Examples with ConstantObjectInspector org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector used on opensource projects

Example 41 with ConstantObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector in project hive by apache.

the class TypeCheckProcFactory method toExprNodeDesc.

static ExprNodeDesc toExprNodeDesc(ColumnInfo colInfo) {
    ObjectInspector inspector = colInfo.getObjectInspector();
    if (inspector instanceof ConstantObjectInspector && inspector instanceof PrimitiveObjectInspector) {
        return toPrimitiveConstDesc(colInfo, inspector);
    }
    if (inspector instanceof ConstantObjectInspector && inspector instanceof ListObjectInspector) {
        ObjectInspector listElementOI = ((ListObjectInspector) inspector).getListElementObjectInspector();
        if (listElementOI instanceof PrimitiveObjectInspector) {
            return toListConstDesc(colInfo, inspector, listElementOI);
        }
    }
    if (inspector instanceof ConstantObjectInspector && inspector instanceof MapObjectInspector) {
        ObjectInspector keyOI = ((MapObjectInspector) inspector).getMapKeyObjectInspector();
        ObjectInspector valueOI = ((MapObjectInspector) inspector).getMapValueObjectInspector();
        if (keyOI instanceof PrimitiveObjectInspector && valueOI instanceof PrimitiveObjectInspector) {
            return toMapConstDesc(colInfo, inspector, keyOI, valueOI);
        }
    }
    if (inspector instanceof ConstantObjectInspector && inspector instanceof StructObjectInspector) {
        boolean allPrimitive = true;
        List<? extends StructField> fields = ((StructObjectInspector) inspector).getAllStructFieldRefs();
        for (StructField field : fields) {
            allPrimitive &= field.getFieldObjectInspector() instanceof PrimitiveObjectInspector;
        }
        if (allPrimitive) {
            return toStructConstDesc(colInfo, inspector, fields);
        }
    }
    // non-constant or non-primitive constants
    ExprNodeColumnDesc column = new ExprNodeColumnDesc(colInfo);
    column.setSkewedCol(colInfo.isSkewedCol());
    return column;
}