In this case, the procedure exits immediately and returns a failing status to the caller.
在这种情况下，过程会立即退出并向调用者返回一个错误状态。
In the latter case, the procedure returns a successful execution status to the caller.
对于后一种情况，过程向调用者返回一个成功的执行状态。
The caller must perform COMMIT after calling this procedure to save the explain information.
调用者必须在调用这个过程后执行COMMIT来保存explain信息。
The caller must perform COMMIT after calling this procedure to save the explain information.
调用者必须在调用这个过程后执行COMMIT来保存explain信息。
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