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how to determine clause for new keyword, how to add new clause in gram.y - Mailing list pgsql-hackers

From Pankaj Bagul
Subject how to determine clause for new keyword, how to add new clause in gram.y
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Msg-id CAGxf92-sWzcxfCtmzqz3OZXDj4iK2AdfepzAt2V4bu+K5RgzBA@mail.gmail.com
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Please tell me, if want to add 'selectivity' keyword, which clause will it categorize ? 
Can you please tell me in detail, how should i modify gram.y, as I am new to parser writing ? and use it thereafter.

Thank you.


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Pankaj A. Bagul

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