Uses of Interface
com.landawn.abacus.jdbc.Jdbc.RowMapper

Packages that use Jdbc.RowMapper

Package	Description
com.landawn.abacus.jdbc
com.landawn.abacus.jdbc.dao

Uses of Jdbc.RowMapper in com.landawn.abacus.jdbc

Fields in com.landawn.abacus.jdbc declared as Jdbc.RowMapper

Modifier and Type	Field	Description
static final Jdbc.RowMapper<BigDecimal>	Jdbc.Columns.ColumnOne.GET_BIG_DECIMAL
static final Jdbc.RowMapper<InputStream>	Jdbc.Columns.ColumnOne.GET_BINARY_STREAM
static final Jdbc.RowMapper<Blob>	Jdbc.Columns.ColumnOne.GET_BLOB
static final Jdbc.RowMapper<Boolean>	Jdbc.Columns.ColumnOne.GET_BOOLEAN
static final Jdbc.RowMapper<Byte>	Jdbc.Columns.ColumnOne.GET_BYTE
static final Jdbc.RowMapper<byte[]>	Jdbc.Columns.ColumnOne.GET_BYTES
static final Jdbc.RowMapper<Reader>	Jdbc.Columns.ColumnOne.GET_CHARACTER_STREAM
static final Jdbc.RowMapper<Clob>	Jdbc.Columns.ColumnOne.GET_CLOB
static final Jdbc.RowMapper<Date>	Jdbc.Columns.ColumnOne.GET_DATE
static final Jdbc.RowMapper<Double>	Jdbc.Columns.ColumnOne.GET_DOUBLE
static final Jdbc.RowMapper<Float>	Jdbc.Columns.ColumnOne.GET_FLOAT
static final Jdbc.RowMapper<Integer>	Jdbc.Columns.ColumnOne.GET_INT
static final Jdbc.RowMapper<Long>	Jdbc.Columns.ColumnOne.GET_LONG
static final Jdbc.RowMapper<Object>	Jdbc.Columns.ColumnOne.GET_OBJECT
static final Jdbc.RowMapper<Short>	Jdbc.Columns.ColumnOne.GET_SHORT
static final Jdbc.RowMapper<String>	Jdbc.Columns.ColumnOne.GET_STRING
static final Jdbc.RowMapper<Time>	Jdbc.Columns.ColumnOne.GET_TIME
static final Jdbc.RowMapper<Timestamp>	Jdbc.Columns.ColumnOne.GET_TIMESTAMP

Methods in com.landawn.abacus.jdbc that return Jdbc.RowMapper

Modifier and Type	Method	Description
default <R> Jdbc.RowMapper<R>	Jdbc.RowMapper.andThen(com.landawn.abacus.util.Throwables.Function<? super T,? extends R,SQLException> after)
static <A, B, C> Jdbc.RowMapper<com.landawn.abacus.util.Tuple.Tuple3<A,B,C>>	Jdbc.RowMapper.combine(Jdbc.RowMapper<? extends A> rowMapper1, Jdbc.RowMapper<? extends B> rowMapper2, Jdbc.RowMapper<? extends C> rowMapper3)
static <T, U> Jdbc.RowMapper<com.landawn.abacus.util.Tuple.Tuple2<T,U>>	Jdbc.RowMapper.combine(Jdbc.RowMapper<? extends T> rowMapper1, Jdbc.RowMapper<? extends U> rowMapper2)
static <T> Jdbc.RowMapper<T>	Jdbc.Columns.ColumnOne.get(com.landawn.abacus.type.Type<? extends T> type)	Gets the values from the first column.
static <T> Jdbc.RowMapper<T>	Jdbc.Columns.ColumnOne.get(Class<? extends T> firstColumnType)	Gets the values from the first column.
static <T> Jdbc.RowMapper<T>	Jdbc.Columns.ColumnOne.getObject()
static <T> Jdbc.RowMapper<T>	Jdbc.Columns.ColumnOne.readJson(Class<? extends T> targetType)	Convert the JSON string from the first column to instance of target type.
static <T> Jdbc.RowMapper<T>	Jdbc.Columns.ColumnOne.readXml(Class<? extends T> targetType)	Convert the JSON string from the first column to instance of target type.
<R> Jdbc.RowMapper<R>	Jdbc.RowMapper.RowMapperBuilder.to(com.landawn.abacus.util.Throwables.Function<com.landawn.abacus.util.NoCachingNoUpdating.DisposableObjArray,R,SQLException> finisher)	It's stateful.
Jdbc.RowMapper<Object[]>	Jdbc.RowMapper.RowMapperBuilder.toArray()	Don't cache or reuse the returned RowMapper instance.
static Jdbc.RowMapper<Object[]>	Jdbc.RowMapper.toArray(Jdbc.ColumnGetter<?> columnGetterForAll)
static <C extends Collection<?>> Jdbc.RowMapper<C>	Jdbc.RowMapper.toCollection(Jdbc.ColumnGetter<?> columnGetterForAll, IntFunction<C> supplier)
static Jdbc.RowMapper<com.landawn.abacus.util.NoCachingNoUpdating.DisposableObjArray>	Jdbc.RowMapper.toDisposableObjArray()	It's stateful.
static Jdbc.RowMapper<com.landawn.abacus.util.NoCachingNoUpdating.DisposableObjArray>	Jdbc.RowMapper.toDisposableObjArray(Class<?> entityClass)	It's stateful.
Jdbc.RowMapper<List<Object>>	Jdbc.RowMapper.RowMapperBuilder.toList()	Don't cache or reuse the returned RowMapper instance.
static Jdbc.RowMapper<List<Object>>	Jdbc.RowMapper.toList(Jdbc.ColumnGetter<?> columnGetterForAll)
default Jdbc.RowMapper<T>	Jdbc.BiRowMapper.toRowMapper()	Deprecated. because it's stateful and may be misused easily&frequently

Methods in com.landawn.abacus.jdbc with parameters of type Jdbc.RowMapper

Modifier and Type	Method	Description
<ID> List<ID>	AbstractQuery.batchInsert(Jdbc.RowMapper<? extends ID> autoGeneratedKeyExtractor)
<T> com.landawn.abacus.util.Tuple.Tuple2<int[],List<T>>	AbstractQuery.batchUpdateAndReturnGeneratedKeys(Jdbc.RowMapper<T> autoGeneratedKeyExtractor)
static <A, B, C> Jdbc.RowMapper<com.landawn.abacus.util.Tuple.Tuple3<A,B,C>>	Jdbc.RowMapper.combine(Jdbc.RowMapper<? extends A> rowMapper1, Jdbc.RowMapper<? extends B> rowMapper2, Jdbc.RowMapper<? extends C> rowMapper3)
static <T, U> Jdbc.RowMapper<com.landawn.abacus.util.Tuple.Tuple2<T,U>>	Jdbc.RowMapper.combine(Jdbc.RowMapper<? extends T> rowMapper1, Jdbc.RowMapper<? extends U> rowMapper2)
<T> com.landawn.abacus.util.u.Optional<T>	AbstractQuery.findFirst(Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)	Deprecated. Use {@link stream(RowFilter, RowMapper).first()} instead.
<T> com.landawn.abacus.util.u.Optional<T>	AbstractQuery.findFirst(Jdbc.RowMapper<? extends T> rowMapper)
<T> T	AbstractQuery.findFirstOrNull(Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)	Deprecated. Use {@link stream(RowFilter, RowMapper).first()} instead.
<T> T	AbstractQuery.findFirstOrNull(Jdbc.RowMapper<? extends T> rowMapper)
<T> com.landawn.abacus.util.u.Optional<T>	AbstractQuery.findOnlyOne(Jdbc.RowMapper<? extends T> rowMapper)
<T> T	AbstractQuery.findOnlyOneOrNull(Jdbc.RowMapper<? extends T> rowMapper)
static <K, V> Jdbc.ResultExtractor<Map<K,List<V>>>	Jdbc.ResultExtractor.groupTo(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor)
static <K, V, M extends Map<K, List<V>>> Jdbc.ResultExtractor<M>	Jdbc.ResultExtractor.groupTo(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor, Supplier<? extends M> supplier)
static <K, V, D> Jdbc.ResultExtractor<Map<K,D>>	Jdbc.ResultExtractor.groupTo(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor, Collector<? super V,?,D> downstream)
static <K, V, D, M extends Map<K, D>> Jdbc.ResultExtractor<M>	Jdbc.ResultExtractor.groupTo(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor, Collector<? super V,?,D> downstream, Supplier<? extends M> supplier)
<ID> com.landawn.abacus.util.u.Optional<ID>	AbstractQuery.insert(Jdbc.RowMapper<? extends ID> autoGeneratedKeyExtractor)
<T> List<T>	AbstractQuery.list(Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)	Lists the rows in the first ResultSet.
<T> List<T>	AbstractQuery.list(Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper, int maxResult)	Lists the rows in the first ResultSet.
<T> List<T>	AbstractQuery.list(Jdbc.RowMapper<? extends T> rowMapper)	Lists the rows in the first ResultSet.
<T> List<T>	AbstractQuery.list(Jdbc.RowMapper<? extends T> rowMapper, int maxResult)	Deprecated. the result size should be limited in database server side by sql scripts.
<T> com.landawn.abacus.util.Tuple.Tuple2<List<T>,Jdbc.OutParamResult>	CallableQuery.listAndGetOutParameters(Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)
<T> com.landawn.abacus.util.Tuple.Tuple2<List<T>,Jdbc.OutParamResult>	CallableQuery.listAndGetOutParameters(Jdbc.RowMapper<? extends T> rowMapper)
<T> List<List<T>>	AbstractQuery.listMultiResultsets(Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)	Lists all the ResultSets.
<T> List<List<T>>	AbstractQuery.listMultiResultsets(Jdbc.RowMapper<? extends T> rowMapper)	Lists all the ResultSets.
<T> com.landawn.abacus.util.Tuple.Tuple2<List<List<T>>,Jdbc.OutParamResult>	CallableQuery.listMultiResultsetsAndGetOutParameters(Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)
<T> com.landawn.abacus.util.Tuple.Tuple2<List<List<T>>,Jdbc.OutParamResult>	CallableQuery.listMultiResultsetsAndGetOutParameters(Jdbc.RowMapper<? extends T> rowMapper)
<T, E extends Exception> void	AbstractQuery.listThenAccept(Jdbc.RowMapper<? extends T> rowMapper, com.landawn.abacus.util.Throwables.Consumer<? super List<T>,E> consumer)
<T, R, E extends Exception> R	AbstractQuery.listThenApply(Jdbc.RowMapper<? extends T> rowMapper, com.landawn.abacus.util.Throwables.Function<? super List<T>,? extends R,E> func)
static <T, ID, SB extends com.landawn.abacus.util.SQLBuilder, TD extends CrudDao<T, ID, SB, TD>> void	JdbcUtil.setIdExtractorForDao(Class<? extends CrudDao<T,ID,SB,TD>> daoInterface, Jdbc.RowMapper<? extends ID> idExtractor)
<T> com.landawn.abacus.util.CheckedStream<T,SQLException>	AbstractQuery.stream(Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)	Streams the rows in the first ResultSet.
<T> com.landawn.abacus.util.CheckedStream<T,SQLException>	AbstractQuery.stream(Jdbc.RowMapper<? extends T> rowMapper)	Streams the rows in the first ResultSet.
static <T> com.landawn.abacus.util.CheckedStream<T,SQLException>	JdbcUtil.stream(ResultSet resultSet, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)	It's user's responsibility to close the input resultSet after the stream is finished, or call: JdbcUtil.stream(resultset).onClose(Fn.closeQuietly(resultSet))...
static <T> com.landawn.abacus.util.CheckedStream<T,SQLException>	JdbcUtil.stream(ResultSet resultSet, Jdbc.RowMapper<? extends T> rowMapper)	It's user's responsibility to close the input resultSet after the stream is finished, or call: JdbcUtil.stream(resultset).onClose(Fn.closeQuietly(resultSet))...
static <T> com.landawn.abacus.util.CheckedStream<com.landawn.abacus.util.CheckedStream<T,SQLException>,SQLException>	JdbcUtil.streamAllResultSets(Statement stmt, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)	It's user's responsibility to close the input stmt after the stream is finished, or call: JdbcUtil.streamAllResultSets(stmt, rowFilter, rowMapper).onClose(Fn.closeQuietly(stmt))...
static <T> com.landawn.abacus.util.CheckedStream<com.landawn.abacus.util.CheckedStream<T,SQLException>,SQLException>	JdbcUtil.streamAllResultSets(Statement stmt, Jdbc.RowMapper<? extends T> rowMapper)	It's user's responsibility to close the input stmt after the stream is finished, or call: JdbcUtil.streamAllResultSets(stmt, rowMapper).onClose(Fn.closeQuietly(stmt))...
<T> com.landawn.abacus.util.CheckedStream<com.landawn.abacus.util.CheckedStream<T,SQLException>,SQLException>	AbstractQuery.streamMultiResultsets(Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)	Streams all the ResultSets.
<T> com.landawn.abacus.util.CheckedStream<com.landawn.abacus.util.CheckedStream<T,SQLException>,SQLException>	AbstractQuery.streamMultiResultsets(Jdbc.RowMapper<? extends T> rowMapper)	Streams all the ResultSets.
static <T> Jdbc.ResultExtractor<List<T>>	Jdbc.ResultExtractor.toList(Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends T> rowMapper)
static <T> Jdbc.ResultExtractor<List<T>>	Jdbc.ResultExtractor.toList(Jdbc.RowMapper<? extends T> rowMapper)
static <K, V> Jdbc.ResultExtractor<Map<K,V>>	Jdbc.ResultExtractor.toMap(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor)
static <K, V> Jdbc.ResultExtractor<Map<K,V>>	Jdbc.ResultExtractor.toMap(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor, BinaryOperator<V> mergeFunction)
static <K, V, M extends Map<K, V>> Jdbc.ResultExtractor<M>	Jdbc.ResultExtractor.toMap(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor, BinaryOperator<V> mergeFunction, Supplier<? extends M> supplier)
static <K, V, M extends Map<K, V>> Jdbc.ResultExtractor<M>	Jdbc.ResultExtractor.toMap(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor, Supplier<? extends M> supplier)
static <K, V, D> Jdbc.ResultExtractor<Map<K,D>>	Jdbc.ResultExtractor.toMap(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor, Collector<? super V,?,D> downstream)	Deprecated. replaced by groupTo(RowMapper, RowMapper, Collector)
static <K, V, D, M extends Map<K, D>> Jdbc.ResultExtractor<M>	Jdbc.ResultExtractor.toMap(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor, Collector<? super V,?,D> downstream, Supplier<? extends M> supplier)	Deprecated. replaced by groupTo(RowMapper, RowMapper, Collector, Supplier)
static <K, V> Jdbc.ResultExtractor<com.landawn.abacus.util.ListMultimap<K,V>>	Jdbc.ResultExtractor.toMultimap(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor)
static <K, V, C extends Collection<V>, M extends com.landawn.abacus.util.Multimap<K, V, C>> Jdbc.ResultExtractor<M>	Jdbc.ResultExtractor.toMultimap(Jdbc.RowMapper<? extends K> keyExtractor, Jdbc.RowMapper<? extends V> valueExtractor, Supplier<? extends M> multimapSupplier)
<T> com.landawn.abacus.util.Tuple.Tuple2<Integer,List<T>>	AbstractQuery.updateAndReturnGeneratedKeys(Jdbc.RowMapper<T> autoGeneratedKeyExtractor)

Uses of Jdbc.RowMapper in com.landawn.abacus.jdbc.dao

Methods in com.landawn.abacus.jdbc.dao with parameters of type Jdbc.RowMapper

Modifier and Type	Method	Description
<R> com.landawn.abacus.util.u.Optional<R>	Dao.findFirst(com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> com.landawn.abacus.util.u.Optional<R>	Dao.findFirst(Collection<String> selectPropNames, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> com.landawn.abacus.util.u.Optional<R>	UncheckedDao.findFirst(com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> com.landawn.abacus.util.u.Optional<R>	UncheckedDao.findFirst(Collection<String> selectPropNames, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> com.landawn.abacus.util.u.Optional<R>	Dao.findOnlyOne(com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> com.landawn.abacus.util.u.Optional<R>	Dao.findOnlyOne(Collection<String> selectPropNames, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> com.landawn.abacus.util.u.Optional<R>	UncheckedDao.findOnlyOne(com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> com.landawn.abacus.util.u.Optional<R>	UncheckedDao.findOnlyOne(Collection<String> selectPropNames, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> List<R>	Dao.list(com.landawn.abacus.condition.Condition cond, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends R> rowMapper)
<R> List<R>	Dao.list(com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
default <R> List<R>	Dao.list(String singleSelectPropName, com.landawn.abacus.condition.Condition cond, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends R> rowMapper)
default <R> List<R>	Dao.list(String singleSelectPropName, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> List<R>	Dao.list(Collection<String> selectPropNames, com.landawn.abacus.condition.Condition cond, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends R> rowMapper)
<R> List<R>	Dao.list(Collection<String> selectPropNames, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> List<R>	UncheckedDao.list(com.landawn.abacus.condition.Condition cond, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends R> rowMapper)
<R> List<R>	UncheckedDao.list(com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
default <R> List<R>	UncheckedDao.list(String singleSelectPropName, com.landawn.abacus.condition.Condition cond, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends R> rowMapper)
default <R> List<R>	UncheckedDao.list(String singleSelectPropName, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<R> List<R>	UncheckedDao.list(Collection<String> selectPropNames, com.landawn.abacus.condition.Condition cond, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends R> rowMapper)
<R> List<R>	UncheckedDao.list(Collection<String> selectPropNames, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)
<V> com.landawn.abacus.util.u.Optional<V>	CrudDao.queryForSingleNonNull(String singleSelectPropName, ID id, Jdbc.RowMapper<? extends V> rowMapper)	Returns an Optional describing the value in the first row/column if it exists, otherwise return an empty Optional.
default <V> com.landawn.abacus.util.u.Optional<V>	CrudDaoL.queryForSingleNonNull(String singleSelectPropName, long id, Jdbc.RowMapper<? extends V> rowMapper)
<V> com.landawn.abacus.util.u.Optional<V>	Dao.queryForSingleNonNull(String singleSelectPropName, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends V> rowMapper)	Returns an Optional describing the value in the first row/column if it exists, otherwise return an empty Optional.
<V> com.landawn.abacus.util.u.Optional<V>	UncheckedCrudDao.queryForSingleNonNull(String singleSelectPropName, ID id, Jdbc.RowMapper<? extends V> rowMapper)	Returns an Optional describing the value in the first row/column if it exists, otherwise return an empty Optional.
default <V> com.landawn.abacus.util.u.Optional<V>	UncheckedCrudDaoL.queryForSingleNonNull(String singleSelectPropName, long id, Jdbc.RowMapper<? extends V> rowMapper)
<V> com.landawn.abacus.util.u.Optional<V>	UncheckedDao.queryForSingleNonNull(String singleSelectPropName, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends V> rowMapper)	Returns an Optional describing the value in the first row/column if it exists, otherwise return an empty Optional.
<V> com.landawn.abacus.util.u.Optional<V>	CrudDao.queryForUniqueNonNull(String singleSelectPropName, ID id, Jdbc.RowMapper<? extends V> rowMapper)	Returns an Optional describing the value in the first row/column if it exists, otherwise return an empty Optional.
default <V> com.landawn.abacus.util.u.Optional<V>	CrudDaoL.queryForUniqueNonNull(String singleSelectPropName, long id, Jdbc.RowMapper<? extends V> rowMapper)
<V> com.landawn.abacus.util.u.Optional<V>	Dao.queryForUniqueNonNull(String singleSelectPropName, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends V> rowMapper)	Returns an Optional describing the value in the first row/column if it exists, otherwise return an empty Optional.
<V> com.landawn.abacus.util.u.Optional<V>	UncheckedCrudDao.queryForUniqueNonNull(String singleSelectPropName, ID id, Jdbc.RowMapper<? extends V> rowMapper)	Returns an Optional describing the value in the first row/column if it exists, otherwise return an empty Optional.
default <V> com.landawn.abacus.util.u.Optional<V>	UncheckedCrudDaoL.queryForUniqueNonNull(String singleSelectPropName, long id, Jdbc.RowMapper<? extends V> rowMapper)
<V> com.landawn.abacus.util.u.Optional<V>	UncheckedDao.queryForUniqueNonNull(String singleSelectPropName, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends V> rowMapper)	Returns an Optional describing the value in the first row/column if it exists, otherwise return an empty Optional.
<R> com.landawn.abacus.util.CheckedStream<R,SQLException>	Dao.stream(com.landawn.abacus.condition.Condition cond, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends R> rowMapper)	Lazy execution, lazy fetching.
<R> com.landawn.abacus.util.CheckedStream<R,SQLException>	Dao.stream(com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)	lazy-execution, lazy-fetch.
default <R> com.landawn.abacus.util.CheckedStream<R,SQLException>	Dao.stream(String singleSelectPropName, com.landawn.abacus.condition.Condition cond, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends R> rowMapper)	Lazy execution, lazy fetching.
default <R> com.landawn.abacus.util.CheckedStream<R,SQLException>	Dao.stream(String singleSelectPropName, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)	Lazy execution, lazy fetching.
<R> com.landawn.abacus.util.CheckedStream<R,SQLException>	Dao.stream(Collection<String> selectPropNames, com.landawn.abacus.condition.Condition cond, Jdbc.RowFilter rowFilter, Jdbc.RowMapper<? extends R> rowMapper)	Lazy execution, lazy fetching.
<R> com.landawn.abacus.util.CheckedStream<R,SQLException>	Dao.stream(Collection<String> selectPropNames, com.landawn.abacus.condition.Condition cond, Jdbc.RowMapper<? extends R> rowMapper)	Lazy execution, lazy fetching.