ClickHouse/dbms/src/Parsers/ParserCheckQuery.cpp

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#include <Parsers/ParserCheckQuery.h>
#include <Parsers/CommonParsers.h>
#include <Parsers/ASTIdentifier.h>
#include <Parsers/ExpressionElementParsers.h>
#include <Parsers/ASTCheckQuery.h>
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#include <Common/typeid_cast.h>
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namespace DB
{
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bool ParserCheckQuery::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
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{
ParserKeyword s_check_table("CHECK TABLE");
ParserToken s_dot(TokenType::Dot);
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ParserIdentifier table_parser;
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ASTPtr table;
ASTPtr database;
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if (!s_check_table.ignore(pos, expected))
return false;
if (!table_parser.parse(pos, database, expected))
return false;
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if (s_dot.ignore(pos))
{
if (!table_parser.parse(pos, table, expected))
return false;
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auto query = std::make_shared<ASTCheckQuery>();
query->database = typeid_cast<const ASTIdentifier &>(*database).name;
query->table = typeid_cast<const ASTIdentifier &>(*table).name;
node = query;
}
else
{
table = database;
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auto query = std::make_shared<ASTCheckQuery>();
query->table = typeid_cast<const ASTIdentifier &>(*table).name;
node = query;
}
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return true;
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}
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}