Exclude full-text search-filter operator tests on the analytics-engine route

The 7 comparison-operator tests in OperatorIT / CalciteOperatorIT use the search-filter
syntax (source=idx age = 32), which lowers to a Lucene query_string predicate. Executing
it on the analytics-engine route fails with a null LuceneReader: query_string needs an
inverted-index searcher, which parquet-backed analytics indices don't have (DataFusion is
not a full-text engine). Full-text search is genuinely unsupported there, so exclude these
tests when tests.analytics.parquet_indices is set, following the established build.gradle
exclusion pattern.

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

Author: ahkcs

integ-test/build.gradle

@@ -1033,6 +1033,20 @@ task integTestRemote(type: RestIntegTestTask) {
     // to the analytics-engine planner via index settings.
     if (System.getProperty("tests.analytics.parquet_indices") != null) {
         systemProperty 'tests.analytics.parquet_indices', System.getProperty("tests.analytics.parquet_indices")
+
+        // Full-text search is unsupported on the analytics-engine route: the search-filter syntax
+        // (`source=idx field=value`) lowers to a Lucene query_string, which needs an inverted-index
+        // reader that parquet-backed analytics indices don't have. Exclude the comparison-operator
+        // tests that rely on it (both OperatorIT and CalciteOperatorIT).
+        filter {
+            excludeTestsMatching '*OperatorIT.testEqualOperator'
+            excludeTestsMatching '*OperatorIT.testNotEqualOperator'
+            excludeTestsMatching '*OperatorIT.testLessOperator'
+            excludeTestsMatching '*OperatorIT.testLteOperator'
+            excludeTestsMatching '*OperatorIT.testGreaterOperator'
+            excludeTestsMatching '*OperatorIT.testGteOperator'
+            excludeTestsMatching '*OperatorIT.testNotOperator'
+        }
     }
 
     // Set default query size limit