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41 lines
1.2 KiB
Bash
41 lines
1.2 KiB
Bash
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#!/usr/bin/env bash
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# https://github.com/ClickHouse/ClickHouse/issues/6497
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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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set -eo pipefail
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# Run the client.
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$CLICKHOUSE_CLIENT --multiquery <<'EOF'
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SET allow_experimental_map_type = 1;
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DROP TABLE IF EXISTS map_00825;
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CREATE TABLE map_00825
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(
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a Map(String, UInt32)
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) ENGINE = MergeTree ORDER BY tuple();
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INSERT INTO map_00825 VALUES ({'x':5, 'y':7}), ({'z':11}), ({'temp':0}), ({'':0});
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SELECT * FROM map_00825;
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EOF
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BINARY_FILE_PATH=$(mktemp "$CURDIR/00825_protobuf_format_map.XXXXXX.binary")
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$CLICKHOUSE_CLIENT --query "SELECT * FROM map_00825 FORMAT Protobuf SETTINGS format_schema = '$CURDIR/00825_protobuf_format_map:Message'" > "$BINARY_FILE_PATH"
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# Check the output in the protobuf format
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echo
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echo "Binary representation:"
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hexdump -C $BINARY_FILE_PATH
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# Check the input in the protobuf format (now the table contains the same data twice).
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echo
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$CLICKHOUSE_CLIENT --query "INSERT INTO map_00825 FORMAT Protobuf SETTINGS format_schema='$CURDIR/00825_protobuf_format_map:Message'" < "$BINARY_FILE_PATH"
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$CLICKHOUSE_CLIENT --query "SELECT * FROM map_00825"
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rm "$BINARY_FILE_PATH"
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