ClickHouse/dbms/Interpreters/tests/create_query.cpp

#include <iostream>
#include <iomanip>

#include <Parsers/ParserCreateQuery.h>
#include <Parsers/formatAST.h>
#include <Parsers/parseQuery.h>

#include <Databases/DatabaseOrdinary.h>

#include <Interpreters/Context.h>
#include <Interpreters/InterpreterCreateQuery.h>


using namespace DB;

int main(int, char **)
try
{
    std::string input = "CREATE TABLE IF NOT EXISTS hits (\n"
        "WatchID                UInt64,\n"
        "JavaEnable             UInt8,\n"
        "Title                  String,\n"
        "EventTime              DateTime,\n"
        "CounterID              UInt32,\n"
        "ClientIP               UInt32,\n"
        "RegionID               UInt32,\n"
        "UniqID                 UInt64,\n"
        "CounterClass           UInt8,\n"
        "OS                     UInt8,\n"
        "UserAgent              UInt8,\n"
        "URL                    String,\n"
        "Referer                String,\n"
        "ResolutionWidth        UInt16,\n"
        "ResolutionHeight       UInt16,\n"
        "ResolutionDepth        UInt8,\n"
        "FlashMajor             UInt8,\n"
        "FlashMinor             UInt8,\n"
        "FlashMinor2            String,\n"
        "NetMajor               UInt8,\n"
        "NetMinor               UInt8,\n"
        "UserAgentMajor         UInt16,\n"
        "UserAgentMinor         FixedString(2),\n"
        "CookieEnable           UInt8,\n"
        "JavascriptEnable       UInt8,\n"
        "IsMobile               UInt8,\n"
        "MobilePhone            UInt8,\n"
        "MobilePhoneModel       String,\n"
        "Params                 String,\n"
        "IPNetworkID            UInt32,\n"
        "TraficSourceID         Int8,\n"
        "SearchEngineID         UInt16,\n"
        "SearchPhrase           String,\n"
        "AdvEngineID            UInt8,\n"
        "IsArtifical            UInt8,\n"
        "WindowClientWidth      UInt16,\n"
        "WindowClientHeight     UInt16,\n"
        "ClientTimeZone         Int16,\n"
        "ClientEventTime        DateTime,\n"
        "SilverlightVersion1    UInt8,\n"
        "SilverlightVersion2    UInt8,\n"
        "SilverlightVersion3    UInt32,\n"
        "SilverlightVersion4    UInt16,\n"
        "PageCharset            String,\n"
        "CodeVersion            UInt32,\n"
        "IsLink                 UInt8,\n"
        "IsDownload             UInt8,\n"
        "IsNotBounce            UInt8,\n"
        "FUniqID                UInt64,\n"
        "OriginalURL            String,\n"
        "HID                    UInt32,\n"
        "IsOldCounter           UInt8,\n"
        "IsEvent                UInt8,\n"
        "IsParameter            UInt8,\n"
        "DontCountHits          UInt8,\n"
        "WithHash               UInt8\n"
        ") ENGINE = Log";

    ParserCreateQuery parser;
    ASTPtr ast = parseQuery(parser, input.data(), input.data() + input.size(), "", 0);

    Context context = Context::createGlobal();
    context.makeGlobalContext();

    context.setPath("./");
    auto database = std::make_shared<DatabaseOrdinary>("test", "./metadata/test/", context);
    DatabaseCatalog::instance().attachDatabase("test", database);
    database->loadStoredObjects(context, false);
    context.setCurrentDatabase("test");

    InterpreterCreateQuery interpreter(ast, context);
    interpreter.execute();

    return 0;
}
catch (const Exception & e)
{
    std::cerr << e.what() << ", " << e.displayText() << std::endl
        << std::endl
        << "Stack trace:" << std::endl
        << e.getStackTraceString();
    return 1;
}