WPDB: ::strip_text_from_query() doesn't pass a length to ::strip_invalid_text(), which was causing queries to fail when they contained characters that needed to be sanity checked by MySQL.

Props dd32, mdawaffe, pento.

Merges [33310] to the 4.2 branch.

Fixes #32279.


Built from https://develop.svn.wordpress.org/branches/4.2@33311


git-svn-id: http://core.svn.wordpress.org/branches/4.2@33283 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Gary Pendergast 2015-07-17 07:10:28 +00:00
parent 8429597071
commit 0300e1f14a

View File

@ -2594,8 +2594,13 @@ class wpdb {
if ( is_array( $value['length'] ) ) {
$length = $value['length']['length'];
$truncate_by_byte_length = 'byte' === $value['length']['type'];
} else {
$length = false;
// Since we have no length, we'll never truncate.
// Initialize the variable to false. true would take us
// through an unnecessary (for this case) codepath below.
$truncate_by_byte_length = false;
}
// There's no charset to work with.
@ -2608,8 +2613,6 @@ class wpdb {
continue;
}
$truncate_by_byte_length = 'byte' === $value['length']['type'];
$needs_validation = true;
if (
// latin1 can store any byte sequence
@ -2683,7 +2686,12 @@ class wpdb {
$charset = $value['charset'];
}
$queries[ $col ] = $this->prepare( "CONVERT( LEFT( CONVERT( %s USING $charset ), %.0f ) USING {$this->charset} )", $value['value'], $value['length']['length'] );
if ( is_array( $value['length'] ) ) {
$queries[ $col ] = $this->prepare( "CONVERT( LEFT( CONVERT( %s USING $charset ), %.0f ) USING {$this->charset} )", $value['value'], $value['length']['length'] );
} else if ( 'binary' !== $charset ) {
// If we don't have a length, there's no need to convert binary - it will always return the same result.
$queries[ $col ] = $this->prepare( "CONVERT( CONVERT( %s USING $charset ) USING {$this->charset} )", $value['value'] );
}
unset( $data[ $col ]['db'] );
}