Jan Wieck 1f92630fc4 Added the Skytools extended transaction ID module to contrib as discussed ... on CORE previously. This module offers transaction ID's containing the original XID and the transaction epoch as a bigint value to the user level. It also provides a special txid_snapshot data type that contains an entire transactions visibility snapshot information, which is useful to determine if a particular txid was visible to a transaction or not. The module has been tested by porting Slony-I from using its original xxid data type. Jan		2007-10-07 23:32:19 +00:00
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txid.sql	Added the Skytools extended transaction ID module to contrib as discussed	2007-10-07 23:32:19 +00:00