diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprColumnNull.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprColumnNull.java index 8cae274..9cc8d33 100644 --- a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprColumnNull.java +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprColumnNull.java @@ -40,9 +40,9 @@ public IfExprColumnNull(int arg1Column, int arg2Column, int outputColumn) { public void evaluate(VectorizedRowBatch batch) { if (childExpressions != null) { - super.evaluateChildren(batch); + int[] indexes = {this.arg1Column, this.arg2Column}; + IfVectorExpression.evaluateIfChildren(batch, childExpressions, indexes); } - final LongColumnVector arg1ColVector = (LongColumnVector) batch.cols[arg1Column]; final ColumnVector arg2ColVector = batch.cols[arg2Column]; final ColumnVector outputColVector = batch.cols[outputColumn]; diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprDoubleColumnDoubleColumn.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprDoubleColumnDoubleColumn.java index 514b453..cbe86aa 100644 --- a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprDoubleColumnDoubleColumn.java +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprDoubleColumnDoubleColumn.java @@ -48,7 +48,8 @@ public IfExprDoubleColumnDoubleColumn() { public void evaluate(VectorizedRowBatch batch) { if (childExpressions != null) { - super.evaluateChildren(batch); + int[] indexes = {this.arg1Column, this.arg2Column, this.arg3Column}; + IfVectorExpression.evaluateIfChildren(batch, childExpressions, indexes); } LongColumnVector arg1ColVector = (LongColumnVector) batch.cols[arg1Column]; diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprIntervalDayTimeColumnColumn.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprIntervalDayTimeColumnColumn.java index 98fa29e..e6bc1ff 100644 --- a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprIntervalDayTimeColumnColumn.java +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprIntervalDayTimeColumnColumn.java @@ -48,7 +48,8 @@ public IfExprIntervalDayTimeColumnColumn() { public void evaluate(VectorizedRowBatch batch) { if (childExpressions != null) { - super.evaluateChildren(batch); + int[] indexes = {this.arg1Column, this.arg2Column, this.arg3Column}; + IfVectorExpression.evaluateIfChildren(batch, childExpressions, indexes); } LongColumnVector arg1ColVector = (LongColumnVector) batch.cols[arg1Column]; diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprLongColumnLongColumn.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprLongColumnLongColumn.java index 4c6015e..57e9055 100644 --- a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprLongColumnLongColumn.java +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprLongColumnLongColumn.java @@ -47,7 +47,8 @@ public IfExprLongColumnLongColumn() { public void evaluate(VectorizedRowBatch batch) { if (childExpressions != null) { - super.evaluateChildren(batch); + int[] indexes = {this.arg1Column, this.arg2Column, this.arg3Column}; + IfVectorExpression.evaluateIfChildren(batch, childExpressions, indexes); } LongColumnVector arg1ColVector = (LongColumnVector) batch.cols[arg1Column]; diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprNullColumn.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprNullColumn.java index 156fcc4..34a9ebc 100644 --- a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprNullColumn.java +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprNullColumn.java @@ -40,7 +40,8 @@ public IfExprNullColumn(int arg1Column, int arg2Column, int outputColumn) { public void evaluate(VectorizedRowBatch batch) { if (childExpressions != null) { - super.evaluateChildren(batch); + int[] indexes = {this.arg1Column, this.arg2Column}; + IfVectorExpression.evaluateIfChildren(batch, childExpressions, indexes); } final LongColumnVector arg1ColVector = (LongColumnVector) batch.cols[arg1Column]; diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprStringGroupColumnStringGroupColumn.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprStringGroupColumnStringGroupColumn.java index c8367c6..b6d08e1 100644 --- a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprStringGroupColumnStringGroupColumn.java +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprStringGroupColumnStringGroupColumn.java @@ -51,7 +51,8 @@ public IfExprStringGroupColumnStringGroupColumn() { public void evaluate(VectorizedRowBatch batch) { if (childExpressions != null) { - super.evaluateChildren(batch); + int[] indexes = {this.arg1Column, this.arg2Column, this.arg3Column}; + IfVectorExpression.evaluateIfChildren(batch,childExpressions,indexes); } LongColumnVector arg1ColVector = (LongColumnVector) batch.cols[arg1Column]; diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprTimestampColumnColumnBase.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprTimestampColumnColumnBase.java index 8219b3c..8e5e35b 100644 --- a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprTimestampColumnColumnBase.java +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfExprTimestampColumnColumnBase.java @@ -47,7 +47,8 @@ public IfExprTimestampColumnColumnBase() { public void evaluate(VectorizedRowBatch batch) { if (childExpressions != null) { - super.evaluateChildren(batch); + int[] indexes = {this.arg1Column, this.arg2Column, this.arg3Column}; + IfVectorExpression.evaluateIfChildren(batch, childExpressions, indexes); } LongColumnVector arg1ColVector = (LongColumnVector) batch.cols[arg1Column]; diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfVectorExpression.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfVectorExpression.java new file mode 100644 index 0000000..1d154d5 --- /dev/null +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/IfVectorExpression.java @@ -0,0 +1,138 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.hadoop.hive.ql.exec.vector.expressions; + + +import org.apache.hadoop.hive.ql.exec.vector.LongColumnVector; +import org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch; + +public class IfVectorExpression { + public static int[][] else_flag; + public static int[] else_sel; + public static int else_count; + public static int flag = 0; + public static int[] pre_sel; + public static int size; + public static boolean selectInUse; + + public static void evaluateIfChildren(VectorizedRowBatch batch, VectorExpression[] childExpressions, int[] indexes) { + flag++; + if (flag == 1) { + else_flag = new int[VectorizedRowBatch.DEFAULT_SIZE][VectorizedRowBatch.DEFAULT_SIZE]; + else_sel = new int[VectorizedRowBatch.DEFAULT_SIZE]; + else_count = 0; + pre_sel = batch.selected; + size = batch.size; + selectInUse = batch.selectedInUse; + } + if (childExpressions != null) { + int length = childExpressions.length; + if (length == 1) { + evaluateConditionalChild(batch, childExpressions[0]); + } else { + for (int i = 0; i + 1 < length; i += 2) { + if (i % 2 == 0) { + VectorExpression ve = childExpressions[i]; + evaluateConditionalChild(batch, ve); + int count = i; + ve = childExpressions[count + 1]; + if (ve.getOutputColumn() == indexes[count + 1]) { + ve.evaluate(batch); + } else if (ve.getChildExpressions() != null) { + evaluateMoreChild(batch, ve); + } else { + evaluateElseChild(batch, ve); + } + } else { + break; + } + + } + + if (length % 2 == 1) { + VectorExpression ve = childExpressions[length - 1]; + if (ve.getChildExpressions() == null) { + // deal else case + evaluateElseChild(batch, ve); + } else { + // deal more than one case when + evaluateMoreChild(batch, ve); + } + } + } + batch.size = size; + batch.selectedInUse = selectInUse; + batch.selected = pre_sel; + flag--; + } + } + + public static void evaluateMoreChild(VectorizedRowBatch batch, VectorExpression ve) { + batch.size = size; + batch.selectedInUse = selectInUse; + batch.selected = pre_sel; + ve.evaluate(batch); + } + + public static void evaluateConditionalChild(VectorizedRowBatch batch, VectorExpression ve) { + batch.size = size; + batch.selectedInUse = selectInUse; + int colNum = ve.getOutputColumn(); + ve.evaluate(batch); + LongColumnVector outputColVector = (LongColumnVector) batch.cols[colNum]; + long[] flag = outputColVector.vector; + int[] sel = batch.selected; + int n = batch.size; + int newSize = 0; + for (int j = 0; j < n; j++) { + if (flag[j] == 1) { + sel[newSize++] = j; + } else { + else_flag[else_count][j] = 1; + } + } + else_count++; + if (newSize < n) { + batch.size = newSize; + batch.selectedInUse = true; + } + } + + public static void evaluateElseChild(VectorizedRowBatch batch, VectorExpression ve) { + int newSize = 0; + for (int i = 0; i < size; i++) { + int flag = 0; + for (int j = 0; j < else_count; j++) { + if (else_flag[j][i] == 0) { + flag = 1; + break; + } + } + if (flag == 0) { + else_sel[newSize++] = i; + } + } + if (newSize < size) { + batch.size = newSize; + batch.selectedInUse = true; + } + batch.selected = else_sel; + ve.evaluate(batch); + } +} + diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/udf/VectorUDFAdaptor.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/udf/VectorUDFAdaptor.java index 14ba646..a08dab9 100644 --- a/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/udf/VectorUDFAdaptor.java +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/udf/VectorUDFAdaptor.java @@ -27,10 +27,7 @@ import org.apache.hadoop.hive.ql.exec.MapredContext; import org.apache.hadoop.hive.ql.exec.UDFArgumentException; import org.apache.hadoop.hive.ql.exec.vector.*; -import org.apache.hadoop.hive.ql.exec.vector.expressions.StringExpr; -import org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression; -import org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpressionWriter; -import org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpressionWriterFactory; +import org.apache.hadoop.hive.ql.exec.vector.expressions.*; import org.apache.hadoop.hive.ql.metadata.HiveException; import org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc; import org.apache.hadoop.hive.ql.udf.generic.GenericUDF; @@ -123,11 +120,17 @@ public void evaluate(VectorizedRowBatch batch) { throw new RuntimeException(e); } } - if (childExpressions != null) { - super.evaluateChildren(batch); + if (genericUDF.getUdfName().equals("org.apache.hadoop.hive.ql.udf.generic.GenericUDFIf")) { + int[] indexes = new int[childrenOIs.length]; + for (int i = 0; i < childrenOIs.length; i++) { + indexes[i] = argDescs[i].getColumnNum(); + } + IfVectorExpression.evaluateIfChildren(batch, childExpressions, indexes); + } else { + super.evaluateChildren(batch); + } } - int[] sel = batch.selected; int n = batch.size; ColumnVector outV = batch.cols[outputColumn];