From: Marc G. Fournier Date: Thu, 19 Sep 1996 20:09:02 +0000 (+0000) Subject: Here is a /doc patch for the oid preservation code. X-Git-Tag: REL2_0~567 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9fb31dcb5440d587bb45f6a5d63e1258c7db47bb;p=postgresql Here is a /doc patch for the oid preservation code. Submitted by: Bruce Momjian --- diff --git a/doc/man/copy.l b/doc/man/copy.l index ffefdc41a1..3e401d0b71 100644 --- a/doc/man/copy.l +++ b/doc/man/copy.l @@ -1,14 +1,14 @@ .\" This is -*-nroff-*- .\" XXX standard disclaimer belongs here.... -.\" $Header: /cvsroot/pgsql/doc/man/Attic/copy.l,v 1.2 1996/09/19 20:08:09 scrappy Exp $ +.\" $Header: /cvsroot/pgsql/doc/man/Attic/copy.l,v 1.3 1996/09/19 20:09:01 scrappy Exp $ .TH COPY SQL 11/05/95 Postgres95 Postgres95 .SH NAME copy \(em copy data to or from a class from or to a Unix file. .SH SYNOPSIS .nf -\fBcopy\fP [\fBbinary\fP] classname +\fBcopy\fP [\fBbinary\fP] classname [\fBwith oids\fP] \fBto\fP|\fBfrom\fP "filename"|\fBstdin\fR|\fBstdout\fR - [\fBUSING DELIMITERS\fP delim] + [\fBusing delimiters\fP delim] .fi .SH DESCRIPTION .BR Copy @@ -18,6 +18,11 @@ keyword changes the behavior of field formatting, as described below. .IR Classname is the name of an existing class. +The keyword +.BR "with oids" +copies the internal unique object id (OID) for each row. +.IR Classname +is the name of an existing class. .IR Filename is the Unix pathname of the file. In place of a filename, the keywords @@ -26,7 +31,9 @@ can be used so that input to .BR copy can be written by a Libpq application and output from the .BR copy -command can be read by a Libpq application. The +command can be read by a Libpq application. +.PP +The .BR binary keyword will force all data to be stored/read as binary objects rather than as ASCII text. It is somewhat faster than the normal @@ -34,16 +41,19 @@ than as ASCII text. It is somewhat faster than the normal command, but is not generally portable, and the files generated are somewhat larger, although this factor is highly dependent on the data itself. -.PP -By default, +When copying in, the +.BR "with oids" +keyword should only be used on an empty database because +the loaded oids could conflict with existing oids. +By default, a ASCII .BR copy uses a tab (\\t) character as a delimiter. The delimiter may also be changed to any other single-character with the use of -.BR "USING DELIMITERS" . +.BR "using delimiters" . Characters in data fields which happen to match the delimiter character will be quoted. .PP -You must have read access on any class whose values are read by the +You must have read access on any class whose values are read by the .BR copy command, and either write or append access to a class to which values are being appended by the @@ -69,6 +79,7 @@ The actual format for each instance is .nf ... .fi +The oid is placed on the beginning of the line if specified. .PP If .BR copy @@ -111,12 +122,16 @@ this format must be followed Unsigned four-byte integer quantities are called uint32 in the below description. .nf -uint32 totallength (not including itself), -uint32 number of null attributes -[uint32 attribute number of first null attribute - ... - uint32 attribute number of nth null attribute], - +The first value is: + uint32 number of tuples +then for each tuple: + uint32 total length of data segment + uint32 oid (if specified) + uint32 number of null attributes + [uint32 attribute number of first null attribute + ... + uint32 attribute number of nth null attribute], + .fi .bp .SS "ALIGNMENT OF BINARY DATA" diff --git a/doc/man/pg_dump.1 b/doc/man/pg_dump.1 index e05c24180b..3ebf8269d0 100644 --- a/doc/man/pg_dump.1 +++ b/doc/man/pg_dump.1 @@ -1,6 +1,6 @@ .\" This is -*-nroff-*- .\" XXX standard disclaimer belongs here.... -.\" $Header: /cvsroot/pgsql/doc/man/Attic/pg_dump.1,v 1.1.1.1 1996/08/18 22:14:26 scrappy Exp $ +.\" $Header: /cvsroot/pgsql/doc/man/Attic/pg_dump.1,v 1.2 1996/09/19 20:09:02 scrappy Exp $ .TH PG_DUMP UNIX 1/20/96 Postgres95 Postgres95 .SH NAME pg_dump \(em dumps out a Postgres database into a script file @@ -21,8 +21,20 @@ port] .BR "-v" ] [\c +.BR "-d[a]" +] +[\c .BR "-S" help] +[\c +.BR "-a" +] +[\c +.BR "-t" +table] +[\c +.BR "-o" +] dbname .in -5n .SH DESCRIPTION