diff --git a/testing/trino-testing/src/main/java/io/trino/testing/BaseConnectorTest.java b/testing/trino-testing/src/main/java/io/trino/testing/BaseConnectorTest.java
index 43475addf41a..589d8269d9d7 100644
--- a/testing/trino-testing/src/main/java/io/trino/testing/BaseConnectorTest.java
+++ b/testing/trino-testing/src/main/java/io/trino/testing/BaseConnectorTest.java
@@ -3993,7 +3993,7 @@ private void testDataMapping(DataMappingTestSetup dataMappingTestSetup)
             // TODO test with both CTAS *and* CREATE TABLE + INSERT, since they use different connector API methods.
             String createTable = "" +
                     "CREATE TABLE " + tableName + " AS " +
-                    "SELECT CAST(row_id AS varchar(50)) row_id, CAST(value AS " + trinoTypeName + ") value " +
+                    "SELECT CAST(row_id AS varchar(50)) row_id, CAST(value AS " + trinoTypeName + ") value, CAST(value AS " + trinoTypeName + ") another_column " +
                     "FROM (VALUES " +
                     "  ('null value', NULL), " +
                     "  ('sample value', " + sampleValueLiteral + "), " +
@@ -4028,6 +4028,9 @@ private void testDataMapping(DataMappingTestSetup dataMappingTestSetup)
         assertQuery("SELECT row_id FROM " + tableName + " WHERE value IS NULL OR value > " + sampleValueLiteral, "VALUES 'null value', 'high value'");
         assertQuery("SELECT row_id FROM " + tableName + " WHERE value IS NULL OR value <= " + highValueLiteral, "VALUES 'null value', 'sample value', 'high value'");
 
+        // complex condition, one that cannot be represented with a TupleDomain
+        assertQuery("SELECT row_id FROM " + tableName + " WHERE value = " + sampleValueLiteral + " OR another_column = " + sampleValueLiteral, "VALUES 'sample value'");
+
         assertUpdate("DROP TABLE " + tableName);
     }
 
@@ -4068,6 +4071,7 @@ private List<DataMappingTestSetup> testDataMappingSmokeTestData()
                 .add(new DataMappingTestSetup("char(3)", "'ab'", "'zzz'"))
                 .add(new DataMappingTestSetup("varchar(3)", "'de'", "'zzz'"))
                 .add(new DataMappingTestSetup("varchar", "'łąka for the win'", "'ŻŻŻŻŻŻŻŻŻŻ'"))
+                .add(new DataMappingTestSetup("varchar", "'a \\backslash'", "'a a'")) // `a` sorts after `\`
                 .add(new DataMappingTestSetup("varbinary", "X'12ab3f'", "X'ffffffffffffffffffff'"))
                 .build();
     }