----------------------------------------------------
lines 6-36 of file: at_cascade/empty_avgint_table.py
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{xrst_begin empty_avgint_table}

Create An Empty avgint Table
############################

Prototype
*********
{xrst_literal
   # BEGIN_DEF
   # END_DEF
}

connection
**********
is a dismod_at open connection to the database.

covariate Table
***************
There must be a covariate table in the database so
this procedure can determine the number of covariates.

avgint Table
************
Any previous avgint table is lost.

log Table
*********
The message ``empty_avgint_table`` is added at the end of the log table
with message type ``at_cascade``.

{xrst_end   empty_avgint_table}