1Class::DBI::Query(3)  User Contributed Perl Documentation Class::DBI::Query(3)
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NAME

6       Class::DBI::Query - Deprecated SQL manager for Class::DBI
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SYNOPSIS

9               my $sth = Class::DBI::Query
10                       ->new({
11                               owner => $class,
12                               sqlname => $type,
13                               essential => \@columns,
14                               where_columns => \@where_cols,
15                       })
16                       ->run($val);
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DESCRIPTION

19       This abstracts away many of the details of the Class::DBI underlying
20       SQL mechanism. For the most part you probably don't want to be
21       interfacing directly with this.
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23       The underlying mechanisms are not yet stable, and are subject to change
24       at any time.
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OPTIONS

27       A Query can have many options set before executing. Most can either be
28       passed as an option to new(), or set later if you are building the
29       query up dynamically:
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31   owner
32       The Class::DBI subclass that 'owns' this query. In the vast majority of
33       cases a query will return objects - the owner is the class of which
34       instances will be returned.
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36   sqlname
37       This should be the name of a query set up using set_sql.
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39   where_clause
40       This is the raw SQL that will substituted into the 'WHERE %s' in your
41       query. If you have multiple %s's in your query then you should supply a
42       listref of where_clauses. This SQL can include placeholders, which will
43       be used when you call run().
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45   essential
46       When retrieving rows from the database that match the WHERE clause of
47       the query, these are the columns that we fetch back and pre-load the
48       resulting objects with. By default this is the Essential column group
49       of the owner class.
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METHODS

52   where()
53               $query->where($match, @columns);
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55       This will extend your 'WHERE' clause by adding a 'AND $column = ?' (or
56       whatever $match is, isntead of "=") for each column passed. If you have
57       multiple WHERE clauses this will extend the last one.
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61perl v5.28.0                      2004-04-25              Class::DBI::Query(3)
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