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Allow ALTER VIEW command to rename the column in the view.

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ALTER TABLE RENAME COLUMN command always can be used to rename the column
in the view, but it's reasonable to add that syntax to ALTER VIEW too.

Author: Fujii Masao
Reviewed-by: Ibrar Ahmed, Yu Kimura
Discussion: https://postgr.es/m/CAHGQGwHoQMD3b-MqTLcp1MgdhCpOKU7QNRwjFooT4_d+ti5v6g@mail.gmail.com
This commit is contained in:
Fujii Masao
2019-11-21 19:55:13 +09:00
parent 61a956d9cc
commit 30840c92ac
6 changed files with 88 additions and 3 deletions
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22
src/backend/parser/gram.y
View File

@ -8777,6 +8777,28 @@ RenameStmt: ALTER AGGREGATE aggregate_with_argtypes RENAME TO name
n->missing_ok = true;
$$ = (Node *)n;
}
| ALTER VIEW qualified_name RENAME opt_column name TO name
{
RenameStmt *n = makeNode(RenameStmt);
n->renameType = OBJECT_COLUMN;
n->relationType = OBJECT_VIEW;
n->relation = $3;
n->subname = $6;
n->newname = $8;
n->missing_ok = false;
$$ = (Node *)n;
}
| ALTER VIEW IF_P EXISTS qualified_name RENAME opt_column name TO name
{
RenameStmt *n = makeNode(RenameStmt);
n->renameType = OBJECT_COLUMN;
n->relationType = OBJECT_VIEW;
n->relation = $5;
n->subname = $8;
n->newname = $10;
n->missing_ok = true;
$$ = (Node *)n;
}
| ALTER MATERIALIZED VIEW qualified_name RENAME opt_column name TO name
{
RenameStmt *n = makeNode(RenameStmt);