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add function to check for a lock
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@@ -60,12 +60,12 @@ function dbQuery($sql, $parameters=array()) {
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/*
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* Aquire a lock on a string
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* Check a lock on a string
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* */
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function dbGetLock($data, $timeout = 0) {
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$sql = 'SELECT GET_LOCK(\'' . $data . '\',' . $timeout . ')';
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$result = dbFetchCell($sql);
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return $result;
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function dbCheckLock($data, $timeout = 0) {
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$sql = 'SELECT IS_FREE_LOCK(\'' . $data . '\')';
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$result = dbFetchCell($sql);
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return $result;
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}
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@@ -76,8 +76,9 @@ function dbReleaseLock($data, $timeout = 0) {
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$sql = 'SELECT RELEASE_LOCK(\'' . $data . '\')';
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$result = dbFetchCell($sql);
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return $result;
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}
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/*
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* Passed an array and a table name, it attempts to insert the data into the table.
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* Check for boolean false to determine whether insert failed
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@@ -60,12 +60,12 @@ function dbQuery($sql, $parameters=array()) {
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/*
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* Aquire a lock on a string
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* Check a lock on a string
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* */
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function dbGetLock($data, $timeout = 0) {
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$sql = 'SELECT GET_LOCK(\'' . $data . '\',' . $timeout . ')';
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$result = dbFetchCell($sql);
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return $result;
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function dbCheckLock($data, $timeout = 0) {
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$sql = 'SELECT IS_FREE_LOCK(\'' . $data . '\')';
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$result = dbFetchCell($sql);
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return $result;
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}
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@@ -76,6 +76,7 @@ function dbReleaseLock($data, $timeout = 0) {
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$sql = 'SELECT RELEASE_LOCK(\'' . $data . '\')';
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$result = dbFetchCell($sql);
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return $result;
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}
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/*
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