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Diffstat (limited to 'framework/3rdParty/adodb/drivers/adodb-sqlanywhere.inc.php')
| -rw-r--r-- | framework/3rdParty/adodb/drivers/adodb-sqlanywhere.inc.php | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/framework/3rdParty/adodb/drivers/adodb-sqlanywhere.inc.php b/framework/3rdParty/adodb/drivers/adodb-sqlanywhere.inc.php new file mode 100644 index 00000000..cd023cc9 --- /dev/null +++ b/framework/3rdParty/adodb/drivers/adodb-sqlanywhere.inc.php @@ -0,0 +1,169 @@ +<?php +/* +version V4.81 3 May 2006 (c) 2000-2006 John Lim (jlim#natsoft.com.my). All rights +reserved. + Released under both BSD license and Lesser GPL library license. + Whenever there is any discrepancy between the two licenses, + the BSD license will take precedence. +Set tabs to 4 for best viewing. + + Latest version is available at http://adodb.sourceforge.net + + 21.02.2002 - Wade Johnson wade@wadejohnson.de + Extended ODBC class for Sybase SQLAnywhere. + 1) Added support to retrieve the last row insert ID on tables with + primary key column using autoincrement function. + + 2) Added blob support. Usage: + a) create blob variable on db server: + + $dbconn->create_blobvar($blobVarName); + + b) load blob var from file. $filename must be complete path + + $dbcon->load_blobvar_from_file($blobVarName, $filename); + + c) Use the $blobVarName in SQL insert or update statement in the values + clause: + + $recordSet = $dbconn->Execute('INSERT INTO tabname (idcol, blobcol) ' + . + 'VALUES (\'test\', ' . $blobVarName . ')'); + + instead of loading blob from a file, you can also load from + an unformatted (raw) blob variable: + $dbcon->load_blobvar_from_var($blobVarName, $varName); + + d) drop blob variable on db server to free up resources: + $dbconn->drop_blobvar($blobVarName); + + Sybase_SQLAnywhere data driver. Requires ODBC. + +*/ + +// security - hide paths +if (!defined('ADODB_DIR')) die(); + +if (!defined('_ADODB_ODBC_LAYER')) { + include(ADODB_DIR."/drivers/adodb-odbc.inc.php"); +} + +if (!defined('ADODB_SYBASE_SQLANYWHERE')){ + + define('ADODB_SYBASE_SQLANYWHERE',1); + + class ADODB_sqlanywhere extends ADODB_odbc { + var $databaseType = "sqlanywhere"; + var $hasInsertID = true; + + function ADODB_sqlanywhere() + { + $this->ADODB_odbc(); + } + + function _insertid() { + return $this->GetOne('select @@identity'); + } + + function create_blobvar($blobVarName) { + $this->Execute("create variable $blobVarName long binary"); + return; + } + + function drop_blobvar($blobVarName) { + $this->Execute("drop variable $blobVarName"); + return; + } + + function load_blobvar_from_file($blobVarName, $filename) { + $chunk_size = 1000; + + $fd = fopen ($filename, "rb"); + + $integer_chunks = (integer)filesize($filename) / $chunk_size; + $modulus = filesize($filename) % $chunk_size; + if ($modulus != 0){ + $integer_chunks += 1; + } + + for($loop=1;$loop<=$integer_chunks;$loop++){ + $contents = fread ($fd, $chunk_size); + $contents = bin2hex($contents); + + $hexstring = ''; + + for($loop2=0;$loop2<strlen($contents);$loop2+=2){ + $hexstring .= '\x' . substr($contents,$loop2,2); + } + + $hexstring = $this->qstr($hexstring); + + $this->Execute("set $blobVarName = $blobVarName || " . $hexstring); + } + + fclose ($fd); + return; + } + + function load_blobvar_from_var($blobVarName, &$varName) { + $chunk_size = 1000; + + $integer_chunks = (integer)strlen($varName) / $chunk_size; + $modulus = strlen($varName) % $chunk_size; + if ($modulus != 0){ + $integer_chunks += 1; + } + + for($loop=1;$loop<=$integer_chunks;$loop++){ + $contents = substr ($varName, (($loop - 1) * $chunk_size), $chunk_size); + $contents = bin2hex($contents); + + $hexstring = ''; + + for($loop2=0;$loop2<strlen($contents);$loop2+=2){ + $hexstring .= '\x' . substr($contents,$loop2,2); + } + + $hexstring = $this->qstr($hexstring); + + $this->Execute("set $blobVarName = $blobVarName || " . $hexstring); + } + + return; + } + + /* + Insert a null into the blob field of the table first. + Then use UpdateBlob to store the blob. + + Usage: + + $conn->Execute('INSERT INTO blobtable (id, blobcol) VALUES (1, null)'); + $conn->UpdateBlob('blobtable','blobcol',$blob,'id=1'); + */ + function UpdateBlob($table,$column,&$val,$where,$blobtype='BLOB') + { + $blobVarName = 'hold_blob'; + $this->create_blobvar($blobVarName); + $this->load_blobvar_from_var($blobVarName, $val); + $this->Execute("UPDATE $table SET $column=$blobVarName WHERE $where"); + $this->drop_blobvar($blobVarName); + return true; + } + }; //class + + class ADORecordSet_sqlanywhere extends ADORecordSet_odbc { + + var $databaseType = "sqlanywhere"; + + function ADORecordSet_sqlanywhere($id,$mode=false) + { + $this->ADORecordSet_odbc($id,$mode); + } + + + }; //class + + +} //define +?> |