[CONJ-764] DatabaseMetaData.getExportedKeys return "PRIMARY" for PK_N…

…AME column (was null)
mariadb-corporation · Mar 4, 2020 · d2e0430 · d2e0430
1 parent 97cead8
commit d2e0430
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/src/main/java/org/mariadb/jdbc/MariaDbDatabaseMetaData.java b/src/main/java/org/mariadb/jdbc/MariaDbDatabaseMetaData.java
@@ -924,7 +924,7 @@ public ResultSet getExportedKeys(String catalog, String schema, String table)
             + "  WHEN 'SET DEFAULT' THEN 4"
             + " END DELETE_RULE,"
             + " RC.CONSTRAINT_NAME FK_NAME,"
-            + " NULL PK_NAME,"
+            + " 'PRIMARY' PK_NAME,"
             + importedKeyNotDeferrable
             + " DEFERRABILITY"
             + " FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE KCU"

diff --git a/src/test/java/org/mariadb/jdbc/DatabaseMetadataTest.java b/src/test/java/org/mariadb/jdbc/DatabaseMetadataTest.java
@@ -315,6 +315,7 @@ public void exportedKeysTest() throws SQLException {
       assertEquals("id", rs.getString("pkcolumn_name"));
       assertEquals("fore_key" + counter, rs.getString("fktable_name"));
       assertEquals("id_ref" + counter, rs.getString("fkcolumn_name"));
+      assertEquals("PRIMARY", rs.getString("PK_NAME"));
       counter++;
     }
     assertEquals(2, counter);