app->attr(dbh => sub {

   my $self = shift;
   my $dsn  = 'dbi:Oracle:schema';
   my $usr  = 'Scott';
   my $pas  = 'tiger';
   my $dbh  = $DBI->connect_cached( $dsn, $usr, $pas );

   return $dbh;
}

# later

get '/query' => sub{

   my $c = shift;
   my $dbh = $c->app->dbh;
   my $sql = 'SQL QUERY HERE';
   my $sth = $dbh->pepare_cached( $sql );
   my $details = $dbh->selectall_arrayref( $sql, { Slice = {} });

  # and so on
};

[download]
IN above example, I do prepare cached, but don't know how to call the cached query each time the route is visitied. 1. is my initial DBH setup optimal? 2. How do I make use of prepare_cached? Thanks

In reply to Mojo - Prepare cached query by Anonymous Monk

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.