On 26/04/12 17:16, Toby Corkindale wrote:
On 26/04/12 16:58, Tom Lane wrote:
Toby Corkindale<toby.corkindale@xxxxxxxxxxxxxxxxxxxx> writes:
On 26/04/12 15:30, Tom Lane wrote:
Hm, is the update target an inheritance tree?
The target is the parent table of a bunch of partitions.
How many would "a bunch" be, exactly? I'm fairly sure that the complex
view would get re-planned for each target table ...
The table being updated (line) has 57 child tables.
Although we are specifying a value for the column which they are
partitioned on.
ie.
CREATE TABLE line (file_id, lineno, status,
primary key (file_id, lineno));
CREATE TABLE line_1 ( CHECK (file_id=1) ) INHERITS (line);
CREATE TABLE line_2 ( CHECK (file_id=2) ) INHERITS (line);
UPDATE line SET status = something
FROM complex_view cv
WHERE cv.file_id = 2 AND line.file_id=2;
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