2020-12-29 20:10:51 +00:00
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#!/usr/bin/env bash
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2020-12-30 17:55:10 +00:00
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# shellcheck source=../shell_config.sh
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2020-12-29 20:10:51 +00:00
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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2020-12-30 15:53:33 +00:00
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# shellcheck source=../shell_config.sh
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2020-12-29 20:10:51 +00:00
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. "$CURDIR"/../shell_config.sh
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set -e
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# This is random garbage, so compression ratio will be very low.
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2021-02-10 18:09:13 +00:00
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tr -cd 'a-z0-9' < /dev/urandom | head -c1M > ${CLICKHOUSE_TMP}/input
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2020-12-29 20:10:51 +00:00
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# stdin/stdout streams
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2021-02-10 18:09:13 +00:00
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$CLICKHOUSE_COMPRESSOR < ${CLICKHOUSE_TMP}/input > ${CLICKHOUSE_TMP}/output
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diff -q <($CLICKHOUSE_COMPRESSOR --decompress < ${CLICKHOUSE_TMP}/output) ${CLICKHOUSE_TMP}/input
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2020-12-29 20:10:51 +00:00
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# positional arguments, and that fact that input/output will be overwritten
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2021-02-10 18:09:13 +00:00
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$CLICKHOUSE_COMPRESSOR ${CLICKHOUSE_TMP}/input ${CLICKHOUSE_TMP}/output
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diff -q <($CLICKHOUSE_COMPRESSOR --decompress ${CLICKHOUSE_TMP}/output) ${CLICKHOUSE_TMP}/input
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2020-12-29 20:10:51 +00:00
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# --offset-in-decompressed-block
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2021-02-10 18:09:13 +00:00
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diff -q <($CLICKHOUSE_COMPRESSOR --decompress --offset-in-decompressed-block 10 ${CLICKHOUSE_TMP}/output) <(tail -c+$((10+1)) ${CLICKHOUSE_TMP}/input)
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2020-12-29 20:10:51 +00:00
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# TODO: --offset-in-compressed-file using some .bin file (via clickhouse-local + check-marks)
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