Port Bug Report: backend/utils/adt/cash.c problems

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                        POSTGRESQL BUG REPORT TEMPLATE
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Your name               : Adam Di Carlo
Your email address      : adam@onshore.com

Category                : runtime: back-end
Severity                : serious

Summary: backend/utils/adt/cash.c problems

System Configuration
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  Operating System   : Linux 2.0.36 Debian 2.1

  PostgreSQL version : 6.4.2

  Compiler used      : postgresql 6.4.2-5

Hardware:
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Linux burrito 2.0.36 #1 Thu Jan 14 17:02:15 EST 1999 i586 unknown

P120, 64MB RAM

Versions of other tools:
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(used debian package)

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Problem Description:
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Two bugs when running cash_in() function on different
data types, from psql, output below.

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Test Case:
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timesheet=> \d client-old

Table    = client-old
+----------------------------------+----------------------------------+-------+
|              Field               |              Type                | Length|
+----------------------------------+----------------------------------+-------+
| client_id                        | int4                             |     4 |
| client_name                      | text                             |   var |
| default_bill_rate                | float8                           |     8 |
| default_approved                 | int4                             |     4 |
+----------------------------------+----------------------------------+-------+
timesheet=> select client_id, client_name, cash_in(float4out(default_bill_rate)), default_approved from "client-old";
ERROR:  Bad money external representation (null)
timesheet=> select client_id, client_name, cash_in(default_bill_rate), default_approved from "client-old";
Backend message type 0x44 arrived while idle
Backend message type 0x44 arrived while idle
We have lost the connection to the backend, so further processing is impossible.  Terminating.


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Solution:
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