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mirror of https://github.com/postgres/postgres.git synced 2025-08-31 17:02:12 +03:00

Big editing for consistent content and presentation.

This commit is contained in:
Peter Eisentraut
2003-03-13 01:30:29 +00:00
parent 31e69ccb21
commit 706a32cdf6
24 changed files with 4695 additions and 5079 deletions

View File

@@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/syntax.sgml,v 1.75 2003/02/19 03:13:24 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/syntax.sgml,v 1.76 2003/03/13 01:30:29 petere Exp $
-->
<chapter id="sql-syntax">
@@ -179,7 +179,7 @@ UPDATE "my_table" SET "a" = 5;
<para>
Quoting an identifier also makes it case-sensitive, whereas
unquoted names are always folded to lower case. For example, the
identifiers <literal>FOO</literal>, <literal>foo</literal> and
identifiers <literal>FOO</literal>, <literal>foo</literal>, and
<literal>"foo"</literal> are considered the same by
<productname>PostgreSQL</productname>, but <literal>"Foo"</literal>
and <literal>"FOO"</literal> are different from these three and
@@ -414,10 +414,10 @@ CAST ( '<replaceable>string</replaceable>' AS <replaceable>type</replaceable> )
function-call syntaxes can also be used to specify run-time type
conversions of arbitrary expressions, as discussed in <xref
linkend="sql-syntax-type-casts">. But the form
<replaceable>type</replaceable> '<replaceable>string</replaceable>'
<literal><replaceable>type</replaceable> '<replaceable>string</replaceable>'</literal>
can only be used to specify the type of a literal constant.
Another restriction on
<replaceable>type</replaceable> '<replaceable>string</replaceable>'
<literal><replaceable>type</replaceable> '<replaceable>string</replaceable>'</literal>
is that it does not work for array types; use <literal>::</literal>
or <literal>CAST()</literal> to specify the type of an array constant.
</para>
@@ -597,7 +597,7 @@ CAST ( '<replaceable>string</replaceable>' AS <replaceable>type</replaceable> )
<listitem>
<para>
The period (<literal>.</literal>) is used in floating-point
The period (<literal>.</literal>) is used in numeric
constants, and to separate schema, table, and column names.
</para>
</listitem>
@@ -870,7 +870,7 @@ SELECT 3 OPERATOR(pg_catalog.+) 4;
<listitem>
<para>
A positional parameter reference, in the body of a function declaration.
A positional parameter reference, in the body of a function definition.
</para>
</listitem>