Query Manager (opensearch-project#915)

* Bump prismjs from 1.25.0 to 1.27.0 in /dashboards-observability (opensearch-project#508) (opensearch-project#574)

Bumps [prismjs](https://github.com/PrismJS/prism) from 1.25.0 to 1.27.0.
- [Release notes](https://github.com/PrismJS/prism/releases)
- [Changelog](https://github.com/PrismJS/prism/blob/master/CHANGELOG.md)
- [Commits](PrismJS/prism@v1.25.0...v1.27.0)

---
updated-dependencies:
- dependency-name: prismjs
  dependency-type: indirect
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
(cherry picked from commit b4f491a)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* change to support java 8 in compile and runtime (opensearch-project#575) (opensearch-project#576)

Signed-off-by: Zhongnan Su <szhongna@amazon.com>
(cherry picked from commit 5c43e9d)

Co-authored-by: Zhongnan Su <szhongna@amazon.com>

* Add 1.3.0 release notes (opensearch-project#580) (opensearch-project#582)

Signed-off-by: Eugene Lee <eugenesk@amazon.com>

* query manager

Signed-off-by: Eric Wei <menwe@amazon.com>

* removed aggregations from dimensions

Signed-off-by: Eric Wei <menwe@amazon.com>

* qm improvements

Signed-off-by: Eric Wei <menwe@amazon.com>

* types/code cleanups/error corrections

Signed-off-by: Eric Wei <menwe@amazon.com>

* fixed a undefined issue

Signed-off-by: Eric Wei <menwe@amazon.com>

* qm fixes for query builder

Signed-off-by: Eric Wei <menwe@amazon.com>

* viz timestamp selector

Signed-off-by: Eric Wei <menwe@amazon.com>

* use postinstall for antlr output files

Signed-off-by: Eric Wei <menwe@amazon.com>

* query building fixes

Signed-off-by: Eric Wei <menwe@amazon.com>

* updated snapshots

Signed-off-by: Eric Wei <menwe@amazon.com>

* remove output files

Signed-off-by: Eric Wei <menwe@amazon.com>

* cherry-pick from integration branch

Signed-off-by: Eric Wei <menwe@amazon.com>

* explicitly remove generated files

Signed-off-by: Eric Wei <menwe@amazon.com>

Signed-off-by: Eugene Lee <eugenesk@amazon.com>
Signed-off-by: Eric Wei <menwe@amazon.com>
Co-authored-by: opensearch-trigger-bot[bot] <98922864+opensearch-trigger-bot[bot]@users.noreply.github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Zhongnan Su <szhongna@amazon.com>

dashboards-observability/.gitignore

@@ -4,3 +4,4 @@ build/
 coverage/
 .cypress/screenshots
 .cypress/videos
+common/query_manager/antlr/output

dashboards-observability/common/query_manager/antlr/adaptors/case_insensitive_char_stream.ts

@@ -0,0 +1,60 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { CharStream } from 'antlr4ts';
+
+export class CaseInsensitiveCharStream {
+  private stream: CharStream;
+
+  get index(): number {
+    return this.stream.index;
+  }
+
+  get size(): number {
+    return this.stream.size;
+  }
+
+  get sourceName(): string {
+    return 'pplquery';
+  }
+
+  constructor(stream: CharStream) {
+    this.stream = stream;
+  }
+
+  LA(offset: number): number {
+    const c: number = this.stream.LA(offset);
+    if (c <= 0) {
+      return c;
+    }
+
+    // case insensitivity support for PPL
+    return String.fromCodePoint(c).toUpperCase().codePointAt(0)!;
+  }
+
+  consume(): void {
+    this.stream.consume();
+  }
+
+  mark(): number {
+    return this.stream.mark();
+  }
+
+  release(marker: number): void {
+    this.stream.release(marker);
+  }
+
+  seek(index: number): void {
+    this.stream.seek(index);
+  }
+
+  getText(interval: any): string {
+    return this.stream.getText(interval);
+  }
+
+  toString(): string {
+    return this.stream.toString();
+  }
+}