/usr/share/kamailio/xhttp_pi/pipelimit-table is in kamailio-xml-modules 5.1.2-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | <!-- Declaration of pl_pipes table-->
<db_table id="pl_pipes">
<table_name>pl_pipes</table_name>
<db_url_id>mysql</db_url_id>
<column><field>id</field><type>DB1_INT</type></column>
<column><field>pipeid</field><type>DB1_STR</type></column>
<column><field>algorithm</field><type>DB1_STR</type></column>
<column><field>plimit</field><type>DB1_INT</type></column>
</db_table>
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