Source for file mssql.php
Documentation is available at mssql.php
// vim: set et ts=4 sw=4 fdm=marker:
// +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1998-2004 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 |
// | 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@backendmedia.com> |
// | Daniel Convissor <danielc@php.net> |
// +----------------------------------------------------------------------+
// $Id: mssql.php,v 1.17 2005/04/19 12:53:41 lsmith Exp $
require_once 'MDB2/Driver/Datatype/Common.php';
* @author Lukas Smith <smith@backendmedia.com>
* convert a value to a RDBMS indepdenant MDB2 type
* @param mixed $value value to be converted
* @param int $type constant that specifies which type to convert to
* @return mixed converted value
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
// {{{ _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 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:
* Boolean flag that indicates whether the field should be
* declared as unsigned integer if possible.
* Integer value to be used as default for this field.
* Boolean flag that indicates whether this field is constrained
* @return string DBMS specific SQL code portion that should be used to
* declare the specified field.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
if (isset ($field['unsigned'])) {
$db->warnings [] = " unsigned integer field \"$name\" is being declared as signed integer";
$default = isset ($field['default']) ? ' DEFAULT '.
$this->quote($field['default'], 'integer') : '';
$notnull = empty ($field['notnull']) ? ' NULL' : ' NOT NULL';
return $name. ' INT'. $default. $notnull;
// {{{ _getTextDeclaration()
* Obtain DBMS specific SQL code portion needed to declare an text 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:
* 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.
* Text value to be used as default for this field.
* Boolean flag that indicates whether this field is constrained
* @return string DBMS specific SQL code portion that should be used to
* declare the specified field.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$type = isset ($field['length']) ? 'VARCHAR ('. $field['length']. ')' : 'TEXT';
$default = isset ($field['default']) ? ' DEFAULT '.
$this->quote($field['default'], 'text') : '';
$notnull = empty ($field['notnull']) ? ' NULL' : ' NOT NULL';
return $name. ' '. $type. $default. $notnull;
// {{{ _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 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:
* 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.
* 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.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
if (isset ($field['length'])) {
$length = $field['length'];
$type = " VARCHAR($length)";
$notnull = empty ($field['notnull']) ? ' NULL' : ' NOT NULL';
return $name. ' '. $type. $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 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:
* 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.
* 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.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
if (isset ($field['length'])) {
$length = $field['length'];
$type = " VARBINARY($length)";
$notnull = empty ($field['notnull']) ? ' NULL' : ' NOT NULL';
return $name. ' '. $type. $notnull;
// {{{ _getBooleanDeclaration()
* Obtain DBMS specific SQL code portion needed to declare a boolean 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:
* Boolean value to be used as default for this field.
* Boolean flag that indicates whether this field is constrained
* @return string DBMS specific SQL code portion that should be used to
* declare the specified field.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$default = isset ($field['default']) ? ' DEFAULT '.
$this->quote($field['default'], 'boolean') : '';
$notnull = empty ($field['notnull']) ? ' NULL' : ' NOT NULL';
return $name. ' BIT'. $default. $notnull;
// {{{ _getDateDeclaration()
* Obtain DBMS specific SQL code portion needed to declare a date 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:
* Date value to be used as default for this field.
* Boolean flag that indicates whether this field is constrained
* @return string DBMS specific SQL code portion that should be used to
* declare the specified field.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$default = isset ($field['default']) ? ' DEFAULT '.
$this->quote($field['default'], 'date') : '';
$notnull = empty ($field['notnull']) ? ' NULL' : ' NOT NULL';
return $name. ' CHAR ('. strlen('YYYY-MM-DD'). ')'. $default. $notnull;
// {{{ _getTimestampDeclaration()
* Obtain DBMS specific SQL code portion needed to declare a timestamp
* 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:
* Timestamp value to be used as default for this field.
* Boolean flag that indicates whether this field is constrained
* @return string DBMS specific SQL code portion that should be used to
* declare the specified field.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$default = isset ($field['default']) ? ' DEFAULT '.
$this->quote($field['default'], 'timestamp') : '';
$notnull = empty ($field['notnull']) ? ' NULL' : ' NOT NULL';
return $name. ' CHAR ('. strlen('YYYY-MM-DD HH:MM:SS'). ')'. $default. $notnull;
// {{{ _getTimeDeclaration()
* Obtain DBMS specific SQL code portion needed to declare a time
* 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:
* Time value to be used as default for this field.
* Boolean flag that indicates whether this field is constrained
* @return string DBMS specific SQL code portion that should be used to
* declare the specified field.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$default = isset ($field['default']) ? ' DEFAULT '.
$this->quote($field['default'], 'time') : '';
$notnull = empty ($field['notnull']) ? ' NULL' : ' NOT NULL';
return $name. ' CHAR ('. strlen('HH:MM:SS'). ')'. $default. $notnull;
// {{{ _getFloatDeclaration()
* Obtain DBMS specific SQL code portion needed to declare an float 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:
* Integer value to be used as default for this
* 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.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$default = isset ($field['default']) ? ' DEFAULT '.
$this->quote($field['default'], 'float') : '';
$notnull = empty ($field['notnull']) ? ' NULL' : ' NOT NULL';
return $name. ' FLOAT'. $default. $notnull;
// {{{ _getDecimalDeclaration()
* Obtain DBMS specific SQL code portion needed to declare an decimal 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:
* Integer value to be used as default for this
* 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.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$type = 'DECIMAL(18,'. $db->options ['decimal_places']. ')';
$default = isset ($field['default']) ? ' DEFAULT '.
$this->quote($field['default'], 'decimal') : '';
$notnull = empty ($field['notnull']) ? ' NULL' : ' NOT NULL';
return $name. ' '. $type. $default. $notnull;
* Convert a text value into a DBMS specific format that is suitable to
* compose query statements.
* @return string text string that represents the given argument value in
* a DBMS specific format.
* 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.
* @return string text string that represents the given argument value in
* a DBMS specific format.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
* 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.
* @return string text string that represents the given argument value in
* a DBMS specific format.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
* 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.
* @return string text string that represents the given argument value in
* a DBMS specific format.
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
Documentation generated on Mon, 11 Mar 2019 14:20:19 -0400 by phpDocumentor 1.4.4. PEAR Logo Copyright © PHP Group 2004.
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