PC SOFT

WINDEVWEBDEV AND WINDEV MOBILE
ONLINE HELP

Home | Sign in | English UK
WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
WindowsLinuxPHPWEBDEV - Browser code
WINDEV Mobile
AndroidAndroid Widget iPhone/iPadApple WatchUniversal Windows 10 AppWindows Mobile
Others
Stored procedures
Configures the isolation mode of transactions for a connection to a HFSQL server.
Depending on the mode selected, an application that performs reading operations will have access or not to the data being modified in a transaction by another application, or another instance of the same application.
Example
HTransactionIsolation(cnt, hReadCommitted)
HReadFirst(MyCustomerFile, MyKey)
Syntax
<Result> = HTransactionIsolation(<Connection> , <Isolation mode>)
<Result>: Boolean
  • True if the isolation level was implemented,
  • False if an error occurred. HErrorInfo is used to identify the error.
<Connection>: Character string (with or without quotes) or Connection variable
Connection to an HFSQL server. This connection corresponds to:
<Isolation mode>: Integer constant
Selected isolation mode:
hReadCommittedOnly the finalized transactions are visible by the other users.
hReadUncommittedThe non-finalized transactions are visible by the other users.
hRepeatableReadThe application in transaction sees a snapshot of the database when the transaction starts.
Component : wd250hf.dll
Minimum version required
  • Version 19
This page is also available for…
Comments
Click [Add] to post a comment