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Add the notion of REPLICA IDENTITY for a table.

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Pending patches for logical replication will use this to determine
which columns of a tuple ought to be considered as its candidate key.

Andres Freund, with minor, mostly cosmetic adjustments by me
This commit is contained in:
Robert Haas
2013-11-08 12:30:43 -05:00
parent b97ee66cc1
commit 07cacba983
23 changed files with 902 additions and 49 deletions
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src/include/nodes/nodes.h
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@@ -362,6 +362,7 @@ typedef enum NodeTag
T_CreateEventTrigStmt,
T_AlterEventTrigStmt,
T_RefreshMatViewStmt,
T_ReplicaIdentityStmt,
/*
* TAGS FOR PARSE TREE NODES (parsenodes.h)