+end;
+$$ language plpgsql;