DBIx::Class::Storage::DBI::NoBindVars - Sometime DBDs have poor to no support
for bind variables
This class allows queries to work when the DBD or underlying library does not
support the usual "?" placeholders, or at least doesn't support them
very well, as is the case with DBD::Sybase
We can't cache very effectively without bind variables, so force the
"disable_sth_caching" setting to be turned on when the connect info
Manually subs in the values for the usual "?" placeholders.
This method is called by "_prep_for_execute" for every column in order
to determine if its value should be quoted or not. The arguments are the
current column data type and the actual bind value. The return value is
interpreted as: true - do not quote, false - do quote. You should override
this in you Storage::DBI::<database> subclass, if your RDBMS does not
like quotes around certain datatypes (e.g. Sybase and integer columns). The
default method returns false, except for integer datatypes paired with values
containing nothing but digits.
Always validate that the bind-value is valid for the current datatype.
Otherwise you may very well open the door to SQL injection attacks.
Given a datatype and the value to be inserted directly into a SQL query, returns
the necessary string to represent that value (by e.g. adding a '$' sign)
Check the list of additional DBIC resources.
This module is free software copyright by the DBIx::Class (DBIC) authors. You
can redistribute it and/or modify it under the same terms as the DBIx::Class