MyDAC

TMyServerControl Members

TMyServerControl class overview.

Properties

Name Description

BaseSQL (inherited from TCustomDADataSet)

 Used to return SQL text without any changes performed by AddWhere, SetOrderBy, and FilterSQL.

CachedUpdates (inherited from TMemDataSet)

 Used to enable or disable the use of cached updates for a dataset.

CommandTimeout (inherited from TCustomMyDataSet)

 Used to specify the amount of time to attempt execution of a command.

Conditions (inherited from TCustomDADataSet)

 Used to add WHERE conditions to a query

Connection

 Used to specify a connection object to use for connecting to a data store.

DataTypeMap (inherited from TCustomDADataSet)

 Used to set data type mapping rules

Debug

 Used to display executing statement.

DetailFields (inherited from TCustomDADataSet)

 Used to specify the fields that correspond to the foreign key fields from MasterFields when building master/detail relationship.

Disconnected (inherited from TCustomDADataSet)

 Used to keep dataset opened after connection is closed.

Encryption (inherited from TCustomMyDataSet)

 Used to specify encryption options in a dataset.

FetchAll (inherited from TCustomMyDataSet)

 Defines whether to request all records of the query from database server when the dataset is being opened.

FetchRows (inherited from TCustomDADataSet)

 Used to define the number of rows to be transferred across the network at the same time.

FilterSQL (inherited from TCustomDADataSet)

 Used to change the WHERE clause of SELECT statement and reopen a query.

FinalSQL (inherited from TCustomDADataSet)

 Used to return SQL text with all changes performed by AddWhere, SetOrderBy, and FilterSQL, and with expanded macros.

IndexFieldNames (inherited from TMemDataSet)

 Used to get or set the list of fields on which the recordset is sorted.

InsertId (inherited from TCustomMyDataSet)

 Returns the ID generated for an AUTO_INCREMENT column by the previous query.

IsQuery (inherited from TCustomDADataSet)

 Used to check whether SQL statement returns rows.

KeyExclusive (inherited from TMemDataSet)

 Specifies the upper and lower boundaries for a range.

KeyFields (inherited from TCustomDADataSet)

 Used to build SQL statements for the SQLDelete, SQLInsert, and SQLUpdate properties if they were empty before updating the database.

LocalConstraints (inherited from TMemDataSet)

 Used to avoid setting the Required property of a TField component for NOT NULL fields at the time of opening TMemDataSet.

LocalUpdate (inherited from TMemDataSet)

 Used to prevent implicit update of rows on database server.

LockMode (inherited from TCustomMyDataSet)

 Specifies when to perform locking of an editing record.

MacroCount (inherited from TCustomDADataSet)

 Used to get the number of macros associated with the Macros property.

Macros (inherited from TCustomDADataSet)

 Makes it possible to change SQL queries easily.

MasterFields (inherited from TCustomDADataSet)

 Used to specify the names of one or more fields that are used as foreign keys for dataset when establishing detail/master relationship between it and the dataset specified in MasterSource.

MasterSource (inherited from TCustomDADataSet)

 Used to specify the data source component which binds current dataset to the master one.

Options (inherited from TCustomMyDataSet)

 Specifies the behaviour of TCustomMyDataSet object.

ParamCheck (inherited from TCustomDADataSet)

 Used to specify whether parameters for the Params property are generated automatically after the SQL property was changed.

ParamCount (inherited from TCustomDADataSet)

 Used to indicate how many parameters are there in the Params property.

Params (inherited from TCustomDADataSet)

 Used to view and set parameter names, values, and data types dynamically.

Prepared (inherited from TMemDataSet)

 Determines whether a query is prepared for execution or not.

Ranged (inherited from TMemDataSet)

 Indicates whether a range is applied to a dataset.

ReadOnly (inherited from TCustomDADataSet)

 Used to prevent users from updating, inserting, or deleting data in the dataset.

RefreshOptions (inherited from TCustomDADataSet)

 Used to indicate when the editing record is refreshed.

RowsAffected (inherited from TCustomDADataSet)

 Used to indicate the number of rows which were inserted, updated, or deleted during the last query operation.

SmartFetch (inherited from TCustomMyDataSet)

 The SmartFetch mode is used for fast navigation through a huge amount of records and to minimize memory consumption.

SQL (inherited from TCustomDADataSet)

 Used to provide a SQL statement that a query component executes when its Open method is called.

SQLDelete (inherited from TCustomDADataSet)

 Used to specify a SQL statement that will be used when applying a deletion to a record.

SQLInsert (inherited from TCustomDADataSet)

 Used to specify the SQL statement that will be used when applying an insertion to a dataset.

SQLLock (inherited from TCustomDADataSet)

 Used to specify a SQL statement that will be used to perform a record lock.

SQLRecCount (inherited from TCustomDADataSet)

 Used to specify the SQL statement that is used to get the record count when opening a dataset.

SQLRefresh (inherited from TCustomDADataSet)

 Used to specify a SQL statement that will be used to refresh current record by calling the TCustomDADataSet.RefreshRecord procedure.

SQLUpdate (inherited from TCustomDADataSet)

 Used to specify a SQL statement that will be used when applying an update to a dataset.

TableNames

 Holds a list of tables that will be processed by the TMyServerControl.AnalyzeTable, TMyServerControl.OptimizeTable, TMyServerControl.CheckTable, TMyServerControl.RepairTable methods.

UniDirectional (inherited from TCustomDADataSet)

 Used if an application does not need bidirectional access to records in the result set.

UpdateObject (inherited from TCustomMyDataSet)

 Used to specify an update object component which provides SQL statements that perform updates of the read-only datasets.

UpdateRecordTypes (inherited from TMemDataSet)

 Used to indicate the update status for the current record when cached updates are enabled.

UpdatesPending (inherited from TMemDataSet)

 Used to check the status of the cached updates buffer.

Variables

 Used to get or set the values of MySQL Server system variables.

Methods

Name Description

AddWhere (inherited from TCustomDADataSet)

 Adds condition to the WHERE clause of SELECT statement in the SQL property.

AnalyzeTable

 Analyzes and stores the key distribution for the table

ApplyRange (inherited from TMemDataSet)

 Applies a range to the dataset.

ApplyUpdates (inherited from TMemDataSet)

 Overloaded. Writes dataset's pending cached updates to a database.

BreakExec (inherited from TCustomDADataSet)

 Breaks execution of the SQL statement on the server.

CancelRange (inherited from TMemDataSet)

 Removes any ranges currently in effect for a dataset.

CancelUpdates (inherited from TMemDataSet)

 Clears all pending cached updates from cache and restores dataset in its prior state.

CheckTable

 Checks MyISAM and InnoDB tables for failures.

CommitUpdates (inherited from TMemDataSet)

 Clears the cached updates buffer.

CreateBlobStream (inherited from TCustomDADataSet)

 Used to obtain a stream for reading data from or writing data to a BLOB field, specified by the Field parameter.

CreateDatabase

 Creates a new database with the specified name.

DeferredPost (inherited from TMemDataSet)

 Makes permanent changes to the database server.

DeleteWhere (inherited from TCustomDADataSet)

 Removes WHERE clause from the SQL property and assigns the BaseSQL property.

DropDatabase

 Drops the specified database.

EditRangeEnd (inherited from TMemDataSet)

 Enables changing the ending value for an existing range.

EditRangeStart (inherited from TMemDataSet)

 Enables changing the starting value for an existing range.

Execute (inherited from TCustomDADataSet)

 Overloaded. Executes a SQL statement on the server.

Executing (inherited from TCustomDADataSet)

 Indicates whether SQL statement is still being executed.

Fetched (inherited from TCustomDADataSet)

 Used to find out whether TCustomDADataSet has fetched all rows.

Fetching (inherited from TCustomDADataSet)

 Used to learn whether TCustomDADataSet is still fetching rows.

FetchingAll (inherited from TCustomDADataSet)

 Used to learn whether TCustomDADataSet is fetching all rows to the end.

FindKey (inherited from TCustomDADataSet)

 Searches for a record which contains specified field values.

FindMacro (inherited from TCustomDADataSet)

 Finds a macro with the specified name.

FindNearest (inherited from TCustomDADataSet)

 Moves the cursor to a specific record or to the first record in the dataset that matches or is greater than the values specified in the KeyValues parameter.

FindParam (inherited from TCustomDADataSet)

 Determines if a parameter with the specified name exists in a dataset.

Flush

 Flushes server data from the memory to disk.

GetBlob (inherited from TMemDataSet)

 Overloaded. Retrieves TBlob object for a field or current record when only its name or the field itself is known.

GetDataType (inherited from TCustomDADataSet)

 Returns internal field types defined in the MemData and accompanying modules.

GetFieldEnum (inherited from TCustomMyDataSet)

 Retrieve the list of acceptable values for a specified field given by the FieldName parameter.

GetFieldObject (inherited from TCustomDADataSet)

 Returns a multireference shared object from field.

GetFieldPrecision (inherited from TCustomDADataSet)

 Retrieves the precision of a number field.

GetFieldScale (inherited from TCustomDADataSet)

 Retrieves the scale of a number field.

GetKeyFieldNames (inherited from TCustomDADataSet)

 Provides a list of available key field names.

GetOrderBy (inherited from TCustomDADataSet)

 Retrieves an ORDER BY clause from a SQL statement.

GetServiceNames

 Populates a list of MySQL services at the server to which Connection is connected.

GotoCurrent (inherited from TCustomDADataSet)

 Sets the current record in this dataset similar to the current record in another dataset.

KillProcess

 Breaks the execution of the specified process.

Locate (inherited from TMemDataSet)

 Overloaded. Searches a dataset for a specific record and positions the cursor on it.

LocateEx (inherited from TMemDataSet)

 Overloaded. Excludes features that don't need to be included to the TMemDataSet.Locate method of TDataSet.

Lock (inherited from TCustomMyDataSet)

 Overloaded. Locks the current record for the current connection.

LockTable (inherited from TCustomMyDataSet)

 Locks table for the current connection.

MacroByName (inherited from TCustomDADataSet)

 Finds a macro with the specified name.

OpenNext (inherited from TCustomMyDataSet)

 Opens next rowset in the statement.

OptimizeTable

 Packs tables deleting unused places from the file at the disk and defragmenting it.

ParamByName (inherited from TCustomDADataSet)

 Sets or uses parameter information for a specific parameter based on its name.

Prepare (inherited from TCustomDADataSet)

 Allocates, opens, and parses cursor for a query.

RefreshQuick (inherited from TCustomMyDataSet)

 Retrieves changes posted to the server by another clients on the client side quickly.

RefreshRecord (inherited from TCustomDADataSet)

 Actualizes field values for the current record.

RepairTable

 Repairs specified tables.

RestoreSQL (inherited from TCustomDADataSet)

 Restores the SQL property modified by AddWhere and SetOrderBy.

RestoreUpdates (inherited from TMemDataSet)

 Marks all records in the cache of updates as unapplied.

RevertRecord (inherited from TMemDataSet)

 Cancels changes made to the current record when cached updates are enabled.

SaveSQL (inherited from TCustomDADataSet)

 Saves the SQL property value to BaseSQL.

SaveToXML (inherited from TMemDataSet)

 Overloaded. Saves the current dataset data to a file or a stream in the XML format compatible with ADO format.

ServiceStart

 Starts the specified service at the server to which Connection is connected.

ServiceStatus

 Returns a status of the specified service at the server to which Connection is connected.

ServiceStop

 Stops the specified service at the server to which Connection is connected.

SetOrderBy (inherited from TCustomDADataSet)

 Builds an ORDER BY clause of a SELECT statement.

SetRange (inherited from TMemDataSet)

 Sets the starting and ending values of a range, and applies it.

SetRangeEnd (inherited from TMemDataSet)

 Indicates that subsequent assignments to field values specify the end of the range of rows to include in the dataset.

SetRangeStart (inherited from TMemDataSet)

 Indicates that subsequent assignments to field values specify the start of the range of rows to include in the dataset.

ShowProcessList

 Shows the list of the processes.

ShowStatus

 Shows the current state of the server.

ShowVariables

 Shows the values of some MySQL system variables that are in effect for the current connection.

SQLSaved (inherited from TCustomDADataSet)

 Determines if the SQL property value was saved to the BaseSQL property.

UnLock (inherited from TCustomDADataSet)

 Releases a record lock.

UnLockTable (inherited from TCustomMyDataSet)

 Releases a table locked by the TCustomMyDataSet.LockTable method.

UnPrepare (inherited from TMemDataSet)

 Frees the resources allocated for a previously prepared query on the server and client sides.

UpdateResult (inherited from TMemDataSet)

 Reads the status of the latest call to the ApplyUpdates method while cached updates are enabled.

UpdateStatus (inherited from TMemDataSet)

 Indicates the current update status for the dataset when cached updates are enabled.

Events

Name Description

AfterExecute (inherited from TCustomDADataSet)

 Occurs after a component has executed a query to database.

AfterFetch (inherited from TCustomDADataSet)

 Occurs after dataset finishes fetching data from server.

AfterUpdateExecute (inherited from TCustomDADataSet)

 Occurs after executing insert, delete, update, lock and refresh operations.

BeforeFetch (inherited from TCustomDADataSet)

 Occurs before dataset is going to fetch block of records from the server.

BeforeUpdateExecute (inherited from TCustomDADataSet)

 Occurs before executing insert, delete, update, lock, and refresh operations.

OnUpdateError (inherited from TMemDataSet)

 Occurs when an exception is generated while cached updates are applied to a database.

OnUpdateRecord (inherited from TMemDataSet)

 Occurs when a single update component can not handle the updates.
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