Name
selectall_hashref( )
Synopsis
$database_handle
->selectall_hashref($statement
, $key_field
, \%attributes
, @bind_values
)
This returns a reference to
a hash of references to hashes, one for each row from the results of
an SQL statement given. This method combines prepare()
, execute( )
, and
fetchall_hashref( )
. An optional second argument
can specify any of the attributes allowed for a statement handle. If
placeholders are used in the SQL statement, their values must be
given as an array for the third argument.
... my $sql_stmnt = "SELECT rec_id, title, author FROM books"; my $books = $dbh->selectall_hashref($sql_stmnt, 'book_id'); foreach my $book_id (keys %$books) { print "$books->{$book_id}{title} by $books->{$book_id}{author} \n"; }
Get MySQL in a Nutshell now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.