While playing with the init code I noticed traces of Hellerstein's
"expensive function optimization". It is completely disabled, uses
functions nowhere to be defined, and is out of date. So I removed it.
Here is the patch. Note that it takes out the "pruneable" field from
struct RelOptInfo, since it's not used.
Tom Lane has said a couple of times that he thinks this maybe can be
resurrected; but even if it is, most likely it won't use this code
(what code? These are only hooks.)
(To the patcher: the file src/backend/lib/lispsort.c can also be removed
after this change)
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"Hoy es el primer día del resto de mi vida"
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