Dear All,
I am new to MySQL codebase and its development. I am unable to find where the SUM()
aggregation operation of SELECT implemented. I mean, in which file in sql folder of the
codebase, can I see the implementation of SUM().
The SUM() I mean, i.e., as in : SELECT SUM(salary) from salaries;
I am studying this :
http://forge.mysql.com/wiki/Overview_of_query_execution_and_use_of_temp_tables
However, I dint find mysql_parse() in the sql_select.cc. Am I understanding anything
wrong? I donno.
Any guidance or reference is a lot of help.
Regards,
Karthik G
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