Issue 3326: We are now completely working with utf8mb4
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@ -1,6 +1,6 @@
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-- ------------------------------------------
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-- Friendica 3.5.2-dev (Asparagus)
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-- DB_UPDATE_VERSION 1215
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-- DB_UPDATE_VERSION 1216
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-- ------------------------------------------
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@ -78,8 +78,18 @@ function update_fail($update_id, $error_message){
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function table_structure($table) {
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$structures = q("DESCRIBE `%s`", $table);
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$full_columns = q("SHOW FULL COLUMNS FROM `%s`", $table);
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$indexes = q("SHOW INDEX FROM `%s`", $table);
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$table_status = q("SHOW TABLE STATUS WHERE `name` = '%s'", $table);
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if (dbm::is_result($table_status)) {
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$table_status = $table_status[0];
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} else {
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$table_status = array();
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}
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$fielddata = array();
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$indexdata = array();
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@ -104,7 +114,6 @@ function table_structure($table) {
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$indexdata[$index["Key_name"]][] = $column;
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}
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if (dbm::is_result($structures)) {
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foreach ($structures AS $field) {
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$fielddata[$field["Field"]]["type"] = $field["Type"];
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@ -125,10 +134,16 @@ function table_structure($table) {
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}
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}
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}
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return(array("fields"=>$fielddata, "indexes"=>$indexdata));
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if (dbm::is_result($full_columns)) {
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foreach ($full_columns AS $column) {
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$fielddata[$column["Field"]]["Collation"] = $column["Collation"];
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}
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}
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return array("fields" => $fielddata, "indexes" => $indexdata, "table_status" => $table_status);
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}
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function print_structure($database, $charset) {
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function print_structure($database) {
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echo "-- ------------------------------------------\n";
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echo "-- ".FRIENDICA_PLATFORM." ".FRIENDICA_VERSION." (".FRIENDICA_CODENAME,")\n";
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echo "-- DB_UPDATE_VERSION ".DB_UPDATE_VERSION."\n";
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@ -137,7 +152,7 @@ function print_structure($database, $charset) {
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echo "--\n";
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echo "-- TABLE $name\n";
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echo "--\n";
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db_create_table($name, $structure['fields'], $charset, true, false, $structure["indexes"]);
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db_create_table($name, $structure['fields'], true, false, $structure["indexes"]);
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echo "\n";
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}
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@ -151,12 +166,6 @@ function update_structure($verbose, $action, $tables=null, $definition=null) {
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Config::set('system', 'maintenance_reason', 'Database update');
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}
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if (isset($a->config["system"]["db_charset"])) {
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$charset = $a->config["system"]["db_charset"];
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} else {
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$charset = "utf8";
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}
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$errors = false;
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logger('updating structure', LOGGER_DEBUG);
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@ -168,16 +177,18 @@ function update_structure($verbose, $action, $tables=null, $definition=null) {
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$tables = q("SHOW TABLES");
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}
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foreach ($tables AS $table) {
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$table = current($table);
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if (dbm::is_result($tables)) {
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foreach ($tables AS $table) {
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$table = current($table);
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logger(sprintf('updating structure for table %s ...', $table), LOGGER_DEBUG);
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$database[$table] = table_structure($table);
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logger(sprintf('updating structure for table %s ...', $table), LOGGER_DEBUG);
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$database[$table] = table_structure($table);
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}
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}
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// Get the definition
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if (is_null($definition)) {
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$definition = db_definition($charset);
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$definition = db_definition();
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}
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// MySQL >= 5.7.4 doesn't support the IGNORE keyword in ALTER TABLE statements
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@ -194,7 +205,7 @@ function update_structure($verbose, $action, $tables=null, $definition=null) {
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$group_by = "";
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$sql3 = "";
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if (!isset($database[$name])) {
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$r = db_create_table($name, $structure["fields"], $charset, $verbose, $action, $structure['indexes']);
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$r = db_create_table($name, $structure["fields"], $verbose, $action, $structure['indexes']);
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if (!dbm::is_result($r)) {
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$errors .= t('Errors encountered creating database tables.').$name.EOL;
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}
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@ -252,17 +263,22 @@ function update_structure($verbose, $action, $tables=null, $definition=null) {
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}
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} else {
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// Compare the field definition
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$current_field_definition = implode(",",$database[$name]["fields"][$fieldname]);
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$new_field_definition = implode(",",$parameters);
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if ($current_field_definition != $new_field_definition) {
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$sql2=db_modify_table_field($fieldname, $parameters);
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// At first remove the collation from the array that is about to be compared
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$field_definition = $database[$name]["fields"][$fieldname];
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$collation = $field_definition['Collation'];
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unset($field_definition['Collation']);
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$current_field_definition = implode(",", $field_definition);
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$new_field_definition = implode(",", $parameters);
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if (($current_field_definition != $new_field_definition) OR
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(!is_null($collation) AND ($collation != 'utf8mb4_general_ci'))) {
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$sql2 = db_modify_table_field($fieldname, $parameters, $collation);
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if ($sql3 == "") {
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$sql3 = "ALTER" . $ignore . " TABLE `".$temp_name."` ".$sql2;
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} else {
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$sql3 .= ", ".$sql2;
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}
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}
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}
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}
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}
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@ -288,10 +304,23 @@ function update_structure($verbose, $action, $tables=null, $definition=null) {
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$group_by = db_group_by($indexname, $fieldnames);
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}
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if ($sql2 != "") {
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if ($sql3 == "")
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if ($sql3 == "") {
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$sql3 = "ALTER" . $ignore . " TABLE `".$temp_name."` ".$sql2;
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else
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} else {
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$sql3 .= ", ".$sql2;
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}
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}
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}
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}
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if (isset($database[$name]["table_status"]["Collation"])) {
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if ($database[$name]["table_status"]["Collation"] != 'utf8mb4_general_ci') {
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$sql2 = "DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci";
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if ($sql3 == "") {
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$sql3 = "ALTER" . $ignore . " TABLE `".$temp_name."` ".$sql2;
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} else {
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$sql3 .= ", ".$sql2;
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}
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}
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}
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@ -395,7 +424,7 @@ function db_field_command($parameters, $create = true) {
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return($fieldstruct);
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}
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function db_create_table($name, $fields, $charset, $verbose, $action, $indexes=null) {
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function db_create_table($name, $fields, $verbose, $action, $indexes=null) {
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global $a, $db;
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$r = true;
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@ -420,7 +449,7 @@ function db_create_table($name, $fields, $charset, $verbose, $action, $indexes=n
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$sql = implode(",\n\t", $sql_rows);
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$sql = sprintf("CREATE TABLE IF NOT EXISTS `%s` (\n\t", dbesc($name)).$sql."\n) DEFAULT CHARSET=".$charset;
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$sql = sprintf("CREATE TABLE IF NOT EXISTS `%s` (\n\t", dbesc($name)).$sql."\n) DEFAULT CHARSET=utf8mb4";
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if ($verbose)
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echo $sql.";\n";
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@ -435,8 +464,13 @@ function db_add_table_field($fieldname, $parameters) {
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return($sql);
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}
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function db_modify_table_field($fieldname, $parameters) {
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function db_modify_table_field($fieldname, $parameters, $collation) {
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$sql = sprintf("MODIFY `%s` %s", dbesc($fieldname), db_field_command($parameters, false));
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if (!is_null($collation) AND ($collation != 'utf8mb4_general_ci')) {
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$sql .= " CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci";
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}
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return($sql);
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}
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@ -503,18 +537,7 @@ function db_group_by($indexname, $fieldnames) {
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return $sql;
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}
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function db_index_suffix($charset, $reduce = 0) {
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if ($charset != "utf8mb4") {
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return "";
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}
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// On utf8mb4 indexes can only have a length of 191
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$indexlength = 191 - $reduce;
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return "(".$indexlength.")";
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}
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function db_definition($charset) {
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function db_definition() {
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$database = array();
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@ -1658,9 +1681,7 @@ function dbstructure_run(&$argv, &$argc) {
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set_config('system','build',DB_UPDATE_VERSION);
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return;
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case "dumpsql":
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// For the dump that is used to create the database.sql we always assume utfmb4
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$charset = "utf8mb4";
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print_structure(db_definition($charset), $charset);
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print_structure(db_definition());
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return;
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}
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}
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