| /* |
| * 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.druid.delta.filter; |
| |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.google.common.collect.ImmutableList; |
| import io.delta.kernel.expressions.Column; |
| import io.delta.kernel.expressions.Predicate; |
| import io.delta.kernel.types.StructType; |
| import org.apache.druid.error.InvalidInput; |
| |
| /** |
| * Druid {@link DeltaFilter} that maps to a Delta predicate of type >= for the supplied column and value. |
| */ |
| public class DeltaGreaterThanOrEqualsFilter implements DeltaFilter |
| { |
| @JsonProperty |
| private final String column; |
| @JsonProperty |
| private final String value; |
| |
| @JsonCreator |
| public DeltaGreaterThanOrEqualsFilter(@JsonProperty("column") final String column, @JsonProperty("value") final String value) |
| { |
| if (column == null) { |
| throw InvalidInput.exception("column is a required field for >= filter."); |
| } |
| if (value == null) { |
| throw InvalidInput.exception( |
| "value is a required field for >= filter. None provided for column[%s].", column |
| ); |
| } |
| this.column = column; |
| this.value = value; |
| } |
| |
| @Override |
| public Predicate getFilterPredicate(StructType snapshotSchema) |
| { |
| return new Predicate( |
| ">=", |
| ImmutableList.of( |
| new Column(column), |
| DeltaFilterUtils.dataTypeToLiteral(snapshotSchema, column, value) |
| ) |
| ); |
| } |
| } |