Re: enhanced error fields - Mailing list pgsql-hackers

From Pavel Stehule
Subject Re: enhanced error fields
Date
Msg-id CAFj8pRD6x1mRPgo4evQmhOPjy14UYsXowi3Gx_tm=8zfmTK63w@mail.gmail.com
Whole thread Raw
In response to Re: enhanced error fields  (Stephen Frost <sfrost@snowman.net>)
List pgsql-hackers
2012/12/29 Stephen Frost <sfrost@snowman.net>:
> * Pavel Stehule (pavel.stehule@gmail.com) wrote:
>> > Having just constraint_schema and constraint_name feels horribly wrong
>> > as the definition of a constraint also includes a pg_class oid.
>>
>> but then TABLE_NAME and TABLE_SCHEMA will be defined.
>
> How are you going to look up the constraint?  Using constraint_schema,
> table_name, and constraint_name?  Or table_schema, table_name and
> constraint_name?  When do you use constraint_schema instead of
> table_schema?
>
> None of those options is exactly clear or understandable...

probably there will be situation when TABLE_SCHEMA and
CONSTRAINT_SCHEMA same values

Hypothetically - if we define CONSTRAINT_TABLE - what is difference
from TABLE_NAME ?

Pavel



>
>         Thanks,
>
>                 Stephen



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