2019-06-14 19:39:56 +00:00
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#pragma once
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2021-04-10 23:33:54 +00:00
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#include <Interpreters/Context_fwd.h>
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2019-06-14 19:39:56 +00:00
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#include <Parsers/IAST_fwd.h>
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2021-04-10 23:33:54 +00:00
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#include <common/types.h>
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2019-06-14 19:39:56 +00:00
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namespace DB
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{
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2021-04-10 23:33:54 +00:00
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2020-12-13 11:30:53 +00:00
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class NamesAndTypesList;
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2021-04-10 23:33:54 +00:00
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2019-06-14 19:39:56 +00:00
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/// It will produce an expression with CAST to get an AST with the required type.
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ASTPtr addTypeConversionToAST(ASTPtr && ast, const String & type_name);
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2020-12-12 16:42:15 +00:00
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// If same type, then ignore the wrapper of CAST function
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2021-06-01 12:20:52 +00:00
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ASTPtr addTypeConversionToAST(ASTPtr && ast, const String & type_name, const NamesAndTypesList & all_columns, ContextPtr context);
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2020-12-12 16:42:15 +00:00
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2019-06-14 19:39:56 +00:00
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}
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