diff options
Diffstat (limited to 'doc/src/sgml/ref/alter_table.sgml')
| -rw-r--r-- | doc/src/sgml/ref/alter_table.sgml | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml index 833753aedeb..717a4c47f39 100644 --- a/doc/src/sgml/ref/alter_table.sgml +++ b/doc/src/sgml/ref/alter_table.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/ref/alter_table.sgml,v 1.115 2010/06/24 14:57:21 momjian Exp $ +$PostgreSQL: pgsql/doc/src/sgml/ref/alter_table.sgml,v 1.116 2010/09/16 18:15:21 tgl Exp $ PostgreSQL documentation --> @@ -163,14 +163,14 @@ ALTER TABLE <replaceable class="PARAMETER">name</replaceable> <term><literal>RESET ( <replaceable class="PARAMETER">attribute_option</replaceable> [, ... ] )</literal></term> <listitem> <para> - This form sets or resets attribute-level options. Currently, the only - define attribute-level options are <literal>n_distinct</> and + This form sets or resets per-attribute options. Currently, the only + defined per-attribute options are <literal>n_distinct</> and <literal>n_distinct_inherited</>, which override the - number-of-distinct-values estimate made by subsequent + number-of-distinct-values estimates made by subsequent <xref linkend="sql-analyze"> operations. <literal>n_distinct</> affects the statistics for the table itself, while <literal>n_distinct_inherited</> affects the statistics - gathered for the table and its inheritance children. When set to a + gathered for the table plus its inheritance children. When set to a positive value, <command>ANALYZE</> will assume that the column contains exactly the specified number of distinct nonnull values. When set to a negative value, which must be greater |