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Defines the record iterator class for Table-based iterators. More...
Inherits AbstractDataProviderBulkRecordInterface.
Public Member Functions | |
constructor (int block_size, AbstractDatasource ds, *hash< auto > where_cond, hash< auto > select_options) | |
creates the iterator More... | |
destructor () | |
rolls back the transaction if a transaction lock was acquired in the constructor and keepTransactionLock() was not called | |
*hash< string, AbstractDataField > | getRecordType () |
Returns the record description, if available. More... | |
keepTransactionLock () | |
Ensures that no rollback is performed when the object is destroyed. | |
Protected Member Functions | |
hash< string, list< auto > > | getValueImpl () |
Returns a hash of lists according to the block size. More... | |
Private Attributes | |
bool | release_transaction |
release the transaction with a rollback in the destructor? | |
AbstractSQLStatement | stmt |
the statement being iterated | |
Defines the record iterator class for Table-based iterators.
DbDataProvider::DbSelectBulkRecordInterface::constructor | ( | int | block_size, |
AbstractDatasource | ds, | ||
*hash< auto > | where_cond, | ||
hash< auto > | select_options | ||
) |
creates the iterator
block_size | the number of records in a read block; must be a positive number |
ds | the datasource to use |
where_cond | must be empty; an exception will be thrown if search conditions are passed to this constructor |
select_options | search options; assumed to have already been processed for validity before this call; contains:
|
DBSELECT-BULK-ERROR | where_cond must be empty |
Returns the record description, if available.
Returns a hash of lists according to the block size.
INVALID-ITERATOR | the iterator is not pointing at a valid element |