Package com.mysql.cj.xdevapi

Class SelectStatementImpl

java.lang.Object

com.mysql.cj.xdevapi.PreparableStatement<RES_T>

com.mysql.cj.xdevapi.FilterableStatement<SelectStatement,RowResult>

com.mysql.cj.xdevapi.SelectStatementImpl

All Implemented Interfaces:

SelectStatement, Statement<SelectStatement,RowResult>

public class SelectStatementImpl
extends FilterableStatement<SelectStatement,RowResult>
implements SelectStatement

SelectStatement implementation.

Nested Class Summary

Nested classes/interfaces inherited from class com.mysql.cj.xdevapi.PreparableStatement

PreparableStatement.PreparableStatementFinalizer, PreparableStatement.PreparedState

Nested classes/interfaces inherited from interface com.mysql.cj.xdevapi.Statement

Statement.LockContention

Field Summary

Fields inherited from class com.mysql.cj.xdevapi.FilterableStatement

filterParams

Fields inherited from class com.mysql.cj.xdevapi.PreparableStatement

mysqlxSession, preparedState, preparedStatementId

Method Summary

Modifier and Type	Method	Description
java.util.concurrent.CompletableFuture<RowResult>	executeAsync()	Execute the statement asynchronously.
protected RowResult	executePreparedStatement()	Executes a previously server-prepared statement.
protected RowResult	executeStatement()	Executes the statement directly (non-prepared).
FilterParams	getFilterParams()	Return FilterParams defined for this statement.
protected XMessage	getPrepareStatementXMessage()	Returns the XMessage needed to prepare this statement.
SelectStatement	groupBy(java.lang.String... groupBy)	Add/replace the aggregation fields for this query.
SelectStatement	having(java.lang.String having)	Add/replace the aggregate criteria for this query.
SelectStatement	lockExclusive()	Locks matching rows exclusively so no other transactions can read or write to them.
SelectStatement	lockExclusive(Statement.LockContention lockContention)	Locks matching rows exclusively so no other transactions can read or write to them, using the provided lock contention option.
SelectStatement	lockShared()	Locks matching rows against updates.
SelectStatement	lockShared(Statement.LockContention lockContention)	Locks matching rows against updates using the provided lock contention option.

Methods inherited from class com.mysql.cj.xdevapi.FilterableStatement

bind, clearBindings, isRelational, limit, offset, orderBy, sort, where

Methods inherited from class com.mysql.cj.xdevapi.PreparableStatement

deallocatePrepared, execute, getMessageBuilder, resetPrepareState, setReprepareState

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.mysql.cj.xdevapi.SelectStatement

limit, offset, orderBy, where

Methods inherited from interface com.mysql.cj.xdevapi.Statement

bind, bind, bind, bind, clearBindings, execute

Method Details

executeStatement

protected RowResult executeStatement()

Description copied from class: PreparableStatement

Executes the statement directly (non-prepared). Implementation is dependent on the statement type.

Specified by:

executeStatement in class PreparableStatement<RowResult>

Returns:

the object returned from the lower level statement execution

getPrepareStatementXMessage

protected XMessage getPrepareStatementXMessage()

Description copied from class: PreparableStatement

Returns the XMessage needed to prepare this statement. Implementation is dependent on the statement type.

Specified by:

getPrepareStatementXMessage in class PreparableStatement<RowResult>

Returns:

the XMessage that prepares this statement

executePreparedStatement

protected RowResult executePreparedStatement()

Description copied from class: PreparableStatement

Executes a previously server-prepared statement. Implementation is dependent on the statement type.

Specified by:

executePreparedStatement in class PreparableStatement<RowResult>

Returns:

the object returned from the lower level statement execution

executeAsync

public java.util.concurrent.CompletableFuture<RowResult> executeAsync()

Description copied from interface: Statement

Execute the statement asynchronously.

Specified by:

executeAsync in interface Statement<SelectStatement,RowResult>

Returns:

CompletableFuture for result

groupBy

public SelectStatement groupBy(java.lang.String... groupBy)

Description copied from interface: SelectStatement

Add/replace the aggregation fields for this query.

Specified by:

groupBy in interface SelectStatement

Parameters:

groupBy - groupBy expression

Returns:

SelectStatement

having

public SelectStatement having(java.lang.String having)

Description copied from interface: SelectStatement

Add/replace the aggregate criteria for this query.

Specified by:

having in interface SelectStatement

Parameters:

having - having expression

Returns:

SelectStatement

getFilterParams

public FilterParams getFilterParams()

Description copied from interface: SelectStatement

Return FilterParams defined for this statement.

Specified by:

getFilterParams in interface SelectStatement

Returns:

FilterParams

lockShared

public SelectStatement lockShared()

Description copied from interface: SelectStatement

Locks matching rows against updates.

Specified by:

lockShared in interface SelectStatement

Returns:

SelectStatement

lockShared

public SelectStatement lockShared(Statement.LockContention lockContention)

Description copied from interface: SelectStatement

Locks matching rows against updates using the provided lock contention option.

Specified by:

lockShared in interface SelectStatement

Parameters:

lockContention - The Statement.LockContention value to set.

Returns:

SelectStatement

lockExclusive

public SelectStatement lockExclusive()

Description copied from interface: SelectStatement

Locks matching rows exclusively so no other transactions can read or write to them.

Specified by:

lockExclusive in interface SelectStatement

Returns:

SelectStatement

lockExclusive

public SelectStatement lockExclusive(Statement.LockContention lockContention)

Description copied from interface: SelectStatement

Locks matching rows exclusively so no other transactions can read or write to them, using the provided lock contention option.

Specified by:

lockExclusive in interface SelectStatement

Parameters:

lockContention - The Statement.LockContention value to set.

Returns:

SelectStatement