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WITH support in MERGE

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Author: Peter Geoghegan
Recursive support removed, no tests
Docs added by me
This commit is contained in:
Simon Riggs
2018-04-03 12:13:59 +01:00
parent 83454e3c2b
commit aa3faa3c7a
10 changed files with 232 additions and 9 deletions
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1
src/backend/nodes/copyfuncs.c
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@@ -3055,6 +3055,7 @@ _copyMergeStmt(const MergeStmt *from)
COPY_NODE_FIELD(source_relation);
COPY_NODE_FIELD(join_condition);
COPY_NODE_FIELD(mergeActionList);
COPY_NODE_FIELD(withClause);
return newnode;
}

1
src/backend/nodes/equalfuncs.c
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@@ -1051,6 +1051,7 @@ _equalMergeStmt(const MergeStmt *a, const MergeStmt *b)
COMPARE_NODE_FIELD(source_relation);
COMPARE_NODE_FIELD(join_condition);
COMPARE_NODE_FIELD(mergeActionList);
COMPARE_NODE_FIELD(withClause);
return true;
}

2
src/backend/nodes/nodeFuncs.c
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@@ -3446,6 +3446,8 @@ raw_expression_tree_walker(Node *node,
return true;
if (walker(stmt->mergeActionList, context))
return true;
if (walker(stmt->withClause, context))
return true;
}
break;
case T_MergeAction: