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