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47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
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#include <DB/Storages/IStorage.h>
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#include <DB/Parsers/TablePropertiesQueriesASTs.h>
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#include <DB/Parsers/formatAST.h>
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#include <DB/DataStreams/OneBlockInputStream.h>
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#include <DB/DataStreams/BlockIO.h>
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#include <DB/DataStreams/copyData.h>
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#include <DB/DataTypes/DataTypesNumberFixed.h>
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#include <DB/DataTypes/DataTypeString.h>
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#include <DB/Columns/ColumnString.h>
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#include <DB/Interpreters/InterpreterShowCreateQuery.h>
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namespace DB
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{
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BlockIO InterpreterShowCreateQuery::execute()
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{
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BlockIO res;
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res.in = executeImpl();
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res.in_sample = getSampleBlock();
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return res;
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}
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Block InterpreterShowCreateQuery::getSampleBlock()
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{
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return {{ std::make_shared<ColumnConstString>(0, String()), std::make_shared<DataTypeString>(), "statement" }};
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}
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BlockInputStreamPtr InterpreterShowCreateQuery::executeImpl()
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{
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const ASTShowCreateQuery & ast = typeid_cast<const ASTShowCreateQuery &>(*query_ptr);
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std::stringstream stream;
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formatAST(*context.getCreateQuery(ast.database, ast.table), stream, 0, false, true);
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String res = stream.str();
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return std::make_shared<OneBlockInputStream>(Block{{
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std::make_shared<ColumnConstString>(1, res),
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std::make_shared<DataTypeString>(),
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"statement"}});
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}
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}
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