185 lines
5.7 KiB
Plaintext
185 lines
5.7 KiB
Plaintext
================================================================================
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basic
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================================================================================
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create trigger tr before insert on mytable execute foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_exec
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(function_call
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(identifier)))))
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================================================================================
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constraint
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================================================================================
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create constraint trigger tr before insert on mytable execute foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_exec
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(function_call
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(identifier)))))
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================================================================================
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after
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================================================================================
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create trigger tr after insert on mytable execute foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_exec
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(function_call
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(identifier)))))
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================================================================================
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instead of
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================================================================================
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create trigger tr instead of insert on mytable execute foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_exec
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(function_call
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(identifier)))))
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================================================================================
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many when
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================================================================================
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create trigger tr before insert or update or delete or truncate on mytable execute foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_exec
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(function_call
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(identifier)))))
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================================================================================
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scope for statement
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================================================================================
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create trigger tr before insert on mytable for statement execute foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_scope)
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(trigger_exec
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(function_call
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(identifier)))))
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================================================================================
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scope for each row
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================================================================================
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create trigger tr before insert on mytable for each row execute foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_scope)
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(trigger_exec
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(function_call
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(identifier)))))
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================================================================================
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scope for each statement
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================================================================================
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create trigger tr before insert on mytable for each statement execute foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_scope)
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(trigger_exec
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(function_call
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(identifier)))))
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================================================================================
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execute procedure
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================================================================================
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create trigger tr before insert on mytable execute procedure foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_exec
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(function_call
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(identifier)))))
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================================================================================
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execute function
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================================================================================
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create trigger tr before insert on mytable execute function foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_exec
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(function_call
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(identifier)))))
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================================================================================
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when
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================================================================================
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create constraint trigger a.tr before insert or delete on foo.mytable for each statement when (new.baz != old.baz) execute function foo();
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--------------------------------------------------------------------------------
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(source_file
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(create_trigger_statement
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(identifier)
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(trigger_when)
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(trigger_event)
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(identifier)
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(trigger_scope)
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(trigger_cond
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(op_expression
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(identifier)
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(comparison_op)
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(identifier)))
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(trigger_exec
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(function_call
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(identifier)))))
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