Apex Reference Guide

Apex Reference Guide
Release Notes
Apex DML Operations
ApexPages Namespace
AppLauncher Namespace
Approval Namespace
Auth Namespace
Cache Namespace
Canvas Namespace
ChatterAnswers Namespace
CommerceBuyGrp Namespace
CommerceExtension Namespace
CommerceOrders Namespace
CommercePayments Namespace
CommerceTax Namespace
ComplianceMgmt Namespace
Compression Namespace
ConnectApi Namespace
Context Namespace
Database Namespace
Datacloud Namespace
DataRetrieval Namespace
DataSource Namespace
AsyncDeleteCallback Class
AsyncSaveCallback Class
AuthenticationCapability Enum
AuthenticationProtocol Enum
Capability Enum
Column Class
ColumnSelection Class
Connection Class
ConnectionParams Class
DataSourceUtil Class
DataType Enum
DeleteContext Class
DeleteResult Class
Filter Class
FilterType Enum
IdentityType Enum
Order Class
OrderDirection Enum
Provider Class
QueryAggregation Enum
QueryContext Class
QueryContext Properties
QueryContext Methods
QueryUtils Class
ReadContext Class
SearchContext Class
SearchUtils Class
Table Class
TableResult Class
TableSelection Class
UpsertContext Class
UpsertResult Class
DataSource Exceptions
DataWeave Namespace
Dom Namespace
embeddedai Namespace
EventBus Namespace
ExternalService Namespace
Flow Namespace
Flowtesting Namespace
FormulaEval Namespace
fsccashflow Namespace
Functions Namespace
ise_bots_apex Namespace
industriesNlpSvc
IndustriesDigitalLending Namespace
Invocable Namespace
InvoiceWriteOff Namespace
IsvPartners Namespace
KbManagement Namespace
LxScheduler Namespace
Messaging Namespace
Metadata Namespace
PlaceQuote Namespace
Pref_center Namespace
Process Namespace
QuickAction Namespace
Reports Namespace
RevSignaling Namespace
RevSalesTrxn Namespace
RichMessaging Namespace
Salesforce_Backup Namespace
Schema Namespace
Search Namespace
Sfc Namespace
Sfdc_Checkout Namespace
Sfdc_Enablement Namespace
sfdc_surveys Namespace
Site Namespace
Slack Namespace
Support Namespace
System Namespace
TerritoryMgmt Namespace
TxnSecurity Namespace
UserProvisioning Namespace
VisualEditor Namespace
Wave Namespace
Appendices
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QueryContext Class

An instance of QueryContext is provided to the query method on your DataSource.Connection class. The instance corresponds to a SOQL request.

Namespace

DataSource

QueryContext Properties

The following are properties for QueryContext.

queryMoreToken

Query token that’s used for server-driven paging to determine and fetch the subsequent batch of results.

Signature

public String queryMoreToken {get; set;}

Property Value

Type: String

tableSelection

Query details that represent the FROM, ORDER BY, SELECT, and WHERE clauses in a SOQL or SOSL query.

Signature

public DataSource.TableSelection tableSelection {get; set;}

Property Value

Type: DataSource.TableSelection

QueryContext Methods

The following are methods for QueryContext.

get(metadata, offset, maxResults, tableSelection)

Creates an instance of the QueryContext class.

Signature

public static DataSource.QueryContext get(List<DataSource.Table> metadata, Integer offset, Integer maxResults, DataSource.TableSelection tableSelection)

Parameters

metadata
Type: List<DataSource.Table>
List of table metadata that describes the external system’s tables to query.
offset
Type: Integer
Used for client-driven paging. Specifies the starting row offset into the query’s result set.
maxResults
Type: Integer
Used for client-driven paging. Specifies the maximum number of rows to return in each batch.
tableSelection
Type: DataSource.TableSelection
Query details that represent the FROM, ORDER BY, SELECT, and WHERE clauses in a SOQL or SOSL query.

Return Value

Type: DataSource.QueryContext