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Help with an interesting Postgres question: Why isn't an Index Only Scan used on a partition accessed via the parent table?.
CREATE TABLE
INSERT 0 1
id |
xpath |
---|---|
1 |
{"<test color=\"red\">Red text</test>","<test color=\"green\">green</test>"} |
SELECT 1
id |
xml_node |
data |
---|---|---|
1 |
<test color="red">Red text</test> |
Red text |
1 |
<test color="green">green</test> |
green |
SELECT 2
id |
xml_node |
---|---|
1 |
Red text |
1 |
green |
SELECT 2