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| | |
| | | // +----------------------------------------------------------------------+ |
| | | // | PHP versions 4 and 5 | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Stig. S. Bakken, Lukas Smith | |
| | | // | All rights reserved. | |
| | | // +----------------------------------------------------------------------+ |
| | |
| | | // | Author: Lukas Smith <smith@pooteeweet.org> | |
| | | // +----------------------------------------------------------------------+ |
| | | // |
| | | // $Id$ |
| | | // $Id: Common.php,v 1.137 2008/02/17 18:53:40 afz Exp $ |
| | | |
| | | require_once 'MDB2/LOB.php'; |
| | | |
| | |
| | | /** |
| | | * MDB2_Driver_Common: Base class that is extended by each MDB2 driver |
| | | * |
| | | * To load this module in the MDB2 object: |
| | | * $mdb->loadModule('Datatype'); |
| | | * |
| | | * @package MDB2 |
| | | * @category Database |
| | | * @author Lukas Smith <smith@pooteeweet.org> |
| | | */ |
| | | class MDB2_Driver_Datatype_Common extends MDB2_Module_Common |
| | | { |
| | | var $valid_types = array( |
| | | 'text' => true, |
| | | var $valid_default_values = array( |
| | | 'text' => '', |
| | | 'boolean' => true, |
| | | 'integer' => true, |
| | | 'decimal' => true, |
| | | 'float' => true, |
| | | 'date' => true, |
| | | 'time' => true, |
| | | 'timestamp' => true, |
| | | 'clob' => true, |
| | | 'blob' => true, |
| | | 'integer' => 0, |
| | | 'decimal' => 0.0, |
| | | 'float' => 0.0, |
| | | 'timestamp' => '1970-01-01 00:00:00', |
| | | 'time' => '00:00:00', |
| | | 'date' => '1970-01-01', |
| | | 'clob' => '', |
| | | 'blob' => '', |
| | | ); |
| | | |
| | | /** |
| | | * contains all LOB objects created with this MDB2 instance |
| | | * @var array |
| | | * @access protected |
| | | */ |
| | | * @var array |
| | | * @access protected |
| | | */ |
| | | var $lobs = array(); |
| | | |
| | | // }}} |
| | | // {{{ setResultTypes() |
| | | // {{{ getValidTypes() |
| | | |
| | | /** |
| | | * Get the list of valid types |
| | | * |
| | | * This function returns an array of valid types as keys with the values |
| | | * being possible default values for all native datatypes and mapped types |
| | | * for custom datatypes. |
| | | * |
| | | * @return mixed array on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function getValidTypes() |
| | | { |
| | | $types = $this->valid_default_values; |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | if (!empty($db->options['datatype_map'])) { |
| | | foreach ($db->options['datatype_map'] as $type => $mapped_type) { |
| | | if (array_key_exists($mapped_type, $types)) { |
| | | $types[$type] = $types[$mapped_type]; |
| | | } elseif (!empty($db->options['datatype_map_callback'][$type])) { |
| | | $parameter = array('type' => $type, 'mapped_type' => $mapped_type); |
| | | $default = call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); |
| | | $types[$type] = $default; |
| | | } |
| | | } |
| | | } |
| | | return $types; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ checkResultTypes() |
| | | |
| | | /** |
| | | * Define the list of types to be associated with the columns of a given |
| | |
| | | * function is not called, the type of all result set columns is assumed |
| | | * to be text, thus leading to not perform any conversions. |
| | | * |
| | | * @param resource $result result identifier |
| | | * @param string $types array variable that lists the |
| | | * @param array $types array variable that lists the |
| | | * data types to be expected in the result set columns. If this array |
| | | * contains less types than the number of columns that are returned |
| | | * in the result set, the remaining columns are assumed to be of the |
| | |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function setResultTypes(&$result, $types) |
| | | function checkResultTypes($types) |
| | | { |
| | | $types = is_array($types) ? array_values($types) : array($types); |
| | | $types = is_array($types) ? $types : array($types); |
| | | foreach ($types as $key => $type) { |
| | | if (!isset($this->valid_types[$type])) { |
| | | if (!isset($this->valid_default_values[$type])) { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'setResultTypes: ' . $type . ' for '. $key .' is not a supported column type'); |
| | | if (empty($db->options['datatype_map'][$type])) { |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | $type.' for '.$key.' is not a supported column type', __FUNCTION__); |
| | | } |
| | | } |
| | | } |
| | | $result->types = $types; |
| | | return MDB2_OK; |
| | | return $types; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _baseConvertResult() |
| | | |
| | | /** |
| | | * general type conversion method |
| | | * General type conversion method |
| | | * |
| | | * @param mixed $value refernce to a value to be converted |
| | | * @param int $type constant that specifies which type to convert to |
| | | * @return object a MDB2 error on failure |
| | | * @param mixed $value reference to a value to be converted |
| | | * @param string $type specifies which type to convert to |
| | | * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text |
| | | * @return object an MDB2 error on failure |
| | | * @access protected |
| | | */ |
| | | function _baseConvertResult($value, $type) |
| | | function _baseConvertResult($value, $type, $rtrim = true) |
| | | { |
| | | switch ($type) { |
| | | case 'text': |
| | | if ($rtrim) { |
| | | $value = rtrim($value); |
| | | } |
| | | return $value; |
| | | case 'integer': |
| | | return intval($value); |
| | | case 'boolean': |
| | | return $value == 'Y'; |
| | | return !empty($value); |
| | | case 'decimal': |
| | | return $value; |
| | | case 'float': |
| | |
| | | 'position' => 0, |
| | | 'lob_index' => null, |
| | | 'endOfLOB' => false, |
| | | 'ressource' => $value, |
| | | 'resource' => $value, |
| | | 'value' => null, |
| | | 'loaded' => false, |
| | | ); |
| | | end($this->lobs); |
| | | $lob_index = key($this->lobs); |
| | |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR_INVALID, null, null, |
| | | 'attempt to convert result value to an unknown type ' . $type); |
| | | 'attempt to convert result value to an unknown type :' . $type, __FUNCTION__); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ convertResult() |
| | | |
| | | /** |
| | | * convert a value to a RDBMS indepdenant MDB2 type |
| | | * Convert a value to a RDBMS indipendent MDB2 type |
| | | * |
| | | * @param mixed $value value to be converted |
| | | * @param int $type constant that specifies which type to convert to |
| | | * @return mixed converted value or a MDB2 error on failure |
| | | * @param mixed $value value to be converted |
| | | * @param string $type specifies which type to convert to |
| | | * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text |
| | | * @return mixed converted value |
| | | * @access public |
| | | */ |
| | | function convertResult($value, $type) |
| | | function convertResult($value, $type, $rtrim = true) |
| | | { |
| | | if (is_null($value)) { |
| | | return null; |
| | | } |
| | | return $this->_baseConvertResult($value, $type); |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | if (!empty($db->options['datatype_map'][$type])) { |
| | | $type = $db->options['datatype_map'][$type]; |
| | | if (!empty($db->options['datatype_map_callback'][$type])) { |
| | | $parameter = array('type' => $type, 'value' => $value, 'rtrim' => $rtrim); |
| | | return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); |
| | | } |
| | | } |
| | | return $this->_baseConvertResult($value, $type, $rtrim); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ convertResultRow() |
| | | |
| | | /** |
| | | * Convert a result row |
| | | * |
| | | * @param array $types |
| | | * @param array $row specifies the types to convert to |
| | | * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text |
| | | * @return mixed MDB2_OK on success, an MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function convertResultRow($types, $row, $rtrim = true) |
| | | { |
| | | $types = $this->_sortResultFieldTypes(array_keys($row), $types); |
| | | foreach ($row as $key => $value) { |
| | | if (empty($types[$key])) { |
| | | continue; |
| | | } |
| | | $value = $this->convertResult($row[$key], $types[$key], $rtrim); |
| | | if (PEAR::isError($value)) { |
| | | return $value; |
| | | } |
| | | $row[$key] = $value; |
| | | } |
| | | return $row; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _sortResultFieldTypes() |
| | | |
| | | /** |
| | | * convert a result row |
| | | * |
| | | * @param resource $result result identifier |
| | | * @param array $row array with data |
| | | * @param array $types |
| | | * @param array $row specifies the types to convert to |
| | | * @param bool $rtrim if to rtrim text values or not |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function convertResultRow($types, $row) |
| | | function _sortResultFieldTypes($columns, $types) |
| | | { |
| | | if (is_array($types)) { |
| | | $current_column = -1; |
| | | foreach ($row as $key => $column) { |
| | | ++$current_column; |
| | | if (!isset($column) || !isset($types[$current_column])) { |
| | | continue; |
| | | } |
| | | $value = $this->convertResult($row[$key], $types[$current_column]); |
| | | if (PEAR::isError($value)) { |
| | | return $value; |
| | | } |
| | | $row[$key] = $value; |
| | | $n_cols = count($columns); |
| | | $n_types = count($types); |
| | | if ($n_cols > $n_types) { |
| | | for ($i= $n_cols - $n_types; $i >= 0; $i--) { |
| | | $types[] = null; |
| | | } |
| | | } |
| | | return $row; |
| | | $sorted_types = array(); |
| | | foreach ($columns as $col) { |
| | | $sorted_types[$col] = null; |
| | | } |
| | | foreach ($types as $name => $type) { |
| | | if (array_key_exists($name, $sorted_types)) { |
| | | $sorted_types[$name] = $type; |
| | | unset($types[$name]); |
| | | } |
| | | } |
| | | // if there are left types in the array, fill the null values of the |
| | | // sorted array with them, in order. |
| | | if (count($types)) { |
| | | reset($types); |
| | | foreach (array_keys($sorted_types) as $k) { |
| | | if (is_null($sorted_types[$k])) { |
| | | $sorted_types[$k] = current($types); |
| | | next($types); |
| | | } |
| | | } |
| | | } |
| | | return $sorted_types; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | */ |
| | | function getDeclaration($type, $name, $field) |
| | | { |
| | | if (!method_exists($this, "_get{$type}Declaration")) { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | return $db->raiseError('type not defined: '.$type); |
| | | if (!empty($db->options['datatype_map'][$type])) { |
| | | $type = $db->options['datatype_map'][$type]; |
| | | if (!empty($db->options['datatype_map_callback'][$type])) { |
| | | $parameter = array('type' => $type, 'name' => $name, 'field' => $field); |
| | | return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); |
| | | } |
| | | $field['type'] = $type; |
| | | } |
| | | |
| | | if (!method_exists($this, "_get{$type}Declaration")) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | 'type not defined: '.$type, __FUNCTION__); |
| | | } |
| | | return $this->{"_get{$type}Declaration"}($name, $field); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getTypeDeclaration() |
| | | |
| | | /** |
| | | * Obtain DBMS specific SQL code portion needed to declare an text type |
| | | * field to be used in statements like CREATE TABLE. |
| | | * |
| | | * @param array $field associative array with the name of the properties |
| | | * of the field being declared as array indexes. Currently, the types |
| | | * of supported field properties are as follows: |
| | | * |
| | | * length |
| | | * Integer value that determines the maximum length of the text |
| | | * field. If this argument is missing the field should be |
| | | * declared to have the longest length allowed by the DBMS. |
| | | * |
| | | * default |
| | | * Text value to be used as default for this field. |
| | | * |
| | | * notnull |
| | | * Boolean flag that indicates whether this field is constrained |
| | | * to not be set to null. |
| | | * @return string DBMS specific SQL code portion that should be used to |
| | | * declare the specified field. |
| | | * @access public |
| | | */ |
| | | function getTypeDeclaration($field) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | switch ($field['type']) { |
| | | case 'text': |
| | | $length = !empty($field['length']) ? $field['length'] : $db->options['default_text_field_length']; |
| | | $fixed = !empty($field['fixed']) ? $field['fixed'] : false; |
| | | return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')') |
| | | : ($length ? 'VARCHAR('.$length.')' : 'TEXT'); |
| | | case 'clob': |
| | | return 'TEXT'; |
| | | case 'blob': |
| | | return 'TEXT'; |
| | | case 'integer': |
| | | return 'INT'; |
| | | case 'boolean': |
| | | return 'INT'; |
| | | case 'date': |
| | | return 'CHAR ('.strlen('YYYY-MM-DD').')'; |
| | | case 'time': |
| | | return 'CHAR ('.strlen('HH:MM:SS').')'; |
| | | case 'timestamp': |
| | | return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')'; |
| | | case 'float': |
| | | return 'TEXT'; |
| | | case 'decimal': |
| | | return 'TEXT'; |
| | | } |
| | | return ''; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getDeclaration() |
| | | |
| | | /** |
| | | * Obtain DBMS specific SQL code portion needed to declare a generic type |
| | | * field to be used in statements like CREATE TABLE. |
| | | * |
| | | * @param string $name name the field to be declared. |
| | | * @param array $field associative array with the name of the properties |
| | | * of the field being declared as array indexes. Currently, the types |
| | | * of supported field properties are as follows: |
| | | * |
| | | * length |
| | | * Integer value that determines the maximum length of the text |
| | | * field. If this argument is missing the field should be |
| | | * declared to have the longest length allowed by the DBMS. |
| | | * |
| | | * default |
| | | * Text value to be used as default for this field. |
| | | * |
| | | * notnull |
| | | * Boolean flag that indicates whether this field is constrained |
| | | * to not be set to null. |
| | | * charset |
| | | * Text value with the default CHARACTER SET for this field. |
| | | * collation |
| | | * Text value with the default COLLATION for this field. |
| | | * @return string DBMS specific SQL code portion that should be used to |
| | | * declare the specified field, or a MDB2_Error on failure |
| | | * @access protected |
| | | */ |
| | | function _getDeclaration($name, $field) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $name = $db->quoteIdentifier($name, true); |
| | | $declaration_options = $db->datatype->_getDeclarationOptions($field); |
| | | if (PEAR::isError($declaration_options)) { |
| | | return $declaration_options; |
| | | } |
| | | return $name.' '.$this->getTypeDeclaration($field).$declaration_options; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getDeclarationOptions() |
| | | |
| | | /** |
| | | * Obtain DBMS specific SQL code portion needed to declare a generic type |
| | | * field to be used in statement like CREATE TABLE, without the field name |
| | | * and type values (ie. just the character set, default value, if the |
| | | * field is permitted to be NULL or not, and the collation options). |
| | | * |
| | | * @param array $field associative array with the name of the properties |
| | | * of the field being declared as array indexes. Currently, the types |
| | | * of supported field properties are as follows: |
| | | * |
| | | * default |
| | | * Text value to be used as default for this field. |
| | | * notnull |
| | | * Boolean flag that indicates whether this field is constrained |
| | | * to not be set to null. |
| | | * charset |
| | | * Text value with the default CHARACTER SET for this field. |
| | | * collation |
| | | * Text value with the default COLLATION for this field. |
| | | * @return string DBMS specific SQL code portion that should be used to |
| | | * declare the specified field's options. |
| | | * @access protected |
| | | */ |
| | | function _getDeclarationOptions($field) |
| | | { |
| | | $charset = empty($field['charset']) ? '' : |
| | | ' '.$this->_getCharsetFieldDeclaration($field['charset']); |
| | | |
| | | $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; |
| | | $default = ''; |
| | | if (array_key_exists('default', $field)) { |
| | | if ($field['default'] === '') { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | $valid_default_values = $this->getValidTypes(); |
| | | $field['default'] = $valid_default_values[$field['type']]; |
| | | if ($field['default'] === ''&& ($db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)) { |
| | | $field['default'] = ' '; |
| | | } |
| | | } |
| | | if (!is_null($field['default'])) { |
| | | $default = ' DEFAULT ' . $this->quote($field['default'], $field['type']); |
| | | } |
| | | } |
| | | |
| | | $collation = empty($field['collation']) ? '' : |
| | | ' '.$this->_getCollationFieldDeclaration($field['collation']); |
| | | |
| | | return $charset.$default.$notnull.$collation; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getCharsetFieldDeclaration() |
| | | |
| | | /** |
| | | * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET |
| | | * of a field declaration to be used in statements like CREATE TABLE. |
| | | * |
| | | * @param string $charset name of the charset |
| | | * @return string DBMS specific SQL code portion needed to set the CHARACTER SET |
| | | * of a field declaration. |
| | | */ |
| | | function _getCharsetFieldDeclaration($charset) |
| | | { |
| | | return ''; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getCollationFieldDeclaration() |
| | | |
| | | /** |
| | | * Obtain DBMS specific SQL code portion needed to set the COLLATION |
| | | * of a field declaration to be used in statements like CREATE TABLE. |
| | | * |
| | | * @param string $collation name of the collation |
| | | * @return string DBMS specific SQL code portion needed to set the COLLATION |
| | | * of a field declaration. |
| | | */ |
| | | function _getCollationFieldDeclaration($collation) |
| | | { |
| | | return ''; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | */ |
| | | function _getIntegerDeclaration($name, $field) |
| | | { |
| | | if (array_key_exists('unsigned', $field) && $field['unsigned']) { |
| | | if (!empty($field['unsigned'])) { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | |
| | | |
| | | $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer"; |
| | | } |
| | | $default = array_key_exists('default', $field) ? ' DEFAULT '. |
| | | $this->quote($field['default'], 'integer') : ''; |
| | | $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; |
| | | return $name.' INT'.$default.$notnull; |
| | | return $this->_getDeclaration($name, $field); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | */ |
| | | function _getTextDeclaration($name, $field) |
| | | { |
| | | $default = array_key_exists('default', $field) ? ' DEFAULT '. |
| | | $this->quote($field['default'], 'text') : ''; |
| | | $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; |
| | | $type = array_key_exists('length', $field) ? 'CHAR ('.$field['length'].')' : 'TEXT'; |
| | | return $name.' '.$type.$default.$notnull; |
| | | return $this->_getDeclaration($name, $field); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * |
| | | * @param string $name name the field to be declared. |
| | | * @param array $field associative array with the name of the properties |
| | | * of the field being declared as array indexes. Currently, the types |
| | | * of supported field properties are as follows: |
| | | * of the field being declared as array indexes. Currently, the types |
| | | * of supported field properties are as follows: |
| | | * |
| | | * length |
| | | * Integer value that determines the maximum length of the large |
| | | * object field. If this argument is missing the field should be |
| | | * declared to have the longest length allowed by the DBMS. |
| | | * length |
| | | * Integer value that determines the maximum length of the large |
| | | * object field. If this argument is missing the field should be |
| | | * declared to have the longest length allowed by the DBMS. |
| | | * |
| | | * notnull |
| | | * Boolean flag that indicates whether this field is constrained |
| | | * to not be set to null. |
| | | * notnull |
| | | * Boolean flag that indicates whether this field is constrained |
| | | * to not be set to null. |
| | | * @return string DBMS specific SQL code portion that should be used to |
| | | * declare the specified field. |
| | | * @access protected |
| | | * declare the specified field. |
| | | * @access public |
| | | */ |
| | | function _getCLOBDeclaration($name, $field) |
| | | { |
| | | $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; |
| | | $type = array_key_exists('length', $field) ? 'CHAR ('.$field['length'].')' : 'TEXT'; |
| | | return $name.' '.$type.$notnull; |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; |
| | | $name = $db->quoteIdentifier($name, true); |
| | | return $name.' '.$this->getTypeDeclaration($field).$notnull; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * |
| | | * @param string $name name the field to be declared. |
| | | * @param array $field associative array with the name of the properties |
| | | * of the field being declared as array indexes. Currently, the types |
| | | * of supported field properties are as follows: |
| | | * of the field being declared as array indexes. Currently, the types |
| | | * of supported field properties are as follows: |
| | | * |
| | | * length |
| | | * Integer value that determines the maximum length of the large |
| | | * object field. If this argument is missing the field should be |
| | | * declared to have the longest length allowed by the DBMS. |
| | | * length |
| | | * Integer value that determines the maximum length of the large |
| | | * object field. If this argument is missing the field should be |
| | | * declared to have the longest length allowed by the DBMS. |
| | | * |
| | | * notnull |
| | | * Boolean flag that indicates whether this field is constrained |
| | | * to not be set to null. |
| | | * notnull |
| | | * Boolean flag that indicates whether this field is constrained |
| | | * to not be set to null. |
| | | * @return string DBMS specific SQL code portion that should be used to |
| | | * declare the specified field. |
| | | * declare the specified field. |
| | | * @access protected |
| | | */ |
| | | function _getBLOBDeclaration($name, $field) |
| | | { |
| | | $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; |
| | | $type = array_key_exists('length', $field) ? 'CHAR ('.$field['length'].')' : 'TEXT'; |
| | | return $name.' '.$type.$notnull; |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; |
| | | $name = $db->quoteIdentifier($name, true); |
| | | return $name.' '.$this->getTypeDeclaration($field).$notnull; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | */ |
| | | function _getBooleanDeclaration($name, $field) |
| | | { |
| | | $default = array_key_exists('default', $field) ? ' DEFAULT '. |
| | | $this->quote($field['default'], 'boolean') : ''; |
| | | $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; |
| | | return $name.' CHAR (1)'.$default.$notnull; |
| | | return $this->_getDeclaration($name, $field); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | */ |
| | | function _getDateDeclaration($name, $field) |
| | | { |
| | | $default = array_key_exists('default', $field) ? ' DEFAULT '. |
| | | $this->quote($field['default'], 'date') : ''; |
| | | $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; |
| | | return $name.' CHAR ('.strlen('YYYY-MM-DD').')'.$default.$notnull; |
| | | return $this->_getDeclaration($name, $field); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | */ |
| | | function _getTimestampDeclaration($name, $field) |
| | | { |
| | | $default = array_key_exists('default', $field) ? ' DEFAULT '. |
| | | $this->quote($field['default'], 'timestamp') : ''; |
| | | $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; |
| | | return $name.' CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')'.$default.$notnull; |
| | | return $this->_getDeclaration($name, $field); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | */ |
| | | function _getTimeDeclaration($name, $field) |
| | | { |
| | | $default = array_key_exists('default', $field) ? ' DEFAULT '. |
| | | $this->quote($field['default'], 'time') : ''; |
| | | $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; |
| | | return $name.' CHAR ('.strlen('HH:MM:SS').')'.$default.$notnull; |
| | | return $this->_getDeclaration($name, $field); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | */ |
| | | function _getFloatDeclaration($name, $field) |
| | | { |
| | | $default = array_key_exists('default', $field) ? ' DEFAULT '. |
| | | $this->quote($field['default'], 'float') : ''; |
| | | $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; |
| | | return $name.' TEXT'.$default.$notnull; |
| | | return $this->_getDeclaration($name, $field); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | */ |
| | | function _getDecimalDeclaration($name, $field) |
| | | { |
| | | $default = array_key_exists('default', $field) ? ' DEFAULT '. |
| | | $this->quote($field['default'], 'decimal') : ''; |
| | | $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; |
| | | return $name.' TEXT'.$default.$notnull; |
| | | return $this->_getDeclaration($name, $field); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access public |
| | | */ |
| | | function compareDefinition($current, $previous) |
| | | { |
| | | $type = array_key_exists('type', $current) ? $current['type'] : null; |
| | | $type = !empty($current['type']) ? $current['type'] : null; |
| | | |
| | | if (!method_exists($this, "_compare{$type}Definition")) { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | if (!empty($db->options['datatype_map_callback'][$type])) { |
| | | $parameter = array('current' => $current, 'previous' => $previous); |
| | | $change = call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); |
| | | return $change; |
| | | } |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'type "'.$current['type'].'" is not yet supported'); |
| | | 'type "'.$current['type'].'" is not yet supported', __FUNCTION__); |
| | | } |
| | | |
| | | if (!array_key_exists('type', $previous) || $previous['type'] != $type) { |
| | | if (empty($previous['type']) || $previous['type'] != $type) { |
| | | return $current; |
| | | } |
| | | |
| | | $change = $this->{"_compare{$type}Definition"}($current, $previous); |
| | | |
| | | $previous_notnull = array_key_exists('notnull', $previous) ? $previous['notnull'] : false; |
| | | $notnull = array_key_exists('notnull', $current) ? $current['notnull'] : false; |
| | | if ($previous['type'] != $type) { |
| | | $change['type'] = true; |
| | | } |
| | | |
| | | $previous_notnull = !empty($previous['notnull']) ? $previous['notnull'] : false; |
| | | $notnull = !empty($current['notnull']) ? $current['notnull'] : false; |
| | | if ($previous_notnull != $notnull) { |
| | | $change['notnull'] = true; |
| | | } |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access protected |
| | | */ |
| | | function _compareIntegerDefinition($current, $previous) |
| | | { |
| | | $change = array(); |
| | | $previous_unsigned = array_key_exists('unsigned', $previous) ? $previous['unsigned'] : false; |
| | | $unsigned = array_key_exists('unsigned', $current) ? $current['unsigned'] : false; |
| | | $previous_unsigned = !empty($previous['unsigned']) ? $previous['unsigned'] : false; |
| | | $unsigned = !empty($current['unsigned']) ? $current['unsigned'] : false; |
| | | if ($previous_unsigned != $unsigned) { |
| | | $change['unsigned'] = true; |
| | | } |
| | | $previous_autoincrement = array_key_exists('autoincrement', $previous) ? $previous['autoincrement'] : false; |
| | | $autoincrement = array_key_exists('autoincrement', $current) ? $current['autoincrement'] : false; |
| | | $previous_autoincrement = !empty($previous['autoincrement']) ? $previous['autoincrement'] : false; |
| | | $autoincrement = !empty($current['autoincrement']) ? $current['autoincrement'] : false; |
| | | if ($previous_autoincrement != $autoincrement) { |
| | | $change['autoincrement'] = true; |
| | | } |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access protected |
| | | */ |
| | | function _compareTextDefinition($current, $previous) |
| | | { |
| | | $change = array(); |
| | | $previous_length = array_key_exists('length', $previous) ? $previous['length'] : 0; |
| | | $length = array_key_exists('length', $current) ? $current['length'] : 0; |
| | | $previous_length = !empty($previous['length']) ? $previous['length'] : 0; |
| | | $length = !empty($current['length']) ? $current['length'] : 0; |
| | | if ($previous_length != $length) { |
| | | $change['length'] = true; |
| | | } |
| | | $previous_fixed = !empty($previous['fixed']) ? $previous['fixed'] : 0; |
| | | $fixed = !empty($current['fixed']) ? $current['fixed'] : 0; |
| | | if ($previous_fixed != $fixed) { |
| | | $change['fixed'] = true; |
| | | } |
| | | return $change; |
| | | } |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access protected |
| | | */ |
| | | function _compareCLOBDefinition($current, $previous) |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access protected |
| | | */ |
| | | function _compareBLOBDefinition($current, $previous) |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access protected |
| | | */ |
| | | function _compareDateDefinition($current, $previous) |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access protected |
| | | */ |
| | | function _compareTimeDefinition($current, $previous) |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access protected |
| | | */ |
| | | function _compareTimestampDefinition($current, $previous) |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access protected |
| | | */ |
| | | function _compareBooleanDefinition($current, $previous) |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access protected |
| | | */ |
| | | function _compareFloatDefinition($current, $previous) |
| | |
| | | * |
| | | * @param array $current new definition |
| | | * @param array $previous old definition |
| | | * @return array containg all changes that will need to be applied |
| | | * @return array containing all changes that will need to be applied |
| | | * @access protected |
| | | */ |
| | | function _compareDecimalDefinition($current, $previous) |
| | |
| | | * |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param string $type type to which the value should be converted to |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access public |
| | | */ |
| | | function quote($value, $type = null, $quote = true) |
| | | function quote($value, $type = null, $quote = true, $escape_wildcards = false) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | |
| | | $type = 'integer'; |
| | | break; |
| | | case 'double': |
| | | // todo |
| | | // todo: default to decimal as float is quite unusual |
| | | // $type = 'float'; |
| | | $type = 'decimal'; |
| | | $type = 'float'; |
| | | break; |
| | | case 'boolean': |
| | | $type = 'boolean'; |
| | | break; |
| | | case 'array': |
| | | $value = serialize($value); |
| | | case 'object': |
| | | $type = 'text'; |
| | | break; |
| | |
| | | } |
| | | break; |
| | | } |
| | | } elseif (!empty($db->options['datatype_map'][$type])) { |
| | | $type = $db->options['datatype_map'][$type]; |
| | | if (!empty($db->options['datatype_map_callback'][$type])) { |
| | | $parameter = array('type' => $type, 'value' => $value, 'quote' => $quote, 'escape_wildcards' => $escape_wildcards); |
| | | return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); |
| | | } |
| | | } |
| | | |
| | | if (!method_exists($this, "_quote{$type}")) { |
| | | return $db->raiseError('type not defined: '.$type); |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'type not defined: '.$type, __FUNCTION__); |
| | | } |
| | | $value = $this->{"_quote{$type}"}($value); |
| | | |
| | | // ugly hack to remove single quotes |
| | | if (!$quote && isset($value[0]) && $value[0] === "'") { |
| | | $value = substr($value, 1, -1); |
| | | $value = $this->{"_quote{$type}"}($value, $quote, $escape_wildcards); |
| | | if ($quote && $escape_wildcards && $db->string_quoting['escape_pattern'] |
| | | && $db->string_quoting['escape'] !== $db->string_quoting['escape_pattern'] |
| | | ) { |
| | | $value.= $this->patternEscapeString(); |
| | | } |
| | | |
| | | return $value; |
| | | } |
| | | |
| | |
| | | * compose query statements. |
| | | * |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteInteger($value) |
| | | function _quoteInteger($value, $quote, $escape_wildcards) |
| | | { |
| | | return (int)$value; |
| | | } |
| | |
| | | * compose query statements. |
| | | * |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that already contains any DBMS specific |
| | | * escaped character sequences. |
| | | * @access protected |
| | | */ |
| | | function _quoteText($value) |
| | | function _quoteText($value, $quote, $escape_wildcards) |
| | | { |
| | | if (!$quote) { |
| | | return $value; |
| | | } |
| | | |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | return "'".$db->escape($value)."'"; |
| | | $value = $db->escape($value, $escape_wildcards); |
| | | if (PEAR::isError($value)) { |
| | | return $value; |
| | | } |
| | | return "'".$value."'"; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * Convert a text value into a DBMS specific format that is suitable to |
| | | * compose query statements. |
| | | * |
| | | * @param $value |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | |
| | | * Convert a text value into a DBMS specific format that is suitable to |
| | | * compose query statements. |
| | | * |
| | | * @param $value |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteLOB($value) |
| | | function _quoteLOB($value, $quote, $escape_wildcards) |
| | | { |
| | | $value = $this->_readFile($value); |
| | | return $this->_quoteText($value); |
| | | if (PEAR::isError($value)) { |
| | | return $value; |
| | | } |
| | | return $this->_quoteText($value, $quote, $escape_wildcards); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * Convert a text value into a DBMS specific format that is suitable to |
| | | * compose query statements. |
| | | * |
| | | * @param $value |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteCLOB($value) |
| | | function _quoteCLOB($value, $quote, $escape_wildcards) |
| | | { |
| | | return $this->_quoteLOB($value); |
| | | return $this->_quoteLOB($value, $quote, $escape_wildcards); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * Convert a text value into a DBMS specific format that is suitable to |
| | | * compose query statements. |
| | | * |
| | | * @param $value |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteBLOB($value) |
| | | function _quoteBLOB($value, $quote, $escape_wildcards) |
| | | { |
| | | return $this->_quoteLOB($value); |
| | | return $this->_quoteLOB($value, $quote, $escape_wildcards); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * compose query statements. |
| | | * |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteBoolean($value) |
| | | function _quoteBoolean($value, $quote, $escape_wildcards) |
| | | { |
| | | return ($value ? "'Y'" : "'N'"); |
| | | return ($value ? 1 : 0); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * compose query statements. |
| | | * |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteDate($value) |
| | | function _quoteDate($value, $quote, $escape_wildcards) |
| | | { |
| | | return $this->_quoteText($value); |
| | | if ($value === 'CURRENT_DATE') { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) { |
| | | return $db->function->now('date'); |
| | | } |
| | | return 'CURRENT_DATE'; |
| | | } |
| | | return $this->_quoteText($value, $quote, $escape_wildcards); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * compose query statements. |
| | | * |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteTimestamp($value) |
| | | function _quoteTimestamp($value, $quote, $escape_wildcards) |
| | | { |
| | | return $this->_quoteText($value); |
| | | if ($value === 'CURRENT_TIMESTAMP') { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) { |
| | | return $db->function->now('timestamp'); |
| | | } |
| | | return 'CURRENT_TIMESTAMP'; |
| | | } |
| | | return $this->_quoteText($value, $quote, $escape_wildcards); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * compose query statements. |
| | | * |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteTime($value) |
| | | function _quoteTime($value, $quote, $escape_wildcards) |
| | | { |
| | | return $this->_quoteText($value); |
| | | if ($value === 'CURRENT_TIME') { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) { |
| | | return $db->function->now('time'); |
| | | } |
| | | return 'CURRENT_TIME'; |
| | | } |
| | | return $this->_quoteText($value, $quote, $escape_wildcards); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * compose query statements. |
| | | * |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteFloat($value) |
| | | function _quoteFloat($value, $quote, $escape_wildcards) |
| | | { |
| | | return $this->_quoteText($value); |
| | | if (preg_match('/^(.*)e([-+])(\d+)$/i', $value, $matches)) { |
| | | $decimal = $this->_quoteDecimal($matches[1], $quote, $escape_wildcards); |
| | | $sign = $matches[2]; |
| | | $exponent = str_pad($matches[3], 2, '0', STR_PAD_LEFT); |
| | | $value = $decimal.'E'.$sign.$exponent; |
| | | } else { |
| | | $value = $this->_quoteDecimal($value, $quote, $escape_wildcards); |
| | | } |
| | | return $value; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * compose query statements. |
| | | * |
| | | * @param string $value text string value that is intended to be converted. |
| | | * @param bool $quote determines if the value should be quoted and escaped |
| | | * @param bool $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteDecimal($value) |
| | | function _quoteDecimal($value, $quote, $escape_wildcards) |
| | | { |
| | | return $this->_quoteText($value); |
| | | $value = (string)$value; |
| | | $value = preg_replace('/[^\d\.,\-+eE]/', '', $value); |
| | | if (preg_match('/[^\.\d]/', $value)) { |
| | | if (strpos($value, ',')) { |
| | | // 1000,00 |
| | | if (!strpos($value, '.')) { |
| | | // convert the last "," to a "." |
| | | $value = strrev(str_replace(',', '.', strrev($value))); |
| | | // 1.000,00 |
| | | } elseif (strpos($value, '.') && strpos($value, '.') < strpos($value, ',')) { |
| | | $value = str_replace('.', '', $value); |
| | | // convert the last "," to a "." |
| | | $value = strrev(str_replace(',', '.', strrev($value))); |
| | | // 1,000.00 |
| | | } else { |
| | | $value = str_replace(',', '', $value); |
| | | } |
| | | } |
| | | } |
| | | return $value; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | return $db; |
| | | } |
| | | |
| | | $fp = fopen($file, 'wb'); |
| | | while (!feof($lob)) { |
| | | $result = fread($lob, $db->options['lob_buffer_length']); |
| | | $read = strlen($result); |
| | | if (fwrite($fp, $result, $read) != $read) { |
| | | fclose($fp); |
| | | return $db->raiseError(MDB2_ERROR, null, null, |
| | | 'writeLOBToFile: could not write to the output file'); |
| | | if (preg_match('/^(\w+:\/\/)(.*)$/', $file, $match)) { |
| | | if ($match[1] == 'file://') { |
| | | $file = $match[2]; |
| | | } |
| | | } |
| | | fclose($fp); |
| | | |
| | | $fp = @fopen($file, 'wb'); |
| | | while (!@feof($lob)) { |
| | | $result = @fread($lob, $db->options['lob_buffer_length']); |
| | | $read = strlen($result); |
| | | if (@fwrite($fp, $result, $read) != $read) { |
| | | @fclose($fp); |
| | | return $db->raiseError(MDB2_ERROR, null, null, |
| | | 'could not write to the output file', __FUNCTION__); |
| | | } |
| | | } |
| | | @fclose($fp); |
| | | return MDB2_OK; |
| | | } |
| | | |
| | |
| | | /** |
| | | * retrieve LOB from the database |
| | | * |
| | | * @param resource $lob stream handle |
| | | * @param array $lob array |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access protected |
| | | */ |
| | | function _retrieveLOB(&$lob) |
| | | { |
| | | if (is_null($lob['value'])) { |
| | | $lob['value'] = $lob['ressource']; |
| | | $lob['value'] = $lob['resource']; |
| | | } |
| | | $lob['loaded'] = true; |
| | | return MDB2_OK; |
| | | } |
| | | |
| | |
| | | * Determine whether it was reached the end of the large object and |
| | | * therefore there is no more data to be read for the its input stream. |
| | | * |
| | | * @param resource $lob stream handle |
| | | * @param array $lob array |
| | | * @return mixed true or false on success, a MDB2 error on failure |
| | | * @access protected |
| | | */ |
| | |
| | | $lob_index = $lob_data['wrapper_data']->lob_index; |
| | | fclose($lob); |
| | | if (isset($this->lobs[$lob_index])) { |
| | | $this->_destroyLOB($lob_index); |
| | | $this->_destroyLOB($this->lobs[$lob_index]); |
| | | unset($this->lobs[$lob_index]); |
| | | } |
| | | return MDB2_OK; |
| | |
| | | * Free any resources allocated during the lifetime of the large object |
| | | * handler object. |
| | | * |
| | | * @param int $lob_index from the lob array |
| | | * @param array $lob array |
| | | * @access private |
| | | */ |
| | | function _destroyLOB($lob_index) |
| | | function _destroyLOB(&$lob) |
| | | { |
| | | return MDB2_OK; |
| | | } |
| | |
| | | } |
| | | return implode(', ', $return); |
| | | } |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ matchPattern() |
| | | |
| | | /** |
| | | * build a pattern matching string |
| | | * |
| | | * @access public |
| | | * |
| | | * @param array $pattern even keys are strings, odd are patterns (% and _) |
| | | * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future) |
| | | * @param string $field optional field name that is being matched against |
| | | * (might be required when emulating ILIKE) |
| | | * |
| | | * @return string SQL pattern |
| | | */ |
| | | function matchPattern($pattern, $operator = null, $field = null) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $match = ''; |
| | | if (!is_null($operator)) { |
| | | $operator = strtoupper($operator); |
| | | switch ($operator) { |
| | | // case insensitive |
| | | case 'ILIKE': |
| | | if (is_null($field)) { |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'case insensitive LIKE matching requires passing the field name', __FUNCTION__); |
| | | } |
| | | $db->loadModule('Function', null, true); |
| | | $match = $db->function->lower($field).' LIKE '; |
| | | break; |
| | | // case sensitive |
| | | case 'LIKE': |
| | | $match = is_null($field) ? 'LIKE ' : $field.' LIKE '; |
| | | break; |
| | | default: |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'not a supported operator type:'. $operator, __FUNCTION__); |
| | | } |
| | | } |
| | | $match.= "'"; |
| | | foreach ($pattern as $key => $value) { |
| | | if ($key % 2) { |
| | | $match.= $value; |
| | | } else { |
| | | if ($operator === 'ILIKE') { |
| | | $value = strtolower($value); |
| | | } |
| | | $escaped = $db->escape($value); |
| | | if (PEAR::isError($escaped)) { |
| | | return $escaped; |
| | | } |
| | | $match.= $db->escapePattern($escaped); |
| | | } |
| | | } |
| | | $match.= "'"; |
| | | $match.= $this->patternEscapeString(); |
| | | return $match; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ patternEscapeString() |
| | | |
| | | /** |
| | | * build string to define pattern escape character |
| | | * |
| | | * @access public |
| | | * |
| | | * @return string define pattern escape character |
| | | */ |
| | | function patternEscapeString() |
| | | { |
| | | return ''; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ mapNativeDatatype() |
| | | |
| | | /** |
| | | * Maps a native array description of a field to a MDB2 datatype and length |
| | | * |
| | | * @param array $field native field description |
| | | * @return array containing the various possible types, length, sign, fixed |
| | | * @access public |
| | | */ |
| | | function mapNativeDatatype($field) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | // If the user has specified an option to map the native field |
| | | // type to a custom MDB2 datatype... |
| | | $db_type = strtok($field['type'], '(), '); |
| | | if (!empty($db->options['nativetype_map_callback'][$db_type])) { |
| | | return call_user_func_array($db->options['nativetype_map_callback'][$db_type], array($db, $field)); |
| | | } |
| | | |
| | | // Otherwise perform the built-in (i.e. normal) MDB2 native type to |
| | | // MDB2 datatype conversion |
| | | return $this->_mapNativeDatatype($field); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _mapNativeDatatype() |
| | | |
| | | /** |
| | | * Maps a native array description of a field to a MDB2 datatype and length |
| | | * |
| | | * @param array $field native field description |
| | | * @return array containing the various possible types, length, sign, fixed |
| | | * @access public |
| | | */ |
| | | function _mapNativeDatatype($field) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'method not implemented', __FUNCTION__); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ mapPrepareDatatype() |
| | | |
| | | /** |
| | | * Maps an mdb2 datatype to mysqli prepare type |
| | | * |
| | | * @param string $type |
| | | * @return string |
| | | * @access public |
| | | */ |
| | | function mapPrepareDatatype($type) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | if (!empty($db->options['datatype_map'][$type])) { |
| | | $type = $db->options['datatype_map'][$type]; |
| | | if (!empty($db->options['datatype_map_callback'][$type])) { |
| | | $parameter = array('type' => $type); |
| | | return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); |
| | | } |
| | | } |
| | | |
| | | return $type; |
| | | } |
| | | } |
| | | ?> |