diff options
Diffstat (limited to 'phpBB/phpbb/db/tools/tools.php')
| -rw-r--r-- | phpBB/phpbb/db/tools/tools.php | 61 |
1 files changed, 48 insertions, 13 deletions
diff --git a/phpBB/phpbb/db/tools/tools.php b/phpBB/phpbb/db/tools/tools.php index 9273d69cd6..76036554d2 100644 --- a/phpBB/phpbb/db/tools/tools.php +++ b/phpBB/phpbb/db/tools/tools.php @@ -946,7 +946,20 @@ class tools implements tools_interface { case 'oracle': case 'sqlite3': - $row[$col] = substr($row[$col], strlen($table_name) + 1); + $index_name = $this->check_index_name_length($table_name, $table_name . '_' . $index_name, false); + $table_prefix = substr(CONFIG_TABLE, 0, -6); // strlen(config) + + if (strpos($index_name , $table_name) === false) + { + if (strpos($index_name, $table_prefix) !== false) + { + $row[$col] = substr($row[$col], strlen($table_prefix) + 1); + } + else + { + $row[$col] = substr($row[$col], strlen($table_name) + 1); + } + } break; } @@ -1359,12 +1372,14 @@ class tools implements tools_interface { case 'mysql_40': case 'mysql_41': + $index_name = $this->check_index_name_length($table_name, $index_name, false); $statements[] = 'DROP INDEX ' . $index_name . ' ON ' . $table_name; break; case 'oracle': case 'sqlite3': - $statements[] = 'DROP INDEX ' . $table_name . '_' . $index_name; + $index_name = $this->check_index_name_length($table_name, $table_name . '_' . $index_name, false); + $statements[] = 'DROP INDEX ' . $index_name; break; } @@ -1487,17 +1502,17 @@ class tools implements tools_interface { $statements = array(); - $this->check_index_name_length($table_name, $index_name); - switch ($this->sql_layer) { case 'oracle': case 'sqlite3': - $statements[] = 'CREATE UNIQUE INDEX ' . $table_name . '_' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')'; + $index_name = $this->check_index_name_length($table_name, $table_name . '_' . $index_name); + $statements[] = 'CREATE UNIQUE INDEX ' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')'; break; case 'mysql_40': case 'mysql_41': + $index_name = $this->check_index_name_length($table_name, $index_name); $statements[] = 'ALTER TABLE ' . $table_name . ' ADD UNIQUE INDEX ' . $index_name . '(' . implode(', ', $column) . ')'; break; } @@ -1512,8 +1527,6 @@ class tools implements tools_interface { $statements = array(); - $this->check_index_name_length($table_name, $index_name); - // remove index length unless MySQL4 if ('mysql_40' != $this->sql_layer) { @@ -1524,7 +1537,8 @@ class tools implements tools_interface { case 'oracle': case 'sqlite3': - $statements[] = 'CREATE INDEX ' . $table_name . '_' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')'; + $index_name = $this->check_index_name_length($table_name, $table_name . '_' . $index_name); + $statements[] = 'CREATE INDEX ' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')'; break; case 'mysql_40': @@ -1539,6 +1553,7 @@ class tools implements tools_interface } // no break case 'mysql_41': + $index_name = $this->check_index_name_length($table_name, $index_name); $statements[] = 'ALTER TABLE ' . $table_name . ' ADD INDEX ' . $index_name . ' (' . implode(', ', $column) . ')'; break; } @@ -1551,15 +1566,35 @@ class tools implements tools_interface * * @param string $table_name * @param string $index_name + * @param bool $throw_error + * @return string The index name, shortened if too long */ - protected function check_index_name_length($table_name, $index_name) + protected function check_index_name_length($table_name, $index_name, $throw_error = true) { - $table_prefix = substr(CONFIG_TABLE, 0, -6); // strlen(config) - if (strlen($table_name . $index_name) - strlen($table_prefix) > 24) + if (strlen($index_name) > 30) { - $max_length = strlen($table_prefix) + 24; - trigger_error("Index name '{$table_name}_$index_name' on table '$table_name' is too long. The maximum is $max_length characters.", E_USER_ERROR); + // Try removing the table prefix if it's at the beginning + $table_prefix = substr(CONFIG_TABLE, 0, -6); // strlen(config) + if (strpos($index_name, $table_prefix) === 0) + { + $index_name = substr($index_name, strlen($table_prefix) + 1); + return $this->check_index_name_length($table_name, $index_name); + } + + // Try removing the table name then + if (strpos($index_name, $table_name) === 0) + { + $index_name = substr($index_name, strlen($table_name) + 1); + return $this->check_index_name_length($table_name, $index_name); + } + + if ($throw_error) + { + trigger_error("Index name '$index_name' on table '$table_name' is too long. The maximum is 30 characters.", E_USER_ERROR); + } } + + return $index_name; } /** |