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Issue 3326: We are now completely working with utf8mb4

pull/3341/head
Michael 4 years ago
parent
commit
fdcb6d3c6f
2 changed files with 63 additions and 42 deletions
  1. +1
    -1
      database.sql
  2. +62
    -41
      include/dbstructure.php

+ 1
- 1
database.sql View File

@ -1,6 +1,6 @@
-- ------------------------------------------
-- Friendica 3.5.2-dev (Asparagus)
-- DB_UPDATE_VERSION 1215
-- DB_UPDATE_VERSION 1216
-- ------------------------------------------


+ 62
- 41
include/dbstructure.php View File

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


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