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62 lines
1.5 KiB
Bash
62 lines
1.5 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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# args: bigquery-public-data.github_repos.commits
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#
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# Author: Hari Sekhon
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# Date: 2020-09-25 15:32:21 +0100 (Fri, 25 Sep 2020)
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#
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# https://github.com/HariSekhon/DevOps-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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set -eu # -o pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090,SC1091
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Counts rows for a given BigQuery table
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Output:
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<project>.<dataset>.<table> <row_count>
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Requires GCloud SDK which must be configured and authorized for the project
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Tested on Google BigQuery
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="[<project>.]<dataset>.<table> <command>"
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help_usage "$@"
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min_args 1 "$@"
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# validated in bigquery_list_tables.sh
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table="$1"
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# exit the loop subshell if you Control-C
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trap 'exit 130' INT
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output="$(bq query --quiet --headless --format=prettyjson --nouse_legacy_sql "SELECT COUNT(*) AS row_count FROM \`$table\`;")"
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# shellcheck disable=SC2181
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if [ $? != 0 ]; then
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echo "$output" >&2
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exit 1
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fi
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jq -r '.[].row_count' <<< "$output" |
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while read -r row_count; do
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printf '%s\t%s\n' "$table" "$row_count"
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done
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