-
Notifications
You must be signed in to change notification settings - Fork 302
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Extended QPT to athena-hbase (#1876)
- Loading branch information
1 parent
e3fd3d1
commit 69a64b3
Showing
3 changed files
with
192 additions
and
7 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
92 changes: 92 additions & 0 deletions
92
...-hbase/src/main/java/com/amazonaws/athena/connectors/hbase/qpt/HbaseQueryPassthrough.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| /*- | ||
| * #%L | ||
| * athena-hbase | ||
| * %% | ||
| * Copyright (C) 2019 - 2024 Amazon Web Services | ||
| * %% | ||
| * Licensed 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. | ||
| * #L% | ||
| */ | ||
| package com.amazonaws.athena.connectors.hbase.qpt; | ||
|
|
||
| import com.amazonaws.athena.connector.lambda.metadata.optimizations.querypassthrough.QueryPassthroughSignature; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| public final class HbaseQueryPassthrough implements QueryPassthroughSignature | ||
| { | ||
| private static final Logger LOGGER = LoggerFactory.getLogger(HbaseQueryPassthrough.class); | ||
|
|
||
| // Constant value representing the name of the query. | ||
| public static final String NAME = "query"; | ||
|
|
||
| // Constant value representing the domain of the query. | ||
| public static final String SCHEMA_NAME = "system"; | ||
|
|
||
| // List of arguments for the query, statically initialized as it always contains the same value. | ||
| public static final String DATABASE = "DATABASE"; | ||
| public static final String COLLECTION = "COLLECTION"; | ||
| public static final String FILTER = "FILTER"; | ||
|
|
||
| @Override | ||
| public String getFunctionSchema() | ||
| { | ||
| return SCHEMA_NAME; | ||
| } | ||
|
|
||
| @Override | ||
| public String getFunctionName() | ||
| { | ||
| return NAME; | ||
| } | ||
|
|
||
| @Override | ||
| public List<String> getFunctionArguments() | ||
| { | ||
| return Arrays.asList(DATABASE, COLLECTION, FILTER); | ||
| } | ||
|
|
||
| @Override | ||
| public Logger getLogger() | ||
| { | ||
| return LOGGER; | ||
| } | ||
| /** | ||
| * verify that the arguments returned by the engine are the same that the connector defined. | ||
| * In the parent class verify function, all argument values are mandatory. However, in the overridden function, | ||
| * we've removed the condition that checks whether the HBase FILTER argument value is empty. This modification | ||
| * allows for the possibility of an empty FILTER argument value without triggering an exception. | ||
| * @param engineQptArguments | ||
| * @throws IllegalArgumentException | ||
| */ | ||
| @Override | ||
| public void verify(Map<String, String> engineQptArguments) | ||
| throws IllegalArgumentException | ||
| { | ||
| //High-level Query Passthrough Function Argument verification | ||
| //First verifies that these arguments belong to this specific function | ||
| if (!verifyFunctionSignature(engineQptArguments)) { | ||
| throw new IllegalArgumentException("Function Signature doesn't match implementation's"); | ||
| } | ||
| //Ensuring the arguments received from the engine are the one defined by the connector | ||
| for (String argument : this.getFunctionArguments()) { | ||
| if (!engineQptArguments.containsKey(argument)) { | ||
| throw new IllegalArgumentException("Missing Query Passthrough Argument: " + argument); | ||
| } | ||
| } | ||
| } | ||
| } |