[#423] feat(core): Support the case-sensitive feature in gravitino catalog

api/src/main/java/com/datastrato/gravitino/NameIdentifier.java

@@ -220,4 +220,12 @@ public static void check(boolean condition, String message, Object... args) {
       throw new IllegalNameIdentifierException(String.format(message, args));
     }
   }
+
+  public NameIdentifier parent() {
+    if (hasNamespace()) {
+      return NameIdentifier.of(namespace.levels());
+    }
+
+    throw new UnsupportedOperationException("Cannot get the parent of a metalake identifier");
+  }
 }

api/src/test/java/com/datastrato/gravitino/TestNameIdentifier.java

@@ -12,6 +12,7 @@
 
 import com.datastrato.gravitino.exceptions.IllegalNameIdentifierException;
 import com.datastrato.gravitino.exceptions.IllegalNamespaceException;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
 public class TestNameIdentifier {
@@ -126,4 +127,19 @@ public void testCheckNameIdentifier() {
             () -> NameIdentifier.checkTable(NameIdentifier.of("a", "b", "c")));
     assertTrue(excep3.getMessage().contains("Table namespace must be non-null and have 3 levels"));
   }
+
+  @Test
+  void testParent() {
+    NameIdentifier identifier = NameIdentifier.of("a", "b", "c");
+    assertEquals(NameIdentifier.of("a", "b"), identifier.parent());
+
+    NameIdentifier identifier1 = NameIdentifier.of("a", "b");
+    assertEquals(NameIdentifier.of("a"), identifier1.parent());
+
+    NameIdentifier identifier2 = NameIdentifier.of("a");
+    Assertions.assertThrows(UnsupportedOperationException.class, identifier2::parent);
+
+    NameIdentifier identifier3 = NameIdentifier.of("a", "b", "c", "d");
+    assertEquals(NameIdentifier.of("a", "b", "c"), identifier3.parent());
+  }
 }

catalogs/catalog-hive/src/main/java/com/datastrato/gravitino/catalog/hive/HiveCatalogOperations.java

@@ -932,4 +932,16 @@ public PropertiesMetadata catalogPropertiesMetadata() throws UnsupportedOperatio
   public PropertiesMetadata schemaPropertiesMetadata() throws UnsupportedOperationException {
     return schemaPropertiesMetadata;
   }
+
+  @Override
+  public boolean nameCaseSensitivity() {
+    // If we want this to be more exact, we can create a database with a name to test this
+    // configuration when initiation.
+    return false;
+  }
+
+  @Override
+  public boolean toUpperCaseIfNotSensitive() {
+    return false;
+  }
 }

core/src/main/java/com/datastrato/gravitino/catalog/CatalogManager.java

@@ -102,6 +102,11 @@ public <R> R doWithPropertiesMeta(ThrowableFunction<HasPropertyMetadata, R> fn)
       return classLoader.withClassLoader(cl -> fn.apply(catalog.ops()));
     }
 
+    public <R> R doWithDefaultConfig(ThrowableFunction<HasCatalogDefaultConfig, R> fn)
+        throws Exception {
+      return classLoader.withClassLoader(cl -> fn.apply(catalog.ops()));
+    }
+
     public void close() {
       try {
         classLoader.withClassLoader(