Package tech.ydb.yoj.repository.ydb.statement

Class UpdateInStatement<T extends tech.ydb.yoj.repository.db.Entity<T>,RESULT>

java.lang.Object

tech.ydb.yoj.repository.ydb.statement.YqlStatement<UpdateInStatement.UpdateInStatementInput<T>,T,RESULT>

tech.ydb.yoj.repository.ydb.statement.UpdateInStatement<T,RESULT>

All Implemented Interfaces:

Statement<UpdateInStatement.UpdateInStatementInput<T>,RESULT>

public class UpdateInStatement<T extends tech.ydb.yoj.repository.db.Entity<T>,RESULT>
extends YqlStatement<UpdateInStatement.UpdateInStatementInput<T>,T,RESULT>

Creates statement for UPDATE table SET values=values WHERE PK IN (PK1, PK2, ...).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	UpdateInStatement.UpdateInStatementInput<T extends tech.ydb.yoj.repository.db.Entity<T>>

Nested classes/interfaces inherited from interface tech.ydb.yoj.repository.ydb.statement.Statement

Statement.QueryType

Field Summary

Fields

Modifier and Type	Field	Description
static final String	keysParam

Fields inherited from class tech.ydb.yoj.repository.ydb.statement.YqlStatement

itemsCollector, ORDER_BY_ID_ASCENDING, resultSchema, resultSetReader, schema, tableDescriptor

Constructor Summary

Constructors

Constructor	Description
UpdateInStatement(tech.ydb.yoj.repository.db.TableDescriptor<T> tableDescriptor, tech.ydb.yoj.repository.db.EntitySchema<T> schema, Schema<RESULT> resultSchema, UpdateInStatement.UpdateInStatementInput<T> in)

Method Summary

Modifier and Type	Method	Description
protected String	declarations()
List<YqlStatementParam>	getParams()
String	getQuery(String tablespace)	Returns parameterized YQL for this query.
Statement.QueryType	getQueryType()	Returns query type (for query merging purposes).
protected String	outNames()
String	toDebugString(UpdateInStatement.UpdateInStatementInput<T> in)	Returns debug representation of this query with the specified parameter values.
Map<String,tech.ydb.proto.ValueProtos.TypedValue>	toQueryParameters(UpdateInStatement.UpdateInStatementInput<T> params)	Returns the query's parameter values as YDB protobuf structures.

Methods inherited from class tech.ydb.yoj.repository.ydb.statement.YqlStatement

createTQueryParameter, equals, escape, getDeclaration, getInSchemaType, getYqlType, getYqlValue, hashCode, isPreparable, mergeParts, mergeParts, nameEqVars, readResult, resolveParamNames, storeToCache, table, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface tech.ydb.yoj.repository.ydb.statement.Statement

readFromCache

Field Details

keysParam

public static final String keysParam

See Also:

• Constant Field Values

Constructor Details

UpdateInStatement

public UpdateInStatement(tech.ydb.yoj.repository.db.TableDescriptor<T> tableDescriptor,
 tech.ydb.yoj.repository.db.EntitySchema<T> schema,
 Schema<RESULT> resultSchema,
 UpdateInStatement.UpdateInStatementInput<T> in)

Method Details

declarations

protected String declarations()

Overrides:

declarations in class YqlStatement<UpdateInStatement.UpdateInStatementInput<T extends tech.ydb.yoj.repository.db.Entity<T>>,T extends tech.ydb.yoj.repository.db.Entity<T>,RESULT>

getQueryType

public Statement.QueryType getQueryType()

Description copied from interface: Statement

Returns query type (for query merging purposes).

Returns:

query type

getQuery

public String getQuery(String tablespace)

Description copied from interface: Statement

Returns parameterized YQL for this query.

Parameters:

tablespace - base path for all tables referenced in the query

Returns:

YQL

getParams

public List<YqlStatementParam> getParams()

Overrides:

getParams in class YqlStatement<UpdateInStatement.UpdateInStatementInput<T extends tech.ydb.yoj.repository.db.Entity<T>>,T extends tech.ydb.yoj.repository.db.Entity<T>,RESULT>

toQueryParameters

public Map<String,tech.ydb.proto.ValueProtos.TypedValue> toQueryParameters(UpdateInStatement.UpdateInStatementInput<T> params)

Description copied from interface: Statement

Returns the query's parameter values as YDB protobuf structures.

Specified by:

toQueryParameters in interface Statement<T extends tech.ydb.yoj.repository.db.Entity<T>,RESULT>

Overrides:

toQueryParameters in class YqlStatement<UpdateInStatement.UpdateInStatementInput<T extends tech.ydb.yoj.repository.db.Entity<T>>,T extends tech.ydb.yoj.repository.db.Entity<T>,RESULT>

Parameters:

params - parameter values Might be null depending on the statement type, e.g. for DELETE statements.

Returns:

map: parameter name -> value as protobuf

outNames

protected String outNames()

Overrides:

outNames in class YqlStatement<UpdateInStatement.UpdateInStatementInput<T extends tech.ydb.yoj.repository.db.Entity<T>>,T extends tech.ydb.yoj.repository.db.Entity<T>,RESULT>

toDebugString

public String toDebugString(UpdateInStatement.UpdateInStatementInput<T> in)

Description copied from interface: Statement

Returns debug representation of this query with the specified parameter values.

Parameters:

in - parameter values. Might be null depending on the statement type, e.g. for DELETE statements.

Returns:

debug representation of the query parameterized with params