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doc: fix pg_restore_extended_stats() example syntax

Chao Li <li.evan.chao@gmail.com>

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From: Chao Li <li.evan.chao@gmail.com>
To: Postgres hackers <pgsql-hackers@lists.postgresql.org>
Cc: Michael Paquier <michael.paquier@gmail.com>, Corey Huinker <corey.huinker@gmail.com>
Date: 2026-05-15T09:31:55Z
Lists: pgsql-hackers

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  1. doc: Fix example of pg_restore_extended_stats()

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Hi,

I am testing pg_restore_extended_stats(), and noticed an mistake in the doc:

```
SELECT pg_restore_extended_stats(
    'schemaname',            'tab_schema',
    'relname',               'tab_name',
    'statistics_schemaname', 'stats_schema',
    'statistics_name',       'stats_name',
    'inherited',             false,
    'n_distinct',            '[{"attributes" : [2,3], "ndistinct" : 4}]'::pg_ndistinct); <== “);” should be “,"
    'dependencies',          '{"2 => 1": 1.000000, "2 => -1": 1.000000, "2 => -2": 1.000000}'::pg_dependencies,
    'exprs',                 '[
```

Best regards,
--
Chao Li (Evan)
HighGo Software Co., Ltd.
https://www.highgo.com/