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Polishing 

Issue: SPR-11386
This commit is contained in:
Juergen Hoeller 2014-02-04 17:41:42 +01:00
parent 6634c19e6a
commit 8a6b095204
1 changed files with 4 additions and 2 deletions
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6
spring-jdbc/src/main/java/org/springframework/jdbc/core/StatementCreatorUtils.java
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@ -64,17 +64,19 @@ public abstract class StatementCreatorUtils {
/**
* System property that instructs Spring to ignore {@link java.sql.ParameterMetaData#getParameterType}
* completely, i.e. to never even attempt to retrieve {@link PreparedStatement#getParameterMetaData()}.
* completely, i.e. to never even attempt to retrieve {@link PreparedStatement#getParameterMetaData()}
* for {@link StatementCreatorUtils#setNull} calls.
* <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).
* thrown from {@code getParameterType} (as reported 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 =