gaussian-splatting-my/envs/gaussian_splatting/Library/lib/tdbcpostgres1.1.5/tdbc_postgres.n

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.\" tdbc_postgres.n --
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.\" Copyright (c) 2009 by Slawomir Cygan
.\"
.\" See the file "license.terms" for information on usage and redistribution of
.\" this file, and for a DISCLAIMER OF ALL WARRANTIES.
.TH "tdbc::postgres" n 8.6 Tcl "Tcl Database Connectivity"
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.BS
.SH "NAME"
tdbc::postgres \- TDBC-POSTGRES bridge
.SH "SYNOPSIS"
package require \fBtdbc::postgres 1.0\fR
.sp
\fBtdbc::postgres::connection create\fR \fIdb\fR ?\fI-option value...\fR?
.br
\fBtdbc::postgres::connection new\fR ?\fI-option value...\fR?
.BE
.SH "DESCRIPTION"
.PP
The \fBtdbc::postgres\fR driver provides a database interface that conforms
to Tcl DataBase Connectivity (TDBC) and allows a Tcl script to connect
to a Postgres database.
.PP
Connection to a POSTGRES database is established by invoking
\fBtdbc::postgres::connection create\fR, passing it the name to give the
database handle and a set of \fI-option-value\fR pairs. The available
options are enumerated under CONNECTION OPTIONS below.
As an alternative, \fBtdbc::postgres::connection new\fR may be used to create
a database connection with an automatically assigned name. The return value
from \fBtdbc::postgres::connection new\fR is the name that was chosen for the
connection handle.
.PP
The side effect of \fBtdbc::postgres::connection create\fR is to create a
new database connection.. See \fBtdbc::connection(n)\fR for the
details of how to use the connection to manipulate a database.
.SH "CONNECTION OPTIONS"
.PP
The \fBtdbc::postgres::connection create\fR object command supports the
\fB-encoding\fR, \fB-isolation\fR, \fB-readonly\fR and \fB-timeout\fR
options common to all TDBC drivers. The \fB-timeout\fR option will
only affect connection process, once connected this value will be
ignored and cannot be changed after connecting.
.PP
In addition, the following options are recognized (these options must be
set on the initial creation of the connection; they cannot be changed
after connecting) :
.IP "\fB-host\fR \fIhostname\fR"
Connects to the host specified by \fIhostname\fR. Default is to connect using a local Unix domain socket.
.IP "\fB-hostaddr\fR \fIaddress\fR"
Connects to the host specified by given IP \fIaddress\fR. If both \fB-host\fR and \fB-hostaddr\fR are given, the value
of \fB-host\fR is ignored. Default is to connect using a local Unix domain socket.
.IP "\fB-port\fR \fInumber\fR"
Connects to a Postgres server listening on the port specified by \fInumber\fR.
It is used only when \fIhost\fR  or \fIhostaddr\fR is specified.
.IP "\fB-user\fR \fIname\fR"
Presents \fIname\fR as the user name to the Postgres server. Default is the
current user ID.
.IP "\fB-passwd\fR \fIpassword\fR"
.IP "\fB-password\fR \fIpassword\fR"
These two options are synonymous. They present the given \fIpassword\fR as
the user's password to the Postgres server. Default is not to present a password.
.IP "\fB-database\fR \fIname\fR"
.IP "\fB-db\fR \fIname\fR"
These two options are synonymous.  They present the given \fIname\fR as the
name of the default database to use in Postgres queries. If not specified,
the default database for the current user is used.
.IP "\fB-options\fR \fIopts\fR"
This sets \fIopts\fR as additional command line options send to the server.
.IP "\fB-tty\fR \fIfile\fR"
This option is ignored on never servers. Formerly this specified where to send debug
output. This option is left for compatibility with older servers.
.IP "\fB-sslmode\fR \fImode\fR"
This option determines whether or with what priority an SSL connection will be negotiated with
the server. There are four \fImodes\fR: \fBdisable\fR will attempt only an unencrypted SSL connection;
\fBallow\fR will negotiate, trying first a non-SSL connection, then if that fails, trying an SSL
connection; \fBprefer\fR (the default) will negotiate, trying first an SSL connection,
then if that fails, trying a regular non-SSL connection; \fBrequire\fR will try only an SSL connection.
If PostgreSQL is compiled without SSL support, using option \fBrequire\fR will cause an error,
and options \fBallow\fR and \fBprefer\fR will be tolerated but the driver will be unable to negotiate
an SSL connection.
.IP \fB-requiressl\fR \fIflag\fR
This option is deprecated in favor of the \fB-sslmode\fR setting.
The \fIflag\fR value must be a Boolean value. If it is \fBtrue\fR (or
any equivalent), driver will then refuse to connect if the server does
not accept an SSL connection. The default value is \fBfalse\fR (or any
equivalent), and acts the same like \fB-sslmode\fR \fBpreffered\fR
.IP \fB-service\fR \fIname\fR
It specifies a service \fIname\fR in pg_service.conf file that holds additional connection parameters.
This allows applications to specify only a service name so connection parameters can be
centrally maintained. Refer to PostgreSQL Documentation or PREFIX/share/pg_service.conf.sample file
for details.
.SH EXAMPLES
.PP
.CS
tdbc::postgres::connection -user joe -passwd sesame -db joes_database
.CE
Connects to the Postgres server on the local host using the default
connection method, presenting user ID 'joe' and password 'sesame'.
Uses 'joes_database' as the default database name.
.SH "SEE ALSO"
tdbc(n), tdbc::connection(n), tdbc::resultset(n), tdbc::statement(n)
.SH "KEYWORDS"
TDBC, SQL, Postgres, database, connectivity, connection
.SH "COPYRIGHT"
Copyright (c) 2009 by Slawomir Cygan
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