Introduced "spring.jdbc.getParameterType.ignore" property

Issue: SPR-11386

Author: jhoeller

spring-core/src/main/java/org/springframework/core/SpringProperties.java

@@ -41,6 +41,7 @@
  * @since 3.2.7
  * @see org.springframework.core.env.AbstractEnvironment#IGNORE_GETENV_PROPERTY_NAME
  * @see org.springframework.beans.CachedIntrospectionResults#IGNORE_BEANINFO_PROPERTY_NAME
+ * @see org.springframework.jdbc.core.StatementCreatorUtils#IGNORE_GETPARAMETERTYPE_PROPERTY_NAME
  */
 public abstract class SpringProperties {
 

spring-jdbc/src/main/java/org/springframework/jdbc/core/StatementCreatorUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2014 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,6 +37,7 @@
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import org.springframework.core.SpringProperties;
 import org.springframework.jdbc.support.SqlValue;
 
 /**
@@ -61,11 +62,26 @@
  */
 public abstract class StatementCreatorUtils {
 
-	private static final Log logger = LogFactory.getLog(StatementCreatorUtils.class);
+	/**
+	 * System property that instructs Spring to ignore {@link java.sql.ParameterMetaData#getParameterType}
+	 * completely, i.e. to never even attempt to retrieve {@link PreparedStatement#getParameterMetaData()}.
+	 * <p>The default is "false", trying {@code getParameterType} calls first and falling back to
+	 * {@link PreparedStatement#setNull} / {@link PreparedStatement#setObject} calls based on well-known
+	 * behavior of common databases. Spring records JDBC drivers with non-working {@code getParameterType}
+	 * implementations and won't attempt to call that method for that driver again, always falling back.
+	 * <p>Consider switching this flag to "true" if you experience misbehavior at runtime, e.g. with
+	 * a connection pool setting back the {@link PreparedStatement} instance in case of an exception
+	 * thrown from {@code getParameterType} (e.g. on JBoss AS 7).
+	 */
+	public static final String IGNORE_GETPARAMETERTYPE_PROPERTY_NAME = "spring.jdbc.getParameterType.ignore";
+
+	static final boolean shouldIgnoreGetParameterType = SpringProperties.getFlag(IGNORE_GETPARAMETERTYPE_PROPERTY_NAME);
 
 	static final Set<String> driversWithNoSupportForGetParameterType =
 			Collections.newSetFromMap(new ConcurrentHashMap<String, Boolean>(1));
 
+	private static final Log logger = LogFactory.getLog(StatementCreatorUtils.class);
+
 	private static final Map<Class<?>, Integer> javaTypeToSqlTypeMap = new HashMap<Class<?>, Integer>(32);
 
 	static {
@@ -228,8 +244,8 @@ private static void setNull(PreparedStatement ps, int paramIndex, int sqlType, S
 			Integer sqlTypeToUse = null;
 			DatabaseMetaData dbmd = null;
 			String jdbcDriverName = null;
-			boolean checkGetParameterType = true;
-			if (!driversWithNoSupportForGetParameterType.isEmpty()) {
+			boolean checkGetParameterType = !shouldIgnoreGetParameterType;
+			if (checkGetParameterType && !driversWithNoSupportForGetParameterType.isEmpty()) {
 				try {
 					dbmd = ps.getConnection().getMetaData();
 					jdbcDriverName = dbmd.getDriverName();