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Add proofreader's changes to docs.

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Fix misspelling of disbursion to dispersion.
This commit is contained in:
Bruce Momjian
2000-10-05 19:48:34 +00:00
parent 05e3d0ee86
commit b32685a999
62 changed files with 259 additions and 259 deletions
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20
src/backend/optimizer/path/joinpath.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinpath.c,v 1.57 2000/09/29 18:21:32 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinpath.c,v 1.58 2000/10/05 19:48:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -45,7 +45,7 @@ static void hash_inner_and_outer(Query *root, RelOptInfo *joinrel,
List *restrictlist, JoinType jointype);
static Path *best_innerjoin(List *join_paths, List *outer_relid,
JoinType jointype);
static Selectivity estimate_disbursion(Query *root, Var *var);
static Selectivity estimate_dispersion(Query *root, Var *var);
static List *select_mergejoin_clauses(RelOptInfo *joinrel,
RelOptInfo *outerrel,
RelOptInfo *innerrel,
@ -637,7 +637,7 @@ hash_inner_and_outer(Query *root,
*right,
*inner;
List *hashclauses;
Selectivity innerdisbursion;
Selectivity innerdispersion;
if (restrictinfo->hashjoinoperator == InvalidOid)
continue; /* not hashjoinable */
@ -667,8 +667,8 @@ hash_inner_and_outer(Query *root,
/* always a one-element list of hash clauses */
hashclauses = makeList1(restrictinfo);
/* estimate disbursion of inner var for costing purposes */
innerdisbursion = estimate_disbursion(root, inner);
/* estimate dispersion of inner var for costing purposes */
innerdispersion = estimate_dispersion(root, inner);
/*
* We consider both the cheapest-total-cost and
@ -682,7 +682,7 @@ hash_inner_and_outer(Query *root,
innerrel->cheapest_total_path,
restrictlist,
hashclauses,
innerdisbursion));
innerdispersion));
if (outerrel->cheapest_startup_path != outerrel->cheapest_total_path)
add_path(joinrel, (Path *)
create_hashjoin_path(joinrel,
@ -691,7 +691,7 @@ hash_inner_and_outer(Query *root,
innerrel->cheapest_total_path,
restrictlist,
hashclauses,
innerdisbursion));
innerdispersion));
}
}
@ -759,7 +759,7 @@ best_innerjoin(List *join_paths, Relids outer_relids, JoinType jointype)
}
/*
* Estimate disbursion of the specified Var
* Estimate dispersion of the specified Var
*
* We use a default of 0.1 if we can't figure out anything better.
* This will typically discourage use of a hash rather strongly,
@ -768,7 +768,7 @@ best_innerjoin(List *join_paths, Relids outer_relids, JoinType jointype)
* seem much worse).
*/
static Selectivity
estimate_disbursion(Query *root, Var *var)
estimate_dispersion(Query *root, Var *var)
{
Oid relid;
@ -780,7 +780,7 @@ estimate_disbursion(Query *root, Var *var)
if (relid == InvalidOid)
return 0.1;
return (Selectivity) get_attdisbursion(relid, var->varattno, 0.1);
return (Selectivity) get_attdispersion(relid, var->varattno, 0.1);
}
/*