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mirror of https://github.com/postgres/postgres.git synced 2025-08-12 15:23:02 +03:00

Standard pgindent run for 8.1.

This commit is contained in:
Bruce Momjian
2005-10-15 02:49:52 +00:00
parent 790c01d280
commit 1dc3498251
770 changed files with 34334 additions and 32507 deletions

View File

@@ -25,7 +25,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/prep/prepqual.c,v 1.50 2005/07/29 21:40:02 tgl Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/prep/prepqual.c,v 1.51 2005/10/15 02:49:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -73,10 +73,10 @@ canonicalize_qual(Expr *qual)
return NULL;
/*
* Push down NOTs. We do this only in the top-level boolean
* expression, without examining arguments of operators/functions. The
* main reason for doing this is to expose as much top-level AND/OR
* structure as we can, so there's no point in descending further.
* Push down NOTs. We do this only in the top-level boolean expression,
* without examining arguments of operators/functions. The main reason for
* doing this is to expose as much top-level AND/OR structure as we can,
* so there's no point in descending further.
*/
newqual = find_nots(qual);
@@ -110,12 +110,12 @@ pull_ands(List *andlist)
/*
* Note: we can destructively concat the subexpression's arglist
* because we know the recursive invocation of pull_ands will have
* built a new arglist not shared with any other expr. Otherwise
* we'd need a list_copy here.
* built a new arglist not shared with any other expr. Otherwise we'd
* need a list_copy here.
*/
if (and_clause(subexpr))
out_list = list_concat(out_list,
pull_ands(((BoolExpr *) subexpr)->args));
pull_ands(((BoolExpr *) subexpr)->args));
else
out_list = lappend(out_list, subexpr);
}
@@ -142,12 +142,12 @@ pull_ors(List *orlist)
/*
* Note: we can destructively concat the subexpression's arglist
* because we know the recursive invocation of pull_ors will have
* built a new arglist not shared with any other expr. Otherwise
* we'd need a list_copy here.
* built a new arglist not shared with any other expr. Otherwise we'd
* need a list_copy here.
*/
if (or_clause(subexpr))
out_list = list_concat(out_list,
pull_ors(((BoolExpr *) subexpr)->args));
pull_ors(((BoolExpr *) subexpr)->args));
else
out_list = lappend(out_list, subexpr);
}
@@ -249,8 +249,8 @@ push_nots(Expr *qual)
{
/*
* Another NOT cancels this NOT, so eliminate the NOT and stop
* negating this branch. But search the subexpression for more
* NOTs to simplify.
* negating this branch. But search the subexpression for more NOTs
* to simplify.
*/
return find_nots(get_notclausearg(qual));
}
@@ -307,8 +307,8 @@ find_duplicate_ors(Expr *qual)
orlist = lappend(orlist, find_duplicate_ors(lfirst(temp)));
/*
* Don't need pull_ors() since this routine will never introduce
* an OR where there wasn't one before.
* Don't need pull_ors() since this routine will never introduce an OR
* where there wasn't one before.
*/
return process_duplicate_ors(orlist);
}
@@ -353,10 +353,10 @@ process_duplicate_ors(List *orlist)
return linitial(orlist);
/*
* Choose the shortest AND clause as the reference list --- obviously,
* any subclause not in this clause isn't in all the clauses. If we
* find a clause that's not an AND, we can treat it as a one-element
* AND clause, which necessarily wins as shortest.
* Choose the shortest AND clause as the reference list --- obviously, any
* subclause not in this clause isn't in all the clauses. If we find a
* clause that's not an AND, we can treat it as a one-element AND clause,
* which necessarily wins as shortest.
*/
foreach(temp, orlist)
{
@@ -386,8 +386,8 @@ process_duplicate_ors(List *orlist)
reference = list_union(NIL, reference);
/*
* Check each element of the reference list to see if it's in all the
* OR clauses. Build a new list of winning clauses.
* Check each element of the reference list to see if it's in all the OR
* clauses. Build a new list of winning clauses.
*/
winners = NIL;
foreach(temp, reference)
@@ -431,13 +431,12 @@ process_duplicate_ors(List *orlist)
/*
* Generate new OR list consisting of the remaining sub-clauses.
*
* If any clause degenerates to empty, then we have a situation like (A
* AND B) OR (A), which can be reduced to just A --- that is, the
* additional conditions in other arms of the OR are irrelevant.
* If any clause degenerates to empty, then we have a situation like (A AND
* B) OR (A), which can be reduced to just A --- that is, the additional
* conditions in other arms of the OR are irrelevant.
*
* Note that because we use list_difference, any multiple occurrences of
* a winning clause in an AND sub-clause will be removed
* automatically.
* Note that because we use list_difference, any multiple occurrences of a
* winning clause in an AND sub-clause will be removed automatically.
*/
neworlist = NIL;
foreach(temp, orlist)
@@ -475,10 +474,10 @@ process_duplicate_ors(List *orlist)
}
/*
* Append reduced OR to the winners list, if it's not degenerate,
* handling the special case of one element correctly (can that really
* happen?). Also be careful to maintain AND/OR flatness in case we
* pulled up a sub-sub-OR-clause.
* Append reduced OR to the winners list, if it's not degenerate, handling
* the special case of one element correctly (can that really happen?).
* Also be careful to maintain AND/OR flatness in case we pulled up a
* sub-sub-OR-clause.
*/
if (neworlist != NIL)
{