Hi Monks!

I am trying to add place holders to a SQL query, but I am formatting the second query based on a first SQL query.
The code sample here shows what I am trying to do, if its possible:

# The first SQL query to get the state value<br>

my $citydata = $dbh->exec_select( "select city,state from mytable wher
+e city  = ?", $city );

 # This one gets me all the values found for state 
my $statedata = join ' OR ', map { "state = $_->{ state}" } @$citydata
+;
# Now $statedate gets this:  “state = NH OR state = NY”.

# I would like to add place holders and pass these values into the sec
+ond query
# To read like “state = ? OR state ?”

  my $codedata = $dbh->exec_select( "select code from othertable where
+ (year=2014 and ($statedata)), $citydata->{state},$citydata->{state} 
+   );

[download]

Any help?
Thanks for looking!

In reply to Place holders in SQL 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.