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keep key_statistics/3 for compatibility with previous version.

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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@947 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
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vsc 2003-12-04 18:11:53 +00:00
parent 1aa1610e83
commit 1516c032e9
2 changed files with 19 additions and 6 deletions
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21
docs/yap.tex
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@ -5045,13 +5045,22 @@ Defines the relation: @var{K} is a currently defined database key whose
name is the atom @var{A}. It can be used to generate all the keys for
the internal data-base.
@item key_statistics(+@var{K},-@var{Entries},-@var{Size})
@findex key_properties/3
@snindex key_properties/3
@cnindex key_properties/3
@item key_statistics(+@var{K},-@var{Entries},-@var{Size},-@var{IndexSize})
@findex key_statistics/4
@snindex key_statistics/4
@cnindex key_statistics/4
Returns several statistics for a key @var{K}. Currently, it says how
many entries we have for that key, @var{Entries}, and what is the
total size spent on the key, @var{Size}.
many entries we have for that key, @var{Entries}, what is the
total size spent on entries, @var{Size}, and what is the amount of
space spent in indices.
@item key_statistics(+@var{K},-@var{Entries},-@var{TotalSize})
@findex key_statistics/3
@snindex key_statistics/3
@cnindex key_statistics/3
Returns several statistics for a key @var{K}. Currently, it says how
many entries we have for that key, @var{Entries}, what is the
total size spent on this key.
@item get_value(+@var{A},-@var{V})
@findex get_value/2

4
pl/utils.yap
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@ -478,7 +478,11 @@ statistics(stack_shifts,[NOfHO,NOfSO,NOfTO]) :-
'$inform_stack_overflows'(NOfSO,_),
'$inform_trail_overflows'(NOfTO,_).
key_statistics(Key, NOfEntries, TotalSize) :-
key_statistics(Key, NOfEntries, ClSize, IndxSize),
TotalSize is ClSize+IndxSize.
%%% The unknown predicate,
% informs about what the user wants to be done when
% there are no clauses for a certain predicate */