From: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> |
---|---|
To: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Printing bitmap objects in the debugger |
Date: | 2016-09-14 10:13:03 |
Message-ID: | CAFjFpRdiht8e1HTVirbubr4YzaON5iZTzFJjq909y4sU8M_6eA@mail.gmail.com |
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Lists: | pgsql-hackers |
Hi All,
While working on partition-wise join, I had to examine Relids objects
many times. Printing the Bitmapset::words[] in binary format and then
inferring the relids takes time and is error prone. Instead I wrote a
function bms_to_char() which allocates a StringInfo, calls
outBitmapset() to decode Bitmapset as a set of integers and returns
the string. In order to examine a Relids object all one has to do is
execute 'p bms_to_char(bms_object) under gdb.
Is there a way, this can be included in the code? If it's available in
the code, developers don't have to apply the patch and compile it for
debugging.
--
Best Wishes,
Ashutosh Bapat
EnterpriseDB Corporation
The Postgres Database Company
Attachment | Content-Type | Size |
---|---|---|
pg_print_bms.patch | text/x-patch | 1.4 KB |
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