MySQL Connector/J 9.2.0 · com.mysql.cj.xdevapi.FetchResult

public Interface FetchResult<T>

A set of elements from a query command.

Method Summary

Modifier and Type	Method and Description
public long	Returns: number of elements in result count() How many items are in this result?
public List<T>	Returns: list of result elements fetchAll() Create a list of all elements in the result forcing internal buffering.
public default T	Returns: element of type T fetchOne() Fetch the next element.
public default boolean	Returns: true if has data hasData() Does this result have data?
public default Iterator<T>	Returns: iterator over result items iterator() Implements java.lang.Iterable.iterator. Create an iterator over all elements of the result.

Inherited from java.lang.Iterable:: forEach spliterator
Inherited from java.util.Iterator:: forEachRemaining hasNext next remove

Method Detail

count	back to summary
public long count() How many items are in this result? This method forces internal buffering of the entire result. Returns:long number of elements in result

count

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public long count()

How many items are in this result? This method forces internal buffering of the entire result.

Returns:long: number of elements in result

fetchAll	back to summary
public List<T> fetchAll() Create a list of all elements in the result forcing internal buffering. Returns:List<T> list of result elements

fetchAll

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public List<T> fetchAll()

Create a list of all elements in the result forcing internal buffering.

Returns:List<T>: list of result elements

fetchOne	back to summary
public default T fetchOne() Fetch the next element. Returns:T element of type T

fetchOne

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public default T fetchOne()

Fetch the next element.

Returns:T: element of type T

hasData	back to summary
public default boolean hasData() Does this result have data? This indicates that the result was produced from a data-returning query. It does not indicate whether there are more than 0 rows in the result. Returns:boolean true if has data

hasData

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public default boolean hasData()

Does this result have data? This indicates that the result was produced from a data-returning query. It does not indicate whether there are more than 0 rows in the result.

Returns:boolean: true if has data

iterator	back to summary
public default Iterator<T> iterator() Implements java.lang.Iterable.iterator. Create an iterator over all elements of the result. Returns:Iterator<T> iterator over result items Annotations @Override

iterator

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public default Iterator<T> iterator()

Implements java.lang.Iterable.iterator.

Create an iterator over all elements of the result.

Returns:Iterator<T>

iterator over result items

Annotations

@Override