PostgreSQL 에러 코드Class 00 — Successful Completion00000successful_completionClass 01 — Warning01000warning0100Cdynamic_result_sets_returned01008implicit_zero_bit_padding01003null_value_eliminated_in_set_function01007privilege_not_granted01006privilege_not_revoked01004string_data_right_truncation01P01deprecated_featureClass 02 — No Data (this is also a warning class per the SQL standard)02000no_dat..