HSetTransaction (Function)

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HSetTransaction (Function)

In french: HGèreTransaction

Available only with these kinds of connection

Enables or disables the management of transactions for one or more data files.

When the management of transactions is disabled, all transaction-related functions are inhibited (HTransactionStart, HTransactionEnd, HTransactionCancel).

Remark: The management of transactions is enabled by default.

This function can be used with HFSQL Client/Server data files only.

Versions 18 and later

This function is now available in Android Widget mode.

This function is now available for Android applications (for HFSQL data files).

This function is now available for Java applications.

New in version 18

This function is now available in Android Widget mode.

This function is now available for Android applications (for HFSQL data files).

This function is now available for Java applications.

This function is now available in Android Widget mode.

This function is now available for Android applications (for HFSQL data files).

This function is now available for Java applications.

Remark: From version 19, HFSQL is the new name of HyperFileSQL.

Versions 19 and later

This function is now available for iPhone/iPad applications.

New in version 19

This function is now available for iPhone/iPad applications.

Example

// Disable the management of transactions on the Customer data file
HSetTransaction(Customer, False)

Syntax

<Result> = HSetTransaction([<Data file>, ] <Options>)

<Result>: Boolean

Corresponds to the former management mode of transactions (before the call to HSetTransaction):
True if the management of transactions was enabled,
False if the management of transactions was disabled.
If <Data file>= "*", <Result> is set to True if the management of transactions was enabled for at least one data file in the former transaction management mode.

<Data file>: Optional character string (with or without quotes)

Name of data file used. If this name is not specified or if it corresponds to "*", the management of transactions is taken into account for all the date files found in the analysis.

<Options>: Boolean

True if the management of transactions must be enabled for the data file,
False if this management must be disabled.

Remarks

Management of transactions enabled

If the management of transactions is enabled for a single file, only the operations performed on this data file will be taken into account in the management of transactions (regardless of the data files specified in HTransactionStart).

Limit

The management of transactions does not apply to the xBase files.

Component : wd260hf.dll