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Merge pull request #44447 from ClickHouse/42637_Disallow_arrayJoin_in_mutations
Disallow arrayjoin in mutations
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commit
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@ -43,6 +43,7 @@ namespace ErrorCodes
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extern const int UNKNOWN_MUTATION_COMMAND;
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extern const int NO_SUCH_COLUMN_IN_TABLE;
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extern const int CANNOT_UPDATE_COLUMN;
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extern const int UNEXPECTED_EXPRESSION;
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}
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namespace
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@ -946,6 +947,8 @@ QueryPipelineBuilder MutationsInterpreter::addStreamsForLaterStages(const std::v
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for (size_t i = 0; i < stage.expressions_chain.steps.size(); ++i)
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{
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const auto & step = stage.expressions_chain.steps[i];
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if (step->actions()->hasArrayJoin())
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throw Exception("arrayJoin is not allowed in mutations", ErrorCodes::UNEXPECTED_EXPRESSION);
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if (i < stage.filter_column_names.size())
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{
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/// Execute DELETEs.
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@ -0,0 +1,3 @@
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1 1
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2 2
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3 3
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@ -0,0 +1,9 @@
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DROP TABLE IF EXISTS test_02504;
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CREATE TABLE test_02504 (`a` UInt32,`b` UInt32) ENGINE = MergeTree ORDER BY a;
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INSERT INTO test_02504 values (1, 1) (2, 2), (3, 3);
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SELECT * FROM test_02504;
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ALTER TABLE test_02504 UPDATE b = 33 WHERE arrayJoin([1, 2]) = a; -- { serverError UNEXPECTED_EXPRESSION}
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DROP TABLE test_02504;
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