mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-29 19:12:03 +00:00
34 lines
1.3 KiB
Bash
Executable File
34 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
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# check for buffer overflow in unbin (due to not enough memory preallocate for output buffer)
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# we iterate over all remainders of input string length modulo word_size and check that no assertions are triggered
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word_size=8
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for i in $(seq 1 $((word_size+1))); do
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str=$(printf "%${i}s" | tr ' ' 'x')
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$CLICKHOUSE_CLIENT -q "SELECT count() FROM numbers(99) GROUP BY unbin(toFixedString(materialize('$str'), $i)) WITH ROLLUP WITH TOTALS FORMAT NULL"
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done
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word_size=8
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for i in $(seq 1 $((word_size+1))); do
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str=$(printf "%${i}s" | tr ' ' 'x')
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$CLICKHOUSE_CLIENT -q "SELECT count() FROM numbers(99) GROUP BY unbin(materialize('$str')) WITH ROLLUP WITH TOTALS FORMAT NULL"
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done
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word_size=2
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for i in $(seq 1 $((word_size+1))); do
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str=$(printf "%${i}s" | tr ' ' 'x')
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$CLICKHOUSE_CLIENT -q "SELECT count() FROM numbers(99) GROUP BY unhex(toFixedString(materialize('$str'), $i)) WITH ROLLUP WITH TOTALS FORMAT NULL"
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done
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word_size=2
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for i in $(seq 1 $((word_size+1))); do
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str=$(printf "%${i}s" | tr ' ' 'x')
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$CLICKHOUSE_CLIENT -q "SELECT count() FROM numbers(99) GROUP BY unhex(materialize('$str')) WITH ROLLUP WITH TOTALS FORMAT NULL"
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done
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