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38 lines
995 B
C++
38 lines
995 B
C++
#pragma once
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#include <Interpreters/IInterpreter.h>
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#include <Parsers/IAST_fwd.h>
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namespace DB
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{
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class ASTSetQuery;
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/** Change one or several settings for the session or just for the current context.
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*/
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class InterpreterSetQuery : public IInterpreter, WithMutableContext
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{
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public:
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InterpreterSetQuery(const ASTPtr & query_ptr_, ContextMutablePtr context_) : WithMutableContext(context_), query_ptr(query_ptr_) {}
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/** Usual SET query. Set setting for the session.
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*/
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BlockIO execute() override;
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/** Set setting for current context (query context).
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* It is used for interpretation of SETTINGS clause in SELECT query.
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*/
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void executeForCurrentContext(bool ignore_setting_constraints = false);
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bool supportsTransactions() const override { return true; }
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/// To apply SETTINGS clauses from query as early as possible
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static void applySettingsFromQuery(const ASTPtr & ast, ContextMutablePtr context_);
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private:
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ASTPtr query_ptr;
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};
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}
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