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| | |
| | | // +----------------------------------------------------------------------+ |
| | | // | PHP versions 4 and 5 | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Stig. S. Bakken, Lukas Smith | |
| | | // | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton | |
| | | // | All rights reserved. | |
| | | // +----------------------------------------------------------------------+ |
| | | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | |
| | |
| | | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| | | // | POSSIBILITY OF SUCH DAMAGE. | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Author: Lukas Smith <smith@backendmedia.com> | |
| | | // | Authors: Lukas Smith <smith@pooteeweet.org> | |
| | | // | Lorenzo Alberton <l.alberton@quipo.it> | |
| | | // +----------------------------------------------------------------------+ |
| | | // |
| | | // $Id$ |
| | | // $Id: sqlite.php 292715 2009-12-28 14:06:34Z quipo $ |
| | | // |
| | | |
| | | require_once 'MDB2/Driver/Reverse/Common.php'; |
| | |
| | | * |
| | | * @package MDB2 |
| | | * @category Database |
| | | * @author Lukas Smith <smith@backendmedia.com> |
| | | * @author Lukas Smith <smith@pooteeweet.org> |
| | | */ |
| | | class MDB2_Driver_Reverse_sqlite extends MDB2_Driver_Reverse_Common |
| | | { |
| | | |
| | | function _getTableColumns($query) |
| | | { |
| | | $start_pos = strpos($query, '('); |
| | | $end_pos = strrpos($query, ')'); |
| | | $column_def = substr($query, $start_pos+1, $end_pos-$start_pos-1); |
| | | $column_sql = split(',', $column_def); |
| | | $columns = array(); |
| | | $count = count($column_sql); |
| | | if ($count == 0) { |
| | | return $db->raiseError('unexpected empty table column definition list'); |
| | | /** |
| | | * Remove SQL comments from the field definition |
| | | * |
| | | * @access private |
| | | */ |
| | | function _removeComments($sql) { |
| | | $lines = explode("\n", $sql); |
| | | foreach ($lines as $k => $line) { |
| | | $pieces = explode('--', $line); |
| | | if (count($pieces) > 1 && (substr_count($pieces[0], '\'') % 2) == 0) { |
| | | $lines[$k] = substr($line, 0, strpos($line, '--')); |
| | | } |
| | | } |
| | | $regexp = '/^([^ ]+) (CHAR|VARCHAR|VARCHAR2|TEXT|INT|INTEGER|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( PRIMARY)?( \(([1-9][0-9]*)(,([1-9][0-9]*))?\))?( DEFAULT (\'[^\']*\'|[^ ]+))?( NOT NULL)?$/i'; |
| | | return implode("\n", $lines); |
| | | } |
| | | |
| | | /** |
| | | * |
| | | */ |
| | | function _getTableColumns($sql) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | $start_pos = strpos($sql, '('); |
| | | $end_pos = strrpos($sql, ')'); |
| | | $column_def = substr($sql, $start_pos+1, $end_pos-$start_pos-1); |
| | | // replace the decimal length-places-separator with a colon |
| | | $column_def = preg_replace('/(\d),(\d)/', '\1:\2', $column_def); |
| | | $column_def = $this->_removeComments($column_def); |
| | | $column_sql = explode(',', $column_def); |
| | | $columns = array(); |
| | | $count = count($column_sql); |
| | | if ($count == 0) { |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'unexpected empty table column definition list', __FUNCTION__); |
| | | } |
| | | $regexp = '/^\s*([^\s]+) +(CHAR|VARCHAR|VARCHAR2|TEXT|BOOLEAN|SMALLINT|INT|INTEGER|DECIMAL|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( ?\(([1-9][0-9]*)(:([1-9][0-9]*))?\))?( NULL| NOT NULL)?( UNSIGNED)?( NULL| NOT NULL)?( PRIMARY KEY)?( DEFAULT (\'[^\']*\'|[^ ]+))?( NULL| NOT NULL)?( PRIMARY KEY)?(\s*\-\-.*)?$/i'; |
| | | $regexp2 = '/^\s*([^ ]+) +(PRIMARY|UNIQUE|CHECK)$/i'; |
| | | for ($i=0, $j=0; $i<$count; ++$i) { |
| | | if (!preg_match($regexp, $column_sql[$i], $matches)) { |
| | | return $db->raiseError('unexpected table column SQL definition'); |
| | | if (!preg_match($regexp, trim($column_sql[$i]), $matches)) { |
| | | if (!preg_match($regexp2, trim($column_sql[$i]))) { |
| | | continue; |
| | | } |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'unexpected table column SQL definition: "'.$column_sql[$i].'"', __FUNCTION__); |
| | | } |
| | | $columns[$j]['name'] = $matches[1]; |
| | | $columns[$j]['name'] = trim($matches[1], implode('', $db->identifier_quoting)); |
| | | $columns[$j]['type'] = strtolower($matches[2]); |
| | | if (isset($matches[5]) && strlen($matches[5])) { |
| | | $columns[$j]['length'] = $matches[5]; |
| | | if (isset($matches[4]) && strlen($matches[4])) { |
| | | $columns[$j]['length'] = $matches[4]; |
| | | } |
| | | if (isset($matches[7]) && strlen($matches[7])) { |
| | | $columns[$j]['decimal'] = $matches[7]; |
| | | if (isset($matches[6]) && strlen($matches[6])) { |
| | | $columns[$j]['decimal'] = $matches[6]; |
| | | } |
| | | if (isset($matches[8]) && strlen($matches[8])) { |
| | | $columns[$j]['unsigned'] = true; |
| | | } |
| | | if (isset($matches[9]) && strlen($matches[9])) { |
| | | $default = $matches[9]; |
| | | $columns[$j]['autoincrement'] = true; |
| | | } |
| | | if (isset($matches[12]) && strlen($matches[12])) { |
| | | $default = $matches[12]; |
| | | if (strlen($default) && $default[0]=="'") { |
| | | $default = str_replace("''", "'", substr($default, 1, strlen($default)-2)); |
| | | } |
| | | if ($default === 'NULL') { |
| | | $default = null; |
| | | } |
| | | $columns[$j]['default'] = $default; |
| | | } |
| | | if (isset($matches[10]) && strlen($matches[10])) { |
| | | $columns[$j]['notnull'] = true; |
| | | if (isset($matches[7]) && strlen($matches[7])) { |
| | | $columns[$j]['notnull'] = ($matches[7] === ' NOT NULL'); |
| | | } else if (isset($matches[9]) && strlen($matches[9])) { |
| | | $columns[$j]['notnull'] = ($matches[9] === ' NOT NULL'); |
| | | } else if (isset($matches[13]) && strlen($matches[13])) { |
| | | $columns[$j]['notnull'] = ($matches[13] === ' NOT NULL'); |
| | | } |
| | | ++$j; |
| | | } |
| | |
| | | // {{{ getTableFieldDefinition() |
| | | |
| | | /** |
| | | * get the stucture of a field into an array |
| | | * Get the stucture of a field into an array |
| | | * |
| | | * @param string $table name of table that should be used in method |
| | | * @param string $field_name name of field that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * @param string $table_name name of table that should be used in method |
| | | * @param string $field_name name of field that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure. |
| | | * The returned array contains an array for each field definition, |
| | | * with (some of) these indices: |
| | | * [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type] |
| | | * @access public |
| | | */ |
| | | function getTableFieldDefinition($table, $field_name) |
| | | function getTableFieldDefinition($table_name, $field_name) |
| | | { |
| | | $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; |
| | | $result = $db->loadModule('Datatype'); |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | list($schema, $table) = $this->splitTableSchema($table_name); |
| | | |
| | | $result = $db->loadModule('Datatype', null, true); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | $query = "SELECT sql FROM sqlite_master WHERE type='table' AND name='$table'"; |
| | | $query = $db->queryOne($query); |
| | | if (PEAR::isError($query)) { |
| | | return $query; |
| | | $query = "SELECT sql FROM sqlite_master WHERE type='table' AND "; |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text'); |
| | | } else { |
| | | $query.= 'name='.$db->quote($table, 'text'); |
| | | } |
| | | if (PEAR::isError($columns = $this->_getTableColumns($query))) { |
| | | return $columns; |
| | | $sql = $db->queryOne($query); |
| | | if (PEAR::isError($sql)) { |
| | | return $sql; |
| | | } |
| | | $columns = $this->_getTableColumns($sql); |
| | | foreach ($columns as $column) { |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_LOWERCASE) { |
| | | $column['name'] = strtolower($column['name']); |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | if ($db->options['field_case'] == CASE_LOWER) { |
| | | $column['name'] = strtolower($column['name']); |
| | | } else { |
| | | $column['name'] = strtoupper($column['name']); |
| | | } |
| | | } else { |
| | | $column = array_change_key_case($column, CASE_LOWER); |
| | | $column = array_change_key_case($column, $db->options['field_case']); |
| | | } |
| | | if ($field_name == $column['name']) { |
| | | list($types, $length) = $db->datatype->mapNativeDatatype($column); |
| | | unset($notnull); |
| | | if (isset($column['null']) && $column['null'] != 'YES') { |
| | | $notnull = true; |
| | | $mapped_datatype = $db->datatype->mapNativeDatatype($column); |
| | | if (PEAR::isError($mapped_datatype)) { |
| | | return $mapped_datatype; |
| | | } |
| | | unset($default); |
| | | if (isset($column['default'])) { |
| | | list($types, $length, $unsigned, $fixed) = $mapped_datatype; |
| | | $notnull = false; |
| | | if (!empty($column['notnull'])) { |
| | | $notnull = $column['notnull']; |
| | | } |
| | | $default = false; |
| | | if (array_key_exists('default', $column)) { |
| | | $default = $column['default']; |
| | | if ((null === $default) && $notnull) { |
| | | $default = ''; |
| | | } |
| | | } |
| | | $definition = array(); |
| | | $autoincrement = false; |
| | | if (!empty($column['autoincrement'])) { |
| | | $autoincrement = true; |
| | | } |
| | | |
| | | $definition[0] = array( |
| | | 'notnull' => $notnull, |
| | | 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type']) |
| | | ); |
| | | if (null !== $length) { |
| | | $definition[0]['length'] = $length; |
| | | } |
| | | if (null !== $unsigned) { |
| | | $definition[0]['unsigned'] = $unsigned; |
| | | } |
| | | if (null !== $fixed) { |
| | | $definition[0]['fixed'] = $fixed; |
| | | } |
| | | if ($default !== false) { |
| | | $definition[0]['default'] = $default; |
| | | } |
| | | if ($autoincrement !== false) { |
| | | $definition[0]['autoincrement'] = $autoincrement; |
| | | } |
| | | foreach ($types as $key => $type) { |
| | | $definition[0][$key] = array('type' => $type); |
| | | if (isset($notnull)) { |
| | | $definition[0][$key]['notnull'] = true; |
| | | $definition[$key] = $definition[0]; |
| | | if ($type == 'clob' || $type == 'blob') { |
| | | unset($definition[$key]['default']); |
| | | } |
| | | if (isset($default)) { |
| | | $definition[0][$key]['default'] = $default; |
| | | } |
| | | if (isset($length)) { |
| | | $definition[0][$key]['length'] = $length; |
| | | } |
| | | $definition[$key]['type'] = $type; |
| | | $definition[$key]['mdb2type'] = $type; |
| | | } |
| | | // todo .. handle auto_inrement and primary keys |
| | | return $definition; |
| | | } |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR, null, null, |
| | | 'getTableFieldDefinition: it was not specified an existing table column'); |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | 'it was not specified an existing table column', __FUNCTION__); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getTableIndexDefinition() |
| | | |
| | | /** |
| | | * get the stucture of an index into an array |
| | | * Get the stucture of an index into an array |
| | | * |
| | | * @param string $table name of table that should be used in method |
| | | * @param string $index_name name of index that should be used in method |
| | | * @param string $table_name name of table that should be used in method |
| | | * @param string $index_name name of index that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function getTableIndexDefinition($table, $index_name) |
| | | function getTableIndexDefinition($table_name, $index_name) |
| | | { |
| | | $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; |
| | | if ($index_name == 'PRIMARY') { |
| | | return $db->raiseError(MDB2_ERROR, null, null, |
| | | 'getTableIndexDefinition: PRIMARY is an hidden index'); |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | $query = "SELECT sql FROM sqlite_master WHERE type='index' AND name='$index_name' AND tbl_name='$table' AND sql NOT NULL ORDER BY name"; |
| | | $result = $db->query($query); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | |
| | | list($schema, $table) = $this->splitTableSchema($table_name); |
| | | |
| | | $query = "SELECT sql FROM sqlite_master WHERE type='index' AND "; |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text'); |
| | | } else { |
| | | $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text'); |
| | | } |
| | | $columns = $result->getColumnNames(); |
| | | $column = 'sql'; |
| | | if (!isset($columns[$column])) { |
| | | $result->free(); |
| | | return $db->raiseError('getTableIndexDefinition: show index does not return the table creation sql'); |
| | | $query.= ' AND sql NOT NULL ORDER BY name'; |
| | | $index_name_mdb2 = $db->getIndexName($index_name); |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $qry = sprintf($query, $db->quote(strtolower($index_name_mdb2), 'text')); |
| | | } else { |
| | | $qry = sprintf($query, $db->quote($index_name_mdb2, 'text')); |
| | | } |
| | | $sql = $db->queryOne($qry, 'text'); |
| | | if (PEAR::isError($sql) || empty($sql)) { |
| | | // fallback to the given $index_name, without transformation |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $qry = sprintf($query, $db->quote(strtolower($index_name), 'text')); |
| | | } else { |
| | | $qry = sprintf($query, $db->quote($index_name, 'text')); |
| | | } |
| | | $sql = $db->queryOne($qry, 'text'); |
| | | } |
| | | if (PEAR::isError($sql)) { |
| | | return $sql; |
| | | } |
| | | if (!$sql) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | 'it was not specified an existing table index', __FUNCTION__); |
| | | } |
| | | |
| | | $query = strtolower($result->fetchOne()); |
| | | $unique = strstr($query, ' unique '); |
| | | $key_name = $index_name; |
| | | $start_pos = strpos($query, '('); |
| | | $end_pos = strrpos($query, ')'); |
| | | $column_names = substr($query, $start_pos+1, $end_pos-$start_pos-1); |
| | | $column_names = split(',', $column_names); |
| | | $sql = strtolower($sql); |
| | | $start_pos = strpos($sql, '('); |
| | | $end_pos = strrpos($sql, ')'); |
| | | $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1); |
| | | $column_names = explode(',', $column_names); |
| | | |
| | | if (preg_match("/^create unique/", $sql)) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | 'it was not specified an existing table index', __FUNCTION__); |
| | | } |
| | | |
| | | $definition = array(); |
| | | if ($unique) { |
| | | $definition['unique'] = true; |
| | | $count = count($column_names); |
| | | for ($i=0; $i<$count; ++$i) { |
| | | $column_name = strtok($column_names[$i], ' '); |
| | | $collation = strtok(' '); |
| | | $definition['fields'][$column_name] = array( |
| | | 'position' => $i+1 |
| | | ); |
| | | if (!empty($collation)) { |
| | | $definition['fields'][$column_name]['sorting'] = |
| | | ($collation=='ASC' ? 'ascending' : 'descending'); |
| | | } |
| | | } |
| | | |
| | | if (empty($definition['fields'])) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | 'it was not specified an existing table index', __FUNCTION__); |
| | | } |
| | | return $definition; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getTableConstraintDefinition() |
| | | |
| | | /** |
| | | * Get the stucture of a constraint into an array |
| | | * |
| | | * @param string $table_name name of table that should be used in method |
| | | * @param string $constraint_name name of constraint that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function getTableConstraintDefinition($table_name, $constraint_name) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | list($schema, $table) = $this->splitTableSchema($table_name); |
| | | |
| | | $query = "SELECT sql FROM sqlite_master WHERE type='index' AND "; |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text'); |
| | | } else { |
| | | $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text'); |
| | | } |
| | | $query.= ' AND sql NOT NULL ORDER BY name'; |
| | | $constraint_name_mdb2 = $db->getIndexName($constraint_name); |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $qry = sprintf($query, $db->quote(strtolower($constraint_name_mdb2), 'text')); |
| | | } else { |
| | | $qry = sprintf($query, $db->quote($constraint_name_mdb2, 'text')); |
| | | } |
| | | $sql = $db->queryOne($qry, 'text'); |
| | | if (PEAR::isError($sql) || empty($sql)) { |
| | | // fallback to the given $index_name, without transformation |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $qry = sprintf($query, $db->quote(strtolower($constraint_name), 'text')); |
| | | } else { |
| | | $qry = sprintf($query, $db->quote($constraint_name, 'text')); |
| | | } |
| | | $sql = $db->queryOne($qry, 'text'); |
| | | } |
| | | if (PEAR::isError($sql)) { |
| | | return $sql; |
| | | } |
| | | //default values, eventually overridden |
| | | $definition = array( |
| | | 'primary' => false, |
| | | 'unique' => false, |
| | | 'foreign' => false, |
| | | 'check' => false, |
| | | 'fields' => array(), |
| | | 'references' => array( |
| | | 'table' => '', |
| | | 'fields' => array(), |
| | | ), |
| | | 'onupdate' => '', |
| | | 'ondelete' => '', |
| | | 'match' => '', |
| | | 'deferrable' => false, |
| | | 'initiallydeferred' => false, |
| | | ); |
| | | if (!$sql) { |
| | | $query = "SELECT sql FROM sqlite_master WHERE type='table' AND "; |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text'); |
| | | } else { |
| | | $query.= 'name='.$db->quote($table, 'text'); |
| | | } |
| | | $query.= " AND sql NOT NULL ORDER BY name"; |
| | | $sql = $db->queryOne($query, 'text'); |
| | | if (PEAR::isError($sql)) { |
| | | return $sql; |
| | | } |
| | | if ($constraint_name == 'primary') { |
| | | // search in table definition for PRIMARY KEYs |
| | | if (preg_match("/\bPRIMARY\s+KEY\b\s*\(([^)]+)/i", $sql, $tmp)) { |
| | | $definition['primary'] = true; |
| | | $definition['fields'] = array(); |
| | | $column_names = explode(',', $tmp[1]); |
| | | $colpos = 1; |
| | | foreach ($column_names as $column_name) { |
| | | $definition['fields'][trim($column_name)] = array( |
| | | 'position' => $colpos++ |
| | | ); |
| | | } |
| | | return $definition; |
| | | } |
| | | if (preg_match("/\"([^\"]+)\"[^\,\"]+\bPRIMARY\s+KEY\b[^\,\)]*/i", $sql, $tmp)) { |
| | | $definition['primary'] = true; |
| | | $definition['fields'] = array(); |
| | | $column_names = explode(',', $tmp[1]); |
| | | $colpos = 1; |
| | | foreach ($column_names as $column_name) { |
| | | $definition['fields'][trim($column_name)] = array( |
| | | 'position' => $colpos++ |
| | | ); |
| | | } |
| | | return $definition; |
| | | } |
| | | } else { |
| | | // search in table definition for FOREIGN KEYs |
| | | $pattern = "/\bCONSTRAINT\b\s+%s\s+ |
| | | \bFOREIGN\s+KEY\b\s*\(([^\)]+)\)\s* |
| | | \bREFERENCES\b\s+([^\s]+)\s*\(([^\)]+)\)\s* |
| | | (?:\bMATCH\s*([^\s]+))?\s* |
| | | (?:\bON\s+UPDATE\s+([^\s,\)]+))?\s* |
| | | (?:\bON\s+DELETE\s+([^\s,\)]+))?\s* |
| | | /imsx"; |
| | | $found_fk = false; |
| | | if (preg_match(sprintf($pattern, $constraint_name_mdb2), $sql, $tmp)) { |
| | | $found_fk = true; |
| | | } elseif (preg_match(sprintf($pattern, $constraint_name), $sql, $tmp)) { |
| | | $found_fk = true; |
| | | } |
| | | if ($found_fk) { |
| | | $definition['foreign'] = true; |
| | | $definition['match'] = 'SIMPLE'; |
| | | $definition['onupdate'] = 'NO ACTION'; |
| | | $definition['ondelete'] = 'NO ACTION'; |
| | | $definition['references']['table'] = $tmp[2]; |
| | | $column_names = explode(',', $tmp[1]); |
| | | $colpos = 1; |
| | | foreach ($column_names as $column_name) { |
| | | $definition['fields'][trim($column_name)] = array( |
| | | 'position' => $colpos++ |
| | | ); |
| | | } |
| | | $referenced_cols = explode(',', $tmp[3]); |
| | | $colpos = 1; |
| | | foreach ($referenced_cols as $column_name) { |
| | | $definition['references']['fields'][trim($column_name)] = array( |
| | | 'position' => $colpos++ |
| | | ); |
| | | } |
| | | if (isset($tmp[4])) { |
| | | $definition['match'] = $tmp[4]; |
| | | } |
| | | if (isset($tmp[5])) { |
| | | $definition['onupdate'] = $tmp[5]; |
| | | } |
| | | if (isset($tmp[6])) { |
| | | $definition['ondelete'] = $tmp[6]; |
| | | } |
| | | return $definition; |
| | | } |
| | | } |
| | | $sql = false; |
| | | } |
| | | if (!$sql) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | $constraint_name . ' is not an existing table constraint', __FUNCTION__); |
| | | } |
| | | |
| | | $sql = strtolower($sql); |
| | | $start_pos = strpos($sql, '('); |
| | | $end_pos = strrpos($sql, ')'); |
| | | $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1); |
| | | $column_names = explode(',', $column_names); |
| | | |
| | | if (!preg_match("/^create unique/", $sql)) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | $constraint_name . ' is not an existing table constraint', __FUNCTION__); |
| | | } |
| | | |
| | | $definition['unique'] = true; |
| | | $count = count($column_names); |
| | | for ($i=0; $i<$count; ++$i) { |
| | | $column_name = strtok($column_names[$i]," "); |
| | | $collation = strtok(" "); |
| | | $definition['fields'][$column_name] = array(); |
| | | $definition['fields'][$column_name] = array( |
| | | 'position' => $i+1 |
| | | ); |
| | | if (!empty($collation)) { |
| | | $definition['fields'][$column_name]['sorting'] = ($collation=='ASC' ? 'ascending' : 'descending'); |
| | | $definition['fields'][$column_name]['sorting'] = |
| | | ($collation=='ASC' ? 'ascending' : 'descending'); |
| | | } |
| | | } |
| | | |
| | | $result->free(); |
| | | if (!isset($definition['fields'])) { |
| | | return $db->raiseError(MDB2_ERROR, null, null, |
| | | 'getTableIndexDefinition: it was not specified an existing table index'); |
| | | if (empty($definition['fields'])) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | $constraint_name . ' is not an existing table constraint', __FUNCTION__); |
| | | } |
| | | return $definition; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getTriggerDefinition() |
| | | |
| | | /** |
| | | * Get the structure of a trigger into an array |
| | | * |
| | | * EXPERIMENTAL |
| | | * |
| | | * WARNING: this function is experimental and may change the returned value |
| | | * at any time until labelled as non-experimental |
| | | * |
| | | * @param string $trigger name of trigger that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function getTriggerDefinition($trigger) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $query = "SELECT name as trigger_name, |
| | | tbl_name AS table_name, |
| | | sql AS trigger_body, |
| | | NULL AS trigger_type, |
| | | NULL AS trigger_event, |
| | | NULL AS trigger_comment, |
| | | 1 AS trigger_enabled |
| | | FROM sqlite_master |
| | | WHERE type='trigger'"; |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $query.= ' AND LOWER(name)='.$db->quote(strtolower($trigger), 'text'); |
| | | } else { |
| | | $query.= ' AND name='.$db->quote($trigger, 'text'); |
| | | } |
| | | $types = array( |
| | | 'trigger_name' => 'text', |
| | | 'table_name' => 'text', |
| | | 'trigger_body' => 'text', |
| | | 'trigger_type' => 'text', |
| | | 'trigger_event' => 'text', |
| | | 'trigger_comment' => 'text', |
| | | 'trigger_enabled' => 'boolean', |
| | | ); |
| | | $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC); |
| | | if (PEAR::isError($def)) { |
| | | return $def; |
| | | } |
| | | if (empty($def)) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | 'it was not specified an existing trigger', __FUNCTION__); |
| | | } |
| | | if (preg_match("/^create\s+(?:temp|temporary)?trigger\s+(?:if\s+not\s+exists\s+)?.*(before|after)?\s+(insert|update|delete)/Uims", $def['trigger_body'], $tmp)) { |
| | | $def['trigger_type'] = strtoupper($tmp[1]); |
| | | $def['trigger_event'] = strtoupper($tmp[2]); |
| | | } |
| | | return $def; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * @return array an associative array with the information requested. |
| | | * A MDB2_Error object on failure. |
| | | * |
| | | * @see MDB2_common::tableInfo() |
| | | * @see MDB2_Driver_Common::tableInfo() |
| | | * @since Method available since Release 1.7.0 |
| | | */ |
| | | function tableInfo($result, $mode = null) |
| | | { |
| | | $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; |
| | | if (is_string($result)) { |
| | | /* |
| | | * Probably received a table name. |
| | | * Create a result resource identifier. |
| | | */ |
| | | $id = $db->queryAll("PRAGMA table_info('$result');", null, MDB2_FETCHMODE_ASSOC); |
| | | $got_string = true; |
| | | } else { |
| | | return $db->raiseError(MDB2_ERROR_NOT_CAPABLE, null, null, |
| | | 'This DBMS can not obtain tableInfo' . |
| | | ' from result sets'); |
| | | return parent::tableInfo($result, $mode); |
| | | } |
| | | |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_LOWERCASE) { |
| | | $case_func = 'strtolower'; |
| | | } else { |
| | | $case_func = 'strval'; |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $count = count($id); |
| | | $res = array(); |
| | | |
| | | if ($mode) { |
| | | $res['num_fields'] = $count; |
| | | } |
| | | |
| | | for ($i = 0; $i < $count; $i++) { |
| | | if (strpos($id[$i]['type'], '(') !== false) { |
| | | $bits = explode('(', $id[$i]['type']); |
| | | $type = $bits[0]; |
| | | $len = rtrim($bits[1],')'); |
| | | } else { |
| | | $type = $id[$i]['type']; |
| | | $len = 0; |
| | | } |
| | | |
| | | $flags = ''; |
| | | if ($id[$i]['pk']) { |
| | | $flags .= 'primary_key '; |
| | | } |
| | | if ($id[$i]['notnull']) { |
| | | $flags .= 'not_null '; |
| | | } |
| | | if ($id[$i]['dflt_value'] !== null) { |
| | | $flags .= 'default_' . rawurlencode($id[$i]['dflt_value']); |
| | | } |
| | | $flags = trim($flags); |
| | | |
| | | $res[$i] = array( |
| | | 'table' => $case_func($result), |
| | | 'name' => $case_func($id[$i]['name']), |
| | | 'type' => $type, |
| | | 'len' => $len, |
| | | 'flags' => $flags, |
| | | ); |
| | | |
| | | if ($mode & MDB2_TABLEINFO_ORDER) { |
| | | $res['order'][$res[$i]['name']] = $i; |
| | | } |
| | | if ($mode & MDB2_TABLEINFO_ORDERTABLE) { |
| | | $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; |
| | | } |
| | | } |
| | | |
| | | return $res; |
| | | return $db->raiseError(MDB2_ERROR_NOT_CAPABLE, null, null, |
| | | 'This DBMS can not obtain tableInfo from result sets', __FUNCTION__); |
| | | } |
| | | } |
| | | |