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Deprecate 'current' for date/time input.

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Fix up references to "PostgreSQL" rather than "Postgres". Was roughly
 evenly split between the two before. ref/ files not yet done.
This commit is contained in:
Thomas G. Lockhart
2001-11-21 05:53:41 +00:00
parent eec9511f0a
commit 2475e87481
50 changed files with 2644 additions and 2172 deletions
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10
doc/src/sgml/queries.sgml
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@@ -1,4 +1,4 @@
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/queries.sgml,v 1.12 2001/11/19 03:58:24 tgl Exp $ -->
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/queries.sgml,v 1.13 2001/11/21 05:53:41 thomas Exp $ -->
<chapter id="queries">
<title>Queries</title>
@@ -342,7 +342,7 @@ FROM <replaceable>table_reference</replaceable> AS <replaceable>alias</replaceab
SELECT * FROM my_table AS m WHERE my_table.a > 5;
</programlisting>
is not valid SQL syntax. What will actually happen (this is a
<productname>Postgres</productname> extension to the standard)
<productname>PostgreSQL</productname> extension to the standard)
is that an implicit
table reference is added to the FROM clause, so the query is
processed as if it were written as
@@ -586,7 +586,7 @@ SELECT pid, p.name, (sum(s.units) * p.price) AS sales
<para>
In strict SQL, GROUP BY can only group by columns of the source
table but Postgres extends this to also allow GROUP BY to group by
table but <productname>PostgreSQL</productname> extends this to also allow GROUP BY to group by
select columns in the query select list. Grouping by value
expressions instead of simple column names is also allowed.
</para>
@@ -598,7 +598,7 @@ SELECT <replaceable>select_list</replaceable> FROM ... <optional>WHERE ...</opti
If a table has been grouped using a GROUP BY clause, but then only
certain groups are of interest, the HAVING clause can be used,
much like a WHERE clause, to eliminate groups from a grouped
table. Postgres allows a HAVING clause to be
table. <productname>PostgreSQL</productname> allows a HAVING clause to be
used without a GROUP BY, in which case it acts like another WHERE
clause, but the point in using HAVING that way is not clear. A good
rule of thumb is that a HAVING condition should refer to the results
@@ -865,7 +865,7 @@ SELECT a, sum(b) FROM table1 GROUP BY a ORDER BY 1;
</para>
<para>
As an extension to the SQL standard, Postgres also allows ordering
As an extension to the SQL standard, <productname>PostgreSQL</productname> also allows ordering
by arbitrary expressions:
<programlisting>
SELECT a, b FROM table1 ORDER BY a + b;