RowResult::getColumns
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RowResult::getColumns — Get column metadata
Descrierea
public mysql_xdevapi\RowResult::getColumns
(
) : 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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