OpenSearch migration for SQL/PPL (#1)

* Bump plugin version to 1.15.0

* Migrate gradle and pass all UT

* Rename elasticsearch module

* Rename all classes

* Rename elasticsearch in source code and comments

* Rename elasticsearch in source code and comments

* Rename ES in source code and comments

* Rename elasticsearch module package

* Rename missed elasticsearch and es

* Rename ES class

* Change test index names and pass IT

* Fix broken test UT

* Change doc and pass doctest

* Rename variable and function name

* Rename es in antlr grammar

* Remove unused es config file

* Remove unused file

* Final cleanup

README.md

@@ -8,12 +8,12 @@
 # Open Distro for Elasticsearch SQL
 
 
-Open Distro for Elasticsearch enables you to extract insights out of Elasticsearch using the familiar SQL query syntax. Use aggregations, group by, and where clauses to investigate your data. Read your data as JSON documents or CSV tables so you have the flexibility to use the format that works best for you.
+Open Distro for Elasticsearch enables you to extract insights out of OpenSearch using the familiar SQL query syntax. Use aggregations, group by, and where clauses to investigate your data. Read your data as JSON documents or CSV tables so you have the flexibility to use the format that works best for you.
 
 
 ## SQL Related Projects
 
-The following projects have been merged into this repository as separate folders as of July 9, 2020. Please refer to links below for details. This document will focus on the SQL plugin for Elasticsearch.
+The following projects have been merged into this repository as separate folders as of July 9, 2020. Please refer to links below for details. This document will focus on the SQL plugin for OpenSearch.
 
 * [SQL CLI](https://github.com/opendistro-for-elasticsearch/sql/tree/master/sql-cli)
 * [SQL JDBC](https://github.com/opendistro-for-elasticsearch/sql/tree/master/sql-jdbc)
@@ -33,9 +33,9 @@ Recently we have been actively improving our query engine primarily for better c
 
 ## Setup
 
-Install as plugin: build plugin from source code by following the instruction in Build section and install it to your Elasticsearch.
+Install as plugin: build plugin from source code by following the instruction in Build section and install it to your OpenSearch.
 
-After doing this, you need to restart the Elasticsearch server. Otherwise you may get errors like `Invalid index name [sql], must not start with '']; ","status":400}`.
+After doing this, you need to restart the OpenSearch server. Otherwise you may get errors like `Invalid index name [sql], must not start with '']; ","status":400}`.
 
 
 ## Build
@@ -60,7 +60,7 @@ POST https://<host>:<port>/_opendistro/_sql
 }
 ```
 
-* Explain SQL to elasticsearch query DSL
+* Explain SQL to OpenSearch query DSL
 ```
 POST _opendistro/_sql/_explain
 {

build.gradle

@@ -15,17 +15,23 @@
 
 buildscript {
     ext {
-        es_version = "7.10.2"
+        es_version = "7.10.3-SNAPSHOT"
     }
 
     repositories {
         mavenCentral()
-        maven { url "https://plugins.gradle.org/m2/" }
+        maven {
+            url = 's3://search-vemsarat/'
+            credentials(AwsCredentials) {
+                accessKey = "AKIAUPQMZBE7UNXZ7YU2"
+                secretKey = "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"
+            }
+        }
         jcenter()
     }
 
     dependencies {
-        classpath "org.elasticsearch.gradle:build-tools:${es_version}"
+        classpath "org.opensearch.gradle:build-tools:${es_version}"
     }
 }
 
@@ -43,7 +49,7 @@ repositories {
 }
 
 ext {
-    opendistroVersion = '1.13.0'
+    opendistroVersion = '1.15.0'
     isSnapshot = "true" == System.getProperty("build.snapshot", "true")
 }
 
@@ -55,6 +61,19 @@ allprojects {
     }
 }
 
+subprojects {
+    repositories {
+        mavenCentral()
+        maven {
+            url = 's3://search-vemsarat/'
+            credentials(AwsCredentials) {
+                accessKey = "AKIAUPQMZBE7UNXZ7YU2"
+                secretKey = "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"
+            }
+        }
+    }
+}
+
 // TODO: fix compiler warnings
 compileJava.options.warnings = false
 compileJava {

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/analysis/ExpressionAnalyzer.java

@@ -52,7 +52,6 @@
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionRepository;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionName;
 import com.amazon.opendistroforelasticsearch.sql.expression.window.aggregation.AggregateWindowFunction;
-import com.amazon.opendistroforelasticsearch.sql.expression.window.ranking.RankingWindowFunction;
 import com.google.common.collect.ImmutableSet;
 import java.util.ArrayList;
 import java.util.Arrays;

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/ast/expression/Field.java

@@ -19,7 +19,6 @@
 import com.google.common.collect.ImmutableList;
 import java.util.Collections;
 import java.util.List;
-import lombok.AllArgsConstructor;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.ToString;

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/ast/expression/Interval.java

@@ -16,7 +16,6 @@
 package com.amazon.opendistroforelasticsearch.sql.ast.expression;
 
 import com.amazon.opendistroforelasticsearch.sql.ast.AbstractNodeVisitor;
-import com.google.common.collect.ImmutableList;
 import java.util.Collections;
 import java.util.List;
 import lombok.EqualsAndHashCode;

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/ast/tree/Head.java

@@ -16,7 +16,6 @@
 package com.amazon.opendistroforelasticsearch.sql.ast.tree;
 
 import com.amazon.opendistroforelasticsearch.sql.ast.AbstractNodeVisitor;
-import com.amazon.opendistroforelasticsearch.sql.ast.expression.UnresolvedArgument;
 import com.google.common.collect.ImmutableList;
 import java.util.List;
 import lombok.AllArgsConstructor;

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/ast/tree/RelationSubquery.java

@@ -16,10 +16,8 @@
 package com.amazon.opendistroforelasticsearch.sql.ast.tree;
 
 import com.amazon.opendistroforelasticsearch.sql.ast.AbstractNodeVisitor;
-import com.amazon.opendistroforelasticsearch.sql.exception.SemanticCheckException;
 import com.google.common.collect.ImmutableList;
 import java.util.List;
-import java.util.Locale;
 import lombok.AllArgsConstructor;
 import lombok.EqualsAndHashCode;
 import lombok.RequiredArgsConstructor;

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/data/model/ExprBooleanValue.java

@@ -18,7 +18,6 @@
 import com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType;
 import com.amazon.opendistroforelasticsearch.sql.data.type.ExprType;
 import com.google.common.base.Objects;
-import lombok.EqualsAndHashCode;
 
 /**
  * Expression Boolean Value.

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/data/model/ExprLongValue.java

@@ -17,7 +17,6 @@
 
 import com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType;
 import com.amazon.opendistroforelasticsearch.sql.data.type.ExprType;
-import com.google.common.base.Objects;
 
 /**
  * Expression Long Value.

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/data/model/ExprValue.java

@@ -24,7 +24,6 @@
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
-import java.time.ZonedDateTime;
 import java.time.temporal.TemporalAmount;
 import java.util.List;
 import java.util.Map;

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/data/model/ExprValueUtils.java

@@ -17,12 +17,6 @@
 
 import com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType;
 import com.amazon.opendistroforelasticsearch.sql.exception.ExpressionEvaluationException;
-import com.google.common.annotations.VisibleForTesting;
-import java.time.Instant;
-import java.time.LocalDate;
-import java.time.LocalDateTime;
-import java.time.LocalTime;
-import java.time.ZonedDateTime;
 import java.time.temporal.TemporalAmount;
 import java.util.ArrayList;
 import java.util.LinkedHashMap;

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/aggregation/AggregatorFunction.java

@@ -15,35 +15,26 @@
 
 package com.amazon.opendistroforelasticsearch.sql.expression.aggregation;
 
-import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.ARRAY;
-import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.BOOLEAN;
 import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.DATE;
 import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.DATETIME;
 import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.DOUBLE;
 import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.FLOAT;
 import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.INTEGER;
 import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.LONG;
 import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.STRING;
-import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.STRUCT;
 import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.TIME;
 import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.TIMESTAMP;
 
 import com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType;
-import com.amazon.opendistroforelasticsearch.sql.data.type.ExprType;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionName;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionRepository;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionBuilder;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionName;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionResolver;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionSignature;
 import com.google.common.collect.ImmutableMap;
-
-import java.util.ArrayList;
 import java.util.Collections;
-import java.util.Date;
-import java.util.List;
 import java.util.stream.Collectors;
-
 import lombok.experimental.UtilityClass;
 
 /**

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/aggregation/AvgAggregator.java

@@ -23,7 +23,6 @@
 import com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType;
 import com.amazon.opendistroforelasticsearch.sql.expression.Expression;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionName;
-import com.amazon.opendistroforelasticsearch.sql.storage.bindingtuple.BindingTuple;
 import java.util.List;
 import java.util.Locale;
 

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/aggregation/CountAggregator.java

@@ -23,7 +23,6 @@
 import com.amazon.opendistroforelasticsearch.sql.expression.Expression;
 import com.amazon.opendistroforelasticsearch.sql.expression.aggregation.CountAggregator.CountState;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionName;
-import com.amazon.opendistroforelasticsearch.sql.storage.bindingtuple.BindingTuple;
 import java.util.List;
 import java.util.Locale;
 

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/aggregation/MaxAggregator.java

@@ -22,7 +22,6 @@
 import com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType;
 import com.amazon.opendistroforelasticsearch.sql.expression.Expression;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionName;
-import com.amazon.opendistroforelasticsearch.sql.storage.bindingtuple.BindingTuple;
 import java.util.List;
 
 public class MaxAggregator extends Aggregator<MaxAggregator.MaxState> {

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/aggregation/MinAggregator.java

@@ -22,7 +22,6 @@
 import com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType;
 import com.amazon.opendistroforelasticsearch.sql.expression.Expression;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionName;
-import com.amazon.opendistroforelasticsearch.sql.storage.bindingtuple.BindingTuple;
 import java.util.List;
 
 /**

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/aggregation/NamedAggregator.java

@@ -19,11 +19,8 @@
 
 import com.amazon.opendistroforelasticsearch.sql.data.model.ExprValue;
 import com.amazon.opendistroforelasticsearch.sql.expression.ExpressionNodeVisitor;
-import com.amazon.opendistroforelasticsearch.sql.storage.bindingtuple.BindingTuple;
-import com.google.common.base.Strings;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.ToString;
 
 /**
  * NamedAggregator expression that represents expression with name.

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/aggregation/SumAggregator.java

@@ -33,7 +33,6 @@
 import com.amazon.opendistroforelasticsearch.sql.expression.Expression;
 import com.amazon.opendistroforelasticsearch.sql.expression.aggregation.SumAggregator.SumState;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionName;
-import com.amazon.opendistroforelasticsearch.sql.storage.bindingtuple.BindingTuple;
 import java.util.List;
 import java.util.Locale;
 

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/datetime/DateTimeFormatterUtil.java

@@ -3,7 +3,6 @@
 import com.amazon.opendistroforelasticsearch.sql.data.model.ExprStringValue;
 import com.amazon.opendistroforelasticsearch.sql.data.model.ExprValue;
 import com.google.common.collect.ImmutableMap;
-
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Locale;

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/operator/predicate/UnaryPredicateOperator.java

@@ -17,16 +17,12 @@
 
 import static com.amazon.opendistroforelasticsearch.sql.data.model.ExprValueUtils.LITERAL_NULL;
 import static com.amazon.opendistroforelasticsearch.sql.data.model.ExprValueUtils.LITERAL_TRUE;
-
 import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.BOOLEAN;
-import static com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType.UNKNOWN;
-
 import static com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionDSL.impl;
 
 import com.amazon.opendistroforelasticsearch.sql.data.model.ExprBooleanValue;
 import com.amazon.opendistroforelasticsearch.sql.data.model.ExprValue;
 import com.amazon.opendistroforelasticsearch.sql.data.type.ExprCoreType;
-import com.amazon.opendistroforelasticsearch.sql.data.type.ExprType;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionName;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionRepository;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionBuilder;
@@ -35,7 +31,6 @@
 import com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionResolver;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionSignature;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.SerializableFunction;
-
 import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/text/TextFunction.java

@@ -30,7 +30,6 @@
 import com.amazon.opendistroforelasticsearch.sql.expression.function.BuiltinFunctionRepository;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionName;
 import com.amazon.opendistroforelasticsearch.sql.expression.function.FunctionResolver;
-
 import lombok.experimental.UtilityClass;
 
 

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/planner/logical/LogicalAggregation.java

@@ -21,7 +21,6 @@
 import java.util.List;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 import lombok.ToString;
 
 /**

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/planner/logical/LogicalDedupe.java

@@ -20,7 +20,6 @@
 import java.util.List;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 import lombok.ToString;
 
 /**

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/planner/logical/LogicalEval.java

@@ -21,7 +21,6 @@
 import java.util.List;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 import lombok.ToString;
 import org.apache.commons.lang3.tuple.Pair;
 

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/planner/logical/LogicalFilter.java

@@ -16,12 +16,9 @@
 package com.amazon.opendistroforelasticsearch.sql.planner.logical;
 
 import com.amazon.opendistroforelasticsearch.sql.expression.Expression;
-import java.util.Arrays;
 import java.util.Collections;
-import java.util.List;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 import lombok.ToString;
 
 /**

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/planner/logical/LogicalPlan.java

@@ -16,7 +16,6 @@
 package com.amazon.opendistroforelasticsearch.sql.planner.logical;
 
 import com.amazon.opendistroforelasticsearch.sql.planner.PlanNode;
-import java.util.Collections;
 import java.util.List;
 import lombok.EqualsAndHashCode;
 

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/planner/logical/LogicalRareTopN.java

@@ -17,12 +17,10 @@
 
 import com.amazon.opendistroforelasticsearch.sql.ast.tree.RareTopN.CommandType;
 import com.amazon.opendistroforelasticsearch.sql.expression.Expression;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 import lombok.ToString;
 
 /**

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/planner/logical/LogicalRelation.java

@@ -16,10 +16,8 @@
 package com.amazon.opendistroforelasticsearch.sql.planner.logical;
 
 import com.google.common.collect.ImmutableList;
-import java.util.List;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 import lombok.ToString;
 
 /**

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/planner/logical/LogicalRemove.java

@@ -16,13 +16,10 @@
 package com.amazon.opendistroforelasticsearch.sql.planner.logical;
 
 import com.amazon.opendistroforelasticsearch.sql.expression.ReferenceExpression;
-import java.util.Arrays;
 import java.util.Collections;
-import java.util.List;
 import java.util.Set;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 import lombok.ToString;
 
 /**

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/planner/logical/LogicalRename.java

@@ -17,11 +17,9 @@
 
 import com.amazon.opendistroforelasticsearch.sql.expression.ReferenceExpression;
 import java.util.Collections;
-import java.util.List;
 import java.util.Map;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 import lombok.ToString;
 
 /**