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42 lines
1.2 KiB
Bash
42 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2020-03-12 20:21:42 +0000 (Thu, 12 Mar 2020)
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# 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
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#
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# https://www.linkedin.com/in/harisekhon
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#
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# Lists all PostgreSQL databases using adjacent impala_shell.sh script
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#
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# FILTER environment variable will restrict to matching databases (if giving <db>.<table>, matches up to the first dot)
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#
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# AUTOFILTER if set to any value skips information_schema, performance_schema, sys and mysql databases
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#
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# Tested on MySQL 8.0.15
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(dirname "$0")"
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"$srcdir/mysql.sh" -s -e 'SELECT DISTINCT(table_schema) FROM information_schema.tables ORDER BY table_schema;' "$@" |
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sed 's/^[[:space:]]*//; s/[[:space:]]*$//; /^[[:space:]]*$/d' |
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if [ -n "${AUTOFILTER:-}" ]; then
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grep -Ev '^(information_schema|performance_schema|sys|mysql)$'
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else
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cat
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fi |
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while read -r db; do
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if [ -n "${FILTER:-}" ] &&
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! [[ "$db" =~ ${FILTER%%.*} ]]; then
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continue
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fi
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printf '%s\n' "$db"
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done
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