I have a table of type MyISAM that is reporting 47 million rows when I do a SELECT COUNT(*). When I convert this table to InnoDB, running a SELECT COUNT(*) returns only 19 million rows. The conversion confirms 19 million rows were inserted and reports no warnings or duplicates.
I have done the conversion to InnoDB using the following ways 1. by dumping all the data in a text file and loading it. 2. by using ALTER TABLE Why is the record count so low after conversion to InnoDB? Who should I believe: InnoDB or MyISAM? Any ideas as to what can be done to avoid loss of this many rows? I will be posting output from my latest conversion attempt in some time. --Frank
