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

Class PredicateStatement<PARAMS,ENTITY extends tech.ydb.yoj.repository.db.Entity<ENTITY>,RESULT>

java.lang.Object

tech.ydb.yoj.repository.ydb.statement.YqlStatement<PARAMS,ENTITY,RESULT>

tech.ydb.yoj.repository.ydb.statement.PredicateStatement<PARAMS,ENTITY,RESULT>

All Implemented Interfaces:

Statement<PARAMS,RESULT>

Direct Known Subclasses:

CountAllStatement, FindStatement

public abstract class PredicateStatement<PARAMS,ENTITY extends tech.ydb.yoj.repository.db.Entity<ENTITY>,RESULT>
extends YqlStatement<PARAMS,ENTITY,RESULT>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	PredicateStatement.CollectionKind
static enum	PredicateStatement.ComplexField

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

Statement.QueryType

Field Summary

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
PredicateStatement(@NonNull tech.ydb.yoj.repository.db.EntitySchema<ENTITY> schema, @NonNull Schema<RESULT> outSchema, PARAMS params, @NonNull Function<PARAMS,YqlPredicate> getPredicate)	Deprecated, for removal: This API element is subject to removal in a future version. Use constructor with TableDescriptor for selecting correct entity table
PredicateStatement(@NonNull tech.ydb.yoj.repository.db.TableDescriptor<ENTITY> tableDescriptor, @NonNull tech.ydb.yoj.repository.db.EntitySchema<ENTITY> schema, @NonNull Schema<RESULT> outSchema, PARAMS params, @NonNull Function<PARAMS,YqlPredicate> getPredicate)

Method Summary

Modifier and Type	Method	Description
protected tech.ydb.proto.ValueProtos.TypedValue	createTQueryParameter(YqlType yqlType, Object o, boolean optional)
protected String	declarations()
protected Collection<YqlStatementParam>	getParams()
protected tech.ydb.proto.ValueProtos.Type.Builder	getYqlType(YqlType yqlType, boolean optional)
protected tech.ydb.proto.ValueProtos.Value.Builder	getYqlValue(YqlType type, Object value)
Map<String,tech.ydb.proto.ValueProtos.TypedValue>	toQueryParameters(PARAMS params)	Returns the query's parameter values as YDB protobuf structures.

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

equals, escape, getDeclaration, getInSchemaType, hashCode, isPreparable, mergeParts, mergeParts, nameEqVars, outNames, 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

getQuery, getQueryType, readFromCache, toDebugString

Constructor Details

PredicateStatement

@Deprecated(forRemoval=true)
public PredicateStatement(@NonNull
 @NonNull tech.ydb.yoj.repository.db.EntitySchema<ENTITY> schema,
 @NonNull
 @NonNull Schema<RESULT> outSchema,
 @NonNull
 PARAMS params,
 @NonNull
 @NonNull Function<PARAMS,YqlPredicate> getPredicate)

Deprecated, for removal: This API element is subject to removal in a future version.

Use constructor with TableDescriptor for selecting correct entity table

PredicateStatement

public PredicateStatement(@NonNull
 @NonNull tech.ydb.yoj.repository.db.TableDescriptor<ENTITY> tableDescriptor,
 @NonNull
 @NonNull tech.ydb.yoj.repository.db.EntitySchema<ENTITY> schema,
 @NonNull
 @NonNull Schema<RESULT> outSchema,
 @NonNull
 PARAMS params,
 @NonNull
 @NonNull Function<PARAMS,YqlPredicate> getPredicate)

Method Details

getParams

protected Collection<YqlStatementParam> getParams()

Overrides:

getParams in class YqlStatement<PARAMS,ENTITY extends tech.ydb.yoj.repository.db.Entity<ENTITY>,RESULT>

declarations

protected String declarations()

Overrides:

declarations in class YqlStatement<PARAMS,ENTITY extends tech.ydb.yoj.repository.db.Entity<ENTITY>,RESULT>

createTQueryParameter

protected tech.ydb.proto.ValueProtos.TypedValue createTQueryParameter(YqlType yqlType,
 Object o,
 boolean optional)

Overrides:

createTQueryParameter in class YqlStatement<PARAMS,ENTITY extends tech.ydb.yoj.repository.db.Entity<ENTITY>,RESULT>

getYqlType

protected tech.ydb.proto.ValueProtos.Type.Builder getYqlType(YqlType yqlType,
 boolean optional)

Overrides:

getYqlType in class YqlStatement<PARAMS,ENTITY extends tech.ydb.yoj.repository.db.Entity<ENTITY>,RESULT>

getYqlValue

protected tech.ydb.proto.ValueProtos.Value.Builder getYqlValue(YqlType type,
 Object value)

Overrides:

getYqlValue in class YqlStatement<PARAMS,ENTITY extends tech.ydb.yoj.repository.db.Entity<ENTITY>,RESULT>

toQueryParameters

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

Description copied from interface: Statement

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

Specified by:

toQueryParameters in interface Statement<PARAMS,ENTITY extends tech.ydb.yoj.repository.db.Entity<ENTITY>>

Overrides:

toQueryParameters in class YqlStatement<PARAMS,ENTITY extends tech.ydb.yoj.repository.db.Entity<ENTITY>,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