Package tech.ydb.yoj.repository.ydb.yql

Class YqlOrderBy

java.lang.Object

tech.ydb.yoj.repository.ydb.yql.YqlOrderBy

All Implemented Interfaces:

YqlStatementPart<YqlOrderBy>

public final class YqlOrderBy
extends Object
implements YqlStatementPart<YqlOrderBy>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	YqlOrderBy.Builder
static final class	YqlOrderBy.SortKey	Sort key: entity field plus sort order (either ascending or descending).
static enum	YqlOrderBy.SortOrder

Field Summary

Fields

Modifier and Type	Field	Description
static final String	TYPE

Method Summary

Modifier and Type	Method	Description
List<? extends YqlOrderBy>	combine(@NonNull List<? extends YqlOrderBy> other)
int	getPriority()
String	getType()
String	getYqlPrefix()
static YqlOrderBy.Builder	order()
static YqlOrderBy	orderBy(String fieldPath, String... otherFieldPaths)	Orders entities by the specified fields in ascending order.
static YqlOrderBy	orderBy(String fieldPath, YqlOrderBy.SortOrder order)	Orders entities by the specified field in the specified order.
static YqlOrderBy	orderBy(Collection<YqlOrderBy.SortKey> keys)	Orders entities by the specified keys.
static YqlOrderBy	orderBy(YqlOrderBy.SortKey key, YqlOrderBy.SortKey... otherKeys)	Orders entities by the specified keys.
String	toString()
<T extends tech.ydb.yoj.repository.db.Entity<T>> String	toYql(@NonNull tech.ydb.yoj.repository.db.EntitySchema<T> schema)

Methods inherited from class java.lang.Object

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

Methods inherited from interface tech.ydb.yoj.repository.ydb.yql.YqlStatementPart

toFullYql

Field Details

TYPE

public static final String TYPE

See Also:

• Constant Field Values

Method Details

orderBy

public static YqlOrderBy orderBy(String fieldPath,
 String... otherFieldPaths)

Orders entities by the specified fields in ascending order.

Parameters:

fieldPath - first field's path

otherFieldPaths - the rest of the fields' paths

Returns:

ORDER BY <field1> ASC, ..., <fieldN> ASC

See Also:

• order()

orderBy

public static YqlOrderBy orderBy(String fieldPath,
 YqlOrderBy.SortOrder order)

Orders entities by the specified field in the specified order.

Parameters:

fieldPath - first field's path

order - sort order

Returns:

ORDER BY <field> <sort order>

See Also:

• order()

orderBy

public static YqlOrderBy orderBy(YqlOrderBy.SortKey key,
 YqlOrderBy.SortKey... otherKeys)

Orders entities by the specified keys.

Parameters:

key - first sort key

otherKeys - remaining sort keys

Returns:

ORDER BY <field 1> <sort order 1>, ..., <field N> <sort order N>

See Also:

• YqlOrderBy.SortKey
• order()

orderBy

public static YqlOrderBy orderBy(Collection<YqlOrderBy.SortKey> keys)

Orders entities by the specified keys.

Parameters:

keys - sort keys

Returns:

ORDER BY <field 1> <sort order 1>, ..., <field N> <sort order N>

See Also:

• YqlOrderBy.SortKey
• order()

order

public static YqlOrderBy.Builder order()

Returns:

builder for YqlOrderBy

toYql

public <T extends tech.ydb.yoj.repository.db.Entity<T>>
String toYql(@NonNull
 @NonNull tech.ydb.yoj.repository.db.EntitySchema<T> schema)

Specified by:

toYql in interface YqlStatementPart<YqlOrderBy>

getType

public String getType()

Specified by:

getType in interface YqlStatementPart<YqlOrderBy>

getYqlPrefix

public String getYqlPrefix()

Specified by:

getYqlPrefix in interface YqlStatementPart<YqlOrderBy>

getPriority

public int getPriority()

Specified by:

getPriority in interface YqlStatementPart<YqlOrderBy>

combine

public List<? extends YqlOrderBy> combine(@NonNull
 @NonNull List<? extends YqlOrderBy> other)

Specified by:

combine in interface YqlStatementPart<YqlOrderBy>

toString

public String toString()

Overrides:

toString in class Object