Re: [GENERAL] pg_dump -s dumps data?!

On 02/07/2012 02:56 PM, Tom Lane wrote:
> Andrew Dunstan<andrew(at)dunslane(dot)net> writes:
>> On 01/31/2012 11:10 PM, Andrew Dunstan wrote:
>>> Here's a possible patch for the exclude-table-data problem along the
>>> lines you suggest.
>> Should I apply this?
> I'm not happy with this yet. My core complaint is that pg_dump used to
> consider that creation of a TableDataInfo object for a table happens
> if and only if we're going to dump the table's data. And the comments
> (eg in pg_dump.h) still say that. But the previous patch left us in a
> halfway zone where sometimes we'd create a TableDataInfo object and then
> choose not to dump the data, and this patch doesn't get us out of that.
> I think we should either revert to the previous definition, or go over
> to a design wherein we always create TableDataInfo objects for all
> tables (but probably still excluding data-less relations such as views)
> and the whether-to-dump decision is expressed only by setting or not
> setting the object's dump flag.
>
> I worked a little bit on a patch to do the latter but found that it was
> more invasive than I'd hoped. Given the lack of any immediate payoff
> I think it'd probably make more sense to do the former. We could still
> centralize the decision making into makeTableDataInfo a bit more than
> now, but it should take the form of not creating the object at all,
> rather than creating it and then clearing its dump flag.
>
>

OK, in this version we simply suppress creation of the TableDataInfo
object if it's not wanted. I actually removed the code from
makeTableDataInfo - there are only two places it gets called and doing
it in those two spots seemed a bit cleaner.

cheers

andrew