"F"-serie (SS): len=51, 6.0.0.1819 2026.03.12 61354aef - 6.0.0.2009 2026.06.15 db410b74
assert   
    MSG initial state
    ID 1
    X 3
    Y 7
    Statement failed, SQLSTATE = 42000
    attempted update of read-only column "PUBLIC"."TEST"."X"
    Statement failed, SQLSTATE = 42000
    attempted update of read-only column "PUBLIC"."TEST"."X"
  - Statement failed, SQLSTATE = 42000
  - attempted update of read-only column "PUBLIC"."TEST"."X"
  + MSG delete-returning:
  + OLD_X 3
  + OLD_Y 7
    MSG after delete
    X_TRG_AIUD1 <null>
    Y_TRG_AIUD1 <null>
    X_TRG_AIUD2 <null>
    Y_TRG_AIUD2 <null>
  - Statement failed, SQLSTATE = 42000
  - attempted update of read-only column "PUBLIC"."TEST"."X"
  + MSG update-returning:
  + OLD_X 3
  + NEW_X 17
  + OLD_Y 7
  + NEW_Y 7
    MSG after update
    X_TRG_AIUD1 <null>
    Y_TRG_AIUD1 <null>
    X_TRG_AIUD2 <null>
    Y_TRG_AIUD2 <null>
    ID 1
  - X 3
  + X 17
    Y 7
  - Statement failed, SQLSTATE = 42000
  - attempted update of read-only column "PUB

[...SKIPPED...]

04-30 11:27:16.297 E         + X_TRG_AIUD1 <null>
2026-04-30 11:27:16.297 E         + Y_TRG_AIUD1 <null>
2026-04-30 11:27:16.297 E         + X_TRG_AIUD2 <null>
2026-04-30 11:27:16.297 E         + Y_TRG_AIUD2 <null>
2026-04-30 11:27:16.297 E         + ID 2
2026-04-30 11:27:16.297 E         + X 19
2026-04-30 11:27:16.297 E         + Y <null>
2026-04-30 11:27:16.297 E           Statement failed, SQLSTATE = 42000
2026-04-30 11:27:16.297 E           attempted update of read-only column "CE"."Y"
2026-04-30 11:27:16.297 E           Statement failed, SQLSTATE = 42000
2026-04-30 11:27:16.297 E           attempted update of read-only column "CE"."Y"
2026-04-30 11:27:16.297
2026-04-30 11:27:16.297 tests\bugs\core_4819_test.py:307: AssertionError
2026-04-30 11:27:16.297 ---------------------------- Captured stdout setup ----------------------------
2026-04-30 11:27:16.297 Creating db: localhost:R:\Temp\qa\fbqa\test_1959\test.fdb [page_size=None, sql_dialect=None, charset='NONE', user=SYSDBA, password=masterkey]