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WPDB: If a site is using the utf8 charset, and their version of MySQL supports utf8mb4, auto-upgrade them to utf8mb4.

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This patch also resizes some indexes, to allow for the 767 byte index size limit in standard MySQL installs.

See #21212



git-svn-id: https://develop.svn.wordpress.org/trunk@31349 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Gary Pendergast
2015-02-06 04:50:19 +00:00
parent 43789f822a
commit 9f6ddf8944
6 changed files with 151 additions and 25 deletions
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7
tests/phpunit/tests/db/charset.php
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@@ -130,11 +130,12 @@ class Tests_DB_Charset extends WP_UnitTestCase {
}
/**
* @ ticket 21212
* @ticket 21212
*/
function test_process_fields_failure() {
global $wpdb;
$data = array( 'post_content' => "H€llo\xf0\x9f\x98\x88World¢" );
// \xf0\xff\xff\xff is invalid in utf8 and utf8mb4.
$data = array( 'post_content' => "H€llo\xf0\xff\xff\xffWorld¢" );
$this->assertFalse( self::$_wpdb->process_fields( $wpdb->posts, $data, null ) );
}
@@ -436,6 +437,6 @@ class Tests_DB_Charset extends WP_UnitTestCase {
*/
function test_invalid_characters_in_query() {
global $wpdb;
$this->assertFalse( $wpdb->query( "INSERT INTO {$wpdb->posts} (post_content) VALUES ('foo\xf0\x9f\x98\x88bar')" ) );
$this->assertFalse( $wpdb->query( "INSERT INTO {$wpdb->posts} (post_content) VALUES ('foo\xf0\xff\xff\xffbar')" ) );
}
}