ClickHouse/src/Parsers/parseUserName.cpp

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#include <Parsers/parseUserName.h>
#include <Parsers/ParserUserNameWithHost.h>
#include <Parsers/ASTUserNameWithHost.h>
#include <Parsers/CommonParsers.h>
namespace DB
{
bool parseUserName(IParser::Pos & pos, Expected & expected, String & user_name)
{
ASTPtr ast;
if (!ParserUserNameWithHost{}.parse(pos, ast, expected))
return false;
user_name = ast->as<const ASTUserNameWithHost &>().toString();
return true;
}
bool parseUserNames(IParser::Pos & pos, Expected & expected, Strings & user_names)
{
ASTPtr ast;
if (!ParserUserNamesWithHost{}.parse(pos, ast, expected))
return false;
user_names = ast->as<const ASTUserNamesWithHost &>().toStrings();
return true;
}
bool parseCurrentUserTag(IParser::Pos & pos, Expected & expected)
{
return IParserBase::wrapParseImpl(pos, [&]
{
if (!ParserKeyword{"CURRENT_USER"}.ignore(pos, expected) && !ParserKeyword{"currentUser"}.ignore(pos, expected))
return false;
if (ParserToken{TokenType::OpeningRoundBracket}.ignore(pos, expected))
{
if (!ParserToken{TokenType::ClosingRoundBracket}.ignore(pos, expected))
return false;
}
return true;
});
}
}