fix CONTAINSANY index use for lists of embedded documents (#3051)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: gramian

engine/src/main/java/com/arcadedb/query/sql/parser/ContainsAnyCondition.java

@@ -206,11 +206,31 @@ protected SimpleNode[] getCacheableElements() {
 
   @Override
   public boolean isIndexAware(final IndexSearchInfo info) {
+    // For nested properties like "tags.id", we need to handle the case where isBaseIdentifier() returns false
+    // due to the presence of a suffix/modifier. We'll check both cases:
+    // 1. Simple identifiers: left.isBaseIdentifier() == true (e.g., "tags")
+    // 2. Nested identifiers: Compare the full string representation (e.g., "tags.id")
+
+    String fieldName = null;
+
     if (left.isBaseIdentifier()) {
-      if (info.getField().equals(left.getDefaultAlias().getStringValue())) {
-        return right.isEarlyCalculated(info.getContext());
+      // Simple identifier - use default alias
+      fieldName = left.getDefaultAlias().getStringValue();
+    } else {
+      // Might be a nested property - try using the string representation
+      String leftStr = left.toString();
+      // Check if this looks like a simple property path (alphanumeric with dots)
+      if (leftStr.matches("[a-zA-Z_][a-zA-Z0-9_.]*")) {
+        fieldName = leftStr;
       }
     }
+
+    if (fieldName != null && info.getField().equals(fieldName)) {
+      // CONTAINSANY operator only works with BY-ITEM indexes, not regular list indexes
+      if (info.isIndexByItem() && right != null)
+        return right.isEarlyCalculated(info.getContext());
+    }
+
     return false;
   }
 

engine/src/test/java/com/arcadedb/index/EmbeddedListIndexByItemTest.java

@@ -150,7 +150,7 @@ void listOfEmbeddedDocumentIndexByItem() {
       database.command("sql", "INSERT INTO doc SET nums = [{'@type':'num','a':1},{'@type':'num','a':2}]");
     });
 
-    // Query the indexed data
+    // Query the indexed data via CONTAINS
     database.transaction(() -> {
       ResultSet result = database.query("sql", "SELECT FROM doc WHERE nums.a CONTAINS 1");
       long count = result.stream().count();
@@ -161,5 +161,17 @@ void listOfEmbeddedDocumentIndexByItem() {
           .next().getProperty("executionPlan").toString();
       assertThat(explain).contains("FETCH FROM INDEX");
     });
+
+    // Query the indexed data via CONTAINSANY
+    database.transaction(() -> {
+      ResultSet result = database.query("sql", "SELECT FROM doc WHERE nums.a CONTAINSANY [1]");
+      long count = result.stream().count();
+      assertThat(count).isEqualTo(1);
+
+      // Verify index is being used
+      String explain = database.query("sql", "EXPLAIN SELECT FROM doc WHERE nums.a CONTAINSANY [1]")
+          .next().getProperty("executionPlan").toString();
+      assertThat(explain).contains("FETCH FROM INDEX");
+    });
   }
 }