diff options
Diffstat (limited to 'drivers/adodb-mssql_n.inc.php')
| -rw-r--r-- | drivers/adodb-mssql_n.inc.php | 58 |
1 files changed, 27 insertions, 31 deletions
diff --git a/drivers/adodb-mssql_n.inc.php b/drivers/adodb-mssql_n.inc.php index 2bbac5b2..d1768571 100644 --- a/drivers/adodb-mssql_n.inc.php +++ b/drivers/adodb-mssql_n.inc.php @@ -65,12 +65,12 @@ class ADODB_mssql_n extends ADODB_mssql { * and ODBTP) keeping SQL compatibility at ADOdb level (instead of hacking every project to add * the "N" notation when working against MSSQL. * - * The orginal note indicated that this hack should only be used if ALL the char-based columns + * The orginal note indicated that this hack should only be used if ALL the char-based columns * in your DB are of type nchar, nvarchar and ntext, but testing seems to indicate that SQL server * doesn't seem to care if the statement is used against char etc fields. * * @todo This function should raise an ADOdb error if one of the transformations fail - * + * * @param mixed $inboundData Either a string containing an SQL statement * or an array with resources from prepared statements * @@ -79,22 +79,22 @@ class ADODB_mssql_n extends ADODB_mssql { function _appendN($inboundData) { $inboundIsArray = false; - + if (is_array($inboundData)) { $inboundIsArray = true; $inboundArray = $inboundData; } else $inboundArray = (array)$inboundData; - + /* * All changes will be placed here */ $outboundArray = $inboundArray; - + foreach($inboundArray as $inboundKey=>$inboundValue) { - + if (is_resource($inboundValue)) { /* @@ -105,7 +105,7 @@ class ADODB_mssql_n extends ADODB_mssql { continue; } - + if (strpos($inboundValue, SINGLEQUOTE) === false) { /* @@ -120,11 +120,11 @@ class ADODB_mssql_n extends ADODB_mssql { * Check we haven't an odd number of single quotes (this can cause problems below * and should be considered one wrong SQL). Exit with debug info. */ - if ((substr_count($inboundValue, SINGLEQUOTE) & 1)) + if ((substr_count($inboundValue, SINGLEQUOTE) & 1)) { if ($this->debug) ADOConnection::outp("{$this->databaseType} internal transformation: not converted. Wrong number of quotes (odd)"); - + break; } @@ -135,9 +135,9 @@ class ADODB_mssql_n extends ADODB_mssql { $regexp = '/(\\\\' . SINGLEQUOTE . '[^' . SINGLEQUOTE . '])/'; if (preg_match($regexp, $inboundValue)) { - if ($this->debug) + if ($this->debug) ADOConnection::outp("{$this->databaseType} internal transformation: not converted. Found bad use of backslash + single quote"); - + break; } @@ -147,16 +147,16 @@ class ADODB_mssql_n extends ADODB_mssql { $pairs = array(); $regexp = '/(' . SINGLEQUOTE . SINGLEQUOTE . ')/'; preg_match_all($regexp, $inboundValue, $list_of_pairs); - + if ($list_of_pairs) { foreach (array_unique($list_of_pairs[0]) as $key=>$value) $pairs['<@#@#@PAIR-'.$key.'@#@#@>'] = $value; - - + + if (!empty($pairs)) $inboundValue = str_replace($pairs, array_keys($pairs), $inboundValue); - + } /* @@ -165,13 +165,13 @@ class ADODB_mssql_n extends ADODB_mssql { $literals = array(); $regexp = '/(N?' . SINGLEQUOTE . '.*?' . SINGLEQUOTE . ')/is'; preg_match_all($regexp, $inboundValue, $list_of_literals); - + if ($list_of_literals) { foreach (array_unique($list_of_literals[0]) as $key=>$value) $literals['<#@#@#LITERAL-'.$key.'#@#@#>'] = $value; - - + + if (!empty($literals)) $inboundValue = str_replace($literals, array_keys($literals), $inboundValue); } @@ -184,11 +184,11 @@ class ADODB_mssql_n extends ADODB_mssql { foreach ($literals as $key=>$value) { if (!is_numeric(trim($value, SINGLEQUOTE))) /* - * Non numeric string, prepend our dear N, whilst + * Non numeric string, prepend our dear N, whilst * Trimming potentially existing previous "N" */ - $literals[$key] = 'N' . trim($value, 'N'); - + $literals[$key] = 'N' . trim($value, 'N'); + } } @@ -197,7 +197,7 @@ class ADODB_mssql_n extends ADODB_mssql { */ if (!empty($literals)) $inboundValue = str_replace(array_keys($literals), $literals, $inboundValue); - + /* * Any pairs followed by N' must be switched to N' followed by those pairs @@ -210,40 +210,36 @@ class ADODB_mssql_n extends ADODB_mssql { */ if (!empty($pairs)) $inboundValue = str_replace(array_keys($pairs), $pairs, $inboundValue); - + /* * Print transformation if debug = on */ if (strcmp($inboundValue,$inboundArray[$inboundKey]) <> 0 && $this->debug) ADOConnection::outp("{$this->databaseType} internal transformation: {$inboundArray[$inboundKey]} to {$inboundValue}"); - + if (strcmp($inboundValue,$inboundArray[$inboundKey]) <> 0) /* * Place the transformed value into the outbound array */ $outboundArray[$inboundKey] = $inboundValue; } - + /* * Any transformations are in the $outboundArray */ if ($inboundIsArray) return $outboundArray; - + /* * We passed a string in originally */ return $outboundArray[0]; - + } } class ADORecordset_mssql_n extends ADORecordset_mssql { var $databaseType = "mssql_n"; - function __construct($id,$mode=false) - { - parent::__construct($id,$mode); - } } |
