How do you people look at various trees and lists when debugging them ?
1. use functions from nodes/print.c to print out tree snapshots
2. run the backend under visual debugger (like DDD) and look at things
3. memorize everything in binary and work on raw memory image from
4. use some other method
I am currently working on understanding enough of the parse/plan/execute
process to make up a good plan for implementing WITH RECURSIVE ...
and perhaps GROUP BY ROLLUP(a,b,c) from SQL99 spec and I'm not
as fast as I'd like ;-p
Also could anyone recommend any tools for debugging gram.y or is this
done mostly by hand even for large grammars ?
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