diff options
Diffstat (limited to 'src/include/nodes/primnodes.h')
| -rw-r--r-- | src/include/nodes/primnodes.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h index ab6d7fdc6df..bb930afb521 100644 --- a/src/include/nodes/primnodes.h +++ b/src/include/nodes/primnodes.h @@ -22,6 +22,14 @@ #include "nodes/pg_list.h" +typedef enum OverridingKind +{ + OVERRIDING_NOT_SET = 0, + OVERRIDING_USER_VALUE, + OVERRIDING_SYSTEM_VALUE, +} OverridingKind; + + /* ---------------------------------------------------------------- * node definitions * ---------------------------------------------------------------- @@ -1718,6 +1726,25 @@ typedef struct BooleanTest int location; /* token location, or -1 if unknown */ } BooleanTest; + +/* + * MergeAction + * + * Transformed representation of a WHEN clause in a MERGE statement + */ +typedef struct MergeAction +{ + NodeTag type; + bool matched; /* true=MATCHED, false=NOT MATCHED */ + CmdType commandType; /* INSERT/UPDATE/DELETE/DO NOTHING */ + /* OVERRIDING clause */ + OverridingKind override pg_node_attr(query_jumble_ignore); + Node *qual; /* transformed WHEN conditions */ + List *targetList; /* the target list (of TargetEntry) */ + /* target attribute numbers of an UPDATE */ + List *updateColnos pg_node_attr(query_jumble_ignore); +} MergeAction; + /* * CoerceToDomain * |