core: forward based on relations vector (#6464)

* core: forward based on relations vector wip * fix introductions * fix forwarding tests * fix forwarding inside support scope * fix deduplication test * fix more tests * plans, api * live migration wip * enable tests * member locks * api * plans * fix for postgres * fix for postgres * rename predicate * rename predicate * optimize * refactor * fix * check * move part of migration to sql * plans * core: preserve detailed information in relation vectors (#6484) * core: relations vector live migrations; stage 2 migration sql (#6472) * rework forwarding in support scope * move operations inside transactions * set_member_vector_new_relation function * read vector ad-hoc * partition in transaction * fix postgres * postgres schema * api * plans * remove comment * lock before migration computation * refactor * simplify set relations * retreive only support scope members * fix * refactor * fix comment * enable tests * 1 second * for update * locks * fix mask * plans * fix * postgres --------- Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>
2026-06-06 13:22:43 +00:00 · 2025-12-09 14:48:32 +00:00
parent 1a22a34c41
commit f76e994034
30 changed files with 1260 additions and 497 deletions
@@ -34,6 +34,41 @@ $$;



+CREATE FUNCTION test_chat_schema.migrate_relations_vector_step(state bytea, idx bigint, direction integer, intro_status text) RETURNS bytea
+    LANGUAGE plpgsql IMMUTABLE
+    AS $$
+DECLARE
+  new_len INT;
+  result BYTEA;
+  status INT;
+  byte_val INT;
+BEGIN
+  IF idx < 0 THEN
+    RETURN state;
+  END IF;
+  IF intro_status = 're-con' THEN
+    IF direction = 0 THEN status := 2; ELSE status := 3; END IF;
+  ELSIF intro_status = 'to-con' THEN
+    IF direction = 0 THEN status := 3; ELSE status := 2; END IF;
+  ELSIF intro_status = 'con' THEN
+    status := 4;
+  ELSE
+    status := 1;
+  END IF;
+  byte_val := (direction * 8) + status;
+  new_len := GREATEST(length(state), idx + 1);
+  IF new_len > length(state) THEN
+    result := state || (SELECT string_agg('\x00'::BYTEA, ''::BYTEA) FROM generate_series(1, new_len - length(state)));
+  ELSE
+    result := state;
+  END IF;
+  result := set_byte(result, idx::INT, byte_val);
+  RETURN result;
+END;
+$$;
+
+
+
 CREATE FUNCTION test_chat_schema.on_group_members_delete_update_summary() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
@@ -85,6 +120,45 @@ END;
 $$;


+
+CREATE FUNCTION test_chat_schema.set_member_vector_new_relation(v bytea, idx bigint, direction integer, status integer) RETURNS bytea
+    LANGUAGE plpgsql IMMUTABLE
+    AS $$
+DECLARE
+  new_len INT;
+  result BYTEA;
+  byte_val INT;
+  old_byte INT;
+BEGIN
+  IF idx < 0 THEN
+    RETURN v;
+  END IF;
+  IF idx < length(v) THEN
+    old_byte := get_byte(v, idx::INT);
+  ELSE
+    old_byte := 0;
+  END IF;
+  byte_val := (old_byte & x'F0'::INT) | (direction * 8) | status;
+  new_len := GREATEST(length(v), idx + 1);
+  IF new_len > length(v) THEN
+    result := v || (SELECT string_agg('\x00'::BYTEA, ''::BYTEA) FROM generate_series(1, new_len - length(v)));
+  ELSE
+    result := v;
+  END IF;
+  result := set_byte(result, idx::INT, byte_val);
+  RETURN result;
+END;
+$$;
+
+
+
+CREATE AGGREGATE test_chat_schema.migrate_relations_vector(bigint, integer, text) (
+    SFUNC = test_chat_schema.migrate_relations_vector_step,
+    STYPE = bytea,
+    INITCOND = ''
+);
+
+
 SET default_table_access_method = heap;