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/*
* 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.drill.exec.expr.fn.impl;
import org.apache.drill.exec.expr.DrillSimpleFunc;
import org.apache.drill.exec.expr.annotations.FunctionTemplate;
import org.apache.drill.exec.expr.annotations.Output;
import org.apache.drill.exec.expr.annotations.Param;
import org.apache.drill.exec.expr.annotations.Workspace;
import org.apache.drill.exec.expr.holders.BigIntHolder;
import org.apache.drill.exec.expr.holders.BitHolder;
import org.apache.drill.exec.expr.holders.Float4Holder;
import org.apache.drill.exec.expr.holders.Float8Holder;
import org.apache.drill.exec.expr.holders.IntHolder;
import org.apache.drill.exec.expr.holders.RepeatedBigIntHolder;
import org.apache.drill.exec.expr.holders.RepeatedBitHolder;
import org.apache.drill.exec.expr.holders.RepeatedFloat4Holder;
import org.apache.drill.exec.expr.holders.RepeatedFloat8Holder;
import org.apache.drill.exec.expr.holders.RepeatedIntHolder;
import org.apache.drill.exec.expr.holders.RepeatedTinyIntHolder;
import org.apache.drill.exec.expr.holders.RepeatedVarCharHolder;
import org.apache.drill.exec.expr.holders.TinyIntHolder;
import org.apache.drill.exec.expr.holders.VarCharHolder;
public class SimpleRepeatedFunctions {
private SimpleRepeatedFunctions() {
}
@FunctionTemplate(name = "repeated_contains", scope = FunctionTemplate.FunctionScope.SIMPLE)
public static class ContainsBigInt implements DrillSimpleFunc {
@Param RepeatedBigIntHolder listToSearch;
@Param BigIntHolder targetValue;
@Output BitHolder out;
public void setup() {
}
public void eval() {
out.value = 0;
for (int i = listToSearch.start; i < listToSearch.end; i++) {
if (listToSearch.vector.getAccessor().get(i) == targetValue.value) {
out.value = 1;
break;
}
}
}
}
@FunctionTemplate(name = "repeated_contains", scope = FunctionTemplate.FunctionScope.SIMPLE)
public static class ContainsInt implements DrillSimpleFunc {
@Param RepeatedIntHolder listToSearch;
@Param IntHolder targetValue;
@Output BitHolder out;
public void setup() {
}
public void eval() {
out.value = 0;
for (int i = listToSearch.start; i < listToSearch.end; i++) {
if (listToSearch.vector.getAccessor().get(i) == targetValue.value) {
out.value = 1;
break;
}
}
}
}
@FunctionTemplate(name = "repeated_contains", scope = FunctionTemplate.FunctionScope.SIMPLE)
public static class ContainsTinyInt implements DrillSimpleFunc {
@Param RepeatedTinyIntHolder listToSearch;
@Param TinyIntHolder targetValue;
@Output BitHolder out;
public void setup() {
}
public void eval() {
for (int i = listToSearch.start; i < listToSearch.end; i++) {
if (listToSearch.vector.getAccessor().get(i) == targetValue.value) {
out.value = 1;
break;
}
}
}
}
@FunctionTemplate(name = "repeated_contains", scope = FunctionTemplate.FunctionScope.SIMPLE)
public static class ContainsBit implements DrillSimpleFunc {
@Param RepeatedBitHolder listToSearch;
@Param BitHolder targetValue;
@Output BitHolder out;
public void setup() {
}
public void eval() {
out.value = 0;
for (int i = listToSearch.start; i < listToSearch.end; i++) {
if (listToSearch.vector.getAccessor().get(i) == targetValue.value) {
out.value = 1;
break;
}
}
}
}
@FunctionTemplate(name = "repeated_contains", scope = FunctionTemplate.FunctionScope.SIMPLE)
public static class ContainsFloat4 implements DrillSimpleFunc {
@Param RepeatedFloat4Holder listToSearch;
@Param Float4Holder targetValue;
@Output BitHolder out;
public void setup() {
}
public void eval() {
out.value = 0;
for (int i = listToSearch.start; i < listToSearch.end; i++) {
if (listToSearch.vector.getAccessor().get(i) == targetValue.value) {
out.value = 1;
break;
}
}
}
}
@FunctionTemplate(name = "repeated_contains", scope = FunctionTemplate.FunctionScope.SIMPLE)
public static class ContainsFloat8 implements DrillSimpleFunc {
@Param RepeatedFloat8Holder listToSearch;
@Param Float8Holder targetValue;
@Output BitHolder out;
public void setup() {
}
public void eval() {
out.value = 0;
for (int i = listToSearch.start; i < listToSearch.end; i++) {
if (listToSearch.vector.getAccessor().get(i) == targetValue.value) {
out.value = 1;
break;
}
}
}
}
@FunctionTemplate(name = "repeated_contains", scope = FunctionTemplate.FunctionScope.SIMPLE)
public static class ContainsVarChar implements DrillSimpleFunc {
@Param RepeatedVarCharHolder listToSearch;
@Param VarCharHolder targetValue;
@Workspace VarCharHolder currVal;
@Workspace java.util.regex.Matcher matcher;
@Workspace org.apache.drill.exec.expr.fn.impl.CharSequenceWrapper charSequenceWrapper;
@Output BitHolder out;
public void setup() {
currVal = new VarCharHolder();
matcher = java.util.regex.Pattern.compile(
org.apache.drill.exec.expr.fn.impl.StringFunctionHelpers.toStringFromUTF8(targetValue.start, targetValue.end, targetValue.buffer)).matcher("");
charSequenceWrapper = new org.apache.drill.exec.expr.fn.impl.CharSequenceWrapper();
matcher.reset(charSequenceWrapper);
}
public void eval() {
for (int i = listToSearch.start; i < listToSearch.end; i++) {
out.value = 0;
listToSearch.vector.getAccessor().get(i, currVal);
charSequenceWrapper.setBuffer(currVal.start, currVal.end, currVal.buffer);
// Reusing same charSequenceWrapper, no need to pass it in.
// This saves one method call since reset(CharSequence) calls reset()
matcher.reset();
if(matcher.find()) {
out.value = 1;
break;
}
}
}
}
}
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