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25 lines
706 B
C++
25 lines
706 B
C++
#include <gtest/gtest.h>
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#include <Interpreters/QueryNormalizer.h>
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#include <Parsers/IAST.h>
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#include <Parsers/queryToString.h>
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#include <Parsers/ExpressionListParsers.h>
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#include <Parsers/parseQuery.h>
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using namespace DB;
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TEST(QueryNormalizer, SimpleCycleAlias)
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{
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String query = "a as b, b as a";
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ParserExpressionList parser(false);
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ASTPtr ast = parseQuery(parser, query, 0);
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Aliases aliases;
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aliases["a"] = parseQuery(parser, "b as a", 0)->children[0];
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aliases["b"] = parseQuery(parser, "a as b", 0)->children[0];
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Settings settings;
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QueryNormalizer::Data normalizer_data(aliases, settings);
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EXPECT_THROW(QueryNormalizer(normalizer_data).visit(ast), Exception);
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}
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