Question about Generating Possible Plans by the planner/optimizer - Mailing list pgsql-performance

in the docummentation about the planer it says:

"It first combines all possible ways of scanning and joining the relations
that appear in a query"

I would like to know if there's a time limit to do that or if it just scans
ALL the posibilities until it finishes..no matter the time it takes..


thanks in advance.

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