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#pragma once
#include <Parsers/IParserBase.h>
#include <Parsers/ExpressionElementParsers.h>
namespace DB
{
struct SettingChange;
/** Query like this:
* SET name1 = value1, name2 = value2, ...
*/
class ParserSetQuery : public IParserBase
{
public:
using Parameter = std::pair<std::string, std::string>;
explicit ParserSetQuery(bool parse_only_internals_ = false) : parse_only_internals(parse_only_internals_) {}
static bool parseNameValuePair(SettingChange & change, IParser::Pos & pos, Expected & expected);
static bool parseNameValuePairWithParameterOrDefault(SettingChange & change,
String & default_settings,
Parameter & parameter,
IParser::Pos & pos,
Expected & expected);
protected:
const char * getName() const override { return "SET query"; }
bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override;
/// Parse the list `name = value` pairs, without SET.
bool parse_only_internals;
};
}
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