java.lang.Object | ||||
↳ | org.springframework.jdbc.object.RdbmsOperation | |||
↳ | org.springframework.jdbc.object.SqlOperation | |||
↳ | org.springframework.jdbc.object.SqlUpdate | |||
↳ | org.springframework.jdbc.object.BatchSqlUpdate |
SqlUpdate subclass that performs batch update operations. Encapsulates
queuing up records to be updated, and adds them as a single batch once
flush
is called or the given batch size has been met.
Note that this class is a non-thread-safe object, in contrast
to all other JDBC operations objects in this package. You need to create
a new instance of it for each use, or call reset
before
reuse within the same thread.
Fields | |||||||||||
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DEFAULT_BATCH_SIZE | Default number of inserts to accumulate before commiting a batch (5000). |
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Inherited Fields | |||||||||||
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From class
org.springframework.jdbc.object.RdbmsOperation
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Public Constructors | |||||||||||
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Constructor to allow use as a JavaBean.
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Construct an update object with a given DataSource and SQL.
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Construct an update object with a given DataSource, SQL
and anonymous parameters.
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Construct an update object with a given DataSource, SQL,
anonymous parameters and specifying the maximum number of rows
that may be affected.
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Public Methods | |||||||||||
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Trigger any queued update operations to be added as a final batch.
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Return the number of already executed statements.
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Return the current number of statements or statement parameters
in the queue.
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Return the number of affected rows for all already executed statements.
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Reset the statement parameter queue, the rows affected cache,
and the execution count.
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Set the number of statements that will trigger an automatic intermediate
flush.
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Set whether to track the rows affected by batch updates performed
by this operation object.
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Overridden version of
update that adds the given statement
parameters to the queue rather than executing them immediately. |
Protected Methods | |||||||||||
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BatchSqlUpdate does not support BLOB or CLOB parameters.
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Inherited Methods | |||||||||||
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From class
org.springframework.jdbc.object.SqlUpdate
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From class
org.springframework.jdbc.object.SqlOperation
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From class
org.springframework.jdbc.object.RdbmsOperation
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From class
java.lang.Object
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From interface
org.springframework.beans.factory.InitializingBean
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Default number of inserts to accumulate before commiting a batch (5000).
Constructor to allow use as a JavaBean. DataSource and SQL must be supplied before compilation and use.
Construct an update object with a given DataSource and SQL.
ds | DataSource to use to obtain connections |
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sql | SQL statement to execute |
Construct an update object with a given DataSource, SQL and anonymous parameters.
ds | DataSource to use to obtain connections |
---|---|
sql | SQL statement to execute |
types | SQL types of the parameters, as defined in the
java.sql.Types class |
Construct an update object with a given DataSource, SQL, anonymous parameters and specifying the maximum number of rows that may be affected.
ds | DataSource to use to obtain connections |
---|---|
sql | SQL statement to execute |
types | SQL types of the parameters, as defined in the
java.sql.Types class |
batchSize | the number of statements that will trigger an automatic intermediate flush |
Trigger any queued update operations to be added as a final batch.
Return the number of already executed statements.
Return the current number of statements or statement parameters in the queue.
Return the number of affected rows for all already executed statements.
Accumulates all of flush
's return values until
reset
is invoked.
Reset the statement parameter queue, the rows affected cache, and the execution count.
Set the number of statements that will trigger an automatic intermediate
flush. update
calls or the given statement parameters will
be queued until the batch size is met, at which point it will empty the
queue and execute the batch.
You can also flush already queued statements with an explicit
flush
call. Note that you need to this after queueing
all parameters to guarantee that all statements have been flushed.
Set whether to track the rows affected by batch updates performed by this operation object.
Default is "true". Turn this off to save the memory needed for the list of row counts.
Overridden version of update
that adds the given statement
parameters to the queue rather than executing them immediately.
All other update
methods of the SqlUpdate base class go
through this method and will thus behave similarly.
You need to call flush
to actually execute the batch.
If the specified batch size is reached, an implicit flush will happen;
you still need to finally call flush
to flush all statements.
params | array of parameter objects |
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DataAccessException |
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BatchSqlUpdate does not support BLOB or CLOB parameters.