Jun 18,  · You can write your own scripts for copying data from Postgres to Redshift as suggested in other answers. But, if want to do that on a continuous basis in a fault tolerant manner you can use a solution like haitianshowbizz.com Hevo you get the following benefits on top of a simple dump and load replication. \COPY is a psql command (client based) and therefore not a valid SQL command. Try the same simply using COPY (without the backslash \). If you want the output file directly at the client, you might wanna use the STDOUT of COPY, otherwise the it will be created at . > to STDOUT > with delimiter '|' > > > This works. > > However I want to pipe the resulting data into a psql statement that > does a copy IN to a table on another host. I can't seem to get it > right. I tried this: > > psql -f haitianshowbizz.com | psql -h newhost -f haitianshowbizz.com > > where haitianshowbizz.com is the copy statement above and haitianshowbizz.com does a copy.

Psql copy to stdout in python

Tutorial: Loading Data into Postgres using Python and CSVs .. The Postgres command to load files directy into tables is called COPY. It takes in a file (like a CSV) and automatically loads the file into a Postgres table. Instead. Python, PostgreSQL and Psycopg2. Having performed a wholesale insert with the PostgreSQL COPY command, server-side, . a table to a file-object the sql statement should have the form of COPY table TO STDOUT. You could call the psql command-line tool from your script (i.e. using psql -X -h from_host -U user -c "\copy from_table to stdout" | psql -X -h. You could call the psql command-line tool from your script (i.e. using psql -X -h from_host -U user -c "\copy from_table to stdout" | psql -X -h. Tutorial: Loading Data into Postgres using Python and CSVs .. The Postgres command to load files directy into tables is called COPY. It takes in a file (like a CSV) and automatically loads the file into a Postgres table. Instead. Also covers bulk loading in Ruby and Python. And this post explores how to use \ copy for parallelized performance and higher throughput.

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How to import a 7M+ rows data set into PostgreSQL? (SQL for beginners)


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