not function implementation
Project: http://git-wip-us.apache.org/repos/asf/incubator-drill/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-drill/commit/ca58de14 Tree: http://git-wip-us.apache.org/repos/asf/incubator-drill/tree/ca58de14 Diff: http://git-wip-us.apache.org/repos/asf/incubator-drill/diff/ca58de14 Branch: refs/heads/master Commit: ca58de14810c7556c507dd1013aa488f0cafb6bb Parents: 8e2b950 Author: Steven Phillips <[email protected]> Authored: Wed Apr 2 15:02:01 2014 -0700 Committer: Jacques Nadeau <[email protected]> Committed: Sat Apr 19 18:07:10 2014 -0700 ---------------------------------------------------------------------- .../org/apache/drill/exec/expr/fn/impl/Not.java | 57 ++++++++++++++++++++ 1 file changed, 57 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/ca58de14/exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/Not.java ---------------------------------------------------------------------- diff --git a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/Not.java b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/Not.java new file mode 100644 index 0000000..db33247 --- /dev/null +++ b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/Not.java @@ -0,0 +1,57 @@ +/** + * 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.FunctionTemplate.NullHandling; +import org.apache.drill.exec.expr.annotations.Output; +import org.apache.drill.exec.expr.annotations.Param; +import org.apache.drill.exec.expr.holders.BitHolder; +import org.apache.drill.exec.expr.holders.NullableBitHolder; +import org.apache.drill.exec.record.RecordBatch; + +public class Not { + + @FunctionTemplate(names = {"not"}, scope = FunctionTemplate.FunctionScope.SIMPLE, nulls = NullHandling.NULL_IF_NULL) + public static class Optional implements DrillSimpleFunc { + + @Param NullableBitHolder in; + @Output BitHolder out; + + public void setup(RecordBatch incoming) { } + + public void eval() { + out.value = (in.value == 0 ? 1 : 0); + } + } + + @FunctionTemplate(names = {"not"}, scope = FunctionTemplate.FunctionScope.SIMPLE, nulls = FunctionTemplate.NullHandling.INTERNAL) + public static class Required implements DrillSimpleFunc { + + @Param BitHolder in; + @Output BitHolder out; + + public void setup(RecordBatch incoming) { } + + public void eval() { + out.value = in.value == 0 ? 1 : 0; + } + } +} \ No newline at end of file
