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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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12
src/backend/commands/analyze.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.6 2000/09/06 14:15:16 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.7 2000/10/05 19:48:22 momjian Exp $
*
*-------------------------------------------------------------------------
@@ -439,13 +439,13 @@ update_attstats(Oid relid, int natts, VacAttrStats *vacattrstats)
float4 selratio; /* average ratio of rows selected
* for a random constant */
/* Compute disbursion */
/* Compute dispersion */
if (stats->nonnull_cnt == 0 && stats->null_cnt == 0)
{
/*
* empty relation, so put a dummy value in
* attdisbursion
* attdispersion
*/
selratio = 0;
}
@@ -455,9 +455,9 @@ update_attstats(Oid relid, int natts, VacAttrStats *vacattrstats)
* looks like we have a unique-key attribute --- flag
* this with special -1.0 flag value.
*
* The correct disbursion is 1.0/numberOfRows, but since
* The correct dispersion is 1.0/numberOfRows, but since
* the relation row count can get updated without
* recomputing disbursion, we want to store a
* recomputing dispersion, we want to store a
* "symbolic" value and figure 1.0/numberOfRows on the
* fly.
*/
@@ -499,7 +499,7 @@ update_attstats(Oid relid, int natts, VacAttrStats *vacattrstats)
}
/* overwrite the existing statistics in the tuple */
attp->attdisbursion = selratio;
attp->attdispersion = selratio;
/* invalidate the tuple in the cache and write the buffer */
RelationInvalidateHeapTuple(ad, atup);

4
src/backend/commands/command.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.104 2000/09/29 18:21:26 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.105 2000/10/05 19:48:22 momjian Exp $
*
* NOTES
* The PerformAddAttribute() code, like most of the relation
@@ -459,7 +459,7 @@ AlterTableAddColumn(const char *relationName,
namestrcpy(&(attribute->attname), colDef->colname);
attribute->atttypid = typeTuple->t_data->t_oid;
attribute->attlen = tform->typlen;
attribute->attdisbursion = 0;
attribute->attdispersion = 0;
attribute->attcacheoff = -1;
attribute->atttypmod = colDef->typename->typmod;
attribute->attnum = i;

8
src/backend/commands/vacuum.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.166 2000/09/19 19:30:03 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.167 2000/10/05 19:48:22 momjian Exp $
*
*-------------------------------------------------------------------------
@@ -2124,10 +2124,10 @@ tid_reaped(ItemPointer itemptr, VacPageList vacpagelist)
*
* Statistics are stored in several places: the pg_class row for the
* relation has stats about the whole relation, the pg_attribute rows
* for each attribute store "disbursion", and there is a pg_statistic
* row for each (non-system) attribute. (Disbursion probably ought to
* for each attribute store "dispersion", and there is a pg_statistic
* row for each (non-system) attribute. (Dispersion probably ought to
* be moved to pg_statistic, but it's not worth doing unless there's
* another reason to have to change pg_attribute.) Disbursion and
* another reason to have to change pg_attribute.) Dispersion and
* pg_statistic values are only updated by VACUUM ANALYZE, but we
* always update the stats in pg_class.
*