mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 02:41:59 +00:00
79 lines
2.2 KiB
Bash
Executable File
79 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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. $CURDIR/../shell_config.sh
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$CLICKHOUSE_CLIENT --multiquery <<EOF
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DROP TABLE IF EXISTS src_a;
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DROP TABLE IF EXISTS src_b;
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DROP TABLE IF EXISTS mv;
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CREATE TABLE src_a (v UInt64) ENGINE = Null;
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CREATE TABLE src_b (v UInt64) ENGINE = Null;
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CREATE MATERIALIZED VIEW mv (test UInt8, case UInt8)
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Engine = MergeTree()
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ORDER BY test AS
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SELECT v == 1 as test, v as case FROM src_a;
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EOF
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# The purpose of this test is to ensure that MV query A is always used against source table A. Same for query/table B.
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# Also, helps detect data races.
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function insert_thread() {
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# Always wait for all background INSERTs to finish to catch stuck queries.
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trap 'wait; exit;' INT
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INSERT[0]="INSERT INTO TABLE src_a VALUES (1);"
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INSERT[1]="INSERT INTO TABLE src_b VALUES (2);"
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while true; do
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# trigger 50 concurrent inserts at a time
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for i in {0..50}; do
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# ignore `Possible deadlock avoided. Client should retry`
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$CLICKHOUSE_CLIENT -q "${INSERT[$RANDOM % 2]}" 2>/dev/null &
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done
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wait
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is_done=$($CLICKHOUSE_CLIENT -q "SELECT countIf(case = 1) > 0 AND countIf(case = 2) > 0 FROM mv;")
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if [ "$is_done" -eq "1" ]; then
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break
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fi
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done
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}
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function alter_thread() {
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trap 'exit' INT
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ALTER[0]="ALTER TABLE mv MODIFY QUERY SELECT v == 1 as test, v as case FROM src_a;"
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ALTER[1]="ALTER TABLE mv MODIFY QUERY SELECT v == 2 as test, v as case FROM src_b;"
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while true; do
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$CLICKHOUSE_CLIENT --allow_experimental_alter_materialized_view_structure=1 \
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-q "${ALTER[$RANDOM % 2]}"
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sleep "0.0$RANDOM"
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is_done=$($CLICKHOUSE_CLIENT -q "SELECT countIf(case = 1) > 0 AND countIf(case = 2) > 0 FROM mv;")
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if [ "$is_done" -eq "1" ]; then
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break
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fi
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done
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}
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export -f insert_thread;
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export -f alter_thread;
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# finishes much faster with all builds, except debug with coverage
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timeout 120 bash -c insert_thread &
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timeout 120 bash -c alter_thread &
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wait
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$CLICKHOUSE_CLIENT -q "SELECT countIf(case = 1) > 0 AND countIf(case = 2) > 0 FROM mv LIMIT 1;"
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$CLICKHOUSE_CLIENT -q "SELECT 'inconsistencies', count() FROM mv WHERE test == 0;"
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