ClickHouse/dbms/src/Parsers/ParserQuery.cpp

#include <DB/Parsers/ParserQuery.h>
#include <DB/Parsers/ParserQueryWithOutput.h>
#include <DB/Parsers/ParserCreateQuery.h>
#include <DB/Parsers/ParserInsertQuery.h>
#include <DB/Parsers/ParserDropQuery.h>
#include <DB/Parsers/ParserRenameQuery.h>
#include <DB/Parsers/ParserOptimizeQuery.h>
#include <DB/Parsers/ParserUseQuery.h>
#include <DB/Parsers/ParserSetQuery.h>
#include <DB/Parsers/ParserAlterQuery.h>
//#include <DB/Parsers/ParserMultiQuery.h>


namespace DB
{


bool ParserQuery::parseImpl(Pos & pos, Pos end, ASTPtr & node, Pos & max_parsed_pos, Expected & expected)
{
    ParserQueryWithOutput query_with_output_p;
    ParserInsertQuery insert_p;
    ParserCreateQuery create_p;
    ParserRenameQuery rename_p;
    ParserDropQuery drop_p;
    ParserAlterQuery alter_p;
    ParserUseQuery use_p;
    ParserSetQuery set_p;
    ParserOptimizeQuery optimize_p;
//    ParserMultiQuery multi_p;

    bool res = query_with_output_p.parse(pos, end, node, max_parsed_pos, expected)
        || insert_p.parse(pos, end, node, max_parsed_pos, expected)
        || create_p.parse(pos, end, node, max_parsed_pos, expected)
        || rename_p.parse(pos, end, node, max_parsed_pos, expected)
        || drop_p.parse(pos, end, node, max_parsed_pos, expected)
        || alter_p.parse(pos, end, node, max_parsed_pos, expected)
        || use_p.parse(pos, end, node, max_parsed_pos, expected)
        || set_p.parse(pos, end, node, max_parsed_pos, expected)
        || optimize_p.parse(pos, end, node, max_parsed_pos, expected);
    /*    || multi_p.parse(pos, end, node, max_parsed_pos, expected)*/;

    if (!res && (!expected || !*expected))
        expected = "One of: SHOW TABLES, SHOW DATABASES, SHOW CREATE TABLE, SELECT, INSERT, CREATE, ATTACH, RENAME, DROP, DETACH, USE, SET, OPTIMIZE, EXISTS, DESCRIBE, DESC, ALTER, SHOW PROCESSLIST, CHECK, KILL QUERY, opening curly brace";

    return res;
}

}