Upsert data from CSV to PostgreSQL table via command line on Linux

Want to upsert data from CSV file to existing PostgreSQL table via command line on Linux (Ubuntu/RedHat/CentOS…)?

Using pg-cmd, you can upsert(merge) CSV/TSV/TXT data to PostgreSQL table easily and fast, no need to program.

Here you can download pg-cmd Linux version.

No need to install PostgreSQL client library.

Convenient to deploy to cloud. No need to run installation file, just uncompress and run, immediately.

Upsert/Merge CSV/TSV/TXT data into PostgreSQL table via command line on Linux

1. In interactive mode:

pg-cmd> load loadtype=upsert
      > updatekey=id
      > table=media_messages 
      > datafile=/data/media_messages.csv 
      > delimiter=, 
      > quote=" 
      > header=y;

2. In batch mode:

pg-cmd dsn="pan:withdata@192.168.0.102/test" task=load loadtype=upsert updatekey=id table=media_messages datafile=/data/media_messages.csv delimiter=, quote=" header=y quit=y

“loadtype=upsert” will update row in table if “updatekey” id exists, or insert new row.

See parameters detail.

More about pg-cmd – the tool to upsert CSV/TSV/TXT data to PostgreSQL table via command line on Windows/Linux/MacOS