the big GMT/local changes, part 1: adding _gmt fields
git-svn-id: https://develop.svn.wordpress.org/trunk@994 602fd350-edb4-49c9-b593-d223f7449a82
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@ -715,48 +715,49 @@ function upgrade_110() {
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$wpdb->query("INSERT INTO $tableoptions (option_name, option_type, option_value, option_admin_level) VALUES ('blog_charset', 3, 'utf-8', 8)");
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}
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// Convert all datetime fields' values to GMT, add a gmt_offset option
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// Get the GMT offset, we'll use that later on
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$all_options = get_alloptions();
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$time_difference = $all_options->time_difference;
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$server_time = time()+date('Z');
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$weblogger_time = $server_time + $time_difference*3600;
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$gmt_time = time();
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$diff_gmt_server = ($gmt_time - $server_time) / 3600;
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$diff_weblogger_server = ($weblogger_time - $server_time) / 3600;
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$diff_gmt_weblogger = $diff_gmt_server - $diff_weblogger_server;
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$gmt_offset = -$diff_gmt_weblogger;
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// Add a gmt_offset option, with value $gmt_offset
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if (!get_settings('gmt_offset')) {
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// echo '1';
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$all_options = get_alloptions();
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$time_difference = $all_options->time_difference;
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$server_time = time()+date('Z');
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$weblogger_time = $server_time + $time_difference*3600;
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$gmt_time = time();
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$diff_gmt_server = ($gmt_time - $server_time) / 3600;
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$diff_weblogger_server = ($weblogger_time - $server_time) / 3600;
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$diff_gmt_weblogger = $diff_gmt_server - $diff_weblogger_server;
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if ($diff_gmt_weblogger != 0) {
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//echo '<br>2: ';
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$gmt_offset = -$diff_gmt_weblogger;
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$add_hours = intval($diff_gmt_weblogger);
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$add_minutes = intval(60 * ($diff_gmt_weblogger - $add_hours));
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// echo $add_hours.':'.$add_minutes;
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// Add or substract time to all dates, to get GMT dates
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$wpdb->query("UPDATE $tableposts SET post_date = DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
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$wpdb->query("UPDATE $tableposts SET post_modified = DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE) WHERE post_modified != '0000-00-00 00:00:00'");
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$wpdb->query("UPDATE $tablecomments SET comment_date = DATE_ADD(comment_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
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$wpdb->query("UPDATE $tableusers SET dateYMDhour = DATE_ADD(dateYMDhour, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
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} else {
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//echo '3';
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$gmt_offset = 0;
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}
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// Add gmt_field option, with value $gmt_offset
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if(!$wpdb->get_var("SELECT * FROM $tableoptions WHERE option_name = 'gmt_offset'")) {
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// echo "<br>4: $gmt_offset";
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$wpdb->query("INSERT INTO $tableoptions (option_id, option_name, option_type, option_value, option_description, option_admin_level) VALUES (94, 'gmt_offset', 8, $gmt_offset, 'The difference in hours between GMT and your timezone', 8)");
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}
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}
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// Add post_date_gmt, post_modified_gmt, comment_date_gmt fields
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$got_gmt_fields = 0;
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foreach ($wpdb->get_col("DESC $tableposts", 0) as $column ) {
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if ($debug) echo("checking $column == $column_name<br />");
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if ($column == 'post_date_gmt') {
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$got_gmt_fields++;
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}
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}
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if (!$got_gmt_fields) {
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$wpdb->query("ALTER TABLE $tableposts ADD post_date_gmt DATETIME NOT NULL AFTER post_date");
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$wpdb->query("ALTER TABLE $tableposts ADD post_modified_gmt DATETIME NOT NULL AFTER post_modified");
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$wpdb->query("ALTER TABLE $tablecomments ADD comment_date_gmt DATETIME NOT NULL AFTER comment_date");
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// Add or substract time to all dates, to get GMT dates
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$add_hours = intval($diff_gmt_weblogger);
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$add_minutes = intval(60 * ($diff_gmt_weblogger - $add_hours));
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$wpdb->query("UPDATE $tableposts SET post_date_gmt = DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
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$wpdb->query("UPDATE $tableposts SET post_modified_gmt = DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE) WHERE post_modified != '0000-00-00 00:00:00'");
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$wpdb->query("UPDATE $tablecomments SET comment_date_gmt = DATE_ADD(comment_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
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$wpdb->query("UPDATE $tableusers SET dateYMDhour = DATE_ADD(dateYMDhour, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
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}
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// post-meta
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maybe_create_table($tablepostmeta, "
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CREATE TABLE $tablepostmeta (
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