Re: pg_sample

Thanks for the help. 

But now i'm getting some different error as i rum this command 

./pg_sample -a -f file.sql --limit="user = 100" --schema=dbname -h hostname -U user -W password

I am not getting output and one file opens , in that file there id guide for pg_sample 

----

/tmp/9REOT5C

NAME

pg_sample - extract a small, sample dataset from a larger PostgreSQL

database while maintaining referential integrity.

=head1 SYNOPSIS

pg_sample [ option... ] [ dbname ]

=head1 DESCRIPTION

pg_sample is a utility for exporting a small, sample dataset from a

larger PostgreSQL database. The output and command-line options closely

resemble the pg_dump backup utility (although only the plain-text format

is supported).

The sample database produced includes all tables from the original,

maintains referential integrity, and supports circular dependencies.

To build an actual instance of the sample database, the output of this script

can be piped to the psql utility. For example, assuming we have an existing

PostgreSQL database named "mydb", a sample database could be constructed with:

  createdb sampledb

  pg_sample mydb | psql sampledb

and so on .......

On Mon, Aug 27, 2018 at 1:27 AM, Paul Carlucci <paul.carlucci@gmail.com> wrote:

sudo yum install perl-CPAN

Also do a "yum search perl-" and you should find most, if not all what you need natively packaged for your particular Linux distro.  You're better off just sticking with the pre-packaged perl modules unless you specifically need something special.

You'll find more modules if you also enable the EPEL yum repo by setting enabled=1 in the first section of /etc/yum.repos.d/epel.conf and rerunning that yum search command.

On Sun, Aug 26, 2018, 2:20 PM Naveen Dabas <naveen@paymonk.com> wrote:

Sir i'm getting error in both commands 

[root@ip-88-8-8-17 ~]#  perl -MCPAN -e 'install Bundle::DBI'

Can't locate CPAN.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .).

BEGIN failed--compilation aborted.

[root@ip-88-8-8-17 ~]# perl -MCPAN -e 'install DBD::Pg'

Can't locate CPAN.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .).

BEGIN failed--compilation aborted.

operating system =CentOS Linux release 7.5.1804 (Core)

thanks 

On Fri, Aug 24, 2018 at 6:16 PM, Abhinav Mehta <abhinav@metarain.com> wrote:

Solution, execute this on your linux terminal -

$ perl -MCPAN -e 'install Bundle::DBI'
$ perl -MCPAN -e 'install DBD::Pg'

> On 24-Aug-2018, at 6:13 PM, Ravi Krishna <sravikrishna@aol.com> wrote:
>
>>
>> sir have taken pg_sample
>> Now i want to run pg_sample with credential but i'm getting this error
>>
>> Can't locate DBI.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at ./pg_sample line 192.
>> BEGIN failed--compilation aborted at ./pg_sample line 192.
>
> As is clear from the message, you need to install Perl DBI/DBD first.
>
>

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With Regards

Naveen Dabas

Ph. 9017298370

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With Regards

Naveen Dabas

Ph. 9017298370