Hi, sriram!

On Mar 19, sriram patil wrote:
> Hi Sergei,
> 
> I studied lex and yacc and understood complete parser written in
> sql_yacc.yy. Also went through the constants and symbols declared in lex.h,
> sql_yacc.h, sql_cmd.h.

Right

> I found out that OR REPLACE and IF NOT EXISTS is already implemented for
> tables. The IF NOT EXISTS rule is also defined for index in yacc file but
> not handled in the execution code. And for other object types we need to
> add the rules in yacc files and also need to change the code in
> "mysql_create_<object_type>" functions in respective files.

Right

> The OR REPLACE and IF NOT EXISTS are handled in the create execution
> itself. I found two flags in LEX class which are used for the purpose,
> create_info.options and check_exists.
> 
> So, are all the things that I have compiled correct?

Yes

> I have an initial draft of my proposal ready. I will upload it on the GSOC
> portal today, please review. Should I also email the same to you?

No, please don't. I get an email automatically for every new proposal.

Regards,
Sergei

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