| Qore DbDataProvider Module Reference 1.0

DbSelectRecordIterator.qc.dox.h
1 // -*- mode: c++; indent-tabs-mode: nil -*-
3
25 // minimum required Qore version
26 // assume local scope for variables, do not use "$" signs
27 // require type definitions everywhere
29 // enable all warnings
30
32 namespace DbDataProvider {
34 class DbSelectRecordIterator : public AbstractDbRecordIterator {
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36 public:
37 protected:
39 *hash<auto> where_cond;
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41 public:
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50 constructor(AbstractDatasource ds, *hash<auto> where_cond, hash<auto> select_options)
51 : AbstractDbRecordIterator(!ds.currentThreadInTransaction(), DbSelectRecordIterator::prepareStatement(ds.getSQLStatement(), select_options));
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62 bool next();
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72 auto memberGate(string key);
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76 protected:
77 static AbstractSQLStatement prepareStatement(AbstractSQLStatement stmt, hash<auto> select_options);
78 public:
79
80 };
81 };
DbDataProvider::AbstractDbRecordIterator::next
bool next()
Increments the row pointer when retrieving rows from a select statement; returns True if there is a r...
DbDataProvider::DbSelectRecordIterator
Defines the record iterator class for Table-based iterators.
Definition: DbSelectRecordIterator.qc.dox.h:34
DbDataProvider::AbstractDbRecordIterator
Defines the record iterator class for Table-based iterators.
Definition: AbstractDbRecordIterator.qc.dox.h:34
DbDataProvider::DbSelectRecordIterator::where_cond
*hash< auto > where_cond
search conditions
Definition: DbSelectRecordIterator.qc.dox.h:39
DbDataProvider::AbstractDbRecordIterator::stmt
AbstractSQLStatement stmt
the statement being iterated
Definition: AbstractDbRecordIterator.qc.dox.h:39
DbDataProvider::DbSelectRecordIterator::memberGate
auto memberGate(string key)
Returns the value of the given field in the current record, if the iterator is valid.
DbDataProvider::DbSelectRecordIterator::prepareStatement
static AbstractSQLStatement prepareStatement(AbstractSQLStatement stmt, hash< auto > select_options)
Prepares the AbstractSQLStatement object for the iterator.
DbDataProvider
Qore AbstractDbRecordIterator class definition.
Definition: AbstractDbRecordIterator.qc.dox.h:32
DbDataProvider::AbstractDbRecordIterator::constructor
constructor(bool release_transaction, AbstractSQLStatement stmt)
creates the iterator