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<?php
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<?php
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namespace PointedEars\PHPX\Db;
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namespace PointedEars\PHPX\Db;
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require_once __DIR__ . '/../global.inc';
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require_once __DIR__ . '/../global.inc';
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/**
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/**
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 * Generic database model class using PDO (PHP Data Objects)
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 * Generic database model class using PDO (PHP Data Objects)
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 *
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 *
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 * @property-read PDO $connection
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 * @property-read PDO $connection
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 *   Database connection.  Established on read access to this
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 *   Database connection.  Established on read access to this
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 *   property if not yet established.
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 *   property if not yet established.
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 * @property-read array $lastError
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 * @property-read array $lastError
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 *   Last error information of the database operation.
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 *   Last error information of the database operation.
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 *   See {@link PDOStatement::errorInfo()}.
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 *   See {@link PDOStatement::errorInfo()}.
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 * @property-read string $lastInsertId
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 * @property-read string $lastInsertId
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 *   ID of the last inserted row, or the last value from a sequence object,
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 *   ID of the last inserted row, or the last value from a sequence object,
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 *   depending on the underlying driver. May not be supported by all databases.
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 *   depending on the underlying driver. May not be supported by all databases.
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 * @property-read array $lastResult
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 * @property-read array $lastResult
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 *   Last result of the database operation
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 *   Last result of the database operation
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 * @property-read boolean $lastSuccess
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 * @property-read boolean $lastSuccess
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 *   Last success value of the database operation
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 *   Last success value of the database operation
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 * @author Thomas Lahn
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 * @author Thomas Lahn
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 */
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 */
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class Database extends \PointedEars\PHPX\AbstractModel
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class Database extends \PointedEars\PHPX\AbstractModel
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{
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{
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  /* Access properties */
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  /* Access properties */
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28
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  /**
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  /**
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   * DSN of the database
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   * DSN of the database
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   * @var string
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   * @var string
32
   */
32
   */
33
  protected $_dsn = '';
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  protected $_dsn = '';
34
34
35
  /**
35
  /**
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   * Username to access the database
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   * Username to access the database
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   * @var string
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   * @var string
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   */
38
   */
39
  protected $_username;
39
  protected $_username;
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40
41
  /**
41
  /**
42
   * Password to access the database
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   * Password to access the database
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   * @var string
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   * @var string
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   */
44
   */
45
  protected $_password;
45
  protected $_password;
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46
47
  /**
47
  /**
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   * PDO driver-specific options
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   * PDO driver-specific options
49
   * @var array
49
   * @var array
50
   */
50
   */
51
  protected $_options = array();
51
  protected $_options = array();
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52
53
  /**
53
  /**
54
   * Database-specific string to use for quoting a name or value
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   * Database-specific string to use for quoting a name or value
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   * left-hand side (for security reasons and to prevent a name
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   * left-hand side (for security reasons and to prevent a name
56
   * from being parsed as a keyword).
56
   * from being parsed as a keyword).
57
   * @var string
57
   * @var string
58
   */
58
   */
59
  protected $_leftQuote = '';
59
  protected $_leftQuote = '';
60
60
61
  /**
61
  /**
62
   * Database-specific string to use for quoting a name or value
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   * Database-specific string to use for quoting a name or value
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   * left-hand side (for security reasons and to prevent a name
63
   * left-hand side (for security reasons and to prevent a name
64
   * from being parsed as a keyword).
64
   * from being parsed as a keyword).
65
   * @var string
65
   * @var string
66
   */
66
   */
67
  protected $_rightQuote = '';
67
  protected $_rightQuote = '';
68
68
69
  /* Status properties */
69
  /* Status properties */
70
70
71
  /**
71
  /**
72
   * Database connection
72
   * Database connection
73
   * @var PDO
73
   * @var PDO
74
   */
74
   */
75
  protected $_connection;
75
  protected $_connection;
76
76
77
  /**
77
  /**
78
   * Last success value of the database operation
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   * Last success value of the database operation
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   * @var boolean
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   * @var boolean
80
   */
80
   */
81
  protected $_lastSuccess;
81
  protected $_lastSuccess;
82
82
83
  /**
83
  /**
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   * Last error information of the database operation
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   * Last error information of the database operation
85
   * @var array
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   * @var array
86
   */
86
   */
87
  protected $_lastError;
87
  protected $_lastError;
88
88
89
  /**
89
  /**
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   * Last result of the database operation
90
   * Last result of the database operation
91
   * @var array
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   * @var array
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   */
92
   */
93
  protected $_lastResult;
93
  protected $_lastResult;
94
94
95
  /**
95
  /**
96
  * ID of the last inserted row, or the last value from a sequence object,
96
  * ID of the last inserted row, or the last value from a sequence object,
97
  * depending on the underlying driver. May not be supported by all databases.
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  * depending on the underlying driver. May not be supported by all databases.
98
  * @var string
98
  * @var string
99
  */
99
  */
100
  protected $_lastInsertId = '';
100
  protected $_lastInsertId = '';
101
101
102
  /**
102
  /**
103
   * Creates a new <code>Database</code> instance.
103
   * Creates a new <code>Database</code> instance.
104
   *
104
   *
105
   * Each of the parameters is optional and can also be given
105
   * Each of the parameters is optional and can also be given
106
   * by a protected property where the parameter name is preceded
106
   * by a protected property where the parameter name is preceded
107
   * by <code>_</code>.  Parameter values overwrite the default
107
   * by <code>_</code>.  Parameter values overwrite the default
108
   * property values.  It is recommended to use default property
108
   * property values.  It is recommended to use default property
109
   * values of inheriting classes except for small applications
109
   * values of inheriting classes except for small applications
110
   * and testing purposes.
110
   * and testing purposes.
111
   *
111
   *
112
   * @param string $dsn
112
   * @param string $dsn
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   * @param string $username
113
   * @param string $username
114
   * @param string $password
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   * @param string $password
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   * @param array $options
115
   * @param array $options
116
   * @see PDO::__construct()
116
   * @see PDO::__construct()
117
   */
117
   */
118
  public function __construct ($dsn = '', $username = null,
118
  public function __construct ($dsn = '', $username = null,
119
    $password = null, array $options = array())
119
    $password = null, array $options = array())
120
  {
120
  {
121
    if ($dsn !== '')
121
    if ($dsn !== '')
122
    {
122
    {
123
      $this->_dsn = $dsn;
123
      $this->_dsn = $dsn;
124
    }
124
    }
125
125
126
    if ($username !== null)
126
    if ($username !== null)
127
    {
127
    {
128
      $this->_username = $username;
128
      $this->_username = $username;
129
    }
129
    }
130
130
131
    if ($password !== null)
131
    if ($password !== null)
132
    {
132
    {
133
      $this->_password = $password;
133
      $this->_password = $password;
134
    }
134
    }
135
135
136
    if ($options)
136
    if ($options)
137
    {
137
    {
138
      $this->_options = $options;
138
      $this->_options = $options;
139
    }
139
    }
140
  }
140
  }
141
141
142
  /**
142
  /**
143
   * Reads the connection configuration for this database
143
   * Reads the connection configuration for this database
144
   * from the configuration file, .config
144
   * from the configuration file, .config
145
   *
145
   *
146
   * There must be an INI section named "database:" followed
146
   * There must be an INI section named "database:" followed
147
   * by the value of the <code>$_dbname</code> property
147
   * by the value of the <code>$_dbname</code> property
148
   * containing keys and values for the properties of the
148
   * containing keys and values for the properties of the
149
   * <code>Database</code> instance.  Except for the key
149
   * <code>Database</code> instance.  Except for the key
150
   * <code>dbname</code>, which allows for aliases, all
150
   * <code>dbname</code>, which allows for aliases, all
151
   * keys are ignored if the corresponding properties
151
   * keys are ignored if the corresponding properties
152
   * were set.  That is, definitions in the class file
152
   * were set.  That is, definitions in the class file
153
   * override those in the configuration file.
153
   * override those in the configuration file.
154
   *
154
   *
155
   * @return array|boolean
155
   * @return array|boolean
156
   *   The configuration array if the configuration
156
   *   The configuration array if the configuration
157
   *   file could be read, <code>false</code> otherwise.
157
   *   file could be read, <code>false</code> otherwise.
158
   */
158
   */
159
  public function readConfig ()
159
  public function readConfig ()
160
  {
160
  {
161
    /* FIXME: Configuration file path should not be hardcoded */
161
    /* FIXME: Configuration file path should not be hardcoded */
162
    $config = parse_ini_file('.config', true);
162
    $config = parse_ini_file('.config', true);
163
    if ($config !== false)
163
    if ($config !== false)
164
    {
164
    {
165
      $section = 'database:' . $this->_dbname;
165
      $section = 'database:' . $this->_dbname;
166
      if (isset($config[$section]))
166
      if (isset($config[$section]))
167
      {
167
      {
168
        $dbconfig = $config[$section];
168
        $dbconfig = $config[$section];
169
        $options = array(
169
        $options = array(
170
          'host', 'port', 'dbname', 'username', 'password', 'charset'
170
          'host', 'port', 'dbname', 'username', 'password', 'charset'
171
        );
171
        );
172
172
173
        foreach ($options as $key)
173
        foreach ($options as $key)
174
        {
174
        {
175
          $property = "_$key";
175
          $property = "_$key";
176
          if (isset($dbconfig[$key])
176
          if (isset($dbconfig[$key])
177
               && ($key == 'dbname'
177
               && ($key == 'dbname'
178
                   || (property_exists($this, $property)
178
                   || (property_exists($this, $property)
179
                       && $this->$property === null)))
179
                       && $this->$property === null)))
180
          {
180
          {
181
            $this->$property = $dbconfig[$key];
181
            $this->$property = $dbconfig[$key];
182
          }
182
          }
183
        }
183
        }
184
184
185
        return $config[$section];
185
        return $config[$section];
186
      }
186
      }
187
    }
187
    }
188
188
189
    return $config;
189
    return $config;
190
  }
190
  }
191
191
192
  /**
192
  /**
193
   * @return PDO
193
   * @return PDO
194
   */
194
   */
195
  public function getConnection ()
195
  public function getConnection ()
196
  {
196
  {
197
    if ($this->_connection === null)
197
    if ($this->_connection === null)
198
    {
198
    {
199
      $this->_connection =
199
      $this->_connection =
200
        new \PDO($this->_dsn, $this->_username, $this->_password, $this->_options);
200
        new \PDO($this->_dsn, $this->_username, $this->_password, $this->_options);
201
    }
201
    }
202
202
203
    return $this->_connection;
203
    return $this->_connection;
204
  }
204
  }
205
205
206
  /**
206
  /**
207
   * Creates a database according to the specified parameters
207
   * Creates a database according to the specified parameters
208
   *
208
   *
209
   * Should be overwritten and called by inheriting classes.
209
   * Should be overwritten and called by inheriting classes.
210
   *
210
   *
211
   * @param string $dsn
211
   * @param string $dsn
212
   *   Connection DSN (required; must not include the database
212
   *   Connection DSN (required; must not include the database
213
   *   name).
213
   *   name).
214
   * @param string $username = null
214
   * @param string $username = null
215
   *   Connection username.  The default is specified by the
215
   *   Connection username.  The default is specified by the
216
   *   <code>$_username</code> property.  Note that creating
216
   *   <code>$_username</code> property.  Note that creating
217
   *   the database usually requires a user with more privileges
217
   *   the database usually requires a user with more privileges
218
   *   than the one accessing the database or its tables.
218
   *   than the one accessing the database or its tables.
219
   * @param string $password = null
219
   * @param string $password = null
220
   *   Connection password.  The default is specified by the
220
   *   Connection password.  The default is specified by the
221
   *   <code>$_password</code> property.
221
   *   <code>$_password</code> property.
222
   * @param array? $options = null
222
   * @param array? $options = null
223
   *   Connection options.  The default is specified by the
223
   *   Connection options.  The default is specified by the
224
   *   <code>$_options</code> property.
224
   *   <code>$_options</code> property.
225
   * @param string $spec = null
225
   * @param string $spec = null
226
   *   Additional database specifications, like character encoding
226
   *   Additional database specifications, like character encoding
227
   *   and collation.
227
   *   and collation.
228
   * @param boolean $force = false
228
   * @param boolean $force = false
229
   *   If a true-value, the database will be attempted to be
229
   *   If a true-value, the database will be attempted to be
230
   *   created even if there is a database of the name specified
230
   *   created even if there is a database of the name specified
231
   *   by the <code>$_dbname</code> property.
231
   *   by the <code>$_dbname</code> property.
232
   * @return int
232
   * @return int
233
   *   The number of rows affected by the CREATE DATABASE statement.
233
   *   The number of rows affected by the CREATE DATABASE statement.
234
   * @see PDO::__construct()
234
   * @see PDO::__construct()
235
   * @see PDO::exec()
235
   * @see PDO::exec()
236
   */
236
   */
237
  public function create ($dsn, $username = null, $password = null,
237
  public function create ($dsn, $username = null, $password = null,
238
    array $options = null, $dbspec = null, $force = false)
238
    array $options = null, $dbspec = null, $force = false)
239
  {
239
  {
240
    $connection = new \PDO($dsn,
240
    $connection = new \PDO($dsn,
241
      $username !== null ? $username : $this->_username,
241
      $username !== null ? $username : $this->_username,
242
      $password !== null ? $password : $this->_password,
242
      $password !== null ? $password : $this->_password,
243
      $options !== null ? $options : $this->_options);
243
      $options !== null ? $options : $this->_options);
244
244
245
    $query = 'CREATE DATABASE'
245
    $query = 'CREATE DATABASE'
246
           . (!$force ? ' IF NOT EXISTS' : '')
246
           . (!$force ? ' IF NOT EXISTS' : '')
247
           . ' ' . $this->escapeName($this->_dbname)
247
           . ' ' . $this->escapeName($this->_dbname)
248
           . ($dbspec ? ' ' . $dbspec : '');
248
           . ($dbspec ? ' ' . $dbspec : '');
249
249
250
    return $connection->exec($query);
250
    return $connection->exec($query);
251
  }
251
  }
252
252
253
  /**
253
  /**
254
   * Maps column meta-information to a column definition.
254
   * Maps column meta-information to a column definition.
255
   *
255
   *
256
   * Should be overwritten and called by inheriting classes.
256
   * Should be overwritten and called by inheriting classes.
257
   *
257
   *
258
   * @todo
258
   * @todo
259
   * @param array $value
259
   * @param array $value
260
   * @param string $column_name
260
   * @param string $column_name
261
   * @return string
261
   * @return string
262
   */
262
   */
263
  protected function _columnDef (array $data, $column_name)
263
  protected function _columnDef (array $data, $column_name)
264
  {
264
  {
265
    $def = (isset($data['unsigned']) && $data['unsigned'] ? 'UNSIGNED ' : '')
265
    $def = (isset($data['unsigned']) && $data['unsigned'] ? 'UNSIGNED ' : '')
266
         . $data['type']
266
         . $data['type']
267
         . (isset($data['not_null']) && $data['not_null'] ? ' NOT NULL'                     : ' NULL')
267
         . (isset($data['not_null']) && $data['not_null'] ? ' NOT NULL'                     : ' NULL')
268
         . (isset($data['default'])  && $data['default']  ? " DEFAULT {$data['default']}"   : '')
268
         . (isset($data['default'])  && $data['default']  ? " DEFAULT {$data['default']}"   : '')
269
         . (isset($data['auto_inc']) && $data['auto_inc'] ? ' AUTO_INCREMENT'               : '')
269
         . (isset($data['auto_inc']) && $data['auto_inc'] ? ' AUTO_INCREMENT'               : '')
270
         . (isset($data['unique'])   && $data['unique']   ? ' UNIQUE KEY'                   : '')
270
         . (isset($data['unique'])   && $data['unique']   ? ' UNIQUE KEY'                   : '')
271
         . (isset($data['primary'])  && $data['primary']  ? ' PRIMARY KEY'                  : '')
271
         . (isset($data['primary'])  && $data['primary']  ? ' PRIMARY KEY'                  : '')
272
         . (isset($data['comment'])  && $data['comment']  ? " COMMENT '{$data['comment']}'" : '');
272
         . (isset($data['comment'])  && $data['comment']  ? " COMMENT '{$data['comment']}'" : '');
273
273
274
    return $this->escapeName($column_name) . ' ' . $def;
274
    return $this->escapeName($column_name) . ' ' . $def;
275
  }
275
  }
276
276
277
  /**
277
  /**
278
   * Creates a database table according to the specified parameters
278
   * Creates a database table according to the specified parameters
279
   *
279
   *
280
   * @todo
280
   * @todo
281
   * @param string $name
281
   * @param string $name
282
   * @param array $columns
282
   * @param array $columns
283
   * @param array $options = null
283
   * @param array $options = null
284
   * @return bool
284
   * @return bool
285
   * @see PDOStatement::execute()
285
   * @see PDOStatement::execute()
286
   */
286
   */
287
  public function createTable ($name, array $columns, array $options = null)
287
  public function createTable ($name, array $columns, array $options = null)
288
  {
288
  {
289
    $class = \get_class($this);
289
    $class = \get_class($this);
290
    $query = 'CREATE TABLE '
290
    $query = 'CREATE TABLE '
291
      . $this->escapeName($name)
291
      . $this->escapeName($name)
292
      . '('
292
      . '('
293
      . array_map(array($this, '_columnDef'), $columns, array_keys($columns)) . ')';
293
      . array_map(array($this, '_columnDef'), $columns, array_keys($columns)) . ')';
294
294
295
    $stmt = $this->prepare($query);
295
    $stmt = $this->prepare($query);
296
296
297
    /* DEBUG */
297
    /* DEBUG */
298
    if (defined('DEBUG') && DEBUG > 1)
298
    if (defined('DEBUG') && DEBUG > 1)
299
    {
299
    {
300
      debug(array(
300
      debug(array(
301
        'query'  => $query,
301
        'query'  => $query,
302
      ));
302
      ));
303
    }
303
    }
304
304
305
    $success =& $this->_lastSuccess;
305
    $success =& $this->_lastSuccess;
306
    $success =  $stmt->execute();
306
    $success =  $stmt->execute();
307
307
308
    $errorInfo =& $this->_lastError;
308
    $errorInfo =& $this->_lastError;
309
    $errorInfo =  $stmt->errorInfo();
309
    $errorInfo =  $stmt->errorInfo();
310
310
311
    $this->_resetLastInsertId();
311
    $this->_resetLastInsertId();
312
312
313
    $result =& $this->_lastResult;
313
    $result =& $this->_lastResult;
314
    $result =  $stmt->fetchAll();
314
    $result =  $stmt->fetchAll();
315
315
316
    if (defined('DEBUG') && DEBUG > 1)
316
    if (defined('DEBUG') && DEBUG > 1)
317
    {
317
    {
318
      debug(array(
318
      debug(array(
319
        '_lastSuccess' => $success,
319
        '_lastSuccess' => $success,
320
        '_lastError'    => $errorInfo,
320
        '_lastError'    => $errorInfo,
321
        '_lastResult'  => $result
321
        '_lastResult'  => $result
322
      ));
322
      ));
323
    }
323
    }
324
324
325
    return $success;
325
    return $success;
326
  }
326
  }
327
327
328
  /**
328
  /**
329
   * Initiates a transaction
329
   * Initiates a transaction
330
   *
330
   *
331
   * @return bool
331
   * @return bool
332
   * @see PDO::beginTransaction()
332
   * @see PDO::beginTransaction()
333
   */
333
   */
334
  public function beginTransaction()
334
  public function beginTransaction()
335
  {
335
  {
336
    return $this->connection->beginTransaction();
336
    return $this->connection->beginTransaction();
337
  }
337
  }
338
338
339
  /**
339
  /**
340
   * Rolls back a transaction
340
   * Rolls back a transaction
341
   *
341
   *
342
   * @return bool
342
   * @return bool
343
   * @see PDO::rollBack()
343
   * @see PDO::rollBack()
344
   */
344
   */
345
  public function rollBack()
345
  public function rollBack()
346
  {
346
  {
347
    return $this->connection->rollBack();
347
    return $this->connection->rollBack();
348
  }
348
  }
349
349
350
  /**
350
  /**
351
   * Commits a transaction
351
   * Commits a transaction
352
   *
352
   *
353
   * @return bool
353
   * @return bool
354
   * @see PDO::commit()
354
   * @see PDO::commit()
355
   */
355
   */
356
  public function commit()
356
  public function commit()
357
  {
357
  {
358
    return $this->connection->commit();
358
    return $this->connection->commit();
359
  }
359
  }
360
360
361
  /**
361
  /**
362
   * Prepares a statement for execution with the database
362
   * Prepares a statement for execution with the database
363
   * @param string $query
363
   * @param string $query
364
   */
364
   */
365
  public function prepare($query, array $driver_options = array())
365
  public function prepare($query, array $driver_options = array())
366
  {
366
  {
367
    return $this->connection->prepare($query, $driver_options);
367
    return $this->connection->prepare($query, $driver_options);
368
  }
368
  }
369
369
370
  /**
370
  /**
371
   * Returns the ID of the last inserted row, or the last value from
371
   * Returns the ID of the last inserted row, or the last value from
372
   * a sequence object, depending on the underlying driver.
372
   * a sequence object, depending on the underlying driver.
373
   *
373
   *
374
   * @return int
374
   * @return int
375
   */
375
   */
376
  public function getLastInsertId()
376
  public function getLastInsertId()
377
  {
377
  {
378
    return $this->_lastInsertId;
378
    return $this->_lastInsertId;
379
  }
379
  }
380
380
381
  /**
381
  /**
382
   * Returns the date of last modification of this database or
382
   * Returns the date of last modification of this database or
383
   * one of its tables.
383
   * one of its tables.
384
   *
384
   *
385
   * To be overridden by inheriting classes.
385
   * To be overridden by inheriting classes.
386
   *
386
   *
387
   * @param string $table (optional)
387
   * @param string $table (optional)
388
   *   Table name.  If not provided, all tables of this database
388
   *   Table name.  If not provided, all tables of this database
389
   *   are considered.
389
   *   are considered.
390
   * @return int|null
390
   * @return int|null
391
   *   Timestamp of last modification, or <code>null</code> if
391
   *   Timestamp of last modification, or <code>null</code> if
392
   *   unavailable.
392
   *   unavailable.
393
   */
393
   */
394
  public function getLastModified ($table = null)
394
  public function getLastModified ($table = null)
395
  {
395
  {
396
    return null;
396
    return null;
397
  }
397
  }
398
398
399
  /**
399
  /**
400
   * Escapes a database name so that it can be used in a query.
400
   * Escapes a database name so that it can be used in a query.
401
   *
401
   *
402
   * @param string $name
402
   * @param string $name
403
   *   The name to be escaped
403
   *   The name to be escaped
404
   * @return string
404
   * @return string
405
   *   The escaped name
405
   *   The escaped name
406
   */
406
   */
407
  public function escapeName($name)
407
  public function escapeName($name)
408
  {
408
  {
409
    return $this->_leftQuote . $name . $this->_rightQuote;
409
    return $this->_leftQuote . $name . $this->_rightQuote;
410
  }
410
  }
411
411
412
  /**
412
  /**
413
   * Determines if an array is associative (has not all integer keys).
413
   * Determines if an array is associative (has not all integer keys).
414
   *
414
   *
415
   * @author
415
   * @author
416
   *   Algorithm courtesy of squirrel, <http://stackoverflow.com/a/5969617/855543>.
416
   *   Algorithm courtesy of squirrel, <http://stackoverflow.com/a/5969617/855543>.
417
   * @param array $a
417
   * @param array $a
418
   * @return boolean
418
   * @return boolean
419
   *   <code>true</code> if <var>$a</var> is associative,
419
   *   <code>true</code> if <var>$a</var> is associative,
420
   *   <code>false</code> otherwise
420
   *   <code>false</code> otherwise
421
   */
421
   */
422
  protected function _isAssociativeArray(array $a)
422
  protected function _isAssociativeArray(array $a)
423
  {
423
  {
424
    for (reset($a); is_int(key($a)); next($a));
424
    for (reset($a); is_int(key($a)); next($a));
425
    return !is_null(key($a));
425
    return !is_null(key($a));
426
  }
426
  }
427
427
428
  /**
428
  /**
429
   * Escapes an associative array so that its string representation can be used
429
   * Escapes an associative array so that its string representation can be used
430
   * as list with table or column aliases in a query.
430
   * as list with table or column aliases in a query.
431
   *
431
   *
432
   * This method does not actually escape anything; it only inserts the
432
   * This method does not actually escape anything; it only inserts the
433
   * 'AS' keyword.  It should be overridden by inheriting methods.
433
   * 'AS' keyword.  It should be overridden by inheriting methods.
434
   *
434
   *
435
   * NOTE: This method intentionally does not check whether the array actually
435
   * NOTE: This method intentionally does not check whether the array actually
436
   * is associative.
436
   * is associative.
437
   *
437
   *
438
   * @param array &$array
438
   * @param array &$array
439
   *   The array to be escaped
439
   *   The array to be escaped
440
   * @return array
440
   * @return array
441
   *   The escaped array
441
   *   The escaped array
442
   */
442
   */
443
  protected function _escapeAliasArray(array &$array)
443
  protected function _escapeAliasArray(array &$array)
444
  {
444
  {
445
    foreach ($array as $column => &$value)
445
    foreach ($array as $column => &$value)
446
    {
446
    {
447
      $quotedColumn = $column;
447
      $quotedColumn = $column;
448
      if (strpos($column, $this->_leftQuote) === false
448
      if (strpos($column, $this->_leftQuote) === false
449
         && strpos($column, $this->_rightQuote) === false)
449
         && strpos($column, $this->_rightQuote) === false)
450
      {
450
      {
451
        $quotedColumn = $this->_leftQuote . $column . $this->_rightQuote;
451
        $quotedColumn = $this->_leftQuote . $column . $this->_rightQuote;
452
      }
452
      }
453
453
454
      $value = $value . ' AS ' . $quotedColumn;
454
      $value = $value . ' AS ' . $quotedColumn;
455
    }
455
    }
456
456
457
    return $array;
457
    return $array;
458
  }
458
  }
459
459
460
  /**
460
  /**
461
   * @param array $a
461
   * @param array $a
462
   * @param string $prefix
462
   * @param string $prefix
463
   */
463
   */
464
  private static function _expand(array $a, $prefix)
464
  private static function _expand(array $a, $prefix)
465
  {
465
  {
466
    $a2 = array();
466
    $a2 = array();
467
467
468
    foreach ($a as $key => $value)
468
    foreach ($a as $key => $value)
469
    {
469
    {
470
      $a2[] = ':' . $prefix . ($key + 1);
470
      $a2[] = ':' . $prefix . ($key + 1);
471
    }
471
    }
472
472
473
    return $a2;
473
    return $a2;
474
  }
474
  }
475
475
476
  /**
476
  /**
477
   * Escapes an associative array so that its string representation can be used
477
   * Escapes an associative array so that its string representation can be used
478
   * as value list in a query.
478
   * as value list in a query.
479
   *
479
   *
480
   * This method should be overridden by inheriting classes to escape
480
   * This method should be overridden by inheriting classes to escape
481
   * column names as fitting for the database schema they support.  It is
481
   * column names as fitting for the database schema they support.  It is
482
   * strongly recommended that the overriding methods call this method with
482
   * strongly recommended that the overriding methods call this method with
483
   * an appropriate <var>$escape</var> parameter, pass all other parameters
483
   * an appropriate <var>$escape</var> parameter, pass all other parameters
484
   * on unchanged, and return its return value.
484
   * on unchanged, and return its return value.
485
   *
485
   *
486
   * NOTE: Intentionally does not check whether the array actually is associative!
486
   * NOTE: Intentionally does not check whether the array actually is associative!
487
   *
487
   *
488
   * @param array &$array
488
   * @param array &$array
489
   *   The array to be escaped
489
   *   The array to be escaped
490
   * @param string $suffix
490
   * @param string $suffix
491
   *   The string to be appended to the column name for the value placeholder.
491
   *   The string to be appended to the column name for the value placeholder.
492
   *   The default is the empty string.
492
   *   The default is the empty string.
493
   * @param array $escape
493
   * @param array $escape
494
   *   The strings to use left-hand side (index 0) and right-hand side (index 1)
494
   *   The strings to use left-hand side (index 0) and right-hand side (index 1)
495
   *   of the column name.  The default is the empty string, respectively.
495
   *   of the column name.  The default is the empty string, respectively.
496
   * @return array
496
   * @return array
497
   *   The escaped array
497
   *   The escaped array
498
   */
498
   */
499
  protected function _escapeValueArray(array &$array, $suffix = '')
499
  protected function _escapeValueArray(array &$array, $suffix = '')
500
  {
500
  {
501
    $result = array();
501
    $result = array();
502
    foreach ($array as $column => $value)
502
    foreach ($array as $column => $value)
503
    {
503
    {
504
      $op = '=';
504
      $op = '=';
505
      $placeholder = ":{$column}";
505
      $placeholder = ":{$column}";
506
506
507
      if (is_array($value) && $this->_isAssociativeArray($value))
507
      if (is_array($value) && $this->_isAssociativeArray($value))
508
      {
508
      {
509
        reset($value);
509
        reset($value);
510
        $op = ' ' . key($value) . ' ';
510
        $op = ' ' . key($value) . ' ';
511
511
512
        $value = $value[key($value)];
512
        $value = $value[key($value)];
513
      }
513
      }
514
514
515
      if (is_array($value))
515
      if (is_array($value))
516
      {
516
      {
517
        $placeholder = '(' . implode(', ', self::_expand($value, $column)) . ')';
517
        $placeholder = '(' . implode(', ', self::_expand($value, $column)) . ')';
518
      }
518
      }
519
519
520
      $result[] = $this->_leftQuote . $column . $this->_rightQuote . "{$op}{$placeholder}{$suffix}";
520
      $result[] = $this->_leftQuote . $column . $this->_rightQuote . "{$op}{$placeholder}{$suffix}";
521
    }
521
    }
522
522
523
    return $result;
523
    return $result;
524
  }
524
  }
525
525
526
  /**
526
  /**
527
   * Constructs the WHERE part of a query
527
   * Constructs the WHERE part of a query
528
   *
528
   *
529
   * @param string|array $where
529
   * @param string|array $where
530
   *   Condition
530
   *   Condition
531
   * @param string $suffix
531
   * @param string $suffix
532
   *   The string to be appended to the column name for the value placeholder,
532
   *   The string to be appended to the column name for the value placeholder,
533
   *   passed on to {@link Database::_escapeValueArray()}.  The default is
533
   *   passed on to {@link Database::_escapeValueArray()}.  The default is
534
   *   the empty string.
534
   *   the empty string.
535
   * @return string
535
   * @return string
536
   * @see Database::_escapeValueArray()
536
   * @see Database::_escapeValueArray()
537
   */
537
   */
538
  protected function _where($where, $suffix = '')
538
  protected function _where($where, $suffix = '')
539
  {
539
  {
540
    if (!is_null($where))
540
    if (!is_null($where))
541
    {
541
    {
542
      if (is_array($where))
542
      if (is_array($where))
543
      {
543
      {
544
        if (count($where) < 1)
544
        if (count($where) < 1)
545
        {
545
        {
546
          return '';
546
          return '';
547
        }
547
        }
548
548
549
        if ($this->_isAssociativeArray($where))
549
        if ($this->_isAssociativeArray($where))
550
        {
550
        {
551
          $where = $this->_escapeValueArray($where, $suffix);
551
          $where = $this->_escapeValueArray($where, $suffix);
552
        }
552
        }
553
553
554
        $where = '(' . implode(') AND (', $where) . ')';
554
        $where = '(' . implode(') AND (', $where) . ')';
555
      }
555
      }
556
556
557
      return ' WHERE ' . $where;
557
      return ' WHERE ' . $where;
558
    }
558
    }
559
559
560
    return '';
560
    return '';
561
  }
561
  }
562
562
563
  /**
563
  /**
564
   * Selects data from one or more tables; the resulting records are stored
564
   * Selects data from one or more tables; the resulting records are stored
565
   * in the <code>result</code> property and returned as an associative array,
565
   * in the <code>result</code> property and returned as an associative array,
566
   * where the keys are the column (alias) names.
566
   * where the keys are the column (alias) names.
567
   *
567
   *
568
   * @param string|array[string] $tables Table(s) to select from
568
   * @param string|array[string] $tables Table(s) to select from
569
   * @param string|array[string] $columns Column(s) to select from (optional)
569
   * @param string|array[string] $columns Column(s) to select from (optional)
570
   * @param string|array $where Condition (optional)
570
   * @param string|array $where Condition (optional)
571
   * @param string $order Sort order (optional)
571
   * @param string $order Sort order (optional)
572
   *   If provided, MUST start with ORDER BY or GROUP BY
572
   *   If provided, MUST start with ORDER BY or GROUP BY
573
   * @param string $limit Limit (optional)
573
   * @param string $limit Limit (optional)
574
   * @param int $fetch_style
574
   * @param int $fetch_style
575
   *   The mode that should be used for {@link PDOStatement::fetchAll()}.
575
   *   The mode that should be used for {@link PDOStatement::fetchAll()}.
576
   *   The default is {@link PDO::FETCH_ASSOC}.
576
   *   The default is {@link PDO::FETCH_ASSOC}.
-
 
577
   * @param bool $fetchAll
-
 
578
   *   If <code>true</code> (default), fetches all rows at once.
-
 
579
   *   You can set this to <code>false</code> in case of memory problems,
-
 
580
   *   in which case this function will return the prepared
-
 
581
   *   {@link PDOStatement} instead of the result array.  You can then use
-
 
582
   *   {@link PDOStatement::fetch()} to get the returned rows iteratively.
-
 
583
   *   <var>fetch_style</var> will be ignored then, so that you can safely
-
 
584
   *   pass <code>null</code>, for example.
577
   * @return array
585
   * @return array|PDOStatement
578
   * @see Database::prepare()
586
   * @see Database::prepare()
579
   * @see PDOStatement::fetchAll()
587
   * @see PDOStatement::fetchAll()
580
   */
588
   */
581
  public function select($tables, $columns = null, $where = null,
589
  public function select($tables, $columns = null, $where = null,
582
    $order = null, $limit = null, $fetch_style = \PDO::FETCH_ASSOC)
590
    $order = null, $limit = null, $fetch_style = \PDO::FETCH_ASSOC,
-
 
591
    $fetchAll = true)
583
  {
592
  {
584
    if (is_null($columns))
593
    if (is_null($columns))
585
    {
594
    {
586
      $columns = array('*');
595
      $columns = array('*');
587
    }
596
    }
588
597
589
    if (is_array($columns))
598
    if (is_array($columns))
590
    {
599
    {
591
      if ($this->_isAssociativeArray($columns))
600
      if ($this->_isAssociativeArray($columns))
592
      {
601
      {
593
        $columns = $this->_escapeAliasArray($columns);
602
        $columns = $this->_escapeAliasArray($columns);
594
      }
603
      }
595
604
596
      $columns = implode(', ', $columns);
605
      $columns = implode(', ', $columns);
597
    }
606
    }
598
607
599
    if (is_array($tables))
608
    if (is_array($tables))
600
    {
609
    {
601
      if ($this->_isAssociativeArray($columns))
610
      if ($this->_isAssociativeArray($columns))
602
      {
611
      {
603
        $columns = $this->_escapeAliasArray($columns);
612
        $columns = $this->_escapeAliasArray($columns);
604
      }
613
      }
605
614
606
      $tables = implode(', ', $tables);
615
      $tables = implode(', ', $tables);
607
    }
616
    }
608
617
609
    $query = "SELECT {$columns} FROM {$tables}" . $this->_where($where);
618
    $query = "SELECT {$columns} FROM {$tables}" . $this->_where($where);
610
619
611
    if (!is_null($order))
620
    if (!is_null($order))
612
    {
621
    {
613
      if (is_array($order))
622
      if (is_array($order))
614
      {
623
      {
615
        $order = 'ORDER BY ' . implode(', ', $order);
624
        $order = 'ORDER BY ' . implode(', ', $order);
616
      }
625
      }
617
626
618
      $query .= " $order";
627
      $query .= " $order";
619
    }
628
    }
620
629
621
    if (!is_null($limit))
630
    if (!is_null($limit))
622
    {
631
    {
623
      $query .= " LIMIT $limit";
632
      $query .= " LIMIT $limit";
624
    }
633
    }
625
634
-
 
635
    $stmt = ($fetchAll
626
    $stmt = $this->prepare($query);
636
      ? $this->prepare($query)
-
 
637
      : $this->prepare($query, array(\PDO::ATTR_CURSOR => \PDO::CURSOR_SCROLL)));
627
638
628
    $params = array();
639
    $params = array();
629
640
630
    if (is_array($where) && $this->_isAssociativeArray($where))
641
    if (is_array($where) && $this->_isAssociativeArray($where))
631
    {
642
    {
632
      /* FIXME: Export and reuse this */
643
      /* FIXME: Export and reuse this */
633
      foreach ($where as $column => $condition)
644
      foreach ($where as $column => $condition)
634
      {
645
      {
635
        /* TODO: Also handle function calls as keys */
646
        /* TODO: Also handle function calls as keys */
636
        if (is_array($condition) && $this->_isAssociativeArray($condition))
647
        if (is_array($condition) && $this->_isAssociativeArray($condition))
637
        {
648
        {
638
          reset($condition);
649
          reset($condition);
639
          $condition = $condition[key($condition)];
650
          $condition = $condition[key($condition)];
640
651
641
          if (is_array($condition))
652
          if (is_array($condition))
642
          {
653
          {
643
            foreach (self::_expand($condition, $column) as $param_index => $param_name)
654
            foreach (self::_expand($condition, $column) as $param_index => $param_name)
644
            {
655
            {
645
              $params[$param_name] = $condition[$param_index];
656
              $params[$param_name] = $condition[$param_index];
646
            }
657
            }
647
          }
658
          }
648
        }
659
        }
649
        else
660
        else
650
        {
661
        {
651
          $params[":{$column}"] = $condition;
662
          $params[":{$column}"] = $condition;
652
        }
663
        }
653
      }
664
      }
654
    }
665
    }
655
666
656
    /* DEBUG */
667
    /* DEBUG */
657
    if (defined('DEBUG') && DEBUG > 1)
668
    if (defined('DEBUG') && DEBUG > 1)
658
    {
669
    {
659
      debug(array(
670
      debug(array(
660
        'query'  => $query,
671
        'query'  => $query,
661
        'params' => $params
672
        'params' => $params
662
      ));
673
      ));
663
    }
674
    }
664
675
665
    $success =& $this->_lastSuccess;
676
    $success =& $this->_lastSuccess;
666
    $success =  $stmt->execute($params);
677
    $success =  $stmt->execute($params);
667
678
668
    $errorInfo =& $this->_lastError;
679
    $errorInfo =& $this->_lastError;
669
    $errorInfo =  $stmt->errorInfo();
680
    $errorInfo =  $stmt->errorInfo();
670
681
671
    $result =& $this->_lastResult;
682
    $result =& $this->_lastResult;
-
 
683
-
 
684
    if ($fetchAll)
-
 
685
    {
672
    $result =  $stmt->fetchAll($fetch_style);
686
      $result = $stmt->fetchAll($fetch_style);
-
 
687
    }
-
 
688
    else
-
 
689
    {
-
 
690
      $result = $stmt;
-
 
691
    }
673
692
674
    if (defined('DEBUG') && DEBUG > 1)
693
    if (defined('DEBUG') && DEBUG > 1)
675
    {
694
    {
676
      debug(array(
695
      debug(array(
677
        '_lastSuccess' => $success,
696
        '_lastSuccess' => $success,
678
        '_lastError'   => $errorInfo,
697
        '_lastError'   => $errorInfo,
679
        '_lastResult'  => $result
698
        '_lastResult'  => $result
680
      ));
699
      ));
681
    }
700
    }
682
701
683
    return $result;
702
    return $result;
684
  }
703
  }
685
704
686
  /**
705
  /**
687
   * Sets and returns the ID of the last inserted row, or the last value from
706
   * Sets and returns the ID of the last inserted row, or the last value from
688
   * a sequence object, depending on the underlying driver.
707
   * a sequence object, depending on the underlying driver.
689
   *
708
   *
690
   * @param string $name
709
   * @param string $name
691
   *   Name of the sequence object from which the ID should be returned.
710
   *   Name of the sequence object from which the ID should be returned.
692
   * @return string
711
   * @return string
693
   */
712
   */
694
  protected function _setLastInsertId($name = null)
713
  protected function _setLastInsertId($name = null)
695
  {
714
  {
696
    return ($this->_lastInsertId = $this->connection->lastInsertId($name));
715
    return ($this->_lastInsertId = $this->connection->lastInsertId($name));
697
  }
716
  }
698
717
699
  /**
718
  /**
700
   * Resets the the ID of the last inserted row, or the last value from
719
   * Resets the the ID of the last inserted row, or the last value from
701
   * a sequence object, depending on the underlying driver.
720
   * a sequence object, depending on the underlying driver.
702
   *
721
   *
703
   * @return string
722
   * @return string
704
   *   The default value
723
   *   The default value
705
   */
724
   */
706
  protected function _resetLastInsertId()
725
  protected function _resetLastInsertId()
707
  {
726
  {
708
    return ($this->_lastInsertId = '');
727
    return ($this->_lastInsertId = '');
709
  }
728
  }
710
729
711
  /**
730
  /**
712
   * Updates one or more records
731
   * Updates one or more records
713
   *
732
   *
714
   * @param string|array $tables
733
   * @param string|array $tables
715
   *   Table name
734
   *   Table name
716
   * @param array $updates
735
   * @param array $updates
717
   *   Associative array of column-value pairs
736
   *   Associative array of column-value pairs
718
   * @param array|string $where
737
   * @param array|string $where
719
   *   Only the records matching this condition are updated
738
   *   Only the records matching this condition are updated
720
   * @return bool
739
   * @return bool
721
   * @see PDOStatement::execute()
740
   * @see PDOStatement::execute()
722
   */
741
   */
723
  public function update ($tables, array $updates, $where = null)
742
  public function update ($tables, array $updates, $where = null)
724
  {
743
  {
725
    if (!$tables)
744
    if (!$tables)
726
    {
745
    {
727
      throw new InvalidArgumentException('No table specified');
746
      throw new InvalidArgumentException('No table specified');
728
    }
747
    }
729
748
730
    if (is_array($tables))
749
    if (is_array($tables))
731
    {
750
    {
732
      $tables = implode(', ', $tables);
751
      $tables = implode(', ', $tables);
733
    }
752
    }
734
753
735
    if (!$updates)
754
    if (!$updates)
736
    {
755
    {
737
      throw new InvalidArgumentException('No values specified');
756
      throw new InvalidArgumentException('No values specified');
738
    }
757
    }
739
758
740
    $params = array();
759
    $params = array();
741
760
742
    if ($this->_isAssociativeArray($updates))
761
    if ($this->_isAssociativeArray($updates))
743
    {
762
    {
744
      foreach ($updates as $key => $condition)
763
      foreach ($updates as $key => $condition)
745
      {
764
      {
746
        $params[":{$key}"] = $condition;
765
        $params[":{$key}"] = $condition;
747
      }
766
      }
748
    }
767
    }
749
768
750
    $updates = implode(', ', $this->_escapeValueArray($updates));
769
    $updates = implode(', ', $this->_escapeValueArray($updates));
751
770
752
    /* TODO: Should escape table names with escapeName(), but what about aliases? */
771
    /* TODO: Should escape table names with escapeName(), but what about aliases? */
753
    $query = "UPDATE {$tables} SET {$updates}" . $this->_where($where, '2');
772
    $query = "UPDATE {$tables} SET {$updates}" . $this->_where($where, '2');
754
773
755
    $stmt = $this->prepare($query);
774
    $stmt = $this->prepare($query);
756
775
757
    if (is_array($where) && $this->_isAssociativeArray($where))
776
    if (is_array($where) && $this->_isAssociativeArray($where))
758
    {
777
    {
759
      foreach ($where as $column => $condition)
778
      foreach ($where as $column => $condition)
760
      {
779
      {
761
        if (is_array($condition) && $this->_isAssociativeArray($condition))
780
        if (is_array($condition) && $this->_isAssociativeArray($condition))
762
        {
781
        {
763
          reset($condition);
782
          reset($condition);
764
          $condition = $condition[key($condition)];
783
          $condition = $condition[key($condition)];
765
784
766
          if (is_array($condition))
785
          if (is_array($condition))
767
          {
786
          {
768
            foreach (self::_expand($condition, $column) as $param_index => $param_name)
787
            foreach (self::_expand($condition, $column) as $param_index => $param_name)
769
            {
788
            {
770
              $params[$param_name] = $condition[$param_index];
789
              $params[$param_name] = $condition[$param_index];
771
            }
790
            }
772
          }
791
          }
773
        }
792
        }
774
        else
793
        else
775
        {
794
        {
776
          $params[":{$column}2"] = $condition;
795
          $params[":{$column}2"] = $condition;
777
        }
796
        }
778
      }
797
      }
779
    }
798
    }
780
799
781
    /* DEBUG */
800
    /* DEBUG */
782
    if (defined('DEBUG') && DEBUG > 1)
801
    if (defined('DEBUG') && DEBUG > 1)
783
    {
802
    {
784
      debug(array(
803
      debug(array(
785
        'query'  => $query,
804
        'query'  => $query,
786
        'params' => $params
805
        'params' => $params
787
      ));
806
      ));
788
    }
807
    }
789
808
790
    $success =& $this->_lastSuccess;
809
    $success =& $this->_lastSuccess;
791
    $success =  $stmt->execute($params);
810
    $success =  $stmt->execute($params);
792
811
793
    $errorInfo =& $this->_lastError;
812
    $errorInfo =& $this->_lastError;
794
    $errorInfo =  $stmt->errorInfo();
813
    $errorInfo =  $stmt->errorInfo();
795
814
796
    $this->_resetLastInsertId();
815
    $this->_resetLastInsertId();
797
816
798
    $result =& $this->_lastResult;
817
    $result =& $this->_lastResult;
799
    $result =  $stmt->fetchAll();
818
    $result =  $stmt->fetchAll();
800
819
801
    if (defined('DEBUG') && DEBUG > 1)
820
    if (defined('DEBUG') && DEBUG > 1)
802
    {
821
    {
803
      debug(array(
822
      debug(array(
804
        '_lastSuccess' => $success,
823
        '_lastSuccess' => $success,
805
        '_lastError'    => $errorInfo,
824
        '_lastError'    => $errorInfo,
806
        '_lastResult'  => $result
825
        '_lastResult'  => $result
807
      ));
826
      ));
808
    }
827
    }
809
828
810
    return $success;
829
    return $success;
811
  }
830
  }
812
831
813
  /**
832
  /**
814
   * Inserts a record into a table.<p>The AUTO_INCREMENT value of the inserted
833
   * Inserts a record into a table.<p>The AUTO_INCREMENT value of the inserted
815
   * row, if any (> 0), is stored in the {@link $lastInsertId} property of
834
   * row, if any (> 0), is stored in the {@link $lastInsertId} property of
816
   * the <code>Database</code> instance.</p>
835
   * the <code>Database</code> instance.</p>
817
   *
836
   *
818
   * @param string $table
837
   * @param string $table
819
   *   Table name
838
   *   Table name
820
   * @param array|string $values
839
   * @param array|string $values
821
   *   Associative array of column-value pairs, indexed array,
840
   *   Associative array of column-value pairs, indexed array,
822
   *   or comma-separated list of values.  If <var>$values</var> is not
841
   *   or comma-separated list of values.  If <var>$values</var> is not
823
   *   an associative array, <var>$cols</var> must be passed if the
842
   *   an associative array, <var>$cols</var> must be passed if the
824
   *   values are not in column order (see below).
843
   *   values are not in column order (see below).
825
   * @param array|string $cols
844
   * @param array|string $cols
826
   *   Indexed array, or comma-separated list of column names.
845
   *   Indexed array, or comma-separated list of column names.
827
   *   Needs only be passed if <var>$values</var> is not an associative array
846
   *   Needs only be passed if <var>$values</var> is not an associative array
828
   *   and the values are not in column order (default: <code>null</code>);
847
   *   and the values are not in column order (default: <code>null</code>);
829
   *   is ignored otherwise.  <strong>You SHOULD NOT rely on column order.</strong>
848
   *   is ignored otherwise.  <strong>You SHOULD NOT rely on column order.</strong>
830
   * @return bool
849
   * @return bool
831
   * @see PDOStatement::execute()
850
   * @see PDOStatement::execute()
832
   */
851
   */
833
  public function insert ($table, $values, $cols = null)
852
  public function insert ($table, $values, $cols = null)
834
  {
853
  {
835
    if ($cols != null)
854
    if ($cols != null)
836
    {
855
    {
837
      $cols = ' ('
856
      $cols = ' ('
838
            . (is_array($cols)
857
            . (is_array($cols)
839
                ? implode(', ', array_map(array($this, 'escapeName'), $cols))
858
                ? implode(', ', array_map(array($this, 'escapeName'), $cols))
840
                : $cols) . ')';
859
                : $cols) . ')';
841
    }
860
    }
842
    else
861
    else
843
    {
862
    {
844
      $cols = '';
863
      $cols = '';
845
    }
864
    }
846
865
847
    /* DEBUG */
866
    /* DEBUG */
848
    if (defined('DEBUG') && DEBUG > 2)
867
    if (defined('DEBUG') && DEBUG > 2)
849
    {
868
    {
850
      debug(array('values' => $values));
869
      debug(array('values' => $values));
851
    }
870
    }
852
871
853
    $params = array();
872
    $params = array();
854
873
855
    if (is_array($values))
874
    if (is_array($values))
856
    {
875
    {
857
      if ($this->_isAssociativeArray($values))
876
      if ($this->_isAssociativeArray($values))
858
      {
877
      {
859
        foreach ($values as $key => $condition)
878
        foreach ($values as $key => $condition)
860
        {
879
        {
861
          $params[":{$key}"] = $condition;
880
          $params[":{$key}"] = $condition;
862
        }
881
        }
863
882
864
        $values = $this->_escapeValueArray($values);
883
        $values = $this->_escapeValueArray($values);
865
884
866
        $cols = '';
885
        $cols = '';
867
        $values = 'SET ' . implode(', ', $values);
886
        $values = 'SET ' . implode(', ', $values);
868
      }
887
      }
869
      else
888
      else
870
      {
889
      {
871
        foreach ($values as &$value)
890
        foreach ($values as &$value)
872
        {
891
        {
873
          if (is_string($value))
892
          if (is_string($value))
874
          {
893
          {
875
            $value = "'" . $value . "'";
894
            $value = "'" . $value . "'";
876
          }
895
          }
877
        }
896
        }
878
897
879
        $values = 'VALUES (' . implode(', ', $values) . ')';
898
        $values = 'VALUES (' . implode(', ', $values) . ')';
880
      }
899
      }
881
    }
900
    }
882
901
883
    /* TODO: Should escape table names with escapeName(), but what about aliases? */
902
    /* TODO: Should escape table names with escapeName(), but what about aliases? */
884
    $query = "INSERT INTO {$table} {$cols} {$values}";
903
    $query = "INSERT INTO {$table} {$cols} {$values}";
885
904
886
    $stmt = $this->prepare($query);
905
    $stmt = $this->prepare($query);
887
906
888
      /* DEBUG */
907
      /* DEBUG */
889
    if (defined('DEBUG') && DEBUG > 1)
908
    if (defined('DEBUG') && DEBUG > 1)
890
    {
909
    {
891
       debug(array(
910
       debug(array(
892
         'query'  => $query,
911
         'query'  => $query,
893
         'params' => $params
912
         'params' => $params
894
       ));
913
       ));
895
    }
914
    }
896
915
897
    $success =& $this->_lastSuccess;
916
    $success =& $this->_lastSuccess;
898
    $success = $stmt->execute($params);
917
    $success = $stmt->execute($params);
899
918
900
    $errorInfo =& $this->_lastError;
919
    $errorInfo =& $this->_lastError;
901
    $errorInfo =  $stmt->errorInfo();
920
    $errorInfo =  $stmt->errorInfo();
902
921
903
    $this->_setLastInsertId();
922
    $this->_setLastInsertId();
904
923
905
    $result =& $this->_lastResult;
924
    $result =& $this->_lastResult;
906
    $result =  $stmt->fetchAll();
925
    $result =  $stmt->fetchAll();
907
926
908
    if (defined('DEBUG') && DEBUG > 1)
927
    if (defined('DEBUG') && DEBUG > 1)
909
    {
928
    {
910
      debug(array(
929
      debug(array(
911
        '_lastSuccess'  => $success,
930
        '_lastSuccess'  => $success,
912
        '_lastError'    => $errorInfo,
931
        '_lastError'    => $errorInfo,
913
        '_lastInsertId' => $this->_lastInsertId,
932
        '_lastInsertId' => $this->_lastInsertId,
914
        '_lastResult'   => $result
933
        '_lastResult'   => $result
915
      ));
934
      ));
916
    }
935
    }
917
936
918
    return $success;
937
    return $success;
919
  }
938
  }
920
939
921
  /**
940
  /**
922
   * Retrieves all rows from a table
941
   * Retrieves all rows from a table
923
   *
942
   *
924
   * @param int[optional] $fetch_style
943
   * @param int[optional] $fetch_style
925
   * @param int[optional] $column_index
944
   * @param int[optional] $column_index
926
   * @param array[optional] $ctor_args
945
   * @param array[optional] $ctor_args
927
   * @return array
946
   * @return array
928
   * @see PDOStatement::fetchAll()
947
   * @see PDOStatement::fetchAll()
929
   */
948
   */
930
  public function fetchAll($table, $fetch_style = null, $column_index = null, array $ctor_args = null)
949
  public function fetchAll($table, $fetch_style = null, $column_index = null, array $ctor_args = null)
931
  {
950
  {
932
    /* NOTE: Cannot use table name as statement parameter */
951
    /* NOTE: Cannot use table name as statement parameter */
933
    $stmt = $this->prepare("SELECT * FROM $table");
952
    $stmt = $this->prepare("SELECT * FROM $table");
934
    $this->_lastSuccess = $stmt->execute();
953
    $this->_lastSuccess = $stmt->execute();
935
954
936
    $this->_lastError = $stmt->errorInfo();
955
    $this->_lastError = $stmt->errorInfo();
937
956
938
    $result =& $this->_lastResult;
957
    $result =& $this->_lastResult;
939
958
940
    if (is_null($fetch_style))
959
    if (is_null($fetch_style))
941
    {
960
    {
942
      $fetch_style = \PDO::FETCH_ASSOC;
961
      $fetch_style = \PDO::FETCH_ASSOC;
943
    }
962
    }
944
963
945
    if (!is_null($ctor_args))
964
    if (!is_null($ctor_args))
946
    {
965
    {
947
      $result = $stmt->fetchAll($fetch_style, $column_index, $ctor_args);
966
      $result = $stmt->fetchAll($fetch_style, $column_index, $ctor_args);
948
    }
967
    }
949
    else if (!is_null($column_index))
968
    else if (!is_null($column_index))
950
    {
969
    {
951
      $result = $stmt->fetchAll($fetch_style, $column_index);
970
      $result = $stmt->fetchAll($fetch_style, $column_index);
952
    }
971
    }
953
    else if (!is_null($fetch_style))
972
    else if (!is_null($fetch_style))
954
    {
973
    {
955
      $result = $stmt->fetchAll($fetch_style);
974
      $result = $stmt->fetchAll($fetch_style);
956
    }
975
    }
957
    else
976
    else
958
    {
977
    {
959
      $result = $stmt->fetchAll();
978
      $result = $stmt->fetchAll();
960
    }
979
    }
961
980
962
    return $result;
981
    return $result;
963
  }
982
  }
964
983
965
  /**
984
  /**
966
   * Deletes one or more records
985
   * Deletes one or more records
967
   *
986
   *
968
   * @param string|array $tables
987
   * @param string|array $tables
969
   *   Table name(s)
988
   *   Table name(s)
970
   * @param array|string $where
989
   * @param array|string $where
971
   *   Only the records matching this condition are deleted
990
   *   Only the records matching this condition are deleted
972
   * @return bool
991
   * @return bool
973
   * @see PDOStatement::execute()
992
   * @see PDOStatement::execute()
974
   */
993
   */
975
  public function delete($tables, $where = null)
994
  public function delete($tables, $where = null)
976
  {
995
  {
977
    if (!$tables)
996
    if (!$tables)
978
    {
997
    {
979
      throw new InvalidArgumentException('No table specified');
998
      throw new InvalidArgumentException('No table specified');
980
    }
999
    }
981
1000
982
    if (is_array($tables))
1001
    if (is_array($tables))
983
    {
1002
    {
984
      $tables = implode(', ', $tables);
1003
      $tables = implode(', ', $tables);
985
    }
1004
    }
986
1005
987
    $params = array();
1006
    $params = array();
988
1007
989
    $query = "DELETE FROM {$tables}" . $this->_where($where);
1008
    $query = "DELETE FROM {$tables}" . $this->_where($where);
990
1009
991
    $stmt = $this->prepare($query);
1010
    $stmt = $this->prepare($query);
992
1011
993
    if ($this->_isAssociativeArray($where))
1012
    if ($this->_isAssociativeArray($where))
994
    {
1013
    {
995
      foreach ($where as $column => $condition)
1014
      foreach ($where as $column => $condition)
996
      {
1015
      {
997
        if (is_array($condition) && $this->_isAssociativeArray($condition))
1016
        if (is_array($condition) && $this->_isAssociativeArray($condition))
998
        {
1017
        {
999
          reset($condition);
1018
          reset($condition);
1000
          $condition = $condition[key($condition)];
1019
          $condition = $condition[key($condition)];
1001
1020
1002
          if (is_array($condition))
1021
          if (is_array($condition))
1003
          {
1022
          {
1004
            foreach (self::_expand($condition, $column) as $param_index => $param_name)
1023
            foreach (self::_expand($condition, $column) as $param_index => $param_name)
1005
            {
1024
            {
1006
              $params[$param_name] = $condition[$param_index];
1025
              $params[$param_name] = $condition[$param_index];
1007
            }
1026
            }
1008
          }
1027
          }
1009
        }
1028
        }
1010
        else
1029
        else
1011
        {
1030
        {
1012
          $params[":{$column}"] = $condition;
1031
          $params[":{$column}"] = $condition;
1013
        }
1032
        }
1014
      }
1033
      }
1015
    }
1034
    }
1016
1035
1017
    /* DEBUG */
1036
    /* DEBUG */
1018
    if (defined('DEBUG') && DEBUG > 1)
1037
    if (defined('DEBUG') && DEBUG > 1)
1019
    {
1038
    {
1020
      debug(array(
1039
      debug(array(
1021
        'query'  => $query,
1040
        'query'  => $query,
1022
        'params' => $params
1041
        'params' => $params
1023
      ));
1042
      ));
1024
    }
1043
    }
1025
1044
1026
    $success =& $this->_lastSuccess;
1045
    $success =& $this->_lastSuccess;
1027
    $success =  $stmt->execute($params);
1046
    $success =  $stmt->execute($params);
1028
1047
1029
    $result =& $this->_lastResult;
1048
    $result =& $this->_lastResult;
1030
    $result =  $stmt->fetchAll();
1049
    $result =  $stmt->fetchAll();
1031
1050
1032
    $errorInfo =& $this->_lastError;
1051
    $errorInfo =& $this->_lastError;
1033
    $errorInfo =  $stmt->errorInfo();
1052
    $errorInfo =  $stmt->errorInfo();
1034
1053
1035
    if (defined('DEBUG') && DEBUG > 1)
1054
    if (defined('DEBUG') && DEBUG > 1)
1036
    {
1055
    {
1037
      debug(array(
1056
      debug(array(
1038
        '_lastSuccess' => $success,
1057
        '_lastSuccess' => $success,
1039
        '_lastError'   => $errorInfo,
1058
        '_lastError'   => $errorInfo,
1040
        '_lastResult'  => $result
1059
        '_lastResult'  => $result
1041
      ));
1060
      ));
1042
    }
1061
    }
1043
1062
1044
    return $success;
1063
    return $success;
1045
  }
1064
  }
1046
}
-
 
1047
1065
}
-
 
1066