Examples with GenericUDFOPMinus org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPMinus used on opensource projects

Example 1 with GenericUDFOPMinus

use of org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPMinus in project hive by apache.

the class TestVectorizationContext method testArithmeticExpressionVectorization.

@Test
public void testArithmeticExpressionVectorization() throws HiveException {
    /**
     * Create original expression tree for following
     * (plus (minus (plus col1 col2) col3) (multiply col4 (mod col5 col6)) )
     */
    GenericUDFOPPlus udf1 = new GenericUDFOPPlus();
    GenericUDFOPMinus udf2 = new GenericUDFOPMinus();
    GenericUDFOPMultiply udf3 = new GenericUDFOPMultiply();
    GenericUDFOPPlus udf4 = new GenericUDFOPPlus();
    GenericUDFOPMod udf5 = new GenericUDFOPMod();
    ExprNodeGenericFuncDesc sumExpr = new ExprNodeGenericFuncDesc();
    sumExpr.setTypeInfo(TypeInfoFactory.intTypeInfo);
    sumExpr.setGenericUDF(udf1);
    ExprNodeGenericFuncDesc minusExpr = new ExprNodeGenericFuncDesc();
    minusExpr.setTypeInfo(TypeInfoFactory.intTypeInfo);
    minusExpr.setGenericUDF(udf2);
    ExprNodeGenericFuncDesc multiplyExpr = new ExprNodeGenericFuncDesc();
    multiplyExpr.setTypeInfo(TypeInfoFactory.intTypeInfo);
    multiplyExpr.setGenericUDF(udf3);
    ExprNodeGenericFuncDesc sum2Expr = new ExprNodeGenericFuncDesc();
    sum2Expr.setTypeInfo(TypeInfoFactory.intTypeInfo);
    sum2Expr.setGenericUDF(udf4);
    ExprNodeGenericFuncDesc modExpr = new ExprNodeGenericFuncDesc();
    modExpr.setTypeInfo(TypeInfoFactory.intTypeInfo);
    modExpr.setGenericUDF(udf5);
    ExprNodeColumnDesc col1Expr = new ExprNodeColumnDesc(Long.class, "col1", "table", false);
    ExprNodeColumnDesc col2Expr = new ExprNodeColumnDesc(Long.class, "col2", "table", false);
    ExprNodeColumnDesc col3Expr = new ExprNodeColumnDesc(Long.class, "col3", "table", false);
    ExprNodeColumnDesc col4Expr = new ExprNodeColumnDesc(Long.class, "col4", "table", false);
    ExprNodeColumnDesc col5Expr = new ExprNodeColumnDesc(Long.class, "col5", "table", false);
    ExprNodeColumnDesc col6Expr = new ExprNodeColumnDesc(Long.class, "col6", "table", false);
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>(2);
    List<ExprNodeDesc> children2 = new ArrayList<ExprNodeDesc>(2);
    List<ExprNodeDesc> children3 = new ArrayList<ExprNodeDesc>(2);
    List<ExprNodeDesc> children4 = new ArrayList<ExprNodeDesc>(2);
    List<ExprNodeDesc> children5 = new ArrayList<ExprNodeDesc>(2);
    children1.add(minusExpr);
    children1.add(multiplyExpr);
    sumExpr.setChildren(children1);
    children2.add(sum2Expr);
    children2.add(col3Expr);
    minusExpr.setChildren(children2);
    children3.add(col1Expr);
    children3.add(col2Expr);
    sum2Expr.setChildren(children3);
    children4.add(col4Expr);
    children4.add(modExpr);
    multiplyExpr.setChildren(children4);
    children5.add(col5Expr);
    children5.add(col6Expr);
    modExpr.setChildren(children5);
    VectorizationContext vc = new VectorizationContext("name");
    vc.addInitialColumn("col1");
    vc.addInitialColumn("col2");
    vc.addInitialColumn("col3");
    vc.addInitialColumn("col4");
    vc.addInitialColumn("col5");
    vc.addInitialColumn("col6");
    vc.finishedAddingInitialColumns();
    // Generate vectorized expression
    VectorExpression ve = vc.getVectorExpression(sumExpr, VectorExpressionDescriptor.Mode.PROJECTION);
    // Verify vectorized expression
    assertTrue(ve instanceof LongColAddLongColumn);
    assertEquals(2, ve.getChildExpressions().length);
    VectorExpression childExpr1 = ve.getChildExpressions()[0];
    VectorExpression childExpr2 = ve.getChildExpressions()[1];
    System.out.println(ve.toString());
    assertEquals(6, ve.getOutputColumnNum());
    assertTrue(childExpr1 instanceof LongColSubtractLongColumn);
    assertEquals(1, childExpr1.getChildExpressions().length);
    assertTrue(childExpr1.getChildExpressions()[0] instanceof LongColAddLongColumn);
    assertEquals(7, childExpr1.getOutputColumnNum());
    assertEquals(6, childExpr1.getChildExpressions()[0].getOutputColumnNum());
    assertTrue(childExpr2 instanceof LongColMultiplyLongColumn);
    assertEquals(1, childExpr2.getChildExpressions().length);
    assertTrue(childExpr2.getChildExpressions()[0] instanceof LongColModuloLongColumn);
    assertEquals(8, childExpr2.getOutputColumnNum());
    assertEquals(6, childExpr2.getChildExpressions()[0].getOutputColumnNum());
}

Example 2 with GenericUDFOPMinus

use of org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPMinus in project hive by apache.

the class TestVectorizationContext method testVectorizeScalarColumnExpression.

@Test
public void testVectorizeScalarColumnExpression() throws HiveException {
    GenericUDFOPMinus gudf = new GenericUDFOPMinus();
    List<ExprNodeDesc> children = new ArrayList<ExprNodeDesc>(2);
    ExprNodeConstantDesc constDesc = new ExprNodeConstantDesc(TypeInfoFactory.longTypeInfo, 20);
    ExprNodeColumnDesc colDesc = new ExprNodeColumnDesc(Long.class, "a", "table", false);
    children.add(constDesc);
    children.add(colDesc);
    ExprNodeGenericFuncDesc scalarMinusConstant = new ExprNodeGenericFuncDesc(TypeInfoFactory.longTypeInfo, gudf, children);
    List<String> columns = new ArrayList<String>();
    columns.add("a");
    VectorizationContext vc = new VectorizationContext("name", columns);
    VectorExpression ve = vc.getVectorExpression(scalarMinusConstant, VectorExpressionDescriptor.Mode.PROJECTION);
    assertEquals(ve.getClass(), LongScalarSubtractLongColumn.class);
}