FieldMetadata constructor

# FieldMetadata::__construct

(No version information available, might only be in Git)

FieldMetadata::__construct — FieldMetadata constructor

### Descrierea

private mysql_xdevapi\FieldMetadata::__construct ( void )

Provides metadata about a table. A FieldMetadata object is provided by other methods, such as RowResult::getColumns() as demonstrated in the example that follows.

### Parametri

Această funcție nu are parametri.

### Exemple

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

`<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS 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
            )
    )