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WPDB: When a `db.php` drop-in is being used, and it doesn't explicitly define itself as connecting to MySQL, skip the character set checks. This ensures that existing drop-ins won't accidentally run checks that they don't support. 

See #21212.


git-svn-id: https://develop.svn.wordpress.org/trunk@30375 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Gary Pendergast 2014-11-18 03:37:23 +00:00
parent 92ae13f0ee
commit de33d35d1f
2 changed files with 37 additions and 7 deletions
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16
src/wp-includes/wp-db.php
View File

@ -2211,7 +2211,7 @@ class wpdb {
$this->col_meta[ $table ] = $columns;
foreach ( $columns as $column ) {
if ( $column->Collation ) {
if ( ! empty( $column->Collation ) ) {
list( $charset ) = explode( '_', $column->Collation );
$charsets[ strtolower( $charset ) ] = true;
}
@ -2237,7 +2237,7 @@ class wpdb {
$charset = key( $charsets );
} elseif ( 0 === $count ) {
// No charsets, assume this table can store whatever.
$charset = 'latin1';
$charset = false;
} else {
// More than one charset. Remove latin1 if present and recalculate.
unset( $charsets['latin1'] );
@ -2291,6 +2291,11 @@ class wpdb {
return $charset;
}
// Skip this entirely if this isn't a MySQL database.
if ( false === $this->is_mysql ) {
return false;
}
if ( empty( $this->table_charset[ $table ] ) ) {
// This primes column information for us.
$table_charset = $this->get_table_charset( $table );
@ -2378,13 +2383,12 @@ class wpdb {
foreach ( $data as &$value ) {
$charset = $value['charset'];
// latin1 will happily store anything.
if ( 'latin1' === $charset ) {
// Column isn't a string, or is latin1, which will will happily store anything.
if ( false === $charset || 'latin1' === $charset ) {
continue;
}
// Column or value isn't a string.
if ( false === $charset || ! is_string( $value['value'] ) ) {
if ( ! is_string( $value['value'] ) ) {
continue;
}

28
tests/phpunit/tests/db/charset.php
View File

@ -231,7 +231,7 @@ class Tests_DB_Charset extends WP_UnitTestCase {
protected $table_and_column_defs = array(
array(
'definition' => '( a INT, b FLOAT )',
'table_expected' => 'latin1',
'table_expected' => false,
'column_expected' => array( 'a' => false, 'b' => false )
),
array(
@ -346,6 +346,32 @@ class Tests_DB_Charset extends WP_UnitTestCase {
self::$_wpdb->query( $drop );
}
/**
* @dataProvider data_test_get_column_charset
* @ticket 21212
*/
function test_get_column_charset_non_mysql( $drop, $create, $table, $columns ) {
self::$_wpdb->query( $drop );
if ( ! self::$_wpdb->has_cap( 'utf8mb4' ) && preg_match( '/utf8mb[34]/i', $create ) ) {
$this->markTestSkipped( "This version of MySQL doesn't support utf8mb4." );
return;
}
self::$_wpdb->is_mysql = false;
self::$_wpdb->query( $create );
$columns = array_keys( $columns );
foreach ( $columns as $column => $charset ) {
$this->assertEquals( false, self::$_wpdb->get_col_charset( $table, $column ) );
}
self::$_wpdb->query( $drop );
self::$_wpdb->is_mysql = true;
}
/**
* @ticket 21212
*/