first commit

app/utils/query_may_write.js

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+'use strict';
+
+var sqlQueryMayWriteRegex = new RegExp("\\b(alter|insert|update|delete|create|drop|reindex|truncate|refresh)\\b", "i");
+
+/**
+ * This is a fuzzy check, the return could be true even if the query doesn't really write anything. But you can be
+ * pretty sure of a false return.
+ *
+ * @param sql The SQL statement to check against
+ * @returns {boolean} Return true of the given query may write to the database
+ */
+module.exports = function queryMayWrite(sql) {
+    return sqlQueryMayWriteRegex.test(sql);
+};