Chicken and egg: I first have to ensure what I insert can be matched before I can allow other users in, at which point yes, I am then in a position to use a where not exists clause. Until then, the where not exists will not help me.

Regarding COPY - I have constraints from other relations than the one with the issue:

Location -> lelo <- legal_entity

lelo_type -> lelo

and some others that have to be dealt with after. So I have to generate unique location ids, unique le_ids and join them in lelo which has unique ids per type, location and entity. (at this point, type of lelo is registered office, although other types will come as the database develops). COPY cannot be used when building related data simultaneously and needing a single transaction for all related data in different tables especially where fk constraints are needed.

One world, one people

In reply to Re^2: Matching alphabetic diacritics with Perl and Postgresql by anonymized user 468275
in thread Matching alphabetic diacritics with Perl and Postgresql by anonymized user 468275

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.