use of org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPMod 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.getOutputColumn());
assertTrue(childExpr1 instanceof LongColSubtractLongColumn);
assertEquals(1, childExpr1.getChildExpressions().length);
assertTrue(childExpr1.getChildExpressions()[0] instanceof LongColAddLongColumn);
assertEquals(7, childExpr1.getOutputColumn());
assertEquals(6, childExpr1.getChildExpressions()[0].getOutputColumn());
assertTrue(childExpr2 instanceof LongColMultiplyLongColumn);
assertEquals(1, childExpr2.getChildExpressions().length);
assertTrue(childExpr2.getChildExpressions()[0] instanceof LongColModuloLongColumn);
assertEquals(8, childExpr2.getOutputColumn());
assertEquals(6, childExpr2.getChildExpressions()[0].getOutputColumn());
}
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