Fix for Bug#105211 (33468860), class java.time.LocalDate cannot be cast

to class java.sql.Date.

Author: soklakov

CHANGES

@@ -3,6 +3,8 @@
 
 Version 8.0.28
 
+  - Fix for Bug#105211 (33468860), class java.time.LocalDate cannot be cast to class java.sql.Date.
+
   - Fix for Bug#101389 (32089018), GETWARNINGS SHOULD CHECK WARNING COUNT BEFORE SENDING SHOW.
 
   - Fix for Bug#33488091, Remove all references to xdevapi.useAsyncProtocol from properties and code.

src/main/user-impl/java/com/mysql/cj/jdbc/ServerPreparedStatement.java

@@ -34,7 +34,6 @@
 import java.io.Reader;
 import java.io.UnsupportedEncodingException;
 import java.net.URL;
-import java.sql.Date;
 import java.sql.ParameterMetaData;
 import java.sql.SQLException;
 import java.sql.Time;
@@ -760,7 +759,7 @@ protected int setOneBatchedParameterSet(java.sql.PreparedStatement batchedStatem
                             batchedStatement.setTime(batchedParamIndex++, (Time) paramArg[j].value);
                             break;
                         case MysqlType.FIELD_TYPE_DATE:
-                            batchedStatement.setDate(batchedParamIndex++, (Date) paramArg[j].value);
+                            batchedStatement.setObject(batchedParamIndex++, paramArg[j].value, MysqlType.DATE);
                             break;
                         case MysqlType.FIELD_TYPE_DATETIME:
                             batchedStatement.setObject(batchedParamIndex++, paramArg[j].value);

src/test/java/testsuite/regression/StatementRegressionTest.java

@@ -11790,4 +11790,40 @@ public void testBlobWithSJIS() throws Exception {
             }
         }
     }
+
+    /**
+     * Test fix for Bug#105211 (33468860), class java.time.LocalDate cannot be cast to class java.sql.Date.
+     * 
+     * @throws Exception
+     */
+    @Test
+    public void testBug105211() throws Exception {
+        createTable("testBug105211", "(dt date)");
+
+        Properties props = new Properties();
+        props.setProperty(PropertyKey.sslMode.getKeyName(), SslMode.DISABLED.name());
+        props.setProperty(PropertyKey.allowPublicKeyRetrieval.getKeyName(), "true");
+        props.setProperty(PropertyKey.rewriteBatchedStatements.getKeyName(), "true");
+
+        boolean useSPS = false;
+        do {
+            props.setProperty(PropertyKey.useServerPrepStmts.getKeyName(), Boolean.toString(useSPS));
+
+            Connection con = getConnectionWithProps(props);
+            this.pstmt = con.prepareStatement("insert into testBug105211(dt) values(?)");
+            con.setAutoCommit(false);
+
+            for (int i = 0; i <= 1000; i++) {
+                this.pstmt.setObject(1, LocalDate.now());
+                this.pstmt.addBatch();
+                if (i % 100 == 0) {
+                    this.pstmt.executeBatch();
+                    this.pstmt.clearBatch();
+                }
+            }
+            con.commit();
+
+            con.close();
+        } while (useSPS = !useSPS);
+    }
 }