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31 lines
1008 B
C++
31 lines
1008 B
C++
#pragma once
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#include <TableFunctions/ITableFunction.h>
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namespace DB
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{
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/* values(structure, values...) - creates a temporary storage filling columns with values
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* values is case-insensitive table function.
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*/
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class TableFunctionValues : public ITableFunction
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{
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public:
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static constexpr auto name = "values";
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std::string getName() const override { return name; }
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bool hasStaticStructure() const override { return true; }
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private:
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StoragePtr executeImpl(const ASTPtr & ast_function, ContextPtr context, const std::string & table_name, ColumnsDescription cached_columns) const override;
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const char * getStorageTypeName() const override { return "Values"; }
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ColumnsDescription getActualTableStructure(ContextPtr context) const override;
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void parseArguments(const ASTPtr & ast_function, ContextPtr context) override;
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static DataTypes getTypesFromArgument(const ASTPtr & arg, ContextPtr context);
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ColumnsDescription structure;
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bool has_structure_in_arguments;
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};
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}
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