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https://issues.apache.org/jira/browse/DRILL-7437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17013877#comment-17013877
]
ASF GitHub Bot commented on DRILL-7437:
---------------------------------------
cgivre commented on pull request #1892: DRILL-7437: Storage Plugin for Generic
HTTP REST API
URL: https://github.com/apache/drill/pull/1892#discussion_r365608221
##########
File path:
contrib/storage-http/src/main/java/org/apache/drill/exec/store/http/HttpGroupScan.java
##########
@@ -0,0 +1,170 @@
+/*
+ * 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.store.http;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+
+import com.fasterxml.jackson.annotation.JacksonInject;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import org.apache.drill.common.expression.SchemaPath;
+
+import org.apache.drill.exec.physical.base.AbstractGroupScan;
+import org.apache.drill.exec.physical.base.GroupScan;
+import org.apache.drill.exec.physical.base.PhysicalOperator;
+import org.apache.drill.exec.physical.base.ScanStats;
+import org.apache.drill.exec.physical.base.ScanStats.GroupScanProperty;
+import org.apache.drill.exec.physical.base.SubScan;
+import org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint;
+import org.apache.drill.exec.store.StoragePluginRegistry;
+import org.apache.drill.shaded.guava.com.google.common.base.MoreObjects;
+import org.apache.drill.shaded.guava.com.google.common.base.Preconditions;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@JsonTypeName("http-scan")
+public class HttpGroupScan extends AbstractGroupScan {
+ private static final Logger logger =
LoggerFactory.getLogger(HttpGroupScan.class);
+
+ private List<SchemaPath> columns;
+ private final HttpScanSpec httpScanSpec;
+ private final HttpStoragePluginConfig config;
+
+ public HttpGroupScan (
+ HttpStoragePluginConfig config,
+ HttpScanSpec scanSpec,
+ List<SchemaPath> columns
+ ) {
+ super("no-user");
+ this.config = config;
+ this.httpScanSpec = scanSpec;
+ this.columns = columns == null || columns.size() == 0 ? ALL_COLUMNS :
columns;
+ }
+
+ public HttpGroupScan(HttpGroupScan that) {
+ super(that);
+ config = that.config();
+ httpScanSpec = that.httpScanSpec();
+ columns = that.getColumns();
+ }
+
+ @JsonCreator
+ public HttpGroupScan(
+ @JsonProperty("config") HttpStoragePluginConfig config,
+ @JsonProperty("columns") List<SchemaPath> columns,
+ @JsonProperty("httpScanSpec") HttpScanSpec httpScanSpec,
+ @JacksonInject StoragePluginRegistry engineRegistry
+ ) {
+ super("no-user");
+ this.config = config;
+ this.columns = columns;
+ this.httpScanSpec = httpScanSpec;
+ }
+
+ @JsonProperty("config")
+ public HttpStoragePluginConfig config() { return config; }
+
+ @JsonProperty("columns")
+ public List<SchemaPath> columns() { return columns; }
+
+ @JsonProperty("httpScanSpec")
+ public HttpScanSpec httpScanSpec() { return httpScanSpec; }
+
+ @Override
+ public void applyAssignments(List<DrillbitEndpoint> endpoints) {
+ logger.debug("HttpGroupScan applyAssignments");
+ }
+
+ @Override
+ @JsonIgnore
+ public int getMaxParallelizationWidth() {
+ return 0;
Review comment:
Fixed
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> Storage Plugin for Generic HTTP REST API
> ----------------------------------------
>
> Key: DRILL-7437
> URL: https://issues.apache.org/jira/browse/DRILL-7437
> Project: Apache Drill
> Issue Type: New Feature
> Reporter: Charles Givre
> Assignee: Charles Givre
> Priority: Minor
> Fix For: Future
>
>
> In many data analytic situations there is a need to obtain reference data
> which is volatile or hosted on a service with a REST API.
> For instance, consider the case of a financial dataset which you want to run
> a currency conversion. Or in the security arena, an organization might have
> a service that returns network information about an IT asset. The goal being
> to enable Drill to quickly incorporate external data that is only accessible
> via REST API.
> This plugin is not intended to be a substitute for dedicated storage plugins
> with systems that use a REST API, such as Apache Solr or ElasticSearch.
> This plugin is based on several projects that were posted on github but never
> completed or submitted to Drill. Posted here for attribution:
> * [https://github.com/kevinlynx/drill-storage-http]
> * [https://github.com/mayunSaicmotor/drill-storage-http]
>
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