Re: pg_restore

On 4/11/19 6:12 PM, Ron wrote:
> On 4/11/19 5:09 PM, rammohan ganapavarapu wrote:
>> Hi,
>>
>> I have a custome database called mudb along with default databases in my
>> postgresql cluster, i am trying to restore mydb from a custom format
>> pg_dump file, what is the procedure to do it?
>>
>> psql -t -h localhost  -U ${RUN_USER}  -c "SELECT
>> pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity WHERE
>> pg_stat_activity.datname = 'mydb' AND pid <> pg_backend_pid();"
>>
>> pg_restore" -h localhost  -U ${RUN_USER}  -d mydb -j "${JOBS}" -x -O -C
>> -c --if-exist -v pgdump.dump
>>
>> But i am getting below error:
>>
>> pg_restore: connecting to database for restore
>> pg_restore: dropping DATABASE mydb
>> pg_restore: [archiver (db)] Error while PROCESSING TOC:
>> pg_restore: [archiver (db)] Error from TOC entry 4312; 1262 16384
>> DATABASE mydb mydb
>> pg_restore: [archiver (db)] could not execute query: ERROR:  cannot drop
>> the currently open database
>>     Command was: DROP DATABASE IF EXISTS mydb;
>>
>> So what is the best way to restore? I am using 9.6 version.
>
> I made the same mistake you did, by doing "-d mydb".  You need to specify
> the postgres database.
>
> This works for me:
> export PGUSER=${RUN_USER}
> export PGHOST=localhost
> DB=mydb
> pg_restore -xOvcC --if-exists --jobs=${JOBS} *-d postgres*${DB} 2>
> ${DB}_restore.log

But it just occurred to me that I used directory backups, not custom
backups, so this probably won't work for you.

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