NAME

Mojo::MySQL5::Results - Results

SYNOPSIS

  use Mojo::MySQL5::Results;

  my $results = Mojo::MySQL5::Results->new(db => $db);

DESCRIPTION

Mojo::MySQL5::Results is a container for results returned by call to $db->"query" in Mojo::MySQL5::Database.

METHODS

Mojo::MySQL5::Results inherits all methods from Mojo::Base and implements the following ones.

array

  my $array = $results->array;

Fetch one row and return it as an array reference.

  # Process one row at a time
  while (my $next = $results->array) {
    say $next->[3];
  }

arrays

  my $collection = $results->arrays;

Fetch all rows and return them as a Mojo::Collection object containing array references.

  # Process all rows at once
  say $results->arrays->reduce(sub { $a->[3] + $b->[3] });

columns

  my $columns = $results->columns;

Return column names as an array reference.

hash

  my $hash = $results->hash;

Fetch one row and return it as a hash reference.

  # Process one row at a time
  while (my $next = $results->hash) {
    say $next->{money};
  }

hashes

  my $collection = $results->hashes;

Fetch all rows and return them as a Mojo::Collection object containing hash references.

  # Process all rows at once
  say $results->hashes->reduce(sub { $a->{money} + $b->{money} });

rows

  my $num = $results->rows;

Number of rows.

text

  my $text = $results->text;

Fetch all rows and turn them into a table with "tablify" in Mojo::Util.

more_results

  do {
    my $columns = $results->columns;
    my $arrays = $results->arrays;
  } while ($results->more_results);

Handle multiple results.

affected_rows

  my $affected = $results->affected_rows;

Number of affected rows by the query. The number reported is dependant from found_rows option in Mojo::MySQL5. For example

  UPDATE $table SET id = 1 WHERE id = 1

would return 1 if found_rows is set, and 0 otherwise.

last_insert_id

  my $last_id = $results->last_insert_id;

That value of AUTO_INCREMENT column if executed query was INSERT in a table with AUTO_INCREMENT column.

warnings_count

  my $warnings = $results->warnings_count;

Number of warnings raised by the executed query.

err

  my $err = $results->err;

Error code receieved.

state

  my $state = $results->state;

Error state receieved.

errstr

  my $errstr = $results->errstr;

Error message receieved.

SEE ALSO

Mojo::MySQL5, Mojo::MySQL5::Database.

cpanm Mojo::MySQL5

perl -MCPAN -e shell
install Mojo::MySQL5