dbms: added tests for UnionBlockInputStream [#METR-2944].

dbms/tests/queries/0_stateless/00090_union_race_conditions_1.reference

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+..........

dbms/tests/queries/0_stateless/00090_union_race_conditions_1.sh

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+#!/bin/bash -e
+
+echo "
+    DROP TABLE IF EXISTS test.two_blocks; 
+    CREATE TABLE test.two_blocks (d Date) ENGINE = MergeTree(d, d, 1); 
+    INSERT INTO test.two_blocks VALUES ('2000-01-01');
+    INSERT INTO test.two_blocks VALUES ('2000-01-02');
+" | clickhouse-client -n
+
+for i in {1..10}; do seq 1 100 | sed 's/.*/SELECT count() FROM (SELECT * FROM test.two_blocks);/' | clickhouse-client -n --receive_timeout=1 | grep -vE '^2$' && echo 'Fail!' && break; echo -n '.'; done; echo
+
+echo "DROP TABLE test.two_blocks;" | clickhouse-client -n

dbms/tests/queries/0_stateless/00091_union_race_conditions_2.reference

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+..........

dbms/tests/queries/0_stateless/00091_union_race_conditions_2.sh

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+#!/bin/bash -e
+
+for i in {1..10}; do seq 1 100 | sed 's/.*/SELECT count() FROM (SELECT * FROM (SELECT * FROM system.numbers_mt LIMIT 111) LIMIT 55);/' | clickhouse-client -n --receive_timeout=1 --max_block_size=1 | grep -vE '^55$' && echo 'Fail!' && break; echo -n '.'; done; echo

dbms/tests/queries/0_stateless/00092_union_race_conditions_3.reference

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+..........

dbms/tests/queries/0_stateless/00092_union_race_conditions_3.sh

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+#!/bin/bash -e
+
+for i in {1..10}; do seq 1 100 | sed 's/.*/SELECT * FROM (SELECT * FROM system.numbers_mt LIMIT 111) LIMIT 55;/' | clickhouse-client -n --receive_timeout=1 --max_block_size=1 | wc -l | grep -vE '^5500$' && echo 'Fail!' && break; echo -n '.'; done; echo

dbms/tests/queries/0_stateless/00093_union_race_conditions_4.reference

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+..........

dbms/tests/queries/0_stateless/00093_union_race_conditions_4.sh

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+#!/bin/bash -e
+
+for i in {1..10}; do seq 1 10 | sed 's/.*/SELECT 1 % ((number + 500) % 1000) FROM system.numbers_mt LIMIT 1000;/' | clickhouse-client -n --receive_timeout=1 --max_block_size=1 >/dev/null 2>&1 && echo 'Fail!' && break; echo -n '.'; done; echo

dbms/tests/queries/0_stateless/00094_union_race_conditions_5.reference

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+..........

dbms/tests/queries/0_stateless/00094_union_race_conditions_5.sh

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+#!/bin/bash -e
+
+for i in {1..10}; do seq 1 100 | sed 's/.*/SELECT * FROM system.numbers_mt LIMIT 111;/' | clickhouse-client -n --receive_timeout=1 --max_block_size=$(($RANDOM % 123 + 1)) | wc -l | grep -vE '^11100$' && echo 'Fail!' && break; echo -n '.'; done; echo

dbms/tests/queries/0_stateless/00095_union_race_conditions_6.sh

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+#!/bin/bash -e
+
+for i in {1..10}; do sleep 0.0$RANDOM; seq 1 100 | sed 's/.*/SELECT 1 % (number - 10000000) FROM system.numbers_mt;/' | clickhouse-client -n --receive_timeout=1 --max_block_size=10 >/dev/null 2>&1 && echo 'Fail!' && break; echo -n '.'; done; echo