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Stored procedures
Configures the isolation mode of transactions for a connection to a HFSQL server.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Versions 22 and later
Android Widget This function is now available in Android Widget mode.
Android This function is now available for the Android applications.
Java This function is now available for the Java applications.
New in version 22
Android Widget This function is now available in Android Widget mode.
Android This function is now available for the Android applications.
Java This function is now available for the Java applications.
Android Widget This function is now available in Android Widget mode.
Android This function is now available for the Android applications.
Java This function is now available for the Java applications.
Example
HTransactionIsolation(cnt, hReadCommitted)
HReadFirst(MyCustomerFile, MyKey)
Syntax
<Result> = HTransactionIsolation(<Connection Name> , <Isolation Mode>)
<Result>: Boolean
  • True if the isolation level was implemented,
  • False if an error occurred. HErrorInfo is used to identify the error.
<Connection Name>: Character string (with or without quotes)
Name of connection to a HFSQL server. This connection was defined in the data model editor, or by HDescribeConnection or HOpenConnection.
<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.
Components
WINDEVWEBDEV - Server codeReports and Queries wd230hf.dll
Windows Mobile wp230hf.dll
Java wd230java.jar
Linux wd230hf.so
Android wd230android.jar
Minimum required version
  • Version 19
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