delay INTERVAL NOT NULL DEFAULT '5 minutes',
delay_field TEXT, -- for instance, xact_start on a circ hook ... look for fields on hook.core_type where datatype=timestamp? If not set, delay from now()
group_field TEXT, -- field from this.hook.core_type to batch event targets together on, fed into reactor a group at a time.
- template TEXT NOT NULL, -- the TT block. will have an 'environment' hash (or array of hashes, grouped events) built up by validator and collector(s), which can be modified.
+ template TEXT, -- the TT block. will have an 'environment' hash (or array of hashes, grouped events) built up by validator and collector(s), which can be modified.
CONSTRAINT ev_def_owner_hook_val_react_clean_delay_once UNIQUE (owner, hook, validator, reactor, delay, delay_field)
);