2014-10-23 13:53:16 +00:00
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#pragma once
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2016-01-13 00:32:59 +00:00
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#include <unordered_map>
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2016-08-15 19:41:44 +00:00
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#include <string>
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2014-10-23 13:53:16 +00:00
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2016-01-13 00:32:59 +00:00
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namespace DB
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2014-10-23 13:53:16 +00:00
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{
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2016-01-13 00:32:59 +00:00
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class Block;
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class Context;
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2017-12-25 21:57:29 +00:00
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class NamesAndTypesList;
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2016-01-13 00:32:59 +00:00
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struct ColumnDefault;
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2014-10-23 13:53:16 +00:00
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2020-02-17 15:44:13 +00:00
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/// Adds missing defaults to block according to required_columns
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/// using column_defaults map
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2016-01-13 00:32:59 +00:00
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void evaluateMissingDefaults(Block & block,
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2017-12-25 21:57:29 +00:00
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const NamesAndTypesList & required_columns,
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2017-04-01 07:20:54 +00:00
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const std::unordered_map<std::string, ColumnDefault> & column_defaults,
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2018-12-04 20:03:04 +00:00
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const Context & context, bool save_unneeded_columns = true);
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2018-07-04 17:02:47 +00:00
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2020-02-13 20:09:48 +00:00
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/// Tries to convert columns in block to required_columns
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2020-01-15 13:00:08 +00:00
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void performRequiredConversions(Block & block,
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const NamesAndTypesList & required_columns,
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const Context & context);
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2014-10-23 13:53:16 +00:00
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}
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