Issue #22336 by quicksketch, scor, boombatower, and rfay. Move all core Drupal files under a core subdirectory.

1 files changed, 0 insertions, 511 deletions

diff --git a/includes/database/sqlite/database.inc b/includes/database/sqlite/database.inc
deleted file mode 100644
index 3e2490b00cab..000000000000
--- a/includes/database/sqlite/database.inc
+++ /dev/null
@@ -1,511 +0,0 @@
-<?php
-
-/**
- * @file
- * Database interface code for SQLite embedded database engine.
- */
-
-/**
- * @ingroup database
- * @{
- */
-
-include_once DRUPAL_ROOT . '/includes/database/prefetch.inc';
-
-/**
- * Specific SQLite implementation of DatabaseConnection.
- */
-class DatabaseConnection_sqlite extends DatabaseConnection {
-
-  /**
-   * Whether this database connection supports savepoints.
-   *
-   * Version of sqlite lower then 3.6.8 can't use savepoints.
-   * See http://www.sqlite.org/releaselog/3_6_8.html
-   *
-   * @var boolean
-   */
-  protected $savepointSupport = FALSE;
-
-  /**
-   * Whether or not the active transaction (if any) will be rolled back.
-   *
-   * @var boolean
-   */
-  protected $willRollback;
-
-  /**
-   * All databases attached to the current database. This is used to allow
-   * prefixes to be safely handled without locking the table
-   * 
-   * @var array
-   */
-  protected $attachedDatabases = array();
-
-  /**
-   * Whether or not a table has been dropped this request: the destructor will
-   * only try to get rid of unnecessary databases if there is potential of them
-   * being empty.
-   * 
-   * This variable is set to public because DatabaseSchema_sqlite needs to
-   * access it. However, it should not be manually set.
-   * 
-   * @var boolean
-   */
-  var $tableDropped = FALSE;
-
-  public function __construct(array $connection_options = array()) {
-    // We don't need a specific PDOStatement class here, we simulate it below.
-    $this->statementClass = NULL;
-
-    // This driver defaults to transaction support, except if explicitly passed FALSE.
-    $this->transactionSupport = !isset($connection_options['transactions']) || $connection_options['transactions'] !== FALSE;
-
-    $this->connectionOptions = $connection_options;
-
-    parent::__construct('sqlite:' . $connection_options['database'], '', '', array(
-      // Force column names to lower case.
-      PDO::ATTR_CASE => PDO::CASE_LOWER,
-      // Convert numeric values to strings when fetching.
-      PDO::ATTR_STRINGIFY_FETCHES => TRUE,
-    ));
-
-    // Attach one database for each registered prefix.
-    $prefixes = $this->prefixes;
-    foreach ($prefixes as $table => &$prefix) {
-      // Empty prefix means query the main database -- no need to attach anything.
-      if (!empty($prefix)) {
-        // Only attach the database once.
-        if (!isset($this->attachedDatabases[$prefix])) {
-          $this->attachedDatabases[$prefix] = $prefix;
-          $this->query('ATTACH DATABASE :database AS :prefix', array(':database' => $connection_options['database'] . '-' . $prefix, ':prefix' => $prefix));
-        }
-
-        // Add a ., so queries become prefix.table, which is proper syntax for
-        // querying an attached database.
-        $prefix .= '.';
-      }
-    }
-    // Regenerate the prefixes replacement table.
-    $this->setPrefix($prefixes);
-
-    // Detect support for SAVEPOINT.
-    $version = $this->query('SELECT sqlite_version()')->fetchField();
-    $this->savepointSupport = (version_compare($version, '3.6.8') >= 0);
-
-    // Create functions needed by SQLite.
-    $this->sqliteCreateFunction('if', array($this, 'sqlFunctionIf'));
-    $this->sqliteCreateFunction('greatest', array($this, 'sqlFunctionGreatest'));
-    $this->sqliteCreateFunction('pow', 'pow', 2);
-    $this->sqliteCreateFunction('length', 'strlen', 1);
-    $this->sqliteCreateFunction('md5', 'md5', 1);
-    $this->sqliteCreateFunction('concat', array($this, 'sqlFunctionConcat'));
-    $this->sqliteCreateFunction('substring', array($this, 'sqlFunctionSubstring'), 3);
-    $this->sqliteCreateFunction('substring_index', array($this, 'sqlFunctionSubstringIndex'), 3);
-    $this->sqliteCreateFunction('rand', array($this, 'sqlFunctionRand'));
-  }
-
-  /**
-   * Destructor for the SQLite connection.
-   *
-   * We prune empty databases on destruct, but only if tables have been
-   * dropped. This is especially needed when running the test suite, which
-   * creates and destroy databases several times in a row.
-   */
-  public function __destruct() {
-    if ($this->tableDropped && !empty($this->attachedDatabases)) {
-      foreach ($this->attachedDatabases as $prefix) {
-        // Check if the database is now empty, ignore the internal SQLite tables.
-        try {
-          $count = $this->query('SELECT COUNT(*) FROM ' . $prefix . '.sqlite_master WHERE type = :type AND name NOT LIKE :pattern', array(':type' => 'table', ':pattern' => 'sqlite_%'))->fetchField();
-
-          // We can prune the database file if it doesn't have any tables.
-          if ($count == 0) {
-            // Detach the database.
-            $this->query('DETACH DATABASE :schema', array(':schema' => $prefix));
-            // Destroy the database file.
-            unlink($this->connectionOptions['database'] . '-' . $prefix);
-          }
-        }
-        catch (Exception $e) {
-          // Ignore the exception and continue. There is nothing we can do here
-          // to report the error or fail safe.
-        }
-      }
-    }
-  }
-
-  /**
-   * SQLite compatibility implementation for the IF() SQL function.
-   */
-  public function sqlFunctionIf($condition, $expr1, $expr2 = NULL) {
-    return $condition ? $expr1 : $expr2;
-  }
-
-  /**
-   * SQLite compatibility implementation for the GREATEST() SQL function.
-   */
-  public function sqlFunctionGreatest() {
-    $args = func_get_args();
-    foreach ($args as $k => $v) {
-      if (!isset($v)) {
-        unset($args);
-      }
-    }
-    if (count($args)) {
-      return max($args);
-    }
-    else {
-      return NULL;
-    }
-  }
-
-  /**
-   * SQLite compatibility implementation for the CONCAT() SQL function.
-   */
-  public function sqlFunctionConcat() {
-    $args = func_get_args();
-    return implode('', $args);
-  }
-
-  /**
-   * SQLite compatibility implementation for the SUBSTRING() SQL function.
-   */
-  public function sqlFunctionSubstring($string, $from, $length) {
-    return substr($string, $from - 1, $length);
-  }
-
-  /**
-   * SQLite compatibility implementation for the SUBSTRING_INDEX() SQL function.
-   */
-  public function sqlFunctionSubstringIndex($string, $delimiter, $count) {
-    // If string is empty, simply return an empty string.
-    if (empty($string)) {
-      return '';
-    }
-    $end = 0;
-    for ($i = 0; $i < $count; $i++) {
-      $end = strpos($string, $delimiter, $end + 1);
-      if ($end === FALSE) {
-        $end = strlen($string);
-      }
-    }
-    return substr($string, 0, $end);
-  }
-
-  /**
-   * SQLite compatibility implementation for the RAND() SQL function.
-   */
-  public function sqlFunctionRand($seed = NULL) {
-    if (isset($seed)) {
-      mt_srand($seed);
-    }
-    return mt_rand() / mt_getrandmax();
-  }
-
-  /**
-   * SQLite-specific implementation of DatabaseConnection::prepare().
-   *
-   * We don't use prepared statements at all at this stage. We just create
-   * a DatabaseStatement_sqlite object, that will create a PDOStatement
-   * using the semi-private PDOPrepare() method below.
-   */
-  public function prepare($query, $options = array()) {
-    return new DatabaseStatement_sqlite($this, $query, $options);
-  }
-
-  /**
-   * NEVER CALL THIS FUNCTION: YOU MIGHT DEADLOCK YOUR PHP PROCESS.
-   *
-   * This is a wrapper around the parent PDO::prepare method. However, as
-   * the PDO SQLite driver only closes SELECT statements when the PDOStatement
-   * destructor is called and SQLite does not allow data change (INSERT,
-   * UPDATE etc) on a table which has open SELECT statements, you should never
-   * call this function and keep a PDOStatement object alive as that can lead
-   * to a deadlock. This really, really should be private, but as
-   * DatabaseStatement_sqlite needs to call it, we have no other choice but to
-   * expose this function to the world.
-   */
-  public function PDOPrepare($query, array $options = array()) {
-    return parent::prepare($query, $options);
-  }
-
-  public function queryRange($query, $from, $count, array $args = array(), array $options = array()) {
-    return $this->query($query . ' LIMIT ' . (int) $from . ', ' . (int) $count, $args, $options);
-  }
-
-  public function queryTemporary($query, array $args = array(), array $options = array()) {
-    // Generate a new temporary table name and protect it from prefixing.
-    // SQLite requires that temporary tables to be non-qualified.
-    $tablename = $this->generateTemporaryTableName();
-    $prefixes = $this->prefixes;
-    $prefixes[$tablename] = '';
-    $this->setPrefix($prefixes);
-
-    $this->query(preg_replace('/^SELECT/i', 'CREATE TEMPORARY TABLE ' . $tablename . ' AS SELECT', $query), $args, $options);
-    return $tablename;
-  }
-
-  public function driver() {
-    return 'sqlite';
-  }
-
-  public function databaseType() {
-    return 'sqlite';
-  }
-
-  public function mapConditionOperator($operator) {
-    // We don't want to override any of the defaults.
-    static $specials = array(
-      'LIKE' => array('postfix' => " ESCAPE '\\'"),
-      'NOT LIKE' => array('postfix' => " ESCAPE '\\'"),
-    );
-    return isset($specials[$operator]) ? $specials[$operator] : NULL;
-  }
-
-  public function prepareQuery($query) {
-    return $this->prepare($this->prefixTables($query));
-  }
-
-  public function nextId($existing_id = 0) {
-    $transaction = $this->startTransaction();
-    // We can safely use literal queries here instead of the slower query
-    // builder because if a given database breaks here then it can simply
-    // override nextId. However, this is unlikely as we deal with short strings
-    // and integers and no known databases require special handling for those
-    // simple cases. If another transaction wants to write the same row, it will
-    // wait until this transaction commits.
-    $stmt = $this->query('UPDATE {sequences} SET value = GREATEST(value, :existing_id) + 1', array(
-      ':existing_id' => $existing_id,
-    ));
-    if (!$stmt->rowCount()) {
-      $this->query('INSERT INTO {sequences} (value) VALUES (:existing_id + 1)', array(
-        ':existing_id' => $existing_id,
-      ));
-    }
-    // The transaction gets committed when the transaction object gets destroyed
-    // because it gets out of scope.
-    return $this->query('SELECT value FROM {sequences}')->fetchField();
-  }
-
-  public function rollback($savepoint_name = 'drupal_transaction') {
-    if ($this->savepointSupport) {
-      return parent::rollBack($savepoint_name);
-    }
-
-    if (!$this->inTransaction()) {
-      throw new DatabaseTransactionNoActiveException();
-    }
-    // A previous rollback to an earlier savepoint may mean that the savepoint
-    // in question has already been rolled back.
-    if (!in_array($savepoint_name, $this->transactionLayers)) {
-      return;
-    }
-
-    // We need to find the point we're rolling back to, all other savepoints
-    // before are no longer needed.
-    while ($savepoint = array_pop($this->transactionLayers)) {
-      if ($savepoint == $savepoint_name) {
-        // Mark whole stack of transactions as needed roll back.
-        $this->willRollback = TRUE;
-        // If it is the last the transaction in the stack, then it is not a
-        // savepoint, it is the transaction itself so we will need to roll back
-        // the transaction rather than a savepoint.
-        if (empty($this->transactionLayers)) {
-          break;
-        }
-        return;
-      }
-    }
-    if ($this->supportsTransactions()) {
-      PDO::rollBack();
-    }
-  }
-
-  public function pushTransaction($name) {
-    if ($this->savepointSupport) {
-      return parent::pushTransaction($name);
-    }
-    if (!$this->supportsTransactions()) {
-      return;
-    }
-    if (isset($this->transactionLayers[$name])) {
-      throw new DatabaseTransactionNameNonUniqueException($name . " is already in use.");
-    }
-    if (!$this->inTransaction()) {
-      PDO::beginTransaction();
-    }
-    $this->transactionLayers[$name] = $name;
-  }
-
-  public function popTransaction($name) {
-    if ($this->savepointSupport) {
-      return parent::popTransaction($name);
-    }
-    if (!$this->supportsTransactions()) {
-      return;
-    }
-    if (!$this->inTransaction()) {
-      throw new DatabaseTransactionNoActiveException();
-    }
-
-    // Commit everything since SAVEPOINT $name.
-    while($savepoint = array_pop($this->transactionLayers)) {
-      if ($savepoint != $name) continue;
-
-      // If there are no more layers left then we should commit or rollback.
-      if (empty($this->transactionLayers)) {
-        // If there was any rollback() we should roll back whole transaction.
-        if ($this->willRollback) {
-          $this->willRollback = FALSE;
-          PDO::rollBack();
-        }
-        elseif (!PDO::commit()) {
-          throw new DatabaseTransactionCommitFailedException();
-        }
-      }
-      else {
-        break;
-      }
-    }
-  }
-
-}
-
-/**
- * Specific SQLite implementation of DatabaseConnection.
- *
- * See DatabaseConnection_sqlite::PDOPrepare() for reasons why we must prefetch
- * the data instead of using PDOStatement.
- *
- * @see DatabaseConnection_sqlite::PDOPrepare()
- */
-class DatabaseStatement_sqlite extends DatabaseStatementPrefetch implements Iterator, DatabaseStatementInterface {
-
-  /**
-   * SQLite specific implementation of getStatement().
-   *
-   * The PDO SQLite layer doesn't replace numeric placeholders in queries
-   * correctly, and this makes numeric expressions (such as COUNT(*) >= :count)
-   * fail. We replace numeric placeholders in the query ourselves to work
-   * around this bug.
-   *
-   * See http://bugs.php.net/bug.php?id=45259 for more details.
-   */
-  protected function getStatement($query, &$args = array()) {
-    if (count($args)) {
-      // Check if $args is a simple numeric array.
-      if (range(0, count($args) - 1) === array_keys($args)) {
-        // In that case, we have unnamed placeholders.
-        $count = 0;
-        $new_args = array();
-        foreach ($args as $value) {
-          if (is_float($value) || is_int($value)) {
-            if (is_float($value)) {
-              // Force the conversion to float so as not to loose precision
-              // in the automatic cast.
-              $value = sprintf('%F', $value);
-            }
-            $query = substr_replace($query, $value, strpos($query, '?'), 1);
-          }
-          else {
-            $placeholder = ':db_statement_placeholder_' . $count++;
-            $query = substr_replace($query, $placeholder, strpos($query, '?'), 1);
-            $new_args[$placeholder] = $value;
-          }
-        }
-        $args = $new_args;
-      }
-      else {
-        // Else, this is using named placeholders.
-        foreach ($args as $placeholder => $value) {
-          if (is_float($value) || is_int($value)) {
-            if (is_float($value)) {
-              // Force the conversion to float so as not to loose precision
-              // in the automatic cast.
-              $value = sprintf('%F', $value);
-            }
-
-            // We will remove this placeholder from the query as PDO throws an
-            // exception if the number of placeholders in the query and the
-            // arguments does not match.
-            unset($args[$placeholder]);
-            // PDO allows placeholders to not be prefixed by a colon. See
-            // http://marc.info/?l=php-internals&m=111234321827149&w=2 for
-            // more.
-            if ($placeholder[0] != ':') {
-              $placeholder = ":$placeholder";
-            }
-            // When replacing the placeholders, make sure we search for the
-            // exact placeholder. For example, if searching for
-            // ':db_placeholder_1', do not replace ':db_placeholder_11'.
-            $query = preg_replace('/' . preg_quote($placeholder) . '\b/', $value, $query);
-          }
-        }
-      }
-    }
-
-    return $this->dbh->PDOPrepare($query);
-  }
-
-  public function execute($args = array(), $options = array()) {
-    try {
-      $return = parent::execute($args, $options);
-    }
-    catch (PDOException $e) {
-      if (!empty($e->errorInfo[1]) && $e->errorInfo[1] === 17) {
-        // The schema has changed. SQLite specifies that we must resend the query.
-        $return = parent::execute($args, $options);
-      }
-      else {
-        // Rethrow the exception.
-        throw $e;
-      }
-    }
-
-    // In some weird cases, SQLite will prefix some column names by the name
-    // of the table. We post-process the data, by renaming the column names
-    // using the same convention as MySQL and PostgreSQL.
-    $rename_columns = array();
-    foreach ($this->columnNames as $k => $column) {
-      // In some SQLite versions, SELECT DISTINCT(field) will return "(field)"
-      // instead of "field".
-      if (preg_match("/^\((.*)\)$/", $column, $matches)) {
-        $rename_columns[$column] = $matches[1];
-        $this->columnNames[$k] = $matches[1];
-        $column = $matches[1];
-      }
-
-      // Remove "table." prefixes.
-      if (preg_match("/^.*\.(.*)$/", $column, $matches)) {
-        $rename_columns[$column] = $matches[1];
-        $this->columnNames[$k] = $matches[1];
-      }
-    }
-    if ($rename_columns) {
-      // DatabaseStatementPrefetch already extracted the first row,
-      // put it back into the result set.
-      if (isset($this->currentRow)) {
-        $this->data[0] = &$this->currentRow;
-      }
-
-      // Then rename all the columns across the result set.
-      foreach ($this->data as $k => $row) {
-        foreach ($rename_columns as $old_column => $new_column) {
-          $this->data[$k][$new_column] = $this->data[$k][$old_column];
-          unset($this->data[$k][$old_column]);
-        }
-      }
-
-      // Finally, extract the first row again.
-      $this->currentRow = $this->data[0];
-      unset($this->data[0]);
-    }
-
-    return $return;
-  }
-}
-
-/**
- * @} End of "ingroup database".
- */