Add commons-text to analytics-engine ZIP and fix isAnalyticsIndex NPE

commons-text is needed by Calcite (parent classloader) for fuzzy matching
but was only in the SQL plugin (child classloader). Also use lightweight
parsing context in isAnalyticsIndex to avoid requiring cluster state.

Signed-off-by: Kai Huang <ahkcs@amazon.com>

Author: ahkcs

libs/analytics-engine-3.6.0-SNAPSHOT.zip

@@ -77,6 +77,7 @@ bundlePlugin {
     exclude 'memory-0*.jar'
     exclude 'sketches-core-*.jar'
     exclude 'commons-lang3-*.jar'
+    exclude 'commons-text-*.jar'
     exclude 'commons-math3-*.jar'
     exclude 'commons-dbcp2-*.jar'
     exclude 'commons-io-*.jar'

plugin/build.gradle

@@ -75,7 +75,7 @@ public boolean isAnalyticsIndex(String query, QueryType queryType) {
     if (query == null || query.isEmpty()) {
       return false;
     }
-    try (UnifiedQueryContext context = buildContext(queryType, false)) {
+    try (UnifiedQueryContext context = buildParsingContext(queryType)) {
       String indexName = extractIndexName(query, context);
       if (indexName == null) {
         return false;
@@ -156,6 +156,14 @@ private void doExplain(
     }
   }
 
+  /**
+   * Build a lightweight context for parsing only (index name extraction). Does not require cluster
+   * state or catalog schema.
+   */
+  private static UnifiedQueryContext buildParsingContext(QueryType queryType) {
+    return UnifiedQueryContext.builder().language(queryType).build();
+  }
+
   private UnifiedQueryContext buildContext(QueryType queryType, boolean profiling) {
     return UnifiedQueryContext.builder()
         .language(queryType)