Examples with WindowingException com.sap.hadoop.windowing.WindowingException used on opensource projects

Example 21 with WindowingException

use of com.sap.hadoop.windowing.WindowingException in project SQLWindowing by hbutani.

the class Translator method translate.

public QueryDef translate(QuerySpec qSpec, WindowingShell wShell) throws WindowingException {
    // clone the cfg
    HiveConf qCfg = new HiveConf(wShell.getCfg());
    QueryDef qry = new QueryDef();
    qry.setSpec(qSpec);
    QueryTranslationInfo transInfo = new QueryTranslationInfo();
    transInfo.setHiveCfg(qCfg);
    transInfo.setWshell(wShell);
    try {
        transInfo.setHive(Hive.get(qCfg));
        transInfo.setHiveMSClient(HiveUtils.getClient(qCfg));
    } catch (HiveException he) {
        throw new WindowingException(he);
    }
    qry.setTranslationInfo(transInfo);
    InputTranslation.translate(qry);
    WhereTranslation.translate(qry);
    OutputTranslation.translate(qry);
    return qry;
}

Example 22 with WindowingException

use of com.sap.hadoop.windowing.WindowingException in project SQLWindowing by hbutani.

the class WindowFunctionTranslation method setupRankingArgs.

static void setupRankingArgs(QueryDef qDef, TableFuncDef windowTableFnDef, WindowFunctionDef wFnDef, WindowFunctionSpec wSpec) throws WindowingException {
    if (wSpec.getArgs().size() > 0) {
        throw new WindowingException("Ranking Functions can take no arguments");
    }
    QueryInputDef inpDef = windowTableFnDef.getInput();
    InputInfo inpInfo = qDef.getTranslationInfo().getInputInfo(inpDef);
    OrderDef oDef = getTableFuncOrderDef(windowTableFnDef);
    ArrayList<OrderColumnDef> oCols = oDef.getColumns();
    for (OrderColumnDef oCol : oCols) {
        wFnDef.addArg(TranslateUtils.buildArgDef(qDef, inpInfo, oCol.getExpression()));
    }
}

Example 23 with WindowingException

use of com.sap.hadoop.windowing.WindowingException in project SQLWindowing by hbutani.

the class WindowFunctionTranslation method validateWindowDefForWFn.

public static void validateWindowDefForWFn(TableFuncDef tFnDef, WindowFunctionDef wFnDef) throws WindowingException {
    WindowDef tWindow = tFnDef.getWindow();
    WindowDef fWindow = wFnDef.getWindow();
    PartitionDef tPart = tWindow == null ? null : tWindow.getPartDef();
    PartitionDef fPart = fWindow == null ? null : fWindow.getPartDef();
    if (!TranslateUtils.isCompatible(tPart, fPart)) {
        throw new WindowingException(sprintf("Window Function '%s' has an incompatible partition clause", wFnDef.getSpec()));
    }
    OrderDef tOrder = tWindow == null ? null : tWindow.getOrderDef();
    OrderDef fOrder = fWindow == null ? null : fWindow.getOrderDef();
    if (!TranslateUtils.isCompatible(tOrder, fOrder)) {
        throw new WindowingException(sprintf("Window Function '%s' has an incompatible order clause", wFnDef.getSpec()));
    }
}

Example 24 with WindowingException

use of com.sap.hadoop.windowing.WindowingException in project SQLWindowing by hbutani.

the class WindowFunctionTranslation method setupEvaluator.

static void setupEvaluator(WindowFunctionDef wFnDef) throws WindowingException {
    try {
        WindowFunctionSpec wSpec = wFnDef.getSpec();
        ArrayList<ArgDef> args = wFnDef.getArgs();
        ArrayList<ObjectInspector> argOIs = getWritableObjectInspector(args);
        GenericUDAFEvaluator wFnEval = org.apache.hadoop.hive.ql.exec.FunctionRegistry.getGenericUDAFEvaluator(wSpec.getName(), argOIs, wSpec.isDistinct(), wSpec.isStar());
        ObjectInspector[] funcArgOIs = null;
        if (args != null) {
            funcArgOIs = new ObjectInspector[args.size()];
            int i = 0;
            for (ArgDef arg : args) {
                funcArgOIs[i++] = arg.getOI();
            }
        }
        ObjectInspector OI = wFnEval.init(GenericUDAFEvaluator.Mode.COMPLETE, funcArgOIs);
        wFnDef.setEvaluator(wFnEval);
        wFnDef.setOI(OI);
    } catch (HiveException he) {
        throw new WindowingException(he);
    }
}

Example 25 with WindowingException

use of com.sap.hadoop.windowing.WindowingException in project SQLWindowing by hbutani.

the class WindowFunctionTranslation method translateWindowSpec.

public static WindowDef translateWindowSpec(QueryDef qDef, InputInfo iInfo, WindowFunctionSpec wFnSpec) throws WindowingException {
    WindowSpec wSpec = wFnSpec.getWindowSpec();
    if (wSpec == null)
        return null;
    WindowFunctionInfo wFnInfo = FunctionRegistry.getWindowFunctionInfo(wFnSpec.getName());
    String desc = wFnSpec.toString();
    if (wSpec != null && !wFnInfo.isSupportsWindow()) {
        throw new WindowingException(sprintf("Function %s doesn't support windowing", desc));
    }
    return WindowSpecTranslation.translateWindowSpecOnInput(qDef, wSpec, iInfo, desc);
}