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Use of dynamic-insert and dynamic update

Dynamic-insert and Dynamic-update in XML mapping metadata

There are two attribute for disabling CRUD SQL generation on startup which are available for <class> mapping. 

<class name="category" dynamic-insert="false" dynamic-update="false">
....
</class>

Note : default values of these attributes are false. 
If you set dynamic-insert="true" in your class mapping metadata than null property values will not include in your INSERT SQL statement.
If you set dynamic-update="true" in your class mapping metadata than it includes only modified property values in UPDATE SQL statement.

Example :
I have an Item entity which have some property as follows,














I am trying to store item object into database. i run following code. default setting is dynamic-insert = "false" in class mapping metadata.
















See the following comments on console.

14:59:10,286      INFO HibernateTest:19 - starting of main method
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Environment <clinit>
INFO: Hibernate 3.0rc1
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Environment <clinit>
INFO: hibernate.properties not found
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Environment <clinit>
INFO: using CGLIB reflection optimizer
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Environment <clinit>
INFO: using JDK 1.4 java.sql.Timestamp handling
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Configuration configure
INFO: configuring from resource: /hibernate.cfg.xml
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: Configuration resource: /hibernate.cfg.xml
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Configuration addResource
INFO: Mapping resource: com/Item.hbm.xml
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.HbmBinder bindRootPersistentClassCommonValues
INFO: Mapping class: com.Item -> ITEM
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Configuration doConfigure
INFO: Configured SessionFactory: null
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing extends queue
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing collection mappings
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing association property references
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing foreign key constraints
Oct 10, 2012 2:59:10 PM org.hibernate.dialect.Dialect <init>
INFO: Using dialect: org.hibernate.dialect.MySQLDialect
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Maximum outer join fetch depth: 2
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default batch fetch size: 1
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Generate SQL with comments: enabled
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Order SQL updates by primary key: disabled
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.SettingsFactory createQueryTranslatorFactory
INFO: Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
Oct 10, 2012 2:59:10 PM org.hibernate.hql.ast.ASTQueryTranslatorFactory <init>
INFO: Using ASTQueryTranslatorFactory
Oct 10, 2012 2:59:10 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query language substitutions: {}
Oct 10, 2012 2:59:10 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: C3P0 using driver: null at URL: jdbc:mysql://localhost:3306/HibernateTest
Oct 10, 2012 2:59:10 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: Connection properties: {autocommit=true, password=****, user=root}
Oct 10, 2012 2:59:10 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: autocommit mode: true
Oct 10, 2012 2:59:10 PM org.hibernate.connection.C3P0ConnectionProvider configure
WARNING: No JDBC Driver class was specified by property hibernate.connection.driver_class
14:59:10,538      INFO MLog:80 - MLog clients using log4j logging.
14:59:10,773      INFO C3P0Registry:204 - Initializing c3p0-0.9.1.2 [built 21-May-2007 15:04:56; debug? true; trace: 10]
14:59:10,830      INFO AbstractPoolBackedDataSource:462 - Initializing c3p0 pool... com.mchange.v2.c3p0.PoolBackedDataSource@3c719ea5 [ connectionPoolDataSource -> com.mchange.v2.c3p0.WrapperConnectionPoolDataSource@39948757 [ acquireIncrement -> 1, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, debugUnreturnedConnectionStackTraces -> false, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1bs1yqt8qkj87tz1bbb5y0|cdd17f, idleConnectionTestPeriod -> 3000, initialPoolSize -> 5, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 300, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 20, maxStatements -> 100, maxStatementsPerConnection -> 0, minPoolSize -> 5, nestedDataSource -> com.mchange.v2.c3p0.DriverManagerDataSource@888ae846 [ description -> null, driverClass -> null, factoryClassLocation -> null, identityToken -> 1bs1yqt8qkj87tz1bbb5y0|693a5, jdbcUrl -> jdbc:mysql://localhost:3306/HibernateTest, properties -> {autocommit=true, password=******, user=******} ], preferredTestQuery -> null, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false; userOverrides: {} ], dataSourceName -> null, factoryClassLocation -> null, identityToken -> 1bs1yqt8qkj87tz1bbb5y0|c0c9d0, numHelperThreads -> 3 ]
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch size: 15
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch updates for versioned data: disabled
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Scrollable result sets: enabled
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC3 getGeneratedKeys(): enabled
Oct 10, 2012 2:59:11 PM org.hibernate.transaction.TransactionFactoryFactory buildTransactionFactory
INFO: Using default transaction strategy (direct JDBC transactions)
Oct 10, 2012 2:59:11 PM org.hibernate.transaction.TransactionManagerLookupFactory getTransactionManagerLookup
INFO: No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic flush during beforeCompletion(): disabled
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic session close at end of transaction: disabled
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory createCacheProvider
INFO: Cache provider: org.hibernate.cache.EhCacheProvider
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Second-level cache: enabled
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Optimize cache for minimal puts: disabled
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Structured second-level cache entries: enabled
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query cache: disabled
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Echoing all SQL to stdout
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Statistics: disabled
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Deleted entity synthetic identifier rollback: disabled
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default entity-mode: pojo
Oct 10, 2012 2:59:11 PM org.hibernate.impl.SessionFactoryImpl <init>
INFO: building session factory
Oct 10, 2012 2:59:11 PM net.sf.ehcache.config.Configurator configure
WARNING: No configuration found. Configuring ehcache from ehcache-failsafe.xml found in the classpath: jar:file:/D:/Anuj/Jars/HibernateLib/ehcache-1.1.jar!/ehcache-failsafe.xml
Oct 10, 2012 2:59:11 PM org.hibernate.impl.SessionFactoryObjectFactory addInstance
INFO: Not binding factory to JNDI, no JNDI name configured
Oct 10, 2012 2:59:11 PM org.hibernate.dialect.Dialect <init>
INFO: Using dialect: org.hibernate.dialect.MySQLDialect
Oct 10, 2012 2:59:11 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: C3P0 using driver: null at URL: jdbc:mysql://localhost:3306/HibernateTest
Oct 10, 2012 2:59:11 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: Connection properties: {autocommit=true, password=****, user=root}
Oct 10, 2012 2:59:11 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: autocommit mode: true
Oct 10, 2012 2:59:11 PM org.hibernate.connection.C3P0ConnectionProvider configure
WARNING: No JDBC Driver class was specified by property hibernate.connection.driver_class
Oct 10, 2012 2:59:11 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: Running hbm2ddl schema update
Oct 10, 2012 2:59:11 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: fetching database metadata
14:59:11,443      INFO AbstractPoolBackedDataSource:462 - Initializing c3p0 pool... com.mchange.v2.c3p0.PoolBackedDataSource@8d706a49 [ connectionPoolDataSource -> com.mchange.v2.c3p0.WrapperConnectionPoolDataSource@3dca4175 [ acquireIncrement -> 1, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, debugUnreturnedConnectionStackTraces -> false, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1bs1yqt8qkj87tz1bbb5y0|b86609, idleConnectionTestPeriod -> 3000, initialPoolSize -> 5, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 300, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 20, maxStatements -> 100, maxStatementsPerConnection -> 0, minPoolSize -> 5, nestedDataSource -> com.mchange.v2.c3p0.DriverManagerDataSource@9b5ebf12 [ description -> null, driverClass -> null, factoryClassLocation -> null, identityToken -> 1bs1yqt8qkj87tz1bbb5y0|188af79, jdbcUrl -> jdbc:mysql://localhost:3306/HibernateTest, properties -> {autocommit=true, password=******, user=******} ], preferredTestQuery -> null, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false; userOverrides: {} ], dataSourceName -> null, factoryClassLocation -> null, identityToken -> 1bs1yqt8qkj87tz1bbb5y0|2a6e6c, numHelperThreads -> 3 ]
Oct 10, 2012 2:59:11 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: updating schema
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing extends queue
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing collection mappings
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing association property references
Oct 10, 2012 2:59:11 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing foreign key constraints
Oct 10, 2012 2:59:11 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found: HibernateTest.item
Oct 10, 2012 2:59:11 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [created_date, modified_date, item_name, item_id, item_amount]
Oct 10, 2012 2:59:11 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: []
Oct 10, 2012 2:59:11 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [primary]
Oct 10, 2012 2:59:11 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: schema update complete
Oct 10, 2012 2:59:11 PM org.hibernate.impl.SessionFactoryImpl checkNamedQueries
INFO: Checking 0 named queries
14:59:11,535      INFO HibernateTest:28 - before save or update

Hibernate: /*insert com.Item*/insert into ITEM (ITEM_NAME, ITEM_AMOUNT, CREATED_DATE, MODIFIED_DATE, ITEM_ID) values (?, ?, ?, ?, ?)

Oct 10, 2012 2:59:11 PM org.hibernate.impl.SessionFactoryImpl close
INFO: closing

Item instance values stores into database. 







Now i change dynamic-insert="true" into class mapping metadata and i run the following code.

public static void main(String[] args) {
LOGGER.info("starting of main method");
Session session = HibernateUtil.getSessionFactory().openSession();
Transaction txn = session.beginTransaction();
Item item = new Item();
item.setItemName("Samsung");
//item.setItemAmount(23.2);
item.setCreatedDate(new Date());
item.setModifiedDate(new Date());
LOGGER.info("before save or update");
session.saveOrUpdate(item);
txn.commit();
session.close();
HibernateUtil.shutDown();
}


See the generated comments as below.

15:19:47,316      INFO HibernateTest:19 - starting of main method
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Environment <clinit>
INFO: Hibernate 3.0rc1
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Environment <clinit>
INFO: hibernate.properties not found
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Environment <clinit>
INFO: using CGLIB reflection optimizer
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Environment <clinit>
INFO: using JDK 1.4 java.sql.Timestamp handling
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Configuration configure
INFO: configuring from resource: /hibernate.cfg.xml
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: Configuration resource: /hibernate.cfg.xml
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Configuration addResource
INFO: Mapping resource: com/Item.hbm.xml
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.HbmBinder bindRootPersistentClassCommonValues
INFO: Mapping class: com.Item -> ITEM
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Configuration doConfigure
INFO: Configured SessionFactory: null
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing extends queue
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing collection mappings
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing association property references
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing foreign key constraints
Oct 10, 2012 3:19:47 PM org.hibernate.dialect.Dialect <init>
INFO: Using dialect: org.hibernate.dialect.MySQLDialect
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Maximum outer join fetch depth: 2
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default batch fetch size: 1
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Generate SQL with comments: enabled
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Order SQL updates by primary key: disabled
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.SettingsFactory createQueryTranslatorFactory
INFO: Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
Oct 10, 2012 3:19:47 PM org.hibernate.hql.ast.ASTQueryTranslatorFactory <init>
INFO: Using ASTQueryTranslatorFactory
Oct 10, 2012 3:19:47 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query language substitutions: {}
Oct 10, 2012 3:19:47 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: C3P0 using driver: null at URL: jdbc:mysql://localhost:3306/HibernateTest
Oct 10, 2012 3:19:47 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: Connection properties: {user=root, password=****, autocommit=true}
Oct 10, 2012 3:19:47 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: autocommit mode: true
Oct 10, 2012 3:19:47 PM org.hibernate.connection.C3P0ConnectionProvider configure
WARNING: No JDBC Driver class was specified by property hibernate.connection.driver_class
15:19:47,566      INFO MLog:80 - MLog clients using log4j logging.
15:19:47,797      INFO C3P0Registry:204 - Initializing c3p0-0.9.1.2 [built 21-May-2007 15:04:56; debug? true; trace: 10]
15:19:47,852      INFO AbstractPoolBackedDataSource:462 - Initializing c3p0 pool... com.mchange.v2.c3p0.PoolBackedDataSource@9b56470a [ connectionPoolDataSource -> com.mchange.v2.c3p0.WrapperConnectionPoolDataSource@e63b9c89 [ acquireIncrement -> 1, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, debugUnreturnedConnectionStackTraces -> false, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1bs1yqt8qkjyqbv13nan4b|750e30, idleConnectionTestPeriod -> 3000, initialPoolSize -> 5, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 300, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 20, maxStatements -> 100, maxStatementsPerConnection -> 0, minPoolSize -> 5, nestedDataSource -> com.mchange.v2.c3p0.DriverManagerDataSource@d5ed1f41 [ description -> null, driverClass -> null, factoryClassLocation -> null, identityToken -> 1bs1yqt8qkjyqbv13nan4b|693a5, jdbcUrl -> jdbc:mysql://localhost:3306/HibernateTest, properties -> {user=******, password=******, autocommit=true} ], preferredTestQuery -> null, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false; userOverrides: {} ], dataSourceName -> null, factoryClassLocation -> null, identityToken -> 1bs1yqt8qkjyqbv13nan4b|c0c9d0, numHelperThreads -> 3 ]
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch size: 15
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch updates for versioned data: disabled
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Scrollable result sets: enabled
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC3 getGeneratedKeys(): enabled
Oct 10, 2012 3:19:48 PM org.hibernate.transaction.TransactionFactoryFactory buildTransactionFactory
INFO: Using default transaction strategy (direct JDBC transactions)
Oct 10, 2012 3:19:48 PM org.hibernate.transaction.TransactionManagerLookupFactory getTransactionManagerLookup
INFO: No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic flush during beforeCompletion(): disabled
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic session close at end of transaction: disabled
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory createCacheProvider
INFO: Cache provider: org.hibernate.cache.EhCacheProvider
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Second-level cache: enabled
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Optimize cache for minimal puts: disabled
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Structured second-level cache entries: enabled
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query cache: disabled
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Echoing all SQL to stdout
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Statistics: disabled
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Deleted entity synthetic identifier rollback: disabled
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default entity-mode: pojo
Oct 10, 2012 3:19:48 PM org.hibernate.impl.SessionFactoryImpl <init>
INFO: building session factory
Oct 10, 2012 3:19:48 PM net.sf.ehcache.config.Configurator configure
WARNING: No configuration found. Configuring ehcache from ehcache-failsafe.xml found in the classpath: jar:file:/D:/Anuj/Jars/HibernateLib/ehcache-1.1.jar!/ehcache-failsafe.xml
Oct 10, 2012 3:19:48 PM org.hibernate.impl.SessionFactoryObjectFactory addInstance
INFO: Not binding factory to JNDI, no JNDI name configured
Oct 10, 2012 3:19:48 PM org.hibernate.dialect.Dialect <init>
INFO: Using dialect: org.hibernate.dialect.MySQLDialect
Oct 10, 2012 3:19:48 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: C3P0 using driver: null at URL: jdbc:mysql://localhost:3306/HibernateTest
Oct 10, 2012 3:19:48 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: Connection properties: {user=root, password=****, autocommit=true}
Oct 10, 2012 3:19:48 PM org.hibernate.connection.C3P0ConnectionProvider configure
INFO: autocommit mode: true
Oct 10, 2012 3:19:48 PM org.hibernate.connection.C3P0ConnectionProvider configure
WARNING: No JDBC Driver class was specified by property hibernate.connection.driver_class
Oct 10, 2012 3:19:48 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: Running hbm2ddl schema update
Oct 10, 2012 3:19:48 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: fetching database metadata
15:19:48,457      INFO AbstractPoolBackedDataSource:462 - Initializing c3p0 pool... com.mchange.v2.c3p0.PoolBackedDataSource@d184a321 [ connectionPoolDataSource -> com.mchange.v2.c3p0.WrapperConnectionPoolDataSource@ed215ed6 [ acquireIncrement -> 1, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, debugUnreturnedConnectionStackTraces -> false, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1bs1yqt8qkjyqbv13nan4b|32f90a, idleConnectionTestPeriod -> 3000, initialPoolSize -> 5, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 300, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 20, maxStatements -> 100, maxStatementsPerConnection -> 0, minPoolSize -> 5, nestedDataSource -> com.mchange.v2.c3p0.DriverManagerDataSource@9caee9da [ description -> null, driverClass -> null, factoryClassLocation -> null, identityToken -> 1bs1yqt8qkjyqbv13nan4b|b86609, jdbcUrl -> jdbc:mysql://localhost:3306/HibernateTest, properties -> {user=******, password=******, autocommit=true} ], preferredTestQuery -> null, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false; userOverrides: {} ], dataSourceName -> null, factoryClassLocation -> null, identityToken -> 1bs1yqt8qkjyqbv13nan4b|1b79249, numHelperThreads -> 3 ]
Oct 10, 2012 3:19:48 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: updating schema
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing extends queue
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing collection mappings
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing association property references
Oct 10, 2012 3:19:48 PM org.hibernate.cfg.Configuration secondPassCompile
INFO: processing foreign key constraints
Oct 10, 2012 3:19:48 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found: HibernateTest.item
Oct 10, 2012 3:19:48 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [created_date, modified_date, item_name, item_id, item_amount]
Oct 10, 2012 3:19:48 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: []
Oct 10, 2012 3:19:48 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [primary]
Oct 10, 2012 3:19:48 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: schema update complete
Oct 10, 2012 3:19:48 PM org.hibernate.impl.SessionFactoryImpl checkNamedQueries
INFO: Checking 0 named queries
15:19:48,526      INFO HibernateTest:28 - before save or update
Hibernate: /*insert com.Item*/insert into ITEM (ITEM_NAME, CREATED_DATE, MODIFIED_DATE, ITEM_ID) values (?, ?, ?, ?)
Oct 10, 2012 3:19:48 PM org.hibernate.impl.SessionFactoryImpl close
INFO: closing

In comments, it ignore the ITEM_AMOUNT column in the INSERT SQL statement.

check the database again and see the item record values in this case.








Dynamic-update also works in same way.

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