RowResult::getColumns

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RowResult::getColumnsGet column metadata

Descrierea

public mysql_xdevapi\RowResult::getColumns ( void ) : array

Retrieve column metadata for columns present in the result set.

Avertizare

Această funcție nu este documentată în prezent; este disponibilă numai lista sa de argumente.

Parametri

Această funcție nu are parametri.

Valorile întoarse

An array of FieldMetadata objects representing the columns in the result, or an empty array if the result set is empty.

Exemple

Example #1 mysql_xdevapi\RowResult::getColumns() example

<?php
$session 
mysql_xdevapi\getSession("mysqlx://user:password@localhost");

$session->sql("DROP DATABASE addressbook")->execute();
$session->sql("CREATE DATABASE foo")->execute();
$session->sql("CREATE TABLE foo.test_table(x int)")->execute();
$session->sql("INSERT INTO addressbook.names values ('John', 42), ('Sam', 33)")->execute();

$sql $session->sql("SELECT * from addressbook.names")->execute();

$cols $sql->getColumns();
  
print_r($cols);

Exemplul de mai sus va afișa ceva similar cu:

Array
(
    [0] => mysql_xdevapi\FieldMetadata Object
        (
            [type] => 7
            [type_name] => BYTES
            [name] => name
            [original_name] => name
            [table] => names
            [original_table] => names
            [schema] => addressbook
            [catalog] => def
            [collation] => 255
            [fractional_digits] => 0
            [length] => 65535
            [flags] => 0
            [content_type] => 0
        )
    [1] => mysql_xdevapi\FieldMetadata Object
        (
            [type] => 1
            [type_name] => SINT
            [name] => age
            [original_name] => age
            [table] => names
            [original_table] => names
            [schema] => addressbook
            [catalog] => def
            [collation] => 0
            [fractional_digits] => 0
            [length] => 11
            [flags] => 0
            [content_type] => 0
        )
)
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