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a few nested transaction cleanups

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functionality for committing/rolling back all active transactions
This commit is contained in:
Sergey Tsalkov
2012-09-18 20:54:39 -07:00
parent 24c1b930df
commit 9a41bf34a1
3 changed files with 40 additions and 9 deletions
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14
db.class.php
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@@ -215,14 +215,16 @@ class MeekroDB {
if (!$this->nested_transactions || $this->nested_transactions_count == 0) {
$this->queryNull('START TRANSACTION');
$this->nested_transactions_count = 1;
} else {
$this->queryNull("SAVEPOINT LEVEL{$this->nested_transactions_count}");
$this->nested_transactions_count++;
}
if ($this->nested_transactions) return ++$this->nested_transactions_count;
return $this->nested_transactions_count;
}
public function commit() {
public function commit($all=false) {
if ($this->nested_transactions && $this->serverVersion() < '5.5') {
return $this->nonSQLError("Nested transactions are only available on MySQL 5.5 and greater. You are using MySQL " . $this->serverVersion());
}
@@ -230,7 +232,8 @@ class MeekroDB {
if ($this->nested_transactions && $this->nested_transactions_count > 0)
$this->nested_transactions_count--;
if (!$this->nested_transactions || $this->nested_transactions_count == 0) {
if (!$this->nested_transactions || $all || $this->nested_transactions_count == 0) {
$this->nested_transactions_count = 0;
$this->queryNull('COMMIT');
} else {
$this->queryNull("RELEASE SAVEPOINT LEVEL{$this->nested_transactions_count}");
@@ -239,7 +242,7 @@ class MeekroDB {
return $this->nested_transactions_count;
}
public function rollback() {
public function rollback($all=false) {
if ($this->nested_transactions && $this->serverVersion() < '5.5') {
return $this->nonSQLError("Nested transactions are only available on MySQL 5.5 and greater. You are using MySQL " . $this->serverVersion());
}
@@ -247,7 +250,8 @@ class MeekroDB {
if ($this->nested_transactions && $this->nested_transactions_count > 0)
$this->nested_transactions_count--;
if (!$this->nested_transactions || $this->nested_transactions_count == 0) {
if (!$this->nested_transactions || $all || $this->nested_transactions_count == 0) {
$this->nested_transactions_count = 0;
$this->queryNull('ROLLBACK');
} else {
$this->queryNull("ROLLBACK TO SAVEPOINT LEVEL{$this->nested_transactions_count}");