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API CHANGE Re-enabled transaction support in MSSQLDatabase transaction methods. TransactionTest appears to pass on sqlsrv and mssql now

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This commit is contained in:
Sean Harvey 2010-10-02 03:36:04 +00:00
parent e8ba221024
commit d2082107b5
1 changed files with 9 additions and 27 deletions
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36
code/MSSQLDatabase.php
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@ -84,7 +84,7 @@ class MSSQLDatabase extends SS_Database {
* - figure out SAVEPOINTS
* - READ ONLY transactions
*/
protected $supportsTransactions = false;
protected $supportsTransactions = true;
/**
* Cached flag to determine if full-text is enabled. This is set by
@ -1361,14 +1361,14 @@ class MSSQLDatabase extends SS_Database {
return $goodKeywords;
}
/*
/**
* Does this database support transactions?
*/
public function supportsTransactions(){
return $this->supportsTransactions;
}
/*
/**
* This is a quick lookup to discover if the database supports particular extensions
* Currently, MSSQL supports no extensions
*/
@ -1383,7 +1383,7 @@ class MSSQLDatabase extends SS_Database {
return false;
}
/*
/**
* Start transaction. READ ONLY not supported.
*/
public function startTransaction($transaction_mode=false, $session_characteristics=false){
@ -1395,39 +1395,21 @@ class MSSQLDatabase extends SS_Database {
}
}
/*
/**
* Create a savepoint that you can jump back to if you encounter problems
*/
public function transactionSavepoint($savepoint){
// The savepoints seem to work on FreeTDS, but throw error anyway to avoid
// nasty surprises upon deployment from LAMP to Windows.
$this->databaseError("Savepoints currently not supported.", E_USER_ERROR);
return;
if($this->mssql) {
DB::query("SAVE TRANSACTION \"$savepoint\"");
} else {
$this->databaseError("Savepoints currently not supported.", E_USER_ERROR);
}
DB::query("SAVE TRANSACTION \"$savepoint\"");
}
/*
/**
* Rollback or revert to a savepoint if your queries encounter problems
* If you encounter a problem at any point during a transaction, you may
* need to rollback that particular query, or return to a savepoint
*/
public function transactionRollback($savepoint=false){
if($savepoint) {
// The savepoints seem to work on FreeTDS, but throw error anyway to avoid
// nasty surprises upon deployment from LAMP to Windows.
$this->databaseError("Savepoints currently not supported.", E_USER_ERROR);
return;
if($this->mssql) {
DB::query("ROLLBACK TRANSACTION \"$savepoint\"");
} else {
$this->databaseError("Savepoints currently not supported.", E_USER_ERROR);
}
DB::query("ROLLBACK TRANSACTION \"$savepoint\"");
} else {
if($this->mssql) {
DB::query('ROLLBACK TRANSACTION');
@ -1438,7 +1420,7 @@ class MSSQLDatabase extends SS_Database {
}
}
/*
/**
* Commit everything inside this transaction so far
*/
public function endTransaction(){