| | |
| | | <?php
|
| | | // vim: set et ts=4 sw=4 fdm=marker:
|
| | | // +----------------------------------------------------------------------+
|
| | | // | PHP versions 4 and 5 |
|
| | | // +----------------------------------------------------------------------+
|
| | | // | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
|
| | | // | Stig. S. Bakken, Lukas Smith |
|
| | | // | All rights reserved. |
|
| | | // +----------------------------------------------------------------------+
|
| | | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
|
| | | // | API as well as database abstraction for PHP applications. |
|
| | | // | This LICENSE is in the BSD license style. |
|
| | | // | |
|
| | | // | Redistribution and use in source and binary forms, with or without |
|
| | | // | modification, are permitted provided that the following conditions |
|
| | | // | are met: |
|
| | | // | |
|
| | | // | Redistributions of source code must retain the above copyright |
|
| | | // | notice, this list of conditions and the following disclaimer. |
|
| | | // | |
|
| | | // | Redistributions in binary form must reproduce the above copyright |
|
| | | // | notice, this list of conditions and the following disclaimer in the |
|
| | | // | documentation and/or other materials provided with the distribution. |
|
| | | // | |
|
| | | // | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
|
| | | // | Lukas Smith nor the names of his contributors may be used to endorse |
|
| | | // | or promote products derived from this software without specific prior|
|
| | | // | written permission. |
|
| | | // | |
|
| | | // | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
| | | // | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
| | | // | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
|
| | | // | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
|
| | | // | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
|
| | | // | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
|
| | | // | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
|
| | | // | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
|
| | | // | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
|
| | | // | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
|
| | | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
|
| | | // | POSSIBILITY OF SUCH DAMAGE. |
|
| | | // +----------------------------------------------------------------------+
|
| | | // | Authors: Lukas Smith <smith@pooteeweet.org> |
|
| | | // | Daniel Convissor <danielc@php.net> |
|
| | | // +----------------------------------------------------------------------+
|
| | | //
|
| | | // $Id: mssql.php,v 1.59 2007/12/03 20:59:50 quipo Exp $
|
| | | //
|
| | |
|
| | | require_once 'MDB2/Driver/Datatype/Common.php';
|
| | |
|
| | | /**
|
| | | * MDB2 MS SQL driver
|
| | | *
|
| | | * @package MDB2
|
| | | * @category Database
|
| | | * @author Lukas Smith <smith@pooteeweet.org>
|
| | | */
|
| | | class MDB2_Driver_Datatype_mssql extends MDB2_Driver_Datatype_Common
|
| | | {
|
| | | // {{{ _baseConvertResult()
|
| | |
|
| | | /**
|
| | | * general type conversion method
|
| | | *
|
| | | * @param mixed $value refernce to a value to be converted
|
| | | * @param string $type specifies which type to convert to
|
| | | * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text
|
| | | * @return object a MDB2 error on failure
|
| | | * @access protected
|
| | | */
|
| | | function _baseConvertResult($value, $type, $rtrim = true)
|
| | | {
|
| | | if (is_null($value)) {
|
| | | return null;
|
| | | }
|
| | | switch ($type) {
|
| | | case 'boolean':
|
| | | return $value == '1';
|
| | | case 'date':
|
| | | if (strlen($value) > 10) {
|
| | | $value = substr($value,0,10);
|
| | | }
|
| | | return $value;
|
| | | case 'time':
|
| | | if (strlen($value) > 8) {
|
| | | $value = substr($value,11,8);
|
| | | }
|
| | | return $value;
|
| | | }
|
| | | return parent::_baseConvertResult($value, $type, $rtrim);
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ _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 $collation name of the collation
|
| | | *
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| | | * @return string DBMS specific SQL code portion needed to set the COLLATION
|
| | | * of a field declaration.
|
| | | */
|
| | | function _getCollationFieldDeclaration($collation)
|
| | | {
|
| | | return 'COLLATE '.$collation;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ 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'] : false;
|
| | | $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
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| | | return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
|
| | | : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
|
| | | case 'clob':
|
| | | if (!empty($field['length'])) {
|
| | | $length = $field['length'];
|
| | | if ($length <= 8000) {
|
| | | return 'VARCHAR('.$length.')';
|
| | | }
|
| | | }
|
| | | return 'TEXT';
|
| | | case 'blob':
|
| | | if (!empty($field['length'])) {
|
| | | $length = $field['length'];
|
| | | if ($length <= 8000) {
|
| | | return "VARBINARY($length)";
|
| | | }
|
| | | }
|
| | | return 'IMAGE';
|
| | | case 'integer':
|
| | | return 'INT';
|
| | | case 'boolean':
|
| | | return 'BIT';
|
| | | 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 'FLOAT';
|
| | | case 'decimal':
|
| | | $length = !empty($field['length']) ? $field['length'] : 18;
|
| | | $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
|
| | | return 'DECIMAL('.$length.','.$scale.')';
|
| | | }
|
| | | 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 $field associative array with the name of the properties
|
| | | * of the field being declared as array indexes. Currently, the types
|
| | | * of supported field properties are as follows:
|
| | | *
|
| | | * length
|
| | | * Integer value that determines the maximum length of the text
|
| | | * field. If this argument is missing the field should be
|
| | | * declared to have the longest length allowed by the DBMS.
|
| | | *
|
| | | * default
|
| | | * Text value to be used as default for this field.
|
| | | *
|
| | | * notnull
|
| | | * Boolean flag that indicates whether this field is constrained
|
| | | * to not be set to null.
|
| | | * @return string DBMS specific SQL code portion that should be used to
|
| | | * declare the specified field.
|
| | | * @access protected
|
| | | */
|
| | | function _getDeclarationOptions($field)
|
| | | {
|
| | | $charset = empty($field['charset']) ? '' :
|
| | | ' '.$this->_getCharsetFieldDeclaration($field['charset']);
|
| | |
|
| | | $default = '';
|
| | | if (array_key_exists('default', $field)) {
|
| | | if ($field['default'] === '') {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | | $field['default'] = empty($field['notnull'])
|
| | | ? null : $this->valid_default_values[$field['type']];
|
| | | if ($field['default'] === ''
|
| | | && ($db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)
|
| | | ) {
|
| | | $field['default'] = ' ';
|
| | | }
|
| | | }
|
| | | $default = ' DEFAULT '.$this->quote($field['default'], $field['type']);
|
| | | } elseif (empty($field['notnull'])) {
|
| | | $default = ' DEFAULT NULL';
|
| | | }
|
| | |
|
| | | $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
|
| | | if ($default == ' DEFAULT NULL' && $notnull == ' NULL') {
|
| | | $notnull = '';
|
| | | }
|
| | |
|
| | | $collation = empty($field['collation']) ? '' :
|
| | | ' '.$this->_getCollationFieldDeclaration($field['collation']);
|
| | | return $charset.$default.$notnull.$collation;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ _getIntegerDeclaration()
|
| | |
|
| | | /**
|
| | | * Obtain DBMS specific SQL code portion needed to declare an integer type
|
| | | * field to be used in statements like CREATE TABLE.
|
| | | *
|
| | | * @param string $name name the field to be declared.
|
| | | * @param string $field associative array with the name of the properties
|
| | | * of the field being declared as array indexes.
|
| | | * Currently, the types of supported field
|
| | | * properties are as follows:
|
| | | *
|
| | | * unsigned
|
| | | * Boolean flag that indicates whether the field
|
| | | * should be declared as unsigned integer if
|
| | | * possible.
|
| | | *
|
| | | * default
|
| | | * Integer value to be used as default for this
|
| | | * field.
|
| | | *
|
| | | * notnull
|
| | | * Boolean flag that indicates whether this field is
|
| | | * constrained to not be set to null.
|
| | | * @return string DBMS specific SQL code portion that should be used to
|
| | | * declare the specified field.
|
| | | * @access protected
|
| | | */
|
| | | function _getIntegerDeclaration($name, $field)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | $default = $autoinc = '';;
|
| | | if (!empty($field['autoincrement'])) {
|
| | | $autoinc = ' IDENTITY PRIMARY KEY';
|
| | | } elseif (array_key_exists('default', $field)) {
|
| | | if ($field['default'] === '') {
|
| | | $field['default'] = empty($field['notnull']) ? null : 0;
|
| | | }
|
| | | $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
|
| | | } elseif (empty($field['notnull'])) {
|
| | | $default = ' DEFAULT NULL';
|
| | | }
|
| | |
|
| | | $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
|
| | | if ($default == ' DEFAULT NULL' && $notnull == ' NULL') {
|
| | | $notnull = '';
|
| | | }
|
| | | if (!empty($field['unsigned'])) {
|
| | | $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
|
| | | }
|
| | | $name = $db->quoteIdentifier($name, true);
|
| | | return $name.' '.$this->getTypeDeclaration($field).$default.$notnull.$autoinc;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ _getCLOBDeclaration()
|
| | |
|
| | | /**
|
| | | * Obtain DBMS specific SQL code portion needed to declare an character
|
| | | * large object type field to be used in statements like CREATE TABLE.
|
| | | *
|
| | | * @param string $name name the field to be declared.
|
| | | * @param array $field associative array with the name of the properties
|
| | | * of the field being declared as array indexes. Currently, the types
|
| | | * of supported field properties are as follows:
|
| | | *
|
| | | * length
|
| | | * Integer value that determines the maximum length of the large
|
| | | * object field. If this argument is missing the field should be
|
| | | * declared to have the longest length allowed by the DBMS.
|
| | | *
|
| | | * notnull
|
| | | * Boolean flag that indicates whether this field is constrained
|
| | | * to not be set to null.
|
| | | * @return string DBMS specific SQL code portion that should be used to
|
| | | * declare the specified field.
|
| | | * @access public
|
| | | */
|
| | | function _getCLOBDeclaration($name, $field)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
|
| | | $name = $db->quoteIdentifier($name, true);
|
| | | return $name.' '.$this->getTypeDeclaration($field).$notnull;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ _getBLOBDeclaration()
|
| | |
|
| | | /**
|
| | | * Obtain DBMS specific SQL code portion needed to declare an binary large
|
| | | * object type field to be used in statements like CREATE TABLE.
|
| | | *
|
| | | * @param string $name name the field to be declared.
|
| | | * @param array $field associative array with the name of the properties
|
| | | * of the field being declared as array indexes. Currently, the types
|
| | | * of supported field properties are as follows:
|
| | | *
|
| | | * length
|
| | | * Integer value that determines the maximum length of the large
|
| | | * object field. If this argument is missing the field should be
|
| | | * declared to have the longest length allowed by the DBMS.
|
| | | *
|
| | | * notnull
|
| | | * Boolean flag that indicates whether this field is constrained
|
| | | * to not be set to null.
|
| | | * @return string DBMS specific SQL code portion that should be used to
|
| | | * declare the specified field.
|
| | | * @access protected
|
| | | */
|
| | | function _getBLOBDeclaration($name, $field)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
|
| | | $name = $db->quoteIdentifier($name, true);
|
| | | return $name.' '.$this->getTypeDeclaration($field).$notnull;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ _quoteBLOB()
|
| | |
|
| | | /**
|
| | | * Convert a text value into a DBMS specific format that is suitable to
|
| | | * 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 $escape_wildcards if to escape escape wildcards
|
| | | * @return string text string that represents the given argument value in
|
| | | * a DBMS specific format.
|
| | | * @access protected
|
| | | */
|
| | | function _quoteBLOB($value, $quote, $escape_wildcards)
|
| | | {
|
| | | if (!$quote) {
|
| | | return $value;
|
| | | }
|
| | | $value = bin2hex("0x".$this->_readFile($value));
|
| | | return $value;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ _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)
|
| | | {
|
| | | // todo: handle length of various int variations
|
| | | $db_type = preg_replace('/\d/', '', strtolower($field['type']));
|
| | | $length = $field['length'];
|
| | | $type = array();
|
| | | // todo: unsigned handling seems to be missing
|
| | | $unsigned = $fixed = null;
|
| | | switch ($db_type) {
|
| | | case 'bit':
|
| | | $type[0] = 'boolean';
|
| | | break;
|
| | | case 'tinyint':
|
| | | $type[0] = 'integer';
|
| | | $length = 1;
|
| | | break;
|
| | | case 'smallint':
|
| | | $type[0] = 'integer';
|
| | | $length = 2;
|
| | | break;
|
| | | case 'int':
|
| | | $type[0] = 'integer';
|
| | | $length = 4;
|
| | | break;
|
| | | case 'bigint':
|
| | | $type[0] = 'integer';
|
| | | $length = 8;
|
| | | break;
|
| | | case 'datetime':
|
| | | $type[0] = 'timestamp';
|
| | | break;
|
| | | case 'float':
|
| | | case 'real':
|
| | | case 'numeric':
|
| | | $type[0] = 'float';
|
| | | break;
|
| | | case 'decimal':
|
| | | case 'money':
|
| | | $type[0] = 'decimal';
|
| | | $length = $field['numeric_precision'].','.$field['numeric_scale'];
|
| | | break;
|
| | | case 'text':
|
| | | case 'ntext':
|
| | | case 'varchar':
|
| | | case 'nvarchar':
|
| | | $fixed = false;
|
| | | case 'char':
|
| | | case 'nchar':
|
| | | $type[0] = 'text';
|
| | | if ($length == '1') {
|
| | | $type[] = 'boolean';
|
| | | if (preg_match('/^(is|has)/', $field['name'])) {
|
| | | $type = array_reverse($type);
|
| | | }
|
| | | } elseif (strstr($db_type, 'text')) {
|
| | | $type[] = 'clob';
|
| | | $type = array_reverse($type);
|
| | | }
|
| | | if ($fixed !== false) {
|
| | | $fixed = true;
|
| | | }
|
| | | break;
|
| | | case 'image':
|
| | | case 'varbinary':
|
| | | $type[] = 'blob';
|
| | | $length = null;
|
| | | break;
|
| | | default:
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
| | | 'unknown database attribute type: '.$db_type, __FUNCTION__);
|
| | | }
|
| | |
|
| | | if ((int)$length <= 0) {
|
| | | $length = null;
|
| | | }
|
| | |
|
| | | return array($type, $length, $unsigned, $fixed);
|
| | | }
|
| | | // }}}
|
| | | }
|
| | |
|
| | | <?php |
| | | // vim: set et ts=4 sw=4 fdm=marker: |
| | | // +----------------------------------------------------------------------+ |
| | | // | PHP versions 4 and 5 | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Stig. S. Bakken, Lukas Smith | |
| | | // | All rights reserved. | |
| | | // +----------------------------------------------------------------------+ |
| | | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | |
| | | // | API as well as database abstraction for PHP applications. | |
| | | // | This LICENSE is in the BSD license style. | |
| | | // | | |
| | | // | Redistribution and use in source and binary forms, with or without | |
| | | // | modification, are permitted provided that the following conditions | |
| | | // | are met: | |
| | | // | | |
| | | // | Redistributions of source code must retain the above copyright | |
| | | // | notice, this list of conditions and the following disclaimer. | |
| | | // | | |
| | | // | Redistributions in binary form must reproduce the above copyright | |
| | | // | notice, this list of conditions and the following disclaimer in the | |
| | | // | documentation and/or other materials provided with the distribution. | |
| | | // | | |
| | | // | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | |
| | | // | Lukas Smith nor the names of his contributors may be used to endorse | |
| | | // | or promote products derived from this software without specific prior| |
| | | // | written permission. | |
| | | // | | |
| | | // | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| | | // | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| | | // | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| | | // | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| | | // | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| | | // | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| | | // | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| |
| | | // | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |
| | | // | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| | | // | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| |
| | | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| | | // | POSSIBILITY OF SUCH DAMAGE. | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Authors: Lukas Smith <smith@pooteeweet.org> | |
| | | // | Daniel Convissor <danielc@php.net> | |
| | | // +----------------------------------------------------------------------+ |
| | | // |
| | | // $Id: mssql.php,v 1.65 2008/02/19 14:54:17 afz Exp $ |
| | | // |
| | | |
| | | require_once 'MDB2/Driver/Datatype/Common.php'; |
| | | |
| | | /** |
| | | * MDB2 MS SQL driver |
| | | * |
| | | * @package MDB2 |
| | | * @category Database |
| | | * @author Lukas Smith <smith@pooteeweet.org> |
| | | */ |
| | | class MDB2_Driver_Datatype_mssql extends MDB2_Driver_Datatype_Common |
| | | { |
| | | // {{{ _baseConvertResult() |
| | | |
| | | /** |
| | | * general type conversion method |
| | | * |
| | | * @param mixed $value refernce to a value to be converted |
| | | * @param string $type specifies which type to convert to |
| | | * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text |
| | | * @return object a MDB2 error on failure |
| | | * @access protected |
| | | */ |
| | | function _baseConvertResult($value, $type, $rtrim = true) |
| | | { |
| | | if (is_null($value)) { |
| | | return null; |
| | | } |
| | | switch ($type) { |
| | | case 'boolean': |
| | | return $value == '1'; |
| | | case 'date': |
| | | if (strlen($value) > 10) { |
| | | $value = substr($value,0,10); |
| | | } |
| | | return $value; |
| | | case 'time': |
| | | if (strlen($value) > 8) { |
| | | $value = substr($value,11,8); |
| | | } |
| | | return $value; |
| | | } |
| | | return parent::_baseConvertResult($value, $type, $rtrim); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _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 'COLLATE '.$collation; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ 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'] : false; |
| | | $fixed = !empty($field['fixed']) ? $field['fixed'] : false; |
| | | return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')') |
| | | : ($length ? 'VARCHAR('.$length.')' : 'TEXT'); |
| | | case 'clob': |
| | | if (!empty($field['length'])) { |
| | | $length = $field['length']; |
| | | if ($length <= 8000) { |
| | | return 'VARCHAR('.$length.')'; |
| | | } |
| | | } |
| | | return 'TEXT'; |
| | | case 'blob': |
| | | if (!empty($field['length'])) { |
| | | $length = $field['length']; |
| | | if ($length <= 8000) { |
| | | return "VARBINARY($length)"; |
| | | } |
| | | } |
| | | return 'IMAGE'; |
| | | case 'integer': |
| | | return 'INT'; |
| | | case 'boolean': |
| | | return 'BIT'; |
| | | 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 'FLOAT'; |
| | | case 'decimal': |
| | | $length = !empty($field['length']) ? $field['length'] : 18; |
| | | $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places']; |
| | | return 'DECIMAL('.$length.','.$scale.')'; |
| | | } |
| | | return ''; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getIntegerDeclaration() |
| | | |
| | | /** |
| | | * Obtain DBMS specific SQL code portion needed to declare an integer type |
| | | * field to be used in statements like CREATE TABLE. |
| | | * |
| | | * @param string $name name the field to be declared. |
| | | * @param string $field associative array with the name of the properties |
| | | * of the field being declared as array indexes. |
| | | * Currently, the types of supported field |
| | | * properties are as follows: |
| | | * |
| | | * unsigned |
| | | * Boolean flag that indicates whether the field |
| | | * should be declared as unsigned integer if |
| | | * possible. |
| | | * |
| | | * default |
| | | * Integer value to be used as default for this |
| | | * field. |
| | | * |
| | | * notnull |
| | | * Boolean flag that indicates whether this field is |
| | | * constrained to not be set to null. |
| | | * @return string DBMS specific SQL code portion that should be used to |
| | | * declare the specified field. |
| | | * @access protected |
| | | */ |
| | | function _getIntegerDeclaration($name, $field) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; |
| | | $default = $autoinc = ''; |
| | | if (!empty($field['autoincrement'])) { |
| | | $autoinc = ' IDENTITY PRIMARY KEY'; |
| | | } elseif (array_key_exists('default', $field)) { |
| | | if ($field['default'] === '') { |
| | | $field['default'] = 0; |
| | | } |
| | | if (is_null($field['default'])) { |
| | | $default = ' DEFAULT (null)'; |
| | | } else { |
| | | $default = ' DEFAULT (' . $this->quote($field['default'], 'integer') . ')'; |
| | | } |
| | | } |
| | | |
| | | if (!empty($field['unsigned'])) { |
| | | $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer"; |
| | | } |
| | | |
| | | $name = $db->quoteIdentifier($name, true); |
| | | return $name.' '.$this->getTypeDeclaration($field).$notnull.$default.$autoinc; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getCLOBDeclaration() |
| | | |
| | | /** |
| | | * Obtain DBMS specific SQL code portion needed to declare an character |
| | | * large object type field to be used in statements like CREATE TABLE. |
| | | * |
| | | * @param string $name name the field to be declared. |
| | | * @param array $field associative array with the name of the properties |
| | | * of the field being declared as array indexes. Currently, the types |
| | | * of supported field properties are as follows: |
| | | * |
| | | * length |
| | | * Integer value that determines the maximum length of the large |
| | | * object field. If this argument is missing the field should be |
| | | * declared to have the longest length allowed by the DBMS. |
| | | * |
| | | * notnull |
| | | * Boolean flag that indicates whether this field is constrained |
| | | * to not be set to null. |
| | | * @return string DBMS specific SQL code portion that should be used to |
| | | * declare the specified field. |
| | | * @access public |
| | | */ |
| | | function _getCLOBDeclaration($name, $field) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; |
| | | $name = $db->quoteIdentifier($name, true); |
| | | return $name.' '.$this->getTypeDeclaration($field).$notnull; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getBLOBDeclaration() |
| | | |
| | | /** |
| | | * Obtain DBMS specific SQL code portion needed to declare an binary large |
| | | * object type field to be used in statements like CREATE TABLE. |
| | | * |
| | | * @param string $name name the field to be declared. |
| | | * @param array $field associative array with the name of the properties |
| | | * of the field being declared as array indexes. Currently, the types |
| | | * of supported field properties are as follows: |
| | | * |
| | | * length |
| | | * Integer value that determines the maximum length of the large |
| | | * object field. If this argument is missing the field should be |
| | | * declared to have the longest length allowed by the DBMS. |
| | | * |
| | | * notnull |
| | | * Boolean flag that indicates whether this field is constrained |
| | | * to not be set to null. |
| | | * @return string DBMS specific SQL code portion that should be used to |
| | | * declare the specified field. |
| | | * @access protected |
| | | */ |
| | | function _getBLOBDeclaration($name, $field) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; |
| | | $name = $db->quoteIdentifier($name, true); |
| | | return $name.' '.$this->getTypeDeclaration($field).$notnull; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _quoteBLOB() |
| | | |
| | | /** |
| | | * Convert a text value into a DBMS specific format that is suitable to |
| | | * 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 $escape_wildcards if to escape escape wildcards |
| | | * @return string text string that represents the given argument value in |
| | | * a DBMS specific format. |
| | | * @access protected |
| | | */ |
| | | function _quoteBLOB($value, $quote, $escape_wildcards) |
| | | { |
| | | if (!$quote) { |
| | | return $value; |
| | | } |
| | | $value = '0x'.bin2hex($this->_readFile($value)); |
| | | return $value; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _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) |
| | | { |
| | | // todo: handle length of various int variations |
| | | $db_type = preg_replace('/\d/', '', strtolower($field['type'])); |
| | | $length = $field['length']; |
| | | $type = array(); |
| | | // todo: unsigned handling seems to be missing |
| | | $unsigned = $fixed = null; |
| | | switch ($db_type) { |
| | | case 'bit': |
| | | $type[0] = 'boolean'; |
| | | break; |
| | | case 'tinyint': |
| | | $type[0] = 'integer'; |
| | | $length = 1; |
| | | break; |
| | | case 'smallint': |
| | | $type[0] = 'integer'; |
| | | $length = 2; |
| | | break; |
| | | case 'int': |
| | | $type[0] = 'integer'; |
| | | $length = 4; |
| | | break; |
| | | case 'bigint': |
| | | $type[0] = 'integer'; |
| | | $length = 8; |
| | | break; |
| | | case 'datetime': |
| | | $type[0] = 'timestamp'; |
| | | break; |
| | | case 'float': |
| | | case 'real': |
| | | case 'numeric': |
| | | $type[0] = 'float'; |
| | | break; |
| | | case 'decimal': |
| | | case 'money': |
| | | $type[0] = 'decimal'; |
| | | $length = $field['numeric_precision'].','.$field['numeric_scale']; |
| | | break; |
| | | case 'text': |
| | | case 'ntext': |
| | | case 'varchar': |
| | | case 'nvarchar': |
| | | $fixed = false; |
| | | case 'char': |
| | | case 'nchar': |
| | | $type[0] = 'text'; |
| | | if ($length == '1') { |
| | | $type[] = 'boolean'; |
| | | if (preg_match('/^(is|has)/', $field['name'])) { |
| | | $type = array_reverse($type); |
| | | } |
| | | } elseif (strstr($db_type, 'text')) { |
| | | $type[] = 'clob'; |
| | | $type = array_reverse($type); |
| | | } |
| | | if ($fixed !== false) { |
| | | $fixed = true; |
| | | } |
| | | break; |
| | | case 'image': |
| | | case 'varbinary': |
| | | $type[] = 'blob'; |
| | | $length = null; |
| | | break; |
| | | default: |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'unknown database attribute type: '.$db_type, __FUNCTION__); |
| | | } |
| | | |
| | | if ((int)$length <= 0) { |
| | | $length = null; |
| | | } |
| | | |
| | | return array($type, $length, $unsigned, $fixed); |
| | | } |
| | | // }}} |
| | | } |
| | | |
| | | ?> |