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Huang Zhw authored
when SELECT fails, we should reset dbnum to 0, so the prompt will not display incorrectly. Additionally when SELECT and HELLO fail, we output message to inform it. Add config.input_dbnum which means the dbnum about to select. And config.dbnum means currently selected dbnum. When users succeed to select db, config.dbnum and config.input_dbnum will be the same. When users select db failed, config.input_dbnum will be kept. Next time if users auth success, config.input_dbnum will be automatically selected. When reconnect, we should select the origin dbnum. Co-authored-by:Oran Agra <oran@redislabs.com>
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