From 2273d4117fd50ee44dcdaa28fd6444383dc403a0 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Tue, 26 Jan 2010 08:45:16 -0500
Subject: [PATCH] - Add support for MDB2's 'sqlsrv' driver (#1486395)
---
program/lib/MDB2/Driver/Datatype/pgsql.php | 1129 ++++++++++++++++++++++++++++++-----------------------------
1 files changed, 575 insertions(+), 554 deletions(-)
diff --git a/program/lib/MDB2/Driver/Datatype/pgsql.php b/program/lib/MDB2/Driver/Datatype/pgsql.php
index c31c7d8..2a0bbb7 100644
--- a/program/lib/MDB2/Driver/Datatype/pgsql.php
+++ b/program/lib/MDB2/Driver/Datatype/pgsql.php
@@ -1,555 +1,576 @@
-<?php
-// +----------------------------------------------------------------------+
-// | 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. |
-// +----------------------------------------------------------------------+
-// | Author: Paul Cooper <pgc@ucecom.com> |
-// +----------------------------------------------------------------------+
-//
-// $Id: pgsql.php,v 1.91 2008/03/09 12:28:08 quipo Exp $
-
-require_once 'MDB2/Driver/Datatype/Common.php';
-
-/**
- * MDB2 PostGreSQL driver
- *
- * @package MDB2
- * @category Database
- * @author Paul Cooper <pgc@ucecom.com>
- */
-class MDB2_Driver_Datatype_pgsql 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 $value == 't';
- case 'float':
- return doubleval($value);
- case 'date':
- return $value;
- case 'time':
- return substr($value, 0, strlen('HH:MM:SS'));
- case 'timestamp':
- return substr($value, 0, strlen('YYYY-MM-DD HH:MM:SS'));
- case 'blob':
- $value = pg_unescape_bytea($value);
- return parent::_baseConvertResult($value, $type, $rtrim);
- }
- return parent::_baseConvertResult($value, $type, $rtrim);
- }
-
- // }}}
- // {{{ 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 'BYTEA';
- case 'integer':
- if (!empty($field['autoincrement'])) {
- if (!empty($field['length'])) {
- $length = $field['length'];
- if ($length > 4) {
- return 'BIGSERIAL PRIMARY KEY';
- }
- }
- return 'SERIAL PRIMARY KEY';
- }
- if (!empty($field['length'])) {
- $length = $field['length'];
- if ($length <= 2) {
- return 'SMALLINT';
- } elseif ($length == 3 || $length == 4) {
- return 'INT';
- } elseif ($length > 4) {
- return 'BIGINT';
- }
- }
- return 'INT';
- case 'boolean':
- return 'BOOLEAN';
- case 'date':
- return 'DATE';
- case 'time':
- return 'TIME without time zone';
- case 'timestamp':
- return 'TIMESTAMP without time zone';
- case 'float':
- return 'FLOAT8';
- case 'decimal':
- $length = !empty($field['length']) ? $field['length'] : 18;
- $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
- return 'NUMERIC('.$length.','.$scale.')';
- }
- }
-
- // }}}
- // {{{ _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 $field associative array with the name of the properties
- * of the field being declared as array indexes. Currently, the types
- * of supported field properties are as follows:
- *
- * unsigned
- * Boolean flag that indicates whether the field should be
- * declared as unsigned integer if possible.
- *
- * default
- * Integer value to be used as default for this field.
- *
- * notnull
- * Boolean flag that indicates whether this field is constrained
- * to not be set to null.
- * @return string DBMS specific SQL code portion that should be used to
- * declare the specified field.
- * @access protected
- */
- function _getIntegerDeclaration($name, $field)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- if (!empty($field['unsigned'])) {
- $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
- }
- if (!empty($field['autoincrement'])) {
- $name = $db->quoteIdentifier($name, true);
- return $name.' '.$this->getTypeDeclaration($field);
- }
- $default = '';
- if (array_key_exists('default', $field)) {
- if ($field['default'] === '') {
- $field['default'] = empty($field['notnull']) ? null : 0;
- }
- $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
- }
-
- $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
- $name = $db->quoteIdentifier($name, true);
- return $name.' '.$this->getTypeDeclaration($field).$default.$notnull;
- }
-
- // }}}
- // {{{ _quoteCLOB()
-
- /**
- * 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 $escape_wildcards if to escape escape wildcards
- * @return string text string that represents the given argument value in
- * a DBMS specific format.
- * @access protected
- */
- function _quoteCLOB($value, $quote, $escape_wildcards)
- {
- return $this->_quoteText($value, $quote, $escape_wildcards);
- }
-
- // }}}
- // {{{ _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;
- }
- if (version_compare(PHP_VERSION, '5.2.0RC6', '>=')) {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
- $connection = $db->getConnection();
- if (PEAR::isError($connection)) {
- return $connection;
- }
- $value = @pg_escape_bytea($connection, $value);
- } else {
- $value = @pg_escape_bytea($value);
- }
- return "'".$value."'";
- }
-
- // }}}
- // {{{ _quoteBoolean()
-
- /**
- * 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 $escape_wildcards if to escape escape wildcards
- * @return string text string that represents the given argument value in
- * a DBMS specific format.
- * @access protected
- */
- function _quoteBoolean($value, $quote, $escape_wildcards)
- {
- $value = $value ? 't' : 'f';
- if (!$quote) {
- return $value;
- }
- return "'".$value."'";
- }
-
- // }}}
- // {{{ 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)) {
- $field = is_null($field) ? '' : $field.' ';
- $operator = strtoupper($operator);
- switch ($operator) {
- // case insensitive
- case 'ILIKE':
- $match = $field.'ILIKE ';
- break;
- // case sensitive
- case 'LIKE':
- $match = $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 {
- $match.= $db->escapePattern($db->escape($value));
- }
- }
- $match.= "'";
- $match.= $this->patternEscapeString();
- return $match;
- }
-
- // }}}
- // {{{ patternEscapeString()
-
- /**
- * build string to define escape pattern string
- *
- * @access public
- *
- *
- * @return string define escape pattern
- */
- function patternEscapeString()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
- return ' ESCAPE '.$this->quote($db->string_quoting['escape_pattern']);
- }
-
- // }}}
- // {{{ _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)
- {
- $db_type = strtolower($field['type']);
- $length = $field['length'];
- $type = array();
- $unsigned = $fixed = null;
- switch ($db_type) {
- case 'smallint':
- case 'int2':
- $type[] = 'integer';
- $unsigned = false;
- $length = 2;
- if ($length == '2') {
- $type[] = 'boolean';
- if (preg_match('/^(is|has)/', $field['name'])) {
- $type = array_reverse($type);
- }
- }
- break;
- case 'int':
- case 'int4':
- case 'integer':
- case 'serial':
- case 'serial4':
- $type[] = 'integer';
- $unsigned = false;
- $length = 4;
- break;
- case 'bigint':
- case 'int8':
- case 'bigserial':
- case 'serial8':
- $type[] = 'integer';
- $unsigned = false;
- $length = 8;
- break;
- case 'bool':
- case 'boolean':
- $type[] = 'boolean';
- $length = null;
- break;
- case 'text':
- case 'varchar':
- $fixed = false;
- case 'unknown':
- case 'char':
- case 'bpchar':
- $type[] = 'text';
- if ($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 'date':
- $type[] = 'date';
- $length = null;
- break;
- case 'datetime':
- case 'timestamp':
- case 'timestamptz':
- $type[] = 'timestamp';
- $length = null;
- break;
- case 'time':
- $type[] = 'time';
- $length = null;
- break;
- case 'float':
- case 'float4':
- case 'float8':
- case 'double':
- case 'real':
- $type[] = 'float';
- break;
- case 'decimal':
- case 'money':
- case 'numeric':
- $type[] = 'decimal';
- if (isset($field['scale'])) {
- $length = $length.','.$field['scale'];
- }
- break;
- case 'tinyblob':
- case 'mediumblob':
- case 'longblob':
- case 'blob':
- case 'bytea':
- $type[] = 'blob';
- $length = null;
- break;
- case 'oid':
- $type[] = 'blob';
- $type[] = 'clob';
- $length = null;
- break;
- case 'year':
- $type[] = 'integer';
- $type[] = 'date';
- $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);
- }
-
- // }}}
- // {{{ mapPrepareDatatype()
-
- /**
- * Maps an mdb2 datatype to native 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__, $parameter));
- }
- }
-
- switch ($type) {
- case 'integer':
- return 'int';
- case 'boolean':
- return 'bool';
- case 'decimal':
- case 'float':
- return 'numeric';
- case 'clob':
- return 'text';
- case 'blob':
- return 'bytea';
- default:
- break;
- }
- return $type;
- }
- // }}}
-}
+<?php
+// +----------------------------------------------------------------------+
+// | 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. |
+// +----------------------------------------------------------------------+
+// | Author: Paul Cooper <pgc@ucecom.com> |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php 292715 2009-12-28 14:06:34Z quipo $
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 PostGreSQL driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Driver_Datatype_pgsql 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 (null === $value) {
+ return null;
+ }
+ switch ($type) {
+ case 'boolean':
+ return $value == 't';
+ case 'float':
+ return doubleval($value);
+ case 'date':
+ return $value;
+ case 'time':
+ return substr($value, 0, strlen('HH:MM:SS'));
+ case 'timestamp':
+ return substr($value, 0, strlen('YYYY-MM-DD HH:MM:SS'));
+ case 'blob':
+ $value = pg_unescape_bytea($value);
+ return parent::_baseConvertResult($value, $type, $rtrim);
+ }
+ return parent::_baseConvertResult($value, $type, $rtrim);
+ }
+
+ // }}}
+ // {{{ 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':
+ return 'TEXT';
+ case 'blob':
+ return 'BYTEA';
+ case 'integer':
+ if (!empty($field['autoincrement'])) {
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length > 4) {
+ return 'BIGSERIAL PRIMARY KEY';
+ }
+ }
+ return 'SERIAL PRIMARY KEY';
+ }
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 2) {
+ return 'SMALLINT';
+ } elseif ($length == 3 || $length == 4) {
+ return 'INT';
+ } elseif ($length > 4) {
+ return 'BIGINT';
+ }
+ }
+ return 'INT';
+ case 'boolean':
+ return 'BOOLEAN';
+ case 'date':
+ return 'DATE';
+ case 'time':
+ return 'TIME without time zone';
+ case 'timestamp':
+ return 'TIMESTAMP without time zone';
+ case 'float':
+ return 'FLOAT8';
+ case 'decimal':
+ $length = !empty($field['length']) ? $field['length'] : 18;
+ $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+ return 'NUMERIC('.$length.','.$scale.')';
+ }
+ }
+
+ // }}}
+ // {{{ _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 $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field should be
+ * declared as unsigned integer if possible.
+ *
+ * default
+ * Integer value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getIntegerDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!empty($field['unsigned'])) {
+ $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
+ }
+ if (!empty($field['autoincrement'])) {
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field);
+ }
+ $default = '';
+ if (array_key_exists('default', $field)) {
+ if ($field['default'] === '') {
+ $field['default'] = empty($field['notnull']) ? null : 0;
+ }
+ $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+ }
+
+ $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$default.$notnull;
+ }
+
+ // }}}
+ // {{{ _quoteCLOB()
+
+ /**
+ * 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 $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteCLOB($value, $quote, $escape_wildcards)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ if ($db->options['lob_allow_url_include']) {
+ $value = $this->_readFile($value);
+ if (PEAR::isError($value)) {
+ return $value;
+ }
+ }
+ return $this->_quoteText($value, $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ _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;
+ }
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ if ($db->options['lob_allow_url_include']) {
+ $value = $this->_readFile($value);
+ if (PEAR::isError($value)) {
+ return $value;
+ }
+ }
+ if (version_compare(PHP_VERSION, '5.2.0RC6', '>=')) {
+ $connection = $db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ $value = @pg_escape_bytea($connection, $value);
+ } else {
+ $value = @pg_escape_bytea($value);
+ }
+ return "'".$value."'";
+ }
+
+ // }}}
+ // {{{ _quoteBoolean()
+
+ /**
+ * 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 $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteBoolean($value, $quote, $escape_wildcards)
+ {
+ $value = $value ? 't' : 'f';
+ if (!$quote) {
+ return $value;
+ }
+ return "'".$value."'";
+ }
+
+ // }}}
+ // {{{ 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 (null !== $operator) {
+ $field = (null === $field) ? '' : $field.' ';
+ $operator = strtoupper($operator);
+ switch ($operator) {
+ // case insensitive
+ case 'ILIKE':
+ $match = $field.'ILIKE ';
+ break;
+ case 'NOT ILIKE':
+ $match = $field.'NOT ILIKE ';
+ break;
+ // case sensitive
+ case 'LIKE':
+ $match = $field.'LIKE ';
+ break;
+ case 'NOT LIKE':
+ $match = $field.'NOT 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 {
+ $match.= $db->escapePattern($db->escape($value));
+ }
+ }
+ $match.= "'";
+ $match.= $this->patternEscapeString();
+ return $match;
+ }
+
+ // }}}
+ // {{{ patternEscapeString()
+
+ /**
+ * build string to define escape pattern string
+ *
+ * @access public
+ *
+ *
+ * @return string define escape pattern
+ */
+ function patternEscapeString()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ return ' ESCAPE '.$this->quote($db->string_quoting['escape_pattern']);
+ }
+
+ // }}}
+ // {{{ _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)
+ {
+ $db_type = strtolower($field['type']);
+ $length = $field['length'];
+ $type = array();
+ $unsigned = $fixed = null;
+ switch ($db_type) {
+ case 'smallint':
+ case 'int2':
+ $type[] = 'integer';
+ $unsigned = false;
+ $length = 2;
+ if ($length == '2') {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ }
+ break;
+ case 'int':
+ case 'int4':
+ case 'integer':
+ case 'serial':
+ case 'serial4':
+ $type[] = 'integer';
+ $unsigned = false;
+ $length = 4;
+ break;
+ case 'bigint':
+ case 'int8':
+ case 'bigserial':
+ case 'serial8':
+ $type[] = 'integer';
+ $unsigned = false;
+ $length = 8;
+ break;
+ case 'bool':
+ case 'boolean':
+ $type[] = 'boolean';
+ $length = null;
+ break;
+ case 'text':
+ case 'varchar':
+ $fixed = false;
+ case 'unknown':
+ case 'char':
+ case 'bpchar':
+ $type[] = 'text';
+ if ($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 'date':
+ $type[] = 'date';
+ $length = null;
+ break;
+ case 'datetime':
+ case 'timestamp':
+ case 'timestamptz':
+ $type[] = 'timestamp';
+ $length = null;
+ break;
+ case 'time':
+ $type[] = 'time';
+ $length = null;
+ break;
+ case 'float':
+ case 'float4':
+ case 'float8':
+ case 'double':
+ case 'real':
+ $type[] = 'float';
+ break;
+ case 'decimal':
+ case 'money':
+ case 'numeric':
+ $type[] = 'decimal';
+ if (isset($field['scale'])) {
+ $length = $length.','.$field['scale'];
+ }
+ break;
+ case 'tinyblob':
+ case 'mediumblob':
+ case 'longblob':
+ case 'blob':
+ case 'bytea':
+ $type[] = 'blob';
+ $length = null;
+ break;
+ case 'oid':
+ $type[] = 'blob';
+ $type[] = 'clob';
+ $length = null;
+ break;
+ case 'year':
+ $type[] = 'integer';
+ $type[] = 'date';
+ $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);
+ }
+
+ // }}}
+ // {{{ mapPrepareDatatype()
+
+ /**
+ * Maps an mdb2 datatype to native 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__, $parameter));
+ }
+ }
+
+ switch ($type) {
+ case 'integer':
+ return 'int';
+ case 'boolean':
+ return 'bool';
+ case 'decimal':
+ case 'float':
+ return 'numeric';
+ case 'clob':
+ return 'text';
+ case 'blob':
+ return 'bytea';
+ default:
+ break;
+ }
+ return $type;
+ }
+ // }}}
+}
?>
\ No newline at end of file
--
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