MyDAC

TDADataSetOptions Members

TDADataSetOptions class overview.

Properties

Name Description

AutoPrepare

Used to execute automatic TCustomDADataSet.Prepare on the query execution.

CacheCalcFields

Used to enable caching of the TField.Calculated and TField.Lookup fields.

CompressBlobMode

Used to store values of the BLOB fields in compressed form.

DefaultValues

Used to request default values/expressions from the server and assign them to the DefaultExpression property.

DetailDelay

Used to get or set a delay in milliseconds before refreshing detail dataset while navigating master dataset.

FieldsOrigin

Used for TCustomDADataSet to fill the Origin property of the TField objects by appropriate value when opening a dataset.

FlatBuffers

Used to control how a dataset treats data of the ftString and ftVarBytes fields.

InsertAllSetFields

Used to include all set dataset fields in the generated INSERT statement

LocalMasterDetail

Used for TCustomDADataSet to use local filtering to establish master/detail relationship for detail dataset and does not refer to the server.

LongStrings

Used to represent string fields with the length that is greater than 255 as TStringField.

MasterFieldsNullable

Allows to use NULL values in the fields by which the relation is built, when generating the query for the Detail tables (when this option is enabled, the performance can get worse).

NumberRange

Used to set the MaxValue and MinValue properties of TIntegerField and TFloatField to appropriate values.

QueryRecCount

Used for TCustomDADataSet to perform additional query to get the record count for this SELECT, so the RecordCount property reflects the actual number of records.

QuoteNames

Used for TCustomDADataSet to quote all database object names in autogenerated SQL statements such as update SQL.

RemoveOnRefresh

Used for a dataset to locally remove a record that can not be found on the server.

RequiredFields

Used for TCustomDADataSet to set the Required property of the TField objects for the NOT NULL fields.

ReturnParams

Used to return the new value of fields to dataset after insert or update.

SetFieldsReadOnly

Used for a dataset to set the ReadOnly property to True for all fields that do not belong to UpdatingTable or can not be updated.

StrictUpdate

Used for TCustomDADataSet to raise an exception when the number of updated or deleted records is not equal 1.

UpdateAllFields

Used to include all dataset fields in the generated UPDATE and INSERT statements.

UpdateBatchSize

Used to get or set a value that enables or disables batch processing support, and specifies the number of commands that can be executed in a batch.
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