This is an automated email from the ASF dual-hosted git repository.
jackietien pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/tsfile.git
The following commit(s) were added to refs/heads/develop by this push:
new 4f25d221 add the FalseLiteralFilter that filter out all the rows.
(#665)
4f25d221 is described below
commit 4f25d221a3bf5057ce8839806e0b4c3699b53bb4
Author: alpass163 <[email protected]>
AuthorDate: Tue Dec 16 16:28:00 2025 +0800
add the FalseLiteralFilter that filter out all the rows. (#665)
---
.../apache/tsfile/read/filter/basic/Filter.java | 3 +
.../tsfile/read/filter/basic/OperatorType.java | 3 +
.../read/filter/operator/FalseLiteralFilter.java | 167 +++++++++++++++++++++
3 files changed, 173 insertions(+)
diff --git
a/java/tsfile/src/main/java/org/apache/tsfile/read/filter/basic/Filter.java
b/java/tsfile/src/main/java/org/apache/tsfile/read/filter/basic/Filter.java
index 3bffa189..5cac76db 100755
--- a/java/tsfile/src/main/java/org/apache/tsfile/read/filter/basic/Filter.java
+++ b/java/tsfile/src/main/java/org/apache/tsfile/read/filter/basic/Filter.java
@@ -28,6 +28,7 @@ import org.apache.tsfile.read.filter.factory.ValueFilterApi;
import org.apache.tsfile.read.filter.operator.And;
import org.apache.tsfile.read.filter.operator.ExtractTimeFilterOperators;
import org.apache.tsfile.read.filter.operator.ExtractValueFilterOperators;
+import org.apache.tsfile.read.filter.operator.FalseLiteralFilter;
import org.apache.tsfile.read.filter.operator.GroupByFilter;
import org.apache.tsfile.read.filter.operator.GroupByMonthFilter;
import org.apache.tsfile.read.filter.operator.Not;
@@ -249,6 +250,8 @@ public abstract class Filter {
return new Or(buffer);
case NOT:
return new Not(buffer);
+ case FALSE_LITERAL:
+ return new FalseLiteralFilter();
case EXTRACT_TIME_EQ:
return new ExtractTimeFilterOperators.ExtractTimeEq(buffer);
case EXTRACT_TIME_NEQ:
diff --git
a/java/tsfile/src/main/java/org/apache/tsfile/read/filter/basic/OperatorType.java
b/java/tsfile/src/main/java/org/apache/tsfile/read/filter/basic/OperatorType.java
index d898e009..85452db0 100644
---
a/java/tsfile/src/main/java/org/apache/tsfile/read/filter/basic/OperatorType.java
+++
b/java/tsfile/src/main/java/org/apache/tsfile/read/filter/basic/OperatorType.java
@@ -67,6 +67,9 @@ public enum OperatorType {
VALUE_IS_NULL("IS NULL"),
VALUE_IS_NOT_NULL("IS NOT NULL"),
+ // all rows not match
+ FALSE_LITERAL("FALSE_LITERAL"),
+
// extract comparison
EXTRACT_TIME_EQ("="),
EXTRACT_TIME_NEQ("!="),
diff --git
a/java/tsfile/src/main/java/org/apache/tsfile/read/filter/operator/FalseLiteralFilter.java
b/java/tsfile/src/main/java/org/apache/tsfile/read/filter/operator/FalseLiteralFilter.java
new file mode 100644
index 00000000..cf993697
--- /dev/null
+++
b/java/tsfile/src/main/java/org/apache/tsfile/read/filter/operator/FalseLiteralFilter.java
@@ -0,0 +1,167 @@
+/*
+ * 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.tsfile.read.filter.operator;
+
+import org.apache.tsfile.file.metadata.IMetadata;
+import org.apache.tsfile.read.common.TimeRange;
+import org.apache.tsfile.read.common.block.TsBlock;
+import org.apache.tsfile.read.filter.basic.Filter;
+import org.apache.tsfile.read.filter.basic.OperatorType;
+import org.apache.tsfile.utils.Binary;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+
+public class FalseLiteralFilter extends Filter {
+ @Override
+ public boolean satisfy(long time, Object value) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyBoolean(long time, boolean value) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyInteger(long time, int value) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyLong(long time, long value) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyFloat(long time, float value) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyDouble(long time, double value) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyBinary(long time, Binary value) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyString(long time, String value) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyRow(long time, Object[] values) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyBooleanRow(long time, boolean[] values) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyIntegerRow(long time, int[] values) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyLongRow(long time, long[] values) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyFloatRow(long time, float[] values) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyDoubleRow(long time, double[] values) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyBinaryRow(long time, Binary[] values) {
+ return false;
+ }
+
+ @Override
+ public boolean[] satisfyTsBlock(TsBlock tsBlock) {
+ return new boolean[tsBlock.getPositionCount()];
+ }
+
+ @Override
+ public boolean[] satisfyTsBlock(boolean[] selection, TsBlock tsBlock) {
+ return new boolean[selection.length];
+ }
+
+ @Override
+ public boolean canSkip(IMetadata metadata) {
+ return true;
+ }
+
+ @Override
+ public boolean allSatisfy(IMetadata metadata) {
+ return false;
+ }
+
+ @Override
+ public boolean satisfyStartEndTime(long startTime, long endTime) {
+ return false;
+ }
+
+ @Override
+ public boolean containStartEndTime(long startTime, long endTime) {
+ return false;
+ }
+
+ @Override
+ public List<TimeRange> getTimeRanges() {
+
+ return Collections.emptyList();
+ }
+
+ @Override
+ public Filter reverse() {
+ return null;
+ }
+
+ @Override
+ public OperatorType getOperatorType() {
+ return OperatorType.FALSE_LITERAL;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ return o instanceof FalseLiteralFilter;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(FalseLiteralFilter.class);
+ }
+}
