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Re^5: Querying data with and & or when using DBIx::Class

by Your Mother (Chancellor)
on Sep 17, 2013 at 20:48 UTC ( #1054538=note: print w/replies, xml ) Need Help??


in reply to Re^4: Querying data with and & or when using DBIx::Class
in thread Querying data with and & or when using DBIx::Class

it seems DBIx::Class is a little sensitive when using a scalar...

Don't confuse scalar for string just because a scalar often holds strings. They aren't the same. A hash ref can be put into a scalar ( my $hash_ref = \%some_hash or my $x = {}) and hash refs are the only kind of argument DBIC takes for its search and options clauses: never strings. There is no way to (safely and reliably) separate out the bind values and parse the intention of the tree from a string. Compare your original with what is necessary-

print "ID => $id, color => $color1", $/; print { ID => $id, color => $color1 }, $/;

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[Cosmic37]: now I have tried another blunder - can anyone explain why I am such a dunderhead?
[Cosmic37]: if ( $line =~ /$mydt/ ) { print $line; }
[Cosmic37]: I try to match successive date times stored in variable $mydt
[Cosmic37]: I guess it is searching for the string "$mydt"
[Corion]: Indeed cool, erix ;)
[Cosmic37]: rather than the value of $mydt which is a date time strong such as 2016-01-01 12:30:56
[Corion]: Cosmic37: No, but maybe $mydt doesn't contain what you think it does, or it contains characters that are special in a regular expression? Try if( $line =~ /\Q$mydt\E/) { ... for a literal match
[Cosmic37]: I mean string grrr
[Corion]: Maybe add an else branch in which you print what the values of $line and $mydt are?
[Cosmic37]: ah thank you I will try

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