2011-08-18 18:48:00 +00:00
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#pragma once
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#include <DB/Parsers/ASTExpressionList.h>
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#include <DB/Parsers/ASTFunction.h>
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namespace DB
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{
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/** CREATE TABLE или ATTACH TABLE запрос
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*/
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class ASTCreateQuery : public IAST
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{
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public:
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2014-12-17 15:26:24 +00:00
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bool attach{false}; /// Запрос ATTACH TABLE, а не CREATE TABLE.
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bool if_not_exists{false};
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bool is_view{false};
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bool is_materialized_view{false};
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bool is_populate{false};
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bool is_temporary{false};
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2011-10-30 05:19:41 +00:00
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String database;
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String table;
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2011-08-18 18:48:00 +00:00
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ASTPtr columns;
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ASTPtr storage;
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2013-10-30 13:52:02 +00:00
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ASTPtr inner_storage; /// Внутренний engine для запроса CREATE MATERIALIZED VIEW
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2011-10-31 17:30:44 +00:00
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String as_database;
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String as_table;
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2011-11-01 15:16:04 +00:00
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ASTPtr select;
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2011-08-18 18:48:00 +00:00
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2014-12-17 15:26:24 +00:00
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ASTCreateQuery() = default;
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ASTCreateQuery(const StringRange range_) : IAST(range_) {}
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2015-05-03 09:13:08 +00:00
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2011-08-18 18:48:00 +00:00
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/** Получить текст, который идентифицирует этот элемент. */
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2014-12-17 15:26:24 +00:00
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String getID() const override { return (attach ? "AttachQuery_" : "CreateQuery_") + database + "_" + table; };
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2011-12-12 06:15:34 +00:00
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2014-12-17 15:26:24 +00:00
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ASTPtr clone() const override
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2011-12-12 06:15:34 +00:00
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{
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ASTCreateQuery * res = new ASTCreateQuery(*this);
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2014-12-17 15:26:24 +00:00
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ASTPtr ptr{res};
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2011-12-12 06:15:34 +00:00
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res->children.clear();
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if (columns) { res->columns = columns->clone(); res->children.push_back(res->columns); }
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if (storage) { res->storage = storage->clone(); res->children.push_back(res->storage); }
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if (select) { res->select = select->clone(); res->children.push_back(res->select); }
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2013-11-13 14:39:48 +00:00
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if (inner_storage) { res->inner_storage = inner_storage->clone(); res->children.push_back(res->inner_storage); }
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2011-12-12 06:15:34 +00:00
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2014-12-17 15:26:24 +00:00
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return ptr;
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2011-12-12 06:15:34 +00:00
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}
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2011-08-18 18:48:00 +00:00
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};
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}
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