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RowResult::getColumns — Get column metadata
Retrieve column metadata for columns present in the result set.
This function is currently not documented; only its argument list is available.
This function has no parameters.
An array of FieldMetadata objects representing the columns in the result, or an empty array if the result set is empty.
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);The above example will output something similar to:
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
)
)