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https://github.com/ClickHouse/ClickHouse.git
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28 lines
1.2 KiB
Bash
Executable File
28 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Check that total_rows_approx (via http headers) includes all rows from
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# all parts at the query start.
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#
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# At some point total_rows_approx was accounted only when the query starts
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# reading the part, and so total_rows_approx wasn't reliable, even for simple
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# SELECT FROM MergeTree()
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# It was fixed by take total_rows_approx into account as soon as possible.
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CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CUR_DIR"/../shell_config.sh
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$CLICKHOUSE_CLIENT -q "drop table if exists data_01882"
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$CLICKHOUSE_CLIENT -q "create table data_01882 (key Int) Engine=MergeTree() partition by key order by key as select * from numbers(10)"
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# send_progress_in_http_headers will periodically send the progress
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# but this is not stable, i.e. it can be dumped on query end,
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# thus check few times to be sure that this is not coincidence.
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for _ in {1..30}; do
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$CLICKHOUSE_CURL -vsS "${CLICKHOUSE_URL}&max_threads=1&default_format=Null&send_progress_in_http_headers=1&http_headers_progress_interval_ms=1" --data-binary @- <<< "select * from data_01882" |& {
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grep -o -F '"total_rows_to_read":"10"'
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} | {
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# grep out final result
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grep -v -F '"read_rows":"10"'
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}
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done | uniq
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