1 | <?php |
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2 | /* |
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3 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved. |
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4 | Released under both BSD license and Lesser GPL library license. |
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5 | Whenever there is any discrepancy between the two licenses, |
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6 | the BSD license will take precedence. |
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7 | Set tabs to 4. |
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8 | |
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9 | Postgres7 support. |
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10 | 28 Feb 2001: Currently indicate that we support LIMIT |
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11 | 01 Dec 2001: dannym added support for default values |
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12 | */ |
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13 | |
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14 | // security - hide paths |
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15 | if (!defined('ADODB_DIR')) die(); |
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16 | |
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17 | include_once(ADODB_DIR."/drivers/adodb-postgres64.inc.php"); |
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18 | |
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19 | class ADODB_postgres7 extends ADODB_postgres64 { |
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20 | var $databaseType = 'postgres7'; |
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21 | var $hasLimit = true; // set to true for pgsql 6.5+ only. support pgsql/mysql SELECT * FROM TABLE LIMIT 10 |
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22 | var $ansiOuter = true; |
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23 | var $charSet = true; //set to true for Postgres 7 and above - PG client supports encodings |
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24 | |
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25 | function ADODB_postgres7() |
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26 | { |
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27 | $this->ADODB_postgres64(); |
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28 | if (ADODB_ASSOC_CASE !== 2) { |
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29 | $this->rsPrefix .= 'assoc_'; |
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30 | } |
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31 | $this->_bindInputArray = PHP_VERSION >= 5.1; |
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32 | } |
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33 | |
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34 | |
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35 | // the following should be compat with postgresql 7.2, |
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36 | // which makes obsolete the LIMIT limit,offset syntax |
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37 | function &SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs2cache=0) |
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38 | { |
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39 | $offsetStr = ($offset >= 0) ? " OFFSET ".((integer)$offset) : ''; |
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40 | $limitStr = ($nrows >= 0) ? " LIMIT ".((integer)$nrows) : ''; |
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41 | if ($secs2cache) |
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42 | $rs =& $this->CacheExecute($secs2cache,$sql."$limitStr$offsetStr",$inputarr); |
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43 | else |
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44 | $rs =& $this->Execute($sql."$limitStr$offsetStr",$inputarr); |
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45 | |
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46 | return $rs; |
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47 | } |
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48 | /* |
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49 | function Prepare($sql) |
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50 | { |
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51 | $info = $this->ServerInfo(); |
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52 | if ($info['version']>=7.3) { |
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53 | return array($sql,false); |
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54 | } |
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55 | return $sql; |
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56 | } |
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57 | */ |
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58 | |
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59 | |
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60 | // from Edward Jaramilla, improved version - works on pg 7.4 |
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61 | function MetaForeignKeys($table, $owner=false, $upper=false) |
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62 | { |
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63 | $sql = 'SELECT t.tgargs as args |
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64 | FROM |
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65 | pg_trigger t,pg_class c,pg_proc p |
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66 | WHERE |
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67 | t.tgenabled AND |
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68 | t.tgrelid = c.oid AND |
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69 | t.tgfoid = p.oid AND |
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70 | p.proname = \'RI_FKey_check_ins\' AND |
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71 | c.relname = \''.strtolower($table).'\' |
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72 | ORDER BY |
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73 | t.tgrelid'; |
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74 | |
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75 | $rs =& $this->Execute($sql); |
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76 | |
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77 | if (!$rs || $rs->EOF) return false; |
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78 | |
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79 | $arr =& $rs->GetArray(); |
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80 | $a = array(); |
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81 | foreach($arr as $v) { |
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82 | $data = explode(chr(0), $v['args']); |
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83 | $size = count($data)-1; //-1 because the last node is empty |
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84 | for($i = 4; $i < $size; $i++) { |
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85 | if ($upper) |
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86 | $a[strtoupper($data[2])][] = strtoupper($data[$i].'='.$data[++$i]); |
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87 | else |
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88 | $a[$data[2]][] = $data[$i].'='.$data[++$i]; |
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89 | } |
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90 | } |
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91 | return $a; |
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92 | } |
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93 | |
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94 | function _query($sql,$inputarr) |
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95 | { |
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96 | if (! $this->_bindInputArray) { |
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97 | // We don't have native support for parameterized queries, so let's emulate it at the parent |
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98 | return ADODB_postgres64::_query($sql, $inputarr); |
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99 | } |
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100 | $this->_errorMsg = false; |
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101 | // -- added Cristiano da Cunha Duarte |
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102 | if ($inputarr) { |
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103 | $sqlarr = explode('?',trim($sql)); |
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104 | $sql = ''; |
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105 | $i = 1; |
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106 | $last = sizeof($sqlarr)-1; |
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107 | foreach($sqlarr as $v) { |
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108 | if ($last < $i) $sql .= $v; |
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109 | else $sql .= $v.' $'.$i; |
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110 | $i++; |
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111 | } |
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112 | |
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113 | $rez = pg_query_params($this->_connectionID,$sql, $inputarr); |
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114 | } else { |
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115 | $rez = pg_query($this->_connectionID,$sql); |
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116 | } |
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117 | // check if no data returned, then no need to create real recordset |
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118 | if ($rez && pg_numfields($rez) <= 0) { |
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119 | if (is_resource($this->_resultid) && get_resource_type($this->_resultid) === 'pgsql result') { |
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120 | pg_freeresult($this->_resultid); |
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121 | } |
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122 | $this->_resultid = $rez; |
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123 | return true; |
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124 | } |
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125 | return $rez; |
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126 | } |
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127 | |
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128 | // this is a set of functions for managing client encoding - very important if the encodings |
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129 | // of your database and your output target (i.e. HTML) don't match |
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130 | //for instance, you may have UNICODE database and server it on-site as WIN1251 etc. |
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131 | // GetCharSet - get the name of the character set the client is using now |
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132 | // the functions should work with Postgres 7.0 and above, the set of charsets supported |
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133 | // depends on compile flags of postgres distribution - if no charsets were compiled into the server |
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134 | // it will return 'SQL_ANSI' always |
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135 | function GetCharSet() |
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136 | { |
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137 | //we will use ADO's builtin property charSet |
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138 | $this->charSet = @pg_client_encoding($this->_connectionID); |
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139 | if (!$this->charSet) { |
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140 | return false; |
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141 | } else { |
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142 | return $this->charSet; |
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143 | } |
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144 | } |
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145 | |
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146 | // SetCharSet - switch the client encoding |
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147 | function SetCharSet($charset_name) |
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148 | { |
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149 | $this->GetCharSet(); |
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150 | if ($this->charSet !== $charset_name) { |
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151 | $if = pg_set_client_encoding($this->_connectionID, $charset_name); |
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152 | if ($if == "0" & $this->GetCharSet() == $charset_name) { |
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153 | return true; |
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154 | } else return false; |
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155 | } else return true; |
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156 | } |
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157 | |
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158 | } |
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159 | |
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160 | /*-------------------------------------------------------------------------------------- |
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161 | Class Name: Recordset |
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162 | --------------------------------------------------------------------------------------*/ |
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163 | |
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164 | class ADORecordSet_postgres7 extends ADORecordSet_postgres64{ |
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165 | |
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166 | var $databaseType = "postgres7"; |
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167 | |
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168 | |
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169 | function ADORecordSet_postgres7($queryID,$mode=false) |
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170 | { |
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171 | $this->ADORecordSet_postgres64($queryID,$mode); |
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172 | } |
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173 | |
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174 | // 10% speedup to move MoveNext to child class |
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175 | function MoveNext() |
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176 | { |
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177 | if (!$this->EOF) { |
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178 | $this->_currentRow++; |
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179 | if ($this->_numOfRows < 0 || $this->_numOfRows > $this->_currentRow) { |
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180 | $this->fields = @pg_fetch_array($this->_queryID,$this->_currentRow,$this->fetchMode); |
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181 | |
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182 | if (is_array($this->fields)) { |
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183 | if ($this->fields && isset($this->_blobArr)) $this->_fixblobs(); |
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184 | return true; |
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185 | } |
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186 | } |
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187 | $this->fields = false; |
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188 | $this->EOF = true; |
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189 | } |
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190 | return false; |
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191 | } |
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192 | |
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193 | } |
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194 | |
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195 | class ADORecordSet_assoc_postgres7 extends ADORecordSet_postgres64{ |
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196 | |
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197 | var $databaseType = "postgres7"; |
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198 | |
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199 | |
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200 | function ADORecordSet_assoc_postgres7($queryID,$mode=false) |
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201 | { |
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202 | $this->ADORecordSet_postgres64($queryID,$mode); |
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203 | } |
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204 | |
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205 | function _fetch() |
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206 | { |
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207 | if ($this->_currentRow >= $this->_numOfRows && $this->_numOfRows >= 0) |
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208 | return false; |
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209 | |
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210 | $this->fields = @pg_fetch_array($this->_queryID,$this->_currentRow,$this->fetchMode); |
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211 | |
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212 | if ($this->fields) { |
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213 | if (isset($this->_blobArr)) $this->_fixblobs(); |
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214 | $this->_updatefields(); |
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215 | } |
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216 | |
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217 | return (is_array($this->fields)); |
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218 | } |
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219 | |
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220 | // Create associative array |
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221 | function _updatefields() |
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222 | { |
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223 | if (ADODB_ASSOC_CASE == 2) return; // native |
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224 | |
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225 | $arr = array(); |
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226 | $lowercase = (ADODB_ASSOC_CASE == 0); |
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227 | |
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228 | foreach($this->fields as $k => $v) { |
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229 | if (is_integer($k)) $arr[$k] = $v; |
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230 | else { |
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231 | if ($lowercase) |
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232 | $arr[strtolower($k)] = $v; |
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233 | else |
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234 | $arr[strtoupper($k)] = $v; |
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235 | } |
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236 | } |
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237 | $this->fields = $arr; |
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238 | } |
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239 | |
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240 | function MoveNext() |
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241 | { |
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242 | if (!$this->EOF) { |
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243 | $this->_currentRow++; |
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244 | if ($this->_numOfRows < 0 || $this->_numOfRows > $this->_currentRow) { |
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245 | $this->fields = @pg_fetch_array($this->_queryID,$this->_currentRow,$this->fetchMode); |
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246 | |
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247 | if (is_array($this->fields)) { |
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248 | if ($this->fields) { |
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249 | if (isset($this->_blobArr)) $this->_fixblobs(); |
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250 | |
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251 | $this->_updatefields(); |
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252 | } |
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253 | return true; |
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254 | } |
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255 | } |
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256 | |
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257 | |
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258 | $this->fields = false; |
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259 | $this->EOF = true; |
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260 | } |
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261 | return false; |
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262 | } |
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263 | } |
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264 | ?> |
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