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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE lire:dlf-schema PUBLIC
"-//LogReport.ORG//DTD Lire DLF Schema Markup Language V1.1//EN"
"http://www.logreport.org/LDSML/1.1/ldsml.dtd">
<lire:dlf-schema superservice="database" timestamp="time"
xmlns:lire="http://www.logreport.org/LDSML/">
<lire:title>DLF Schema for Database service</lire:title>
<lire:description>
<para>A record in the <type>database</type> DLF schema represents
one event in the database. This may be a connection from a client,
a SQL query, etc.
</para>
</lire:description>
<lire:field name="time" type="timestamp" label="Timestamp">
<lire:description>
<para>The time at which the event occured.</para>
</lire:description>
</lire:field>
<lire:field name="user" type="string" label="User">
<lire:description>
<para>The name of the user who executed the command.</para>
</lire:description>
</lire:field>
<lire:field name="remote_host" type="hostname" label="Client Host">
<lire:description>
<para>The host from which the user executed the command.</para>
</lire:description>
</lire:field>
<lire:field name="action" type="string" label="Query Action">
<lire:description>
<para>The command that was executed. Commands you are likely to
encounter are <constant>connect</constant>,
<constant>disconnect</constant>, <constant>shutdown</constant> and
<constant>query</constant>.
</para>
</lire:description>
</lire:field>
<lire:field name="database" type="string" label="">
<lire:description>
<para>The database name on which the command was executed.</para>
</lire:description>
</lire:field>
<lire:field name="query" type="string">
<lire:description>
<para>When the <structfield>command</structfield> field is a
<constant>query</constant>, this field contains the actual SQL
query that was executed.
</para>
</lire:description>
</lire:field>
<lire:field name="success" type="bool" label="Success?">
<lire:description>
<para>Did the command succeeded?</para>
</lire:description>
</lire:field>
<lire:field name="result" type="string" label="Error">
<lire:description>
<para>When the <structfield>success</structfield> field is
<constant>false</constant>, i.e. when the command failed, this
field should contains the logged error message.</para>
</lire:description>
</lire:field>
<lire:field name="connection_id" type="int" label="Connection ID">
<lire:description>
<para>An "appropriate" "connection label" for the backend that can
be used for session analysis in conjunction with the
<structfield>timestamp</structfield>,
<structfield>username</structfield> and
<structfield>database</structfield> fields. This can be a
connection identifier, a PID, a real session ID or whatever makes
sense in the particular backend.
</para>
</lire:description>
</lire:field>
</lire:dlf-schema>
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