ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

WDTrans: Overview
WDTrans is a tool for canceling transactions......
Transactions: Secure processes on HFSQL data files
This chapter presents the following topics......
HInitHF55 (Function)
Used to access specific functions for managing xBase (or dBase) data if Native xBase Access provided with WINDEV or WEBDEV 14 is not available.
Transactions: Secure processes on HFSQL data files
This chapter presents the following topics......
Native xBase/FoxPro Access: Specific features and remarks
This help page presents the specific features regarding the programming of Native xBase/FoxPro Access......
WDTrans: Delete the records in transaction
Transforms all the records "in transaction" into "normal" records if these records do not belong to a transaction currently in progress......
HTransactionStart (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates the transaction file.
HTransaction (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates the transaction file.
Native xBase/FoxPro Connector
WINDEV and WEBDEV propose a Native xBase/FoxPro Connector (or Native xBase/FoxPro Access) module......
SQLTransaction (Function)
Begins, commits or rolls back a transaction: on the files of a database opened by SQLConnect, on the files of a database opened by a connection (OLE DB or Native Access/Native Connector) described in the data model editor or by HOpenConnection....
Log-based replication: Programming the log-based replication in WLanguage
Several WLangage functions allow you to include log-based replication in your application and to customize it......
HDBDescribeFile (Function)
Describes a file in dBase3 format (most common format) through programming.
<Connection variable>.TransactionEnd (Function)
Validates the current transaction: the modifications performed on the data file since the start of transaction (HTransactionStart) are validated. the transaction file is deleted (if the transaction is the last transaction in progress for a network application) the records locked in read-only by the transaction are unlocked....
<Connection variable>.TransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.
Transactions in HFSQL Client/Server mode
To keep maximum compatibility between HFSQL Classic applications (single-user or multi-user) and HFSQL Client/Server applications, the transaction mechanism in HFSQL Client/Server mode is similar to the one in HFSQL Classic mode......
hbConnection (Type of variable)
The hbConnection type is used to define the characteristics of a connection to a HBase server.
Client/Server transactions: Available isolation modes
The HFSQL engine proposes to isolate the transactions......
<Connection variable>.TransactionIsolation (Function)
Configures the isolation mode of transactions for a connection to an HFSQL server.
HTransactionIsolation (Function)
Configures the isolation mode of transactions for a connection to an HFSQL server.
HTransactionEnd (Function)
Validates the current transaction: the modifications performed on the data file since the start of transaction (HTransactionStart) are validated. the transaction file is deleted (if the transaction is the last transaction in progress for a network application) the records locked in read-only by the transaction are unlocked....
<Connection variable>.TransactionList (Function)
Returns the list of current or interrupted transactions on the server for the specified connection.
HTransactionList (Function)
Returns the list of current or interrupted transactions on the server for the specified connection.
<Connection variable>.TransactionStart (Function)
Starts a transaction on the data files (HFSQL or accessed via Native Access) and creates the transaction file.
<Connection variable>.Transaction (Function)
Starts a transaction on the data files (HFSQL or accessed via Native Access) and creates the transaction file.
Service management functions
List of functions for managing services...