1 | <?php |
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2 | // +----------------------------------------------------------------------+ |
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3 | // | PHP versions 4 and 5 | |
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4 | // +----------------------------------------------------------------------+ |
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5 | // | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, | |
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6 | // | Stig. S. Bakken, Lukas Smith | |
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7 | // | All rights reserved. | |
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8 | // +----------------------------------------------------------------------+ |
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9 | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | |
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10 | // | API as well as database abstraction for PHP applications. | |
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11 | // | This LICENSE is in the BSD license style. | |
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12 | // | | |
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13 | // | Redistribution and use in source and binary forms, with or without | |
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14 | // | modification, are permitted provided that the following conditions | |
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15 | // | are met: | |
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16 | // | | |
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17 | // | Redistributions of source code must retain the above copyright | |
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18 | // | notice, this list of conditions and the following disclaimer. | |
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19 | // | | |
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20 | // | Redistributions in binary form must reproduce the above copyright | |
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21 | // | notice, this list of conditions and the following disclaimer in the | |
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22 | // | documentation and/or other materials provided with the distribution. | |
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23 | // | | |
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24 | // | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | |
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25 | // | Lukas Smith nor the names of his contributors may be used to endorse | |
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26 | // | or promote products derived from this software without specific prior| |
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27 | // | written permission. | |
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28 | // | | |
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29 | // | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
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30 | // | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
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31 | // | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
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32 | // | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
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33 | // | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
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34 | // | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
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35 | // | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| |
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36 | // | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |
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37 | // | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
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38 | // | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| |
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39 | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
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40 | // | POSSIBILITY OF SUCH DAMAGE. | |
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41 | // +----------------------------------------------------------------------+ |
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42 | // | Authors: Paul Cooper <pgc@ucecom.com> | |
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43 | // | Lorenzo Alberton <l.alberton@quipo.it> | |
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44 | // +----------------------------------------------------------------------+ |
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45 | // |
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46 | // $Id: pgsql.php,v 1.75 2008/08/22 16:36:20 quipo Exp $ |
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47 | |
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48 | require_once 'MDB2/Driver/Reverse/Common.php'; |
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49 | |
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50 | /** |
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51 | * MDB2 PostGreSQL driver for the schema reverse engineering module |
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52 | * |
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53 | * @package MDB2 |
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54 | * @category Database |
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55 | * @author Paul Cooper <pgc@ucecom.com> |
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56 | * @author Lorenzo Alberton <l.alberton@quipo.it> |
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57 | */ |
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58 | class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common |
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59 | { |
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60 | // {{{ getTableFieldDefinition() |
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61 | |
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62 | /** |
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63 | * Get the structure of a field into an array |
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64 | * |
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65 | * @param string $table_name name of table that should be used in method |
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66 | * @param string $field_name name of field that should be used in method |
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67 | * @return mixed data array on success, a MDB2 error on failure |
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68 | * @access public |
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69 | */ |
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70 | function getTableFieldDefinition($table_name, $field_name) |
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71 | { |
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72 | $db =& $this->getDBInstance(); |
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73 | if (PEAR::isError($db)) { |
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74 | return $db; |
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75 | } |
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76 | |
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77 | $result = $db->loadModule('Datatype', null, true); |
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78 | if (PEAR::isError($result)) { |
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79 | return $result; |
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80 | } |
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81 | |
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82 | list($schema, $table) = $this->splitTableSchema($table_name); |
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83 | |
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84 | $query = "SELECT a.attname AS name, |
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85 | t.typname AS type, |
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86 | CASE a.attlen |
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87 | WHEN -1 THEN |
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88 | CASE t.typname |
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89 | WHEN 'numeric' THEN (a.atttypmod / 65536) |
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90 | WHEN 'decimal' THEN (a.atttypmod / 65536) |
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91 | WHEN 'money' THEN (a.atttypmod / 65536) |
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92 | ELSE CASE a.atttypmod |
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93 | WHEN -1 THEN NULL |
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94 | ELSE a.atttypmod - 4 |
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95 | END |
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96 | END |
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97 | ELSE a.attlen |
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98 | END AS length, |
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99 | CASE t.typname |
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100 | WHEN 'numeric' THEN (a.atttypmod % 65536) - 4 |
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101 | WHEN 'decimal' THEN (a.atttypmod % 65536) - 4 |
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102 | WHEN 'money' THEN (a.atttypmod % 65536) - 4 |
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103 | ELSE 0 |
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104 | END AS scale, |
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105 | a.attnotnull, |
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106 | a.atttypmod, |
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107 | a.atthasdef, |
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108 | (SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128) |
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109 | FROM pg_attrdef d |
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110 | WHERE d.adrelid = a.attrelid |
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111 | AND d.adnum = a.attnum |
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112 | AND a.atthasdef |
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113 | ) as default |
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114 | FROM pg_attribute a, |
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115 | pg_class c, |
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116 | pg_type t |
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117 | WHERE c.relname = ".$db->quote($table, 'text')." |
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118 | AND a.atttypid = t.oid |
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119 | AND c.oid = a.attrelid |
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120 | AND NOT a.attisdropped |
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121 | AND a.attnum > 0 |
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122 | AND a.attname = ".$db->quote($field_name, 'text')." |
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123 | ORDER BY a.attnum"; |
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124 | $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC); |
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125 | if (PEAR::isError($column)) { |
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126 | return $column; |
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127 | } |
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128 | |
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129 | if (empty($column)) { |
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130 | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
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131 | 'it was not specified an existing table column', __FUNCTION__); |
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132 | } |
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133 | |
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134 | $column = array_change_key_case($column, CASE_LOWER); |
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135 | $mapped_datatype = $db->datatype->mapNativeDatatype($column); |
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136 | if (PEAR::isError($mapped_datatype)) { |
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137 | return $mapped_datatype; |
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138 | } |
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139 | list($types, $length, $unsigned, $fixed) = $mapped_datatype; |
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140 | $notnull = false; |
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141 | if (!empty($column['attnotnull']) && $column['attnotnull'] == 't') { |
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142 | $notnull = true; |
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143 | } |
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144 | $default = null; |
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145 | if ($column['atthasdef'] === 't' |
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146 | && !preg_match("/nextval\('([^']+)'/", $column['default']) |
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147 | ) { |
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148 | $pattern = '/^\'(.*)\'::[\w ]+$/i'; |
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149 | $default = $column['default'];#substr($column['adsrc'], 1, -1); |
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150 | if (is_null($default) && $notnull) { |
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151 | $default = ''; |
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152 | } elseif (!empty($default) && preg_match($pattern, $default)) { |
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153 | //remove data type cast |
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154 | $default = preg_replace ($pattern, '\\1', $default); |
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155 | } |
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156 | } |
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157 | $autoincrement = false; |
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158 | if (preg_match("/nextval\('([^']+)'/", $column['default'], $nextvals)) { |
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159 | $autoincrement = true; |
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160 | } |
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161 | $definition[0] = array('notnull' => $notnull, 'nativetype' => $column['type']); |
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162 | if (!is_null($length)) { |
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163 | $definition[0]['length'] = $length; |
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164 | } |
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165 | if (!is_null($unsigned)) { |
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166 | $definition[0]['unsigned'] = $unsigned; |
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167 | } |
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168 | if (!is_null($fixed)) { |
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169 | $definition[0]['fixed'] = $fixed; |
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170 | } |
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171 | if ($default !== false) { |
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172 | $definition[0]['default'] = $default; |
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173 | } |
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174 | if ($autoincrement !== false) { |
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175 | $definition[0]['autoincrement'] = $autoincrement; |
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176 | } |
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177 | foreach ($types as $key => $type) { |
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178 | $definition[$key] = $definition[0]; |
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179 | if ($type == 'clob' || $type == 'blob') { |
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180 | unset($definition[$key]['default']); |
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181 | } |
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182 | $definition[$key]['type'] = $type; |
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183 | $definition[$key]['mdb2type'] = $type; |
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184 | } |
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185 | return $definition; |
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186 | } |
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187 | |
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188 | // }}} |
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189 | // {{{ getTableIndexDefinition() |
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190 | |
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191 | /** |
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192 | * Get the structure of an index into an array |
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193 | * |
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194 | * @param string $table_name name of table that should be used in method |
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195 | * @param string $index_name name of index that should be used in method |
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196 | * @return mixed data array on success, a MDB2 error on failure |
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197 | * @access public |
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198 | */ |
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199 | function getTableIndexDefinition($table_name, $index_name) |
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200 | { |
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201 | $db =& $this->getDBInstance(); |
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202 | if (PEAR::isError($db)) { |
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203 | return $db; |
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204 | } |
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205 | |
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206 | list($schema, $table) = $this->splitTableSchema($table_name); |
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207 | |
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208 | $query = 'SELECT relname, indkey FROM pg_index, pg_class'; |
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209 | $query.= ' WHERE pg_class.oid = pg_index.indexrelid'; |
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210 | $query.= " AND indisunique != 't' AND indisprimary != 't'"; |
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211 | $query.= ' AND pg_class.relname = %s'; |
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212 | $index_name_mdb2 = $db->getIndexName($index_name); |
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213 | $row = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC); |
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214 | if (PEAR::isError($row) || empty($row)) { |
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215 | // fallback to the given $index_name, without transformation |
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216 | $row = $db->queryRow(sprintf($query, $db->quote($index_name, 'text')), null, MDB2_FETCHMODE_ASSOC); |
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217 | } |
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218 | if (PEAR::isError($row)) { |
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219 | return $row; |
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220 | } |
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221 | |
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222 | if (empty($row)) { |
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223 | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
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224 | 'it was not specified an existing table index', __FUNCTION__); |
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225 | } |
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226 | |
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227 | $row = array_change_key_case($row, CASE_LOWER); |
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228 | |
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229 | $db->loadModule('Manager', null, true); |
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230 | $columns = $db->manager->listTableFields($table_name); |
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231 | |
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232 | $definition = array(); |
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233 | |
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234 | $index_column_numbers = explode(' ', $row['indkey']); |
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235 | |
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236 | $colpos = 1; |
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237 | foreach ($index_column_numbers as $number) { |
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238 | $definition['fields'][$columns[($number - 1)]] = array( |
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239 | 'position' => $colpos++, |
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240 | 'sorting' => 'ascending', |
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241 | ); |
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242 | } |
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243 | return $definition; |
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244 | } |
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245 | |
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246 | // }}} |
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247 | // {{{ getTableConstraintDefinition() |
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248 | |
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249 | /** |
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250 | * Get the structure of a constraint into an array |
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251 | * |
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252 | * @param string $table_name name of table that should be used in method |
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253 | * @param string $constraint_name name of constraint that should be used in method |
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254 | * @return mixed data array on success, a MDB2 error on failure |
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255 | * @access public |
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256 | */ |
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257 | function getTableConstraintDefinition($table_name, $constraint_name) |
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258 | { |
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259 | $db =& $this->getDBInstance(); |
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260 | if (PEAR::isError($db)) { |
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261 | return $db; |
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262 | } |
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263 | |
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264 | list($schema, $table) = $this->splitTableSchema($table_name); |
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265 | |
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266 | $query = "SELECT c.oid, |
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267 | c.conname AS constraint_name, |
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268 | CASE WHEN c.contype = 'c' THEN 1 ELSE 0 END AS \"check\", |
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269 | CASE WHEN c.contype = 'f' THEN 1 ELSE 0 END AS \"foreign\", |
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270 | CASE WHEN c.contype = 'p' THEN 1 ELSE 0 END AS \"primary\", |
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271 | CASE WHEN c.contype = 'u' THEN 1 ELSE 0 END AS \"unique\", |
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272 | CASE WHEN c.condeferrable = 'f' THEN 0 ELSE 1 END AS deferrable, |
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273 | CASE WHEN c.condeferred = 'f' THEN 0 ELSE 1 END AS initiallydeferred, |
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274 | --array_to_string(c.conkey, ' ') AS constraint_key, |
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275 | t.relname AS table_name, |
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276 | t2.relname AS references_table, |
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277 | CASE confupdtype |
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278 | WHEN 'a' THEN 'NO ACTION' |
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279 | WHEN 'r' THEN 'RESTRICT' |
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280 | WHEN 'c' THEN 'CASCADE' |
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281 | WHEN 'n' THEN 'SET NULL' |
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282 | WHEN 'd' THEN 'SET DEFAULT' |
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283 | END AS onupdate, |
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284 | CASE confdeltype |
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285 | WHEN 'a' THEN 'NO ACTION' |
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286 | WHEN 'r' THEN 'RESTRICT' |
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287 | WHEN 'c' THEN 'CASCADE' |
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288 | WHEN 'n' THEN 'SET NULL' |
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289 | WHEN 'd' THEN 'SET DEFAULT' |
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290 | END AS ondelete, |
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291 | CASE confmatchtype |
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292 | WHEN 'u' THEN 'UNSPECIFIED' |
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293 | WHEN 'f' THEN 'FULL' |
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294 | WHEN 'p' THEN 'PARTIAL' |
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295 | END AS match, |
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296 | --array_to_string(c.confkey, ' ') AS fk_constraint_key, |
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297 | consrc |
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298 | FROM pg_constraint c |
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299 | LEFT JOIN pg_class t ON c.conrelid = t.oid |
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300 | LEFT JOIN pg_class t2 ON c.confrelid = t2.oid |
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301 | WHERE c.conname = %s |
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302 | AND t.relname = " . $db->quote($table, 'text'); |
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303 | $constraint_name_mdb2 = $db->getIndexName($constraint_name); |
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304 | $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC); |
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305 | if (PEAR::isError($row) || empty($row)) { |
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306 | // fallback to the given $index_name, without transformation |
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307 | $constraint_name_mdb2 = $constraint_name; |
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308 | $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC); |
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309 | } |
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310 | if (PEAR::isError($row)) { |
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311 | return $row; |
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312 | } |
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313 | $uniqueIndex = false; |
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314 | if (empty($row)) { |
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315 | // We might be looking for a UNIQUE index that was not created |
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316 | // as a constraint but should be treated as such. |
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317 | $query = 'SELECT relname AS constraint_name, |
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318 | indkey, |
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319 | 0 AS "check", |
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320 | 0 AS "foreign", |
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321 | 0 AS "primary", |
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322 | 1 AS "unique", |
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323 | 0 AS deferrable, |
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324 | 0 AS initiallydeferred, |
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325 | NULL AS references_table, |
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326 | NULL AS onupdate, |
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327 | NULL AS ondelete, |
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328 | NULL AS match |
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329 | FROM pg_index, pg_class |
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330 | WHERE pg_class.oid = pg_index.indexrelid |
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331 | AND indisunique = \'t\' |
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332 | AND pg_class.relname = %s'; |
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333 | $constraint_name_mdb2 = $db->getIndexName($constraint_name); |
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334 | $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC); |
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335 | if (PEAR::isError($row) || empty($row)) { |
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336 | // fallback to the given $index_name, without transformation |
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337 | $constraint_name_mdb2 = $constraint_name; |
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338 | $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC); |
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339 | } |
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340 | if (PEAR::isError($row)) { |
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341 | return $row; |
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342 | } |
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343 | if (empty($row)) { |
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344 | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
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345 | $constraint_name . ' is not an existing table constraint', __FUNCTION__); |
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346 | } |
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347 | $uniqueIndex = true; |
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348 | } |
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349 | |
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350 | $row = array_change_key_case($row, CASE_LOWER); |
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351 | |
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352 | $definition = array( |
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353 | 'primary' => (boolean)$row['primary'], |
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354 | 'unique' => (boolean)$row['unique'], |
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355 | 'foreign' => (boolean)$row['foreign'], |
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356 | 'check' => (boolean)$row['check'], |
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357 | 'fields' => array(), |
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358 | 'references' => array( |
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359 | 'table' => $row['references_table'], |
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360 | 'fields' => array(), |
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361 | ), |
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362 | 'deferrable' => (boolean)$row['deferrable'], |
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363 | 'initiallydeferred' => (boolean)$row['initiallydeferred'], |
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364 | 'onupdate' => $row['onupdate'], |
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365 | 'ondelete' => $row['ondelete'], |
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366 | 'match' => $row['match'], |
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367 | ); |
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368 | |
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369 | if ($uniqueIndex) { |
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370 | $db->loadModule('Manager', null, true); |
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371 | $columns = $db->manager->listTableFields($table_name); |
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372 | $index_column_numbers = explode(' ', $row['indkey']); |
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373 | $colpos = 1; |
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374 | foreach ($index_column_numbers as $number) { |
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375 | $definition['fields'][$columns[($number - 1)]] = array( |
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376 | 'position' => $colpos++, |
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377 | 'sorting' => 'ascending', |
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378 | ); |
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379 | } |
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380 | return $definition; |
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381 | } |
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382 | |
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383 | $query = 'SELECT a.attname |
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384 | FROM pg_constraint c |
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385 | LEFT JOIN pg_class t ON c.conrelid = t.oid |
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386 | LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.conkey) |
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387 | WHERE c.conname = %s |
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388 | AND t.relname = ' . $db->quote($table, 'text'); |
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389 | $fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null); |
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390 | if (PEAR::isError($fields)) { |
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391 | return $fields; |
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392 | } |
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393 | $colpos = 1; |
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394 | foreach ($fields as $field) { |
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395 | $definition['fields'][$field] = array( |
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396 | 'position' => $colpos++, |
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397 | 'sorting' => 'ascending', |
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398 | ); |
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399 | } |
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400 | |
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401 | if ($definition['foreign']) { |
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402 | $query = 'SELECT a.attname |
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403 | FROM pg_constraint c |
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404 | LEFT JOIN pg_class t ON c.confrelid = t.oid |
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405 | LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.confkey) |
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406 | WHERE c.conname = %s |
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407 | AND t.relname = ' . $db->quote($definition['references']['table'], 'text'); |
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408 | $foreign_fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null); |
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409 | if (PEAR::isError($foreign_fields)) { |
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410 | return $foreign_fields; |
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411 | } |
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412 | $colpos = 1; |
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413 | foreach ($foreign_fields as $foreign_field) { |
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414 | $definition['references']['fields'][$foreign_field] = array( |
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415 | 'position' => $colpos++, |
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416 | ); |
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417 | } |
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418 | } |
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419 | |
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420 | if ($definition['check']) { |
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421 | $check_def = $db->queryOne("SELECT pg_get_constraintdef(" . $row['oid'] . ", 't')"); |
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422 | // ... |
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423 | } |
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424 | return $definition; |
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425 | } |
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426 | |
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427 | // }}} |
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428 | // {{{ getTriggerDefinition() |
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429 | |
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430 | /** |
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431 | * Get the structure of a trigger into an array |
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432 | * |
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433 | * EXPERIMENTAL |
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434 | * |
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435 | * WARNING: this function is experimental and may change the returned value |
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436 | * at any time until labelled as non-experimental |
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437 | * |
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438 | * @param string $trigger name of trigger that should be used in method |
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439 | * @return mixed data array on success, a MDB2 error on failure |
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440 | * @access public |
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441 | * |
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442 | * @TODO: add support for plsql functions and functions with args |
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443 | */ |
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444 | function getTriggerDefinition($trigger) |
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445 | { |
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446 | $db =& $this->getDBInstance(); |
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447 | if (PEAR::isError($db)) { |
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448 | return $db; |
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449 | } |
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450 | |
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451 | $query = "SELECT trg.tgname AS trigger_name, |
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452 | tbl.relname AS table_name, |
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453 | CASE |
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454 | WHEN p.proname IS NOT NULL THEN 'EXECUTE PROCEDURE ' || p.proname || '();' |
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455 | ELSE '' |
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456 | END AS trigger_body, |
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457 | CASE trg.tgtype & cast(2 as int2) |
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458 | WHEN 0 THEN 'AFTER' |
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459 | ELSE 'BEFORE' |
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460 | END AS trigger_type, |
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461 | CASE trg.tgtype & cast(28 as int2) |
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462 | WHEN 16 THEN 'UPDATE' |
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463 | WHEN 8 THEN 'DELETE' |
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464 | WHEN 4 THEN 'INSERT' |
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465 | WHEN 20 THEN 'INSERT, UPDATE' |
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466 | WHEN 28 THEN 'INSERT, UPDATE, DELETE' |
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467 | WHEN 24 THEN 'UPDATE, DELETE' |
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468 | WHEN 12 THEN 'INSERT, DELETE' |
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469 | END AS trigger_event, |
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470 | CASE trg.tgenabled |
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471 | WHEN 'O' THEN 't' |
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472 | ELSE trg.tgenabled |
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473 | END AS trigger_enabled, |
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474 | obj_description(trg.oid, 'pg_trigger') AS trigger_comment |
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475 | FROM pg_trigger trg, |
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476 | pg_class tbl, |
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477 | pg_proc p |
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478 | WHERE trg.tgrelid = tbl.oid |
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479 | AND trg.tgfoid = p.oid |
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480 | AND trg.tgname = ". $db->quote($trigger, 'text'); |
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481 | $types = array( |
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482 | 'trigger_name' => 'text', |
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483 | 'table_name' => 'text', |
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484 | 'trigger_body' => 'text', |
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485 | 'trigger_type' => 'text', |
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486 | 'trigger_event' => 'text', |
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487 | 'trigger_comment' => 'text', |
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488 | 'trigger_enabled' => 'boolean', |
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489 | ); |
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490 | return $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC); |
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491 | } |
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492 | |
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493 | // }}} |
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494 | // {{{ tableInfo() |
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495 | |
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496 | /** |
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497 | * Returns information about a table or a result set |
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498 | * |
---|
499 | * NOTE: only supports 'table' and 'flags' if <var>$result</var> |
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500 | * is a table name. |
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501 | * |
---|
502 | * @param object|string $result MDB2_result object from a query or a |
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503 | * string containing the name of a table. |
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504 | * While this also accepts a query result |
---|
505 | * resource identifier, this behavior is |
---|
506 | * deprecated. |
---|
507 | * @param int $mode a valid tableInfo mode |
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508 | * |
---|
509 | * @return array an associative array with the information requested. |
---|
510 | * A MDB2_Error object on failure. |
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511 | * |
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512 | * @see MDB2_Driver_Common::tableInfo() |
---|
513 | */ |
---|
514 | function tableInfo($result, $mode = null) |
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515 | { |
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516 | if (is_string($result)) { |
---|
517 | return parent::tableInfo($result, $mode); |
---|
518 | } |
---|
519 | |
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520 | $db =& $this->getDBInstance(); |
---|
521 | if (PEAR::isError($db)) { |
---|
522 | return $db; |
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523 | } |
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524 | |
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525 | $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result; |
---|
526 | if (!is_resource($resource)) { |
---|
527 | return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, |
---|
528 | 'Could not generate result resource', __FUNCTION__); |
---|
529 | } |
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530 | |
---|
531 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
---|
532 | if ($db->options['field_case'] == CASE_LOWER) { |
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533 | $case_func = 'strtolower'; |
---|
534 | } else { |
---|
535 | $case_func = 'strtoupper'; |
---|
536 | } |
---|
537 | } else { |
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538 | $case_func = 'strval'; |
---|
539 | } |
---|
540 | |
---|
541 | $count = @pg_num_fields($resource); |
---|
542 | $res = array(); |
---|
543 | |
---|
544 | if ($mode) { |
---|
545 | $res['num_fields'] = $count; |
---|
546 | } |
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547 | |
---|
548 | $db->loadModule('Datatype', null, true); |
---|
549 | for ($i = 0; $i < $count; $i++) { |
---|
550 | $res[$i] = array( |
---|
551 | 'table' => function_exists('pg_field_table') ? @pg_field_table($resource, $i) : '', |
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552 | 'name' => $case_func(@pg_field_name($resource, $i)), |
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553 | 'type' => @pg_field_type($resource, $i), |
---|
554 | 'length' => @pg_field_size($resource, $i), |
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555 | 'flags' => '', |
---|
556 | ); |
---|
557 | $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]); |
---|
558 | if (PEAR::isError($mdb2type_info)) { |
---|
559 | return $mdb2type_info; |
---|
560 | } |
---|
561 | $res[$i]['mdb2type'] = $mdb2type_info[0][0]; |
---|
562 | if ($mode & MDB2_TABLEINFO_ORDER) { |
---|
563 | $res['order'][$res[$i]['name']] = $i; |
---|
564 | } |
---|
565 | if ($mode & MDB2_TABLEINFO_ORDERTABLE) { |
---|
566 | $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; |
---|
567 | } |
---|
568 | } |
---|
569 | |
---|
570 | return $res; |
---|
571 | } |
---|
572 | } |
---|
573 | ?> |
---|