NexusDB V3 Manual
Updating Predicate
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NexusDB Manual V3 > SQL Reference > Predicates
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Testing if a trigger event is UPDATE.
Syntax
<updating predicate> ::= UPDATING
Notes
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The UPDATING predicate can only be specified in the body of a trigger definition to check the trigger event.
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The predicate evaluates to TRUE if the trigger was activated by an UPDATE operation on the table, else to FALSE.
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Examples
1)
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The following example shows how the UPDATE predicate is used in the WHEN clause of a triggered action:
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WHEN ( UPDATING )
triggered SQL statements
IF UPDATING THEN ... END IF;
Conformance
NexusDB extensions
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-
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UPDATING predicate
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