Updating Java MySQL Connector/J integration test to use a table-quali…

…fied column name when retrieving a field from a row in a result set.

Related to #7247

integration-tests/mysql-client-tests/java/MySQLConnectorTest.java

@@ -3,8 +3,64 @@
 import java.sql.SQLException;
 import java.sql.Statement;
 import java.sql.ResultSet;
- 
+
 public class MySQLConnectorTest {
+
+    // test queries to be run against Dolt
+    private static final String[] queries = {
+            "create table test (pk int, `value` int, primary key(pk))",
+            "describe test",
+            "select * from test",
+            "insert into test (pk, `value`) values (0,0)",
+            "select * from test",
+            "call dolt_add('-A')",
+            "call dolt_commit('-m', 'my commit')",
+            "select COUNT(*) FROM dolt_log",
+            "call dolt_checkout('-b', 'mybranch')",
+            "insert into test (pk, `value`) values (1,1)",
+            "call dolt_commit('-a', '-m', 'my commit2')",
+            "call dolt_checkout('main')",
+            "call dolt_merge('mybranch')",
+            "select COUNT(*) FROM dolt_log",
+    };
+
+    // We currently only test a single field value in the first row
+    private static final String[] expectedResults = {
+            "0",
+            "pk",
+            null,
+            "1",
+            "0",
+            "0",
+            "0",
+            "2",
+            "0",
+            "1",
+            "1",
+            "0",
+            "",
+            "3"
+    };
+
+    // fieldAccessors are the value used to access a field in a row in a result set. Currently, only
+    // String (i.e column name) and Integer (i.e. field position) values are supported.
+    private static final Object[] fieldAccessors = {
+            1,
+            1,
+            "pk",
+            1,
+            "test.pk",
+            1,
+            1,
+            1,
+            1,
+            1,
+            1,
+            1,
+            1,
+            "COUNT(*)",
+    };
+
     public static void main(String[] args) {
         Connection conn = null;
 
@@ -14,54 +70,28 @@ public static void main(String[] args) {
 
         try {
             String url = "jdbc:mysql://127.0.0.1:" + port + "/" + db;
-	        String password = "";
-
-            conn = DriverManager.getConnection(url, user, password);
-
-	        Statement st = conn.createStatement();
+            String password = "";
 
-            String[] queries = {
-                "create table test (pk int, `value` int, primary key(pk))",
-                "describe test",
-                "select * from test",
-                "insert into test (pk, `value`) values (0,0)",
-                "select * from test",
-                "call dolt_add('-A')",
-                "call dolt_commit('-m', 'my commit')",
-                "select COUNT(*) FROM dolt_log",
-                "call dolt_checkout('-b', 'mybranch')",
-                "insert into test (pk, `value`) values (1,1)",
-                "call dolt_commit('-a', '-m', 'my commit2')",
-                "call dolt_checkout('main')",
-                "call dolt_merge('mybranch')",
-                "select COUNT(*) FROM dolt_log",
-            };
-
-            // Only test the first row, column pair for now
-            String[] results = {
-                "0",
-                "pk",
-                null,
-                "1",
-                "0",
-                "0",
-                "0",
-                "2",
-                "0",
-                "1",
-                "1",
-                "0",
-                "",
-                "3"
-            };
+            conn = DriverManager.getConnection(url, user, password);
+            Statement st = conn.createStatement();
 
             for (int i = 0; i < queries.length; i++) {
                 String query    = queries[i];
-                String expected = results[i];
+                String expected = expectedResults[i];
                 if ( st.execute(query) ) {
                     ResultSet rs = st.getResultSet();
                     if (rs.next()) {
-                        String result = rs.getString(1);
+                        String result = "";
+                        Object fieldAccessor = fieldAccessors[i];
+                        if (fieldAccessor instanceof String) {
+                            result = rs.getString((String)fieldAccessor);
+                        } else if (fieldAccessor instanceof Integer) {
+                            result = rs.getString((Integer)fieldAccessor);
+                        } else {
+                            System.out.println("Unsupported field accessor value: " + fieldAccessor);
+                            System.exit(1);
+                        }
+
                         if (!expected.equals(result) && !(query.contains("dolt_commit")) && !(query.contains("dolt_merge"))) {
                             System.out.println("Query: \n" + query);
                             System.out.println("Expected:\n" + expected);
@@ -83,7 +113,7 @@ public static void main(String[] args) {
         } catch (SQLException ex) {
             System.out.println("An error occurred.");
             ex.printStackTrace();
-	        System.exit(1);
+            System.exit(1);
         }
     }
 }