Skip to content
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion doc/src/sgml/release-16.sgml
Original file line number Diff line number Diff line change
Expand Up @@ -13631,7 +13631,7 @@ Author: Michael Paquier <michael@paquier.xyz>

<para>
Backend support for this authentication method was removed in
<productname>PostgresSQL</productname> 9.1.
<productname>PostgreSQL</productname> 9.1.
</para>
</listitem>

Expand Down
14 changes: 7 additions & 7 deletions doc/src/sgml/rules.sgml
Original file line number Diff line number Diff line change
Expand Up @@ -1151,7 +1151,7 @@ CREATE <emphasis>INCREMENTAL</emphasis> MATERIALIZED VIEW mymatview AS SELECT *
<programlisting>
postgres=# CREATE INCREMENTAL MATERIALIZED VIEW m AS SELECT * FROM t0;
NOTICE: could not create an index on materialized view "m" automatically
HINT: Create an index on the materialized view for effcient incremental maintenance.
HINT: Create an index on the materialized view for efficient incremental maintenance.
SELECT 3
postgres=# SELECT * FROM m;
i
Expand Down Expand Up @@ -1253,14 +1253,14 @@ Time: 13.068 ms
automatically if possible. If the view definition query has a GROUP BY clause, a unique
index is created on the columns of GROUP BY expressions. Also, if the view has DISTINCT
clause, a unique index is created on all columns in the target list. Otherwise, if the
view contains all primary key attritubes of its base tables in the target list, a unique
index is created on these attritubes. In other cases, no index is created.
view contains all primary key attributes of its base tables in the target list, a unique
index is created on these attributes. In other cases, no index is created.
</para>

<para>
In the previous example, a unique index "mv_ivm_index" is created on aid and bid
columns of materialized view "mv_ivm", and this enables the rapid update of the view.
Dropping this index make updating the view take a loger time.
Dropping this index makes updating the view take a longer time.
<programlisting>
test=# DROP INDEX mv_ivm_index;
DROP INDEX
Expand Down Expand Up @@ -1409,7 +1409,7 @@ Time: 16386.245 ms (00:16.386)

<listitem>
<para>
UNION/INTERSECT/EXCEPT clauses cannnot be used.
UNION/INTERSECT/EXCEPT clauses cannot be used.
</para>
</listitem>

Expand All @@ -1427,13 +1427,13 @@ Time: 16386.245 ms (00:16.386)

<listitem>
<para>
inheritance parent tables cannnot be used.
inheritance parent tables cannot be used.
</para>
</listitem>

<listitem>
<para>
VALUES clause cannnot be used.
VALUES clause cannot be used.
</para>
</listitem>

Expand Down
Loading