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DevOps-Bash-tools/impala_list_tables.sh

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#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2019-12-10 11:33:52 +0000 (Tue, 10 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
#
# Lists all Impala tables in all databases using adjacent impala_shell.sh script
#
# Tested on Impala 2.7.0, 2.12.0 on CDH 5.10, 5.16 with Kerberos and SSL
#
# For more documentation see the comments at the top of impala_shell.sh
# 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/impala_shell.sh" -Bq 'SHOW DATABASES' "$@" |
while read -r db; do
"$srcdir/impala_shell.sh" -Bq "USE \`$db\`; SHOW TABLES" "$@" |
sed "s/^/$db /"
done