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DevOps-Bash-tools/hive_list_databases.sh

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#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2019-12-06 11:10:26 +0000 (Fri, 06 Dec 2019)
#
# https://github.com/harisekhon/bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
# https://www.linkedin.com/in/harisekhon
#
# List all Hive databases via beeline
#
# Tested on Hive 1.1.0 on CDH 5.10, 5.16
# you will need to comment out / remove '-o pipefail' below to skip errors if you aren't authorized to use
# any of the databases to avoid the script exiting early upon encountering any authorization error such:
#
# ERROR: AuthorizationException: User '<user>@<domain>' does not have privileges to access: default Default Hive database.*.*
#
set -eu -o pipefail
[ -n "${DEBUG:-}" ] && set -x
srcdir="$(dirname "$0")"
"$srcdir/beeline.sh" --silent=true --outputformat=tsv2 -e 'SHOW DATABASES' "$@" | tail -n +2 # | awk '{print $1}'