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Add pipe parameter to COPY function to allow proper line termination.

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This commit is contained in:
Bruce Momjian
2003-04-19 19:55:37 +00:00
parent 3df163ad89
commit 9c48cae3e4
2 changed files with 14 additions and 14 deletions
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20
doc/src/sgml/ref/copy.sgml
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@@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/copy.sgml,v 1.42 2003/04/15 13:25:08 petere Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/copy.sgml,v 1.43 2003/04/19 19:55:37 momjian Exp $
PostgreSQL documentation
-->
@@ -289,7 +289,7 @@ COPY <replaceable class="parameter">table</replaceable> [ ( <replaceable class="
otherwise be taken as row or column delimiters. In particular, the
following characters <emphasis>must</> be preceded by a backslash if
they appear as part of a column value: backslash itself,
newline, and the current delimiter character.
newline, carriage return, and the current delimiter character.
</para>
<para>
@@ -355,16 +355,16 @@ COPY <replaceable class="parameter">table</replaceable> [ ( <replaceable class="
It is strongly recommended that applications generating COPY data convert
data newlines and carriage returns to the <literal>\n</> and
<literal>\r</> sequences respectively. At present it is
possible to represent a data carriage return without any special quoting,
and to represent a data newline by a backslash and newline. However,
these representations will not be accepted by default in future releases.
possible to represent a data carriage return by a backslash and carriage
return, and to represent a data newline by a backslash and newline.
However, these representations might not be accepted in future releases.
</para>
<para>
Note that the end of each row is marked by a Unix-style newline
(<quote><literal>\n</></>). Presently, <command>COPY FROM</command> will not behave as
desired if given a file containing DOS- or Mac-style newlines.
This is expected to change in future releases.
<command>COPY TO</command> will terminate each row with a Unix-style
newline (<quote><literal>\n</></>), or carriage return/newline
("\r\n") on MS Windows. <command>COPY FROM</command> can handle lines
ending with newlines, carriage returns, or carriage return/newlines.
</para>
</refsect2>
@@ -393,7 +393,7 @@ COPY <replaceable class="parameter">table</replaceable> [ ( <replaceable class="
12-byte sequence <literal>PGBCOPY\n\377\r\n\0</> --- note that the zero byte
is a required part of the signature. (The signature is designed to allow
easy identification of files that have been munged by a non-8-bit-clean
transfer. This signature will be changed by newline-translation
transfer. This signature will be changed by end-of-line-translation
filters, dropped zero bytes, dropped high bits, or parity changes.)
</para>
</listitem>