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mirror of https://github.com/postgres/postgres.git synced 2025-11-04 20:11:56 +03:00

proof-reading

This commit is contained in:
Peter Eisentraut
2001-11-28 20:49:10 +00:00
parent cde7dc82ca
commit 651a639b8b
42 changed files with 560 additions and 599 deletions

View File

@@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/syntax.sgml,v 1.52 2001/11/21 06:09:45 thomas Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/syntax.sgml,v 1.53 2001/11/28 20:49:10 petere Exp $
-->
<chapter id="sql-syntax">
@@ -415,13 +415,13 @@ CAST ( '<replaceable>string</replaceable>' AS <replaceable>type</replaceable> )
for the type, as recorded in its <literal>pg_type</literal>
entry. (For all built-in types, this is the comma character
<quote><literal>,</literal></>.) Each <replaceable>val</replaceable> is either a constant
of the array element type, or a sub-array. An example of an
of the array element type, or a subarray. An example of an
array constant is
<programlisting>
'{{1,2,3},{4,5,6},{7,8,9}}'
</programlisting>
This constant is a two-dimensional, 3 by 3 array consisting of three
sub-arrays of integers.
This constant is a two-dimensional, 3-by-3 array consisting of three
subarrays of integers.
</para>
<para>
@@ -750,7 +750,7 @@ CAST ( '<replaceable>string</replaceable>' AS <replaceable>type</replaceable> )
<para>
Command identifiers are also 32-bit quantities. This creates a hard
limit of 2^32 (4 billion) SQL commands within a single transaction.
limit of 2<superscript>32</> (4 billion) SQL commands within a single transaction.
In practice this limit is not a problem --- note that the limit is on
number of SQL queries, not number of tuples processed.
</para>
@@ -877,7 +877,7 @@ CAST ( '<replaceable>string</replaceable>' AS <replaceable>type</replaceable> )
<replaceable>correlation</replaceable> is either the name of a
table, an alias for a table defined by means of a FROM clause, or
the keyword <literal>NEW</literal> or <literal>OLD</literal>.
the key words <literal>NEW</literal> or <literal>OLD</literal>.
(NEW and OLD can only appear in the action portion of a rule,
while other correlation names can be used in any SQL statement.)
The correlation name can be omitted if the column name is unique