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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?.
| decimal | hex | glyph | unicode | in_posix_space_class | in_custom_class |
|---|---|---|---|---|---|
| 9 | 9 | \u0009 | t | t | |
| 32 | 20 | \u0020 | t | t | |
| 160 | a0 | \u00a0 | f | t | |
| 5760 | 1680 | \u1680 | t | t | |
| 6158 | 180e | | \u180e | f | t |
| 8192 | 2000 | \u2000 | t | t | |
| 8193 | 2001 | \u2001 | t | t | |
| 8194 | 2002 | \u2002 | t | t | |
| 8195 | 2003 | \u2003 | t | t | |
| 8196 | 2004 | \u2004 | t | t | |
| 8197 | 2005 | \u2005 | t | t | |
| 8198 | 2006 | \u2006 | t | t | |
| 8199 | 2007 | \u2007 | f | t | |
| 8200 | 2008 | \u2008 | t | t | |
| 8201 | 2009 | \u2009 | t | t | |
| 8202 | 200a | \u200a | t | t | |
| 8203 | 200b | | \u200b | f | t |
| 8204 | 200c | | \u200c | f | t |
| 8205 | 200d | | \u200d | f | t |
| 8206 | 200e | | \u200e | f | t |
| 8207 | 200f | | \u200f | f | t |
| 8239 | 202f | \u202f | f | t | |
| 8287 | 205f | \u205f | t | t | |
| 8288 | 2060 | | \u2060 | f | t |
| 12288 | 3000 | \u3000 | t | t | |
| 65279 | feff | \ufeff | f | t |
| ?column? |
|---|
| [\s\u00a0\u180e\u2007\u200b\u200c\u200d\u200e\u200f\u202f\u2060\ufeff] |