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<div class="sect1">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="id-1.8.4.3"></a>Execution</h2></div></div></div>
<p>
The <span class="application">Libgda</span>'s SQL console tool runs is a terminal emulator, and can be launched using
the <span class="command"><strong>gda-sql</strong></span> (or <span class="command"><strong>gda-sql-<version></strong></span> for a specific version):
</p>
<div class="cmdsynopsis"><p><code class="command">gda-sql</code> [--help] [-l] [-L] [-C <em class="replaceable"><code>command</code></em>] [-f <em class="replaceable"><code>commands file</code></em>] [-o <em class="replaceable"><code>output file</code></em>] [-s<em class="replaceable"><code>port to use to run embedded HTTP server</code></em>] [-t<em class="replaceable"><code>authentication token required to authenticate clients when running the embedded HTTP server</code></em>] [<em class="replaceable"><code>connection specification</code></em>...]</p></div>
<p>
The options are the following ones:
</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p>the <code class="option">--help</code> option gives a short help summary</p></li>
<li class="listitem">
<p>the <code class="option">-l</code> and <code class="option">-L</code> options respectively
output a list of the defined data sources (DSN) and of the installed database adaptaters
(database providers):
</p>
<pre class="programlisting">
[prompt]> gda-sql -l
List of defined data sources
DSN | Provider | Description | Connection string | Username | Global
----------+----------+--------------------------------------+------------------------------+----------+-------
SalesTest | SQLite | Test database for a sales department | DB_DIR=/adir;DB_NAME=data.db | | FALSE
[...]
</pre>
<p>
</p>
<pre class="programlisting">
[prompt]> gda-sql -L
Installed providers list
Provider | Description
---------------+------------------------------------------------------------------------------------
Berkeley-DB | Provider for Berkeley databases
Firebird | Provider for Firebird databases
FirebirdEmbed | Provider for embedded Firebird databases
Ldap | Provider for database where tables are based on data contained in an LDAP directory
MSAccess | Provider for Microsoft Access files
[...]
</pre>
<p>
</p>
<pre class="programlisting">
[prompt]> ./gda-sql -L PostgreSQL
Provider 'PostgreSQL' description
Attribute | Value
---------------+---------------------------------------------------------------------------------------------------------------------------------------
Provider | PostgreSQL
Description | Provider for PostgreSQL databases
DSN parameters | DB_NAME: Database name. The name of a database to connect to (string),
SEARCHPATH: Search Path. Search path among database's schemas ('search_path' variable) (string),
HOST: Database server. Host on which the database server is running (for servers running on unix domain sockets, enter the socket's pa
PORT: Port. Database server port (for servers running on unix domain sockets, enter the socket's file name extension (usually 5432), o
OPTIONS: Options. Extra connection options (string),
USE_SSL: Require SSL. Whether or not to use SSL to establish the connection (boolean),
CONNECT_TIMEOUT: Connection timeout. Maximum wait for connection, in seconds. Zero or not specified means wait indefinitely. It is not
Authentication | USERNAME (string),
PASSWORD (string)
File | /local/extra/lib/libgda-5.0/providers/libgda-postgres.so
(5 rows)
</pre>
<p>
</p>
</li>
<li class="listitem"><p>the <code class="option">-C</code> and <code class="option">-f</code> options repectively allow
one to specify a single command to be run or a filename containing the commands to run
before the tool exits</p></li>
<li class="listitem"><p>the <code class="option">-o</code> option allows to specify a file to write the
output to</p></li>
<li class="listitem"><p>the <code class="option">-s</code> requests the embedded HTTP server to be executed, listening on
the port specified.</p></li>
<li class="listitem"><p>the <code class="option">-t</code> specifies a token string which clients will have to
supply to authenticate themselves to the HTTP server, if running.</p></li>
</ul></div>
<p>
</p>
<p>
Connections to be opened can be specified on the command line using either:
</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p>defined data sources (the ones listed using the <code class="option">-l</code> option)</p></li>
<li class="listitem"><p>connection strings which have the following format:
"[<provider>://][<username>[:<password>]@]<connection_params>".
If a username or password is required, and is not specified either by a DSN's definition or in
the connection string, then it will be requested dynamically.
Note that if provided, <username>, <password> and <provider> must be encoded as per RFC 1738</p></li>
<li class="listitem"><p>for SQLite and MS Access files: the file name</p></li>
</ul></div>
<p>
</p>
<p>
Connections can also be opened while the tool is running using the <span class="command"><strong>.c</strong></span>
internal command.
</p>
<p>
Examples:
</p>
<pre class="programlisting">
[prompt]> gda-sql Sales
[prompt]> gda-sql Postgresql://username@DB_NAME=mydb SQLite://DB_NAME=fspot Sales
[prompt]> gda-sql path/to/dbfile.db
</pre>
<p>
</p>
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