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| | |
| | | // +----------------------------------------------------------------------+ |
| | | // | PHP versions 4 and 5 | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Stig. S. Bakken, Lukas Smith | |
| | | // | All rights reserved. | |
| | | // +----------------------------------------------------------------------+ |
| | |
| | | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| | | // | POSSIBILITY OF SUCH DAMAGE. | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Author: Frank M. Kromann <frank@kromann.info> | |
| | | // | Authors: Frank M. Kromann <frank@kromann.info> | |
| | | // | David Coallier <davidc@php.net> | |
| | | // | Lorenzo Alberton <l.alberton@quipo.it> | |
| | | // +----------------------------------------------------------------------+ |
| | | // |
| | | // $Id$ |
| | | // $Id: mssql.php,v 1.109 2008/03/05 12:55:57 afz Exp $ |
| | | // |
| | | |
| | | require_once 'MDB2/Driver/Manager/Common.php'; |
| | | |
| | | // {{{ class MDB2_Driver_Manager_mssql |
| | | |
| | | /** |
| | | * MDB2 MSSQL driver for the management modules |
| | | * |
| | | * @package MDB2 |
| | | * @category Database |
| | | * @author Frank M. Kromann <frank@kromann.info> |
| | | * @author David Coallier <davidc@php.net> |
| | | * @author Lorenzo Alberton <l.alberton@quipo.it> |
| | | */ |
| | | class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common |
| | | { |
| | | // {{{ createDatabase() |
| | | |
| | | /** |
| | | * create a new database |
| | | * |
| | | * @param string $name name of the database that should be created |
| | | * @param string $name name of the database that should be created |
| | | * @param array $options array with collation info |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function createDatabase($name) |
| | | function createDatabase($name, $options = array()) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $name = $db->quoteIdentifier($name, true); |
| | | $query = "CREATE DATABASE $name"; |
| | | if($db->options['database_device']) { |
| | | if ($db->options['database_device']) { |
| | | $query.= ' ON '.$db->options['database_device']; |
| | | $query.= $db->options['database_size'] ? '='.$db->options['database_size'] : ''; |
| | | $query.= $db->options['database_size'] ? '=' . |
| | | $db->options['database_size'] : ''; |
| | | } |
| | | return $db->standaloneQuery($query); |
| | | if (!empty($options['collation'])) { |
| | | $query .= ' COLLATE ' . $options['collation']; |
| | | } |
| | | return $db->standaloneQuery($query, null, true); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ alterDatabase() |
| | | |
| | | /** |
| | | * alter an existing database |
| | | * |
| | | * @param string $name name of the database that is intended to be changed |
| | | * @param array $options array with name, collation info |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function alterDatabase($name, $options = array()) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $query = ''; |
| | | if (!empty($options['name'])) { |
| | | $query .= ' MODIFY NAME = ' .$db->quoteIdentifier($options['name'], true); |
| | | } |
| | | if (!empty($options['collation'])) { |
| | | $query .= ' COLLATE ' . $options['collation']; |
| | | } |
| | | if (!empty($query)) { |
| | | $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true) . $query; |
| | | return $db->standaloneQuery($query, null, true); |
| | | } |
| | | return MDB2_OK; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * drop an existing database |
| | | * |
| | | * @param string $name name of the database that should be dropped |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | |
| | | return $db; |
| | | } |
| | | |
| | | return $db->standaloneQuery("DROP DATABASE $name"); |
| | | $name = $db->quoteIdentifier($name, true); |
| | | return $db->standaloneQuery("DROP DATABASE $name", null, true); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getTemporaryTableQuery() |
| | | |
| | | /** |
| | | * Override the parent method. |
| | | * |
| | | * @return string The string required to be placed between "CREATE" and "TABLE" |
| | | * to generate a temporary table, if possible. |
| | | */ |
| | | function _getTemporaryTableQuery() |
| | | { |
| | | return ''; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getAdvancedFKOptions() |
| | | |
| | | /** |
| | | * Return the FOREIGN KEY query section dealing with non-standard options |
| | | * as MATCH, INITIALLY DEFERRED, ON UPDATE, ... |
| | | * |
| | | * @param array $definition |
| | | * |
| | | * @return string |
| | | * @access protected |
| | | */ |
| | | function _getAdvancedFKOptions($definition) |
| | | { |
| | | $query = ''; |
| | | if (!empty($definition['onupdate'])) { |
| | | $query .= ' ON UPDATE '.$definition['onupdate']; |
| | | } |
| | | if (!empty($definition['ondelete'])) { |
| | | $query .= ' ON DELETE '.$definition['ondelete']; |
| | | } |
| | | return $query; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ createTable() |
| | | |
| | | /** |
| | | * create a new table |
| | | * |
| | | * @param string $name Name of the database that should be created |
| | | * @param array $fields Associative array that contains the definition of each field of the new table |
| | | * The indexes of the array entries are the names of the fields of the table an |
| | | * the array entry values are associative arrays like those that are meant to be |
| | | * passed with the field definitions to get[Type]Declaration() functions. |
| | | * |
| | | * Example |
| | | * array( |
| | | * |
| | | * 'id' => array( |
| | | * 'type' => 'integer', |
| | | * 'unsigned' => 1, |
| | | * 'notnull' => 1, |
| | | * 'default' => 0, |
| | | * ), |
| | | * 'name' => array( |
| | | * 'type' => 'text', |
| | | * 'length' => 12, |
| | | * ), |
| | | * 'description' => array( |
| | | * 'type' => 'text', |
| | | * 'length' => 12, |
| | | * ) |
| | | * ); |
| | | * @param array $options An associative array of table options: |
| | | * array( |
| | | * 'comment' => 'Foo', |
| | | * 'temporary' => true|false, |
| | | * ); |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function createTable($name, $fields, $options = array()) |
| | | { |
| | | if (!empty($options['temporary'])) { |
| | | $name = '#'.$name; |
| | | } |
| | | return parent::createTable($name, $fields, $options); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ truncateTable() |
| | | |
| | | /** |
| | | * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported, |
| | | * it falls back to a DELETE FROM TABLE query) |
| | | * |
| | | * @param string $name name of the table that should be truncated |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function truncateTable($name) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $name = $db->quoteIdentifier($name, true); |
| | | return $db->exec("TRUNCATE TABLE $name"); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ vacuum() |
| | | |
| | | /** |
| | | * Optimize (vacuum) all the tables in the db (or only the specified table) |
| | | * and optionally run ANALYZE. |
| | | * |
| | | * @param string $table table name (all the tables if empty) |
| | | * @param array $options an array with driver-specific options: |
| | | * - timeout [int] (in seconds) [mssql-only] |
| | | * - analyze [boolean] [pgsql and mysql] |
| | | * - full [boolean] [pgsql-only] |
| | | * - freeze [boolean] [pgsql-only] |
| | | * |
| | | * NB: you have to run the NSControl Create utility to enable VACUUM |
| | | * |
| | | * @return mixed MDB2_OK success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function vacuum($table = null, $options = array()) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | $timeout = isset($options['timeout']) ? (int)$options['timeout'] : 300; |
| | | |
| | | $query = 'NSControl Create'; |
| | | $result = $db->exec($query); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | |
| | | return $db->exec('EXEC NSVacuum '.$timeout); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | /** |
| | | * alter an existing table |
| | | * |
| | | * @param string $name name of the table that is intended to be changed. |
| | | * @param array $changes associative array that contains the details of each type |
| | | * of change that is intended to be performed. The types of |
| | | * changes that are currently supported are defined as follows: |
| | | * @param string $name name of the table that is intended to be changed. |
| | | * @param array $changes associative array that contains the details of each type |
| | | * of change that is intended to be performed. The types of |
| | | * changes that are currently supported are defined as follows: |
| | | * |
| | | * name |
| | | * |
| | |
| | | * indexes of the array. The value of each entry of the array |
| | | * should be set to another associative array with the properties |
| | | * of the fields to be added. The properties of the fields should |
| | | * be the same as defined by the Metabase parser. |
| | | * be the same as defined by the MDB2 parser. |
| | | * |
| | | * |
| | | * remove |
| | |
| | | * array with the properties of the fields to that are meant to be changed as |
| | | * array entries. These entries should be assigned to the new values of the |
| | | * respective properties. The properties of the fields should be the same |
| | | * as defined by the Metabase parser. |
| | | * as defined by the MDB2 parser. |
| | | * |
| | | * Example |
| | | * array( |
| | |
| | | * 'remove' => array( |
| | | * 'file_limit' => array(), |
| | | * 'time_limit' => array() |
| | | * ), |
| | | * ), |
| | | * 'change' => array( |
| | | * 'gender' => array( |
| | | * 'default' => 'M', |
| | | * 'name' => array( |
| | | * 'length' => '20', |
| | | * 'definition' => array( |
| | | * 'type' => 'text', |
| | | * 'length' => 20, |
| | | * ), |
| | | * ) |
| | | * ), |
| | | * 'rename' => array( |
| | | * 'sex' => array( |
| | | * 'name' => 'gender', |
| | | * 'definition' => array( |
| | | * 'type' => 'text', |
| | | * 'length' => 1, |
| | | * 'default' => 'M', |
| | | * ), |
| | | * ) |
| | | * ), |
| | | * ) |
| | | * ) |
| | | * |
| | | * @param boolean $check indicates whether the function should just check if the DBMS driver |
| | | * can perform the requested table alterations if the value is true or |
| | | * actually perform them otherwise. |
| | | * @access public |
| | | * @param boolean $check indicates whether the function should just check if the DBMS driver |
| | | * can perform the requested table alterations if the value is true or |
| | | * actually perform them otherwise. |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function alterTable($name, $changes, $check) |
| | | { |
| | |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | $name_quoted = $db->quoteIdentifier($name, true); |
| | | |
| | | foreach ($changes as $change_name => $change) { |
| | | switch ($change_name) { |
| | | case 'add': |
| | | break; |
| | | case 'remove': |
| | | break; |
| | | case 'name': |
| | | case 'rename': |
| | | case 'add': |
| | | case 'change': |
| | | case 'name': |
| | | break; |
| | | default: |
| | | return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null, |
| | | 'alterTable: change type "'.$change_name.'" not yet supported'); |
| | | 'change type "'.$change_name.'" not yet supported', __FUNCTION__); |
| | | } |
| | | } |
| | | |
| | |
| | | return MDB2_OK; |
| | | } |
| | | |
| | | $query = ''; |
| | | if (array_key_exists('add', $changes)) { |
| | | if ($query) { |
| | | $query.= ', '; |
| | | $idxname_format = $db->getOption('idxname_format'); |
| | | $db->setOption('idxname_format', '%s'); |
| | | |
| | | if (!empty($changes['remove']) && is_array($changes['remove'])) { |
| | | $result = $this->_dropConflictingIndices($name, array_keys($changes['remove'])); |
| | | if (PEAR::isError($result)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $result; |
| | | } |
| | | $query.= 'ADD '; |
| | | foreach ($changes['add'] as $field_name => $field) { |
| | | if ($query) { |
| | | $query.= ', '; |
| | | } |
| | | $query.= $db->getDeclaration($field['type'], $field_name, $field); |
| | | $result = $this->_dropConflictingConstraints($name, array_keys($changes['remove'])); |
| | | if (PEAR::isError($result)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $result; |
| | | } |
| | | } |
| | | if(array_key_exists('remove', $changes)) { |
| | | if ($query) { |
| | | $query.= ', '; |
| | | } |
| | | $query.= 'DROP COLUMN'; |
| | | |
| | | $query = ''; |
| | | foreach ($changes['remove'] as $field_name => $field) { |
| | | if ($query) { |
| | | $query.= ', '; |
| | | } |
| | | $query.= $db->getDeclaration($field['type'], $field_name, $field); |
| | | $field_name = $db->quoteIdentifier($field_name, true); |
| | | $query.= 'COLUMN ' . $field_name; |
| | | } |
| | | |
| | | $result = $db->exec("ALTER TABLE $name_quoted DROP $query"); |
| | | if (PEAR::isError($result)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $result; |
| | | } |
| | | } |
| | | |
| | | |
| | | if (!$query) { |
| | | return MDB2_OK; |
| | | if (!empty($changes['rename']) && is_array($changes['rename'])) { |
| | | foreach ($changes['rename'] as $field_name => $field) { |
| | | $field_name = $db->quoteIdentifier($field_name, true); |
| | | $result = $db->exec("sp_rename '$name_quoted.$field_name', '".$field['name']."', 'COLUMN'"); |
| | | if (PEAR::isError($result)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $result; |
| | | } |
| | | } |
| | | } |
| | | |
| | | return $db->query("ALTER TABLE $name $query"); |
| | | if (!empty($changes['add']) && is_array($changes['add'])) { |
| | | $query = ''; |
| | | foreach ($changes['add'] as $field_name => $field) { |
| | | if ($query) { |
| | | $query.= ', '; |
| | | } else { |
| | | $query.= 'ADD '; |
| | | } |
| | | $query.= $db->getDeclaration($field['type'], $field_name, $field); |
| | | } |
| | | |
| | | $result = $db->exec("ALTER TABLE $name_quoted $query"); |
| | | if (PEAR::isError($result)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $result; |
| | | } |
| | | } |
| | | |
| | | $dropped_indices = array(); |
| | | $dropped_constraints = array(); |
| | | |
| | | if (!empty($changes['change']) && is_array($changes['change'])) { |
| | | $dropped = $this->_dropConflictingIndices($name, array_keys($changes['change'])); |
| | | if (PEAR::isError($dropped)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $dropped; |
| | | } |
| | | $dropped_indices = array_merge($dropped_indices, $dropped); |
| | | $dropped = $this->_dropConflictingConstraints($name, array_keys($changes['change'])); |
| | | if (PEAR::isError($dropped)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $dropped; |
| | | } |
| | | $dropped_constraints = array_merge($dropped_constraints, $dropped); |
| | | |
| | | foreach ($changes['change'] as $field_name => $field) { |
| | | //MSSQL doesn't allow multiple ALTER COLUMNs in one query |
| | | $query = 'ALTER COLUMN '; |
| | | |
| | | //MSSQL doesn't allow changing the DEFAULT value of a field in altering mode |
| | | if (array_key_exists('default', $field['definition'])) { |
| | | unset($field['definition']['default']); |
| | | } |
| | | |
| | | $query .= $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']); |
| | | $result = $db->exec("ALTER TABLE $name_quoted $query"); |
| | | if (PEAR::isError($result)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $result; |
| | | } |
| | | } |
| | | } |
| | | |
| | | // restore the dropped conflicting indices and constraints |
| | | foreach ($dropped_indices as $index_name => $index) { |
| | | $result = $this->createIndex($name, $index_name, $index); |
| | | if (PEAR::isError($result)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $result; |
| | | } |
| | | } |
| | | foreach ($dropped_constraints as $constraint_name => $constraint) { |
| | | $result = $this->createConstraint($name, $constraint_name, $constraint); |
| | | if (PEAR::isError($result)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $result; |
| | | } |
| | | } |
| | | |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | |
| | | if (!empty($changes['name'])) { |
| | | $new_name = $db->quoteIdentifier($changes['name'], true); |
| | | $result = $db->exec("sp_rename '$name_quoted', '$new_name'"); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | } |
| | | |
| | | return MDB2_OK; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _dropConflictingIndices() |
| | | |
| | | /** |
| | | * Drop the indices that prevent a successful ALTER TABLE action |
| | | * |
| | | * @param string $table table name |
| | | * @param array $fields array of names of the fields affected by the change |
| | | * |
| | | * @return array dropped indices definitions |
| | | */ |
| | | function _dropConflictingIndices($table, $fields) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $dropped = array(); |
| | | $index_names = $this->listTableIndexes($table); |
| | | if (PEAR::isError($index_names)) { |
| | | return $index_names; |
| | | } |
| | | $db->loadModule('Reverse'); |
| | | $indexes = array(); |
| | | foreach ($index_names as $index_name) { |
| | | $idx_def = $db->reverse->getTableIndexDefinition($table, $index_name); |
| | | if (!PEAR::isError($idx_def)) { |
| | | $indexes[$index_name] = $idx_def; |
| | | } |
| | | } |
| | | foreach ($fields as $field_name) { |
| | | foreach ($indexes as $index_name => $index) { |
| | | if (!isset($dropped[$index_name]) && array_key_exists($field_name, $index['fields'])) { |
| | | $dropped[$index_name] = $index; |
| | | $result = $this->dropIndex($table, $index_name); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | return $dropped; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _dropConflictingConstraints() |
| | | |
| | | /** |
| | | * Drop the constraints that prevent a successful ALTER TABLE action |
| | | * |
| | | * @param string $table table name |
| | | * @param array $fields array of names of the fields affected by the change |
| | | * |
| | | * @return array dropped constraints definitions |
| | | */ |
| | | function _dropConflictingConstraints($table, $fields) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $dropped = array(); |
| | | $constraint_names = $this->listTableConstraints($table); |
| | | if (PEAR::isError($constraint_names)) { |
| | | return $constraint_names; |
| | | } |
| | | $db->loadModule('Reverse'); |
| | | $constraints = array(); |
| | | foreach ($constraint_names as $constraint_name) { |
| | | $cons_def = $db->reverse->getTableConstraintDefinition($table, $constraint_name); |
| | | if (!PEAR::isError($cons_def)) { |
| | | $constraints[$constraint_name] = $cons_def; |
| | | } |
| | | } |
| | | foreach ($fields as $field_name) { |
| | | foreach ($constraints as $constraint_name => $constraint) { |
| | | if (!isset($dropped[$constraint_name]) && array_key_exists($field_name, $constraint['fields'])) { |
| | | $dropped[$constraint_name] = $constraint; |
| | | $result = $this->dropConstraint($table, $constraint_name); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | } |
| | | } |
| | | // also drop implicit DEFAULT constraints |
| | | $default = $this->_getTableFieldDefaultConstraint($table, $field_name); |
| | | if (!PEAR::isError($default) && !empty($default)) { |
| | | $result = $this->dropConstraint($table, $default); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | } |
| | | } |
| | | |
| | | return $dropped; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getTableFieldDefaultConstraint() |
| | | |
| | | /** |
| | | * Get the default constraint for a table field |
| | | * |
| | | * @param string $table name of table that should be used in method |
| | | * @param string $field name of field that should be used in method |
| | | * |
| | | * @return mixed name of default constraint on success, a MDB2 error on failure |
| | | * @access private |
| | | */ |
| | | function _getTableFieldDefaultConstraint($table, $field) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $table = $db->quoteIdentifier($table, true); |
| | | $field = $db->quote($field, 'text'); |
| | | $query = "SELECT OBJECT_NAME(syscolumns.cdefault) |
| | | FROM syscolumns |
| | | WHERE syscolumns.id = object_id('$table') |
| | | AND syscolumns.name = $field |
| | | AND syscolumns.cdefault <> 0"; |
| | | return $db->queryOne($query); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | /** |
| | | * list all tables in the current database |
| | | * |
| | | * @return mixed data array on success, a MDB error on failure |
| | | * @return mixed array of table names on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function listTables() |
| | |
| | | if (PEAR::isError($table_names)) { |
| | | return $table_names; |
| | | } |
| | | |
| | | $tables = array(); |
| | | for ($i = 0, $j = count($table_names); $i <$j; ++$i) { |
| | | if (!$this->_isSequenceName($db, $table_names[$i])) { |
| | | $tables[] = $table_names[$i]; |
| | | $result = array(); |
| | | foreach ($table_names as $table_name) { |
| | | if (!$this->_fixSequenceName($table_name, true)) { |
| | | $result[] = $table_name; |
| | | } |
| | | } |
| | | return $tables; |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $result = array_map(($db->options['field_case'] == CASE_LOWER ? |
| | | 'strtolower' : 'strtoupper'), $result); |
| | | } |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ listTableFields() |
| | | |
| | | /** |
| | | * list all fields in a tables in the current database |
| | | * list all fields in a table in the current database |
| | | * |
| | | * @param string $table name of table that should be used in method |
| | | * @return mixed data array on success, a MDB error on failure |
| | | * |
| | | * @return mixed array of field names on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function listTableFields($table) |
| | |
| | | return $db; |
| | | } |
| | | |
| | | $result = $db->query("SELECT * FROM [$table]"); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | $columns = $result->getColumnNames(); |
| | | $result->free(); |
| | | $table = $db->quoteIdentifier($table, true); |
| | | $columns = $db->queryCol("SELECT c.name |
| | | FROM syscolumns c |
| | | LEFT JOIN sysobjects o ON c.id = o.id |
| | | WHERE o.name = '$table'"); |
| | | if (PEAR::isError($columns)) { |
| | | return $columns; |
| | | } |
| | | return array_flip($columns); |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $columns = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $columns); |
| | | } |
| | | return $columns; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | /** |
| | | * list all indexes in a table |
| | | * |
| | | * @param string $table name of table that should be used in method |
| | | * @return mixed data array on success, a MDB error on failure |
| | | * @param string $table name of table that should be used in method |
| | | * |
| | | * @return mixed array of index names on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function listTableIndexes($table) |
| | |
| | | $pk_name = strtoupper($pk_name); |
| | | } |
| | | } |
| | | $query = "EXEC sp_statistics @table_name='$table'"; |
| | | $indexes_all = $db->queryCol($query, 'text', $key_name); |
| | | if (PEAR::isError($indexes_all)) { |
| | | return $indexes_all; |
| | | $table = $db->quote($table, 'text'); |
| | | $query = "EXEC sp_statistics @table_name=$table"; |
| | | $indexes = $db->queryCol($query, 'text', $key_name); |
| | | if (PEAR::isError($indexes)) { |
| | | return $indexes; |
| | | } |
| | | $query = "EXEC sp_pkeys @table_name='$table'"; |
| | | $query = "EXEC sp_pkeys @table_name=$table"; |
| | | $pk_all = $db->queryCol($query, 'text', $pk_name); |
| | | $found = $indexes = array(); |
| | | for ($index = 0, $j = count($indexes_all); $index < $j; ++$index) { |
| | | if (!in_array($indexes_all[$index], $pk_all) |
| | | && $indexes_all[$index] != null |
| | | && !isset($found[$indexes_all[$index]]) |
| | | ) { |
| | | $indexes[] = $indexes_all[$index]; |
| | | $found[$indexes_all[$index]] = 1; |
| | | $result = array(); |
| | | foreach ($indexes as $index) { |
| | | if (!in_array($index, $pk_all) && ($index = $this->_fixIndexName($index))) { |
| | | $result[$index] = true; |
| | | } |
| | | } |
| | | return $indexes; |
| | | |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $result = array_change_key_case($result, $db->options['field_case']); |
| | | } |
| | | return array_keys($result); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ listDatabases() |
| | | |
| | | /** |
| | | * list all databases |
| | | * |
| | | * @return mixed array of database names on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function listDatabases() |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $result = $db->queryCol('SELECT name FROM sys.databases'); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); |
| | | } |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ listUsers() |
| | | |
| | | /** |
| | | * list all users |
| | | * |
| | | * @return mixed array of user names on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function listUsers() |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $result = $db->queryCol('SELECT DISTINCT loginame FROM master..sysprocesses'); |
| | | if (PEAR::isError($result) || empty($result)) { |
| | | return $result; |
| | | } |
| | | foreach (array_keys($result) as $k) { |
| | | $result[$k] = trim($result[$k]); |
| | | } |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ listFunctions() |
| | | |
| | | /** |
| | | * list all functions in the current database |
| | | * |
| | | * @return mixed array of function names on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function listFunctions() |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $query = "SELECT name |
| | | FROM sysobjects |
| | | WHERE objectproperty(id, N'IsMSShipped') = 0 |
| | | AND (objectproperty(id, N'IsTableFunction') = 1 |
| | | OR objectproperty(id, N'IsScalarFunction') = 1)"; |
| | | /* |
| | | SELECT ROUTINE_NAME |
| | | FROM INFORMATION_SCHEMA.ROUTINES |
| | | WHERE ROUTINE_TYPE = 'FUNCTION' |
| | | */ |
| | | $result = $db->queryCol($query); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); |
| | | } |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ listTableTriggers() |
| | | |
| | | /** |
| | | * list all triggers in the database that reference a given table |
| | | * |
| | | * @param string table for which all referenced triggers should be found |
| | | * |
| | | * @return mixed array of trigger names on success, otherwise, false which |
| | | * could be a db error if the db is not instantiated or could |
| | | * be the results of the error that occured during the |
| | | * querying of the sysobject module. |
| | | * @access public |
| | | */ |
| | | function listTableTriggers($table = null) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $table = $db->quote($table, 'text'); |
| | | $query = "SELECT o.name |
| | | FROM sysobjects o |
| | | WHERE xtype = 'TR' |
| | | AND OBJECTPROPERTY(o.id, 'IsMSShipped') = 0"; |
| | | if (!is_null($table)) { |
| | | $query .= " AND object_name(parent_obj) = $table"; |
| | | } |
| | | |
| | | $result = $db->queryCol($query); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE && |
| | | $db->options['field_case'] == CASE_LOWER) |
| | | { |
| | | $result = array_map(($db->options['field_case'] == CASE_LOWER ? |
| | | 'strtolower' : 'strtoupper'), $result); |
| | | } |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ listViews() |
| | | |
| | | /** |
| | | * list all views in the current database |
| | | * |
| | | * @param string database, the current is default |
| | | * |
| | | * @return mixed array of view names on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function listViews() |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $query = "SELECT name |
| | | FROM sysobjects |
| | | WHERE xtype = 'V'"; |
| | | /* |
| | | SELECT * |
| | | FROM sysobjects |
| | | WHERE objectproperty(id, N'IsMSShipped') = 0 |
| | | AND objectproperty(id, N'IsView') = 1 |
| | | */ |
| | | |
| | | $result = $db->queryCol($query); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE && |
| | | $db->options['field_case'] == CASE_LOWER) |
| | | { |
| | | $result = array_map(($db->options['field_case'] == CASE_LOWER ? |
| | | 'strtolower' : 'strtoupper'), $result); |
| | | } |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ dropIndex() |
| | | |
| | | /** |
| | | * drop existing index |
| | | * |
| | | * @param string $table name of table that should be used in method |
| | | * @param string $name name of the index to be dropped |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function dropIndex($table, $name) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $table = $db->quoteIdentifier($table, true); |
| | | $name = $db->quoteIdentifier($db->getIndexName($name), true); |
| | | return $db->exec("DROP INDEX $table.$name"); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ listTableConstraints() |
| | | |
| | | /** |
| | | * list all constraints in a table |
| | | * |
| | | * @param string $table name of table that should be used in method |
| | | * |
| | | * @return mixed array of constraint names on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function listTableConstraints($table) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | $table = $db->quoteIdentifier($table, true); |
| | | |
| | | $query = "SELECT c.constraint_name |
| | | FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS c |
| | | WHERE c.constraint_catalog = DB_NAME() |
| | | AND c.table_name = '$table'"; |
| | | $constraints = $db->queryCol($query); |
| | | if (PEAR::isError($constraints)) { |
| | | return $constraints; |
| | | } |
| | | |
| | | $result = array(); |
| | | foreach ($constraints as $constraint) { |
| | | $constraint = $this->_fixIndexName($constraint); |
| | | if (!empty($constraint)) { |
| | | $result[$constraint] = true; |
| | | } |
| | | } |
| | | |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $result = array_change_key_case($result, $db->options['field_case']); |
| | | } |
| | | return array_keys($result); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | /** |
| | | * create sequence |
| | | * |
| | | * @param string $seq_name name of the sequence to be created |
| | | * @param string $start start value of the sequence; default is 1 |
| | | * @param string $seq_name name of the sequence to be created |
| | | * @param string $start start value of the sequence; default is 1 |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function createSequence($seq_name, $start = 1) |
| | | { |
| | | |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $sequence_name = $db->getSequenceName($seq_name); |
| | | $seqcol_name = $db->options['seqcol_name']; |
| | | $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true); |
| | | $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true); |
| | | $query = "CREATE TABLE $sequence_name ($seqcol_name " . |
| | | "INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)"; |
| | | |
| | | $res = $db->query($query); |
| | | if(PEAR::isError($res)) { |
| | | $res = $db->exec($query); |
| | | if (PEAR::isError($res)) { |
| | | return $res; |
| | | } |
| | | |
| | | if ($start == 1) { |
| | | return MDB2_OK; |
| | | } |
| | | |
| | | $query = "SET IDENTITY_INSERT $sequence_name ON ". |
| | | "INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)"; |
| | | $res = $db->query($query); |
| | | $res = $db->exec($query); |
| | | |
| | | if(!PEAR::isError($res)) { |
| | | if (!PEAR::isError($res)) { |
| | | return MDB2_OK; |
| | | } |
| | | |
| | | $result = $db->query("DROP TABLE $sequence_name"); |
| | | if(PEAR::isError($result)) { |
| | | return $db->raiseError(MDB2_ERROR, null, null, |
| | | 'createSequence: could not drop inconsistent sequence table ('. |
| | | $result->getMessage().' ('.$result->getUserInfo(). '))'); |
| | | $result = $db->exec("DROP TABLE $sequence_name"); |
| | | if (PEAR::isError($result)) { |
| | | return $db->raiseError($result, null, null, |
| | | 'could not drop inconsistent sequence table', __FUNCTION__); |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR, null, null, |
| | | 'createSequence: could not create sequence table ('. |
| | | $res->getMessage(). ' ('.$res->getUserInfo(). '))'); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ createIndex() |
| | | /** |
| | | * Adds an index to a table. |
| | | * |
| | | * @param string $table The name of the table |
| | | * @param string $name The name of the field |
| | | * @param array $definition The definition of the new field. |
| | | */ |
| | | function createIndex($table, $name, $definition) |
| | | { |
| | | return $db->raiseError($res, null, null, |
| | | 'could not create sequence table', __FUNCTION__); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ dropSequence() |
| | | |
| | | /** |
| | | * drop existing sequence |
| | | * This function drops an existing sequence |
| | | * |
| | | * @param string $seq_name name of the sequence to be dropped |
| | | * @param string $seq_name name of the sequence to be dropped |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | |
| | | return $db; |
| | | } |
| | | |
| | | $sequence_name = $db->getSequenceName($seq_name); |
| | | return $db->query("DROP TABLE $sequence_name"); |
| | | $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true); |
| | | return $db->exec("DROP TABLE $sequence_name"); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | /** |
| | | * list all sequences in the current database |
| | | * |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * @return mixed array of sequence names on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function listSequences() |
| | |
| | | if (PEAR::isError($table_names)) { |
| | | return $table_names; |
| | | } |
| | | $sequences = array(); |
| | | for ($i = 0, $j = count($table_names); $i <$j; ++$i) { |
| | | if ($this->_isSequenceName($db, $table_names[$i])) { |
| | | $sequences[] = $table_names[$i]; |
| | | $result = array(); |
| | | foreach ($table_names as $table_name) { |
| | | if ($sqn = $this->_fixSequenceName($table_name, true)) { |
| | | $result[] = $sqn; |
| | | } |
| | | } |
| | | return $sequences; |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | $result = array_map(($db->options['field_case'] == CASE_LOWER ? |
| | | 'strtolower' : 'strtoupper'), $result); |
| | | } |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | | } |
| | | |
| | | // }}} |
| | | ?> |
| | | ?> |