2017-12-15 19:34:19 +00:00
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#!/usr/bin/env bash
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2014-04-24 23:13:33 +00:00
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2017-12-15 19:34:19 +00:00
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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2020-12-28 11:46:53 +00:00
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# shellcheck source=../shell_config.sh
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2020-08-01 00:51:12 +00:00
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. "$CURDIR"/../shell_config.sh
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2017-12-15 19:34:19 +00:00
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2020-08-01 00:56:32 +00:00
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echo 'DROP TABLE IF EXISTS long_insert' | ${CLICKHOUSE_CURL} -sSg "${CLICKHOUSE_URL}" -d @-
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echo 'CREATE TABLE long_insert (a String) ENGINE = Memory' | ${CLICKHOUSE_CURL} -sSg "${CLICKHOUSE_URL}" -d @-
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2014-04-24 23:13:33 +00:00
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for string_size in 1 10 100 1000 10000 100000 1000000; do
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2018-01-10 00:04:08 +00:00
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# LC_ALL=C is needed because otherwise Perl will bark on bad tuned environment.
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2019-10-11 13:34:26 +00:00
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LC_ALL=C perl -we 'for my $letter ("a" .. "z") { print(($letter x '$string_size') . "\n") }' | ${CLICKHOUSE_CURL} -sSg "${CLICKHOUSE_URL}&query=INSERT+INTO+long_insert+FORMAT+TabSeparated" --data-binary @-
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2020-08-01 00:56:32 +00:00
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echo 'SELECT substring(a, 1, 1) AS c, length(a) AS l FROM long_insert ORDER BY c, l' | ${CLICKHOUSE_CURL} -sSg "${CLICKHOUSE_URL}" -d @-
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2014-04-24 23:13:33 +00:00
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done
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2020-11-11 15:29:36 +00:00
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echo 'DROP TABLE long_insert' | ${CLICKHOUSE_CURL} -sSg "${CLICKHOUSE_URL}" -d @-
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