ClickHouse/dbms/src/Parsers/ParserKillQueryQuery.cpp

68 lines
1.7 KiB
C++

#include <Parsers/ParserKillQueryQuery.h>
#include <Parsers/ASTKillQueryQuery.h>
#include <Parsers/ASTIdentifier.h>
#include <Parsers/ASTLiteral.h>
#include <Parsers/CommonParsers.h>
#include <Parsers/ASTSelectQuery.h>
#include <Parsers/ASTTablesInSelectQuery.h>
#include <Parsers/ParserSelectQuery.h>
#include <Parsers/ExpressionElementParsers.h>
#include <Parsers/ExpressionListParsers.h>
#include <Common/typeid_cast.h>
namespace DB
{
bool ParserKillQueryQuery::parseImpl(Pos & pos, Pos end, ASTPtr & node, Pos & max_parsed_pos, Expected & expected)
{
Pos begin = pos;
auto query = std::make_shared<ASTKillQueryQuery>();
ParserWhiteSpaceOrComments ws;
ws.ignore(pos, end);
if (!ParserString{"KILL", true, true}.ignore(pos, end, max_parsed_pos, expected))
return false;
ws.ignore(pos, end);
if (!ParserString{"QUERY", true, true}.ignore(pos, end, max_parsed_pos, expected))
return false;
ws.ignore(pos, end);
if (!ParserString{"WHERE", true, true}.ignore(pos, end, max_parsed_pos, expected))
return false;
ws.ignore(pos, end);
ParserExpressionWithOptionalAlias p_where_expression(false);
if (!p_where_expression.parse(pos, end, query->where_expression, max_parsed_pos, expected))
return false;
ws.ignore(pos, end);
if (ParserString{"SYNC", true, true}.ignore(pos, end))
query->sync = true;
else if (ParserString{"ASYNC", true, true}.ignore(pos, end))
query->sync = false;
else if (ParserString{"TEST", true, true}.ignore(pos, end))
query->test = true;
else
expected = "[SYNC|ASYNC|TEST]";
ws.ignore(pos, end);
query->range = StringRange(begin, pos);
node = std::move(query);
return true;
}
}