[!tag=VBZ] [□ | □]
[!tag=VBZ] [□=□ | □]
[!tag=VBZ] [!□ | □]
Secondly , if a listening backend receives a notify signal while it is within a transaction , the notify event will not be delivered to its connected frontend until just after the transaction is completed ( either committed or aborted ) . An optional password file may be specified after the password keyword which is used to match the supplied password rather than the pg_shadow table . This can happen after the rangetables of rules have been merged in . Chinn began work on a hospital in Colorado where he coordinated and assisted in the design of a replacement central boiler steam plant that provided the heating and cooling . Since the rules have no actions and are INSTEAD , the resulting list of parsetrees will be empty and the whole query will become nothing because there is nothing left to be optimized or executed after the rule system is done with it . type The type of the column . But this is after the rule system and will be discussed later .