Removes a specific application context, or all application contexts.
rm_appcontext ("context_name", "attribute_name")
context_name – a row specifying an application context name, saved as datatype char(30).
attribute_name – a row specifying an application context attribute name, saved as datatype char(30).
The following three examples show how to remove an application context by specifying some or all attributes. Use an asterisk ("*") to remove all attributes in the specified context.
select rm_appcontext("CONTEXT1", "*")
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0
Use an asterisk ("*") to remove all the contexts and attributes.
select rm_appcontext("*", "*")
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0
This example shows a user attempting to remove a nonexistent context. The attempt fails, returning -1.
select rm_appcontext("NON_EXISTING_CTX", "ATTR2")
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-1
This example shows the result of a user without appropriate permissions attempting to remove an application context.
select rm_appcontext("CONTEXT1", "ATTR2")
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-1
rm_appcontext returns 0 for success, -1 for failure.
All arguments in this function are required.
