Re: simplifying foreign key/RI checks

In file included from /home/japin/Codes/postgresql/Debug/../src/include/postgres.h:47:0,
                 from /home/japin/Codes/postgresql/Debug/../src/backend/utils/adt/ri_triggers.c:24:
/home/japin/Codes/postgresql/Debug/../src/backend/utils/adt/ri_triggers.c: In function ‘ri_PrimaryKeyExists’:
/home/japin/Codes/postgresql/Debug/../src/include/utils/elog.h:134:5: warning: this statement may fall through [-Wimplicit-fallthrough=]
  do { \
     ^
/home/japin/Codes/postgresql/Debug/../src/include/utils/elog.h:156:2: note: in expansion of macro ‘ereport_domain’
  ereport_domain(elevel, TEXTDOMAIN, __VA_ARGS__)
  ^~~~~~~~~~~~~~
/home/japin/Codes/postgresql/Debug/../src/include/utils/elog.h:229:2: note: in expansion of macro ‘ereport’
  ereport(elevel, errmsg_internal(__VA_ARGS__))
  ^~~~~~~
/home/japin/Codes/postgresql/Debug/../src/backend/utils/adt/ri_triggers.c:417:5: note: in expansion of macro ‘elog’
     elog(ERROR, "unexpected table_tuple_lock status: %u", res);
     ^~~~
/home/japin/Codes/postgresql/Debug/../src/backend/utils/adt/ri_triggers.c:419:4: note: here
    default:
    ^~~~~~~

--
Regrads,
Japin Li.
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