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-rw-r--r--storage/mozIStorageAsyncConnection.idl6
1 files changed, 5 insertions, 1 deletions
diff --git a/storage/mozIStorageAsyncConnection.idl b/storage/mozIStorageAsyncConnection.idl
index 3105750773..767f5232d0 100644
--- a/storage/mozIStorageAsyncConnection.idl
+++ b/storage/mozIStorageAsyncConnection.idl
@@ -70,8 +70,12 @@ interface mozIStorageAsyncConnection : nsISupports {
*
* If you bind more params than this limit, `create{Async}Statement` will
* fail with a "too many SQL variables" error.
+ * It's possible to lower the limit, but it's not possible to set it higher
+ * than the default value, passing an higher value will silently truncate to
+ * the default. Lowering the limit is particularly useful for testing code
+ * that may bind many variables.
*/
- readonly attribute int32_t variableLimit;
+ attribute int32_t variableLimit;
/**
* Returns true if a transaction is active on this connection.