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authorAlexander Korotkov2021-03-09 15:16:03 +0000
committerAlexander Korotkov2021-03-09 15:16:03 +0000
commit6540cc517dd452874a4e0fb268aee9b92e5136c6 (patch)
treec799f79662bfeb806d4da631c97605ae73ba799e
parent14d9b37607ad30c3848ea0f2955a78436eff1268 (diff)
Fix vague comment in jsonb documentation
The sample query fails because of an attempt to update the key of a numeric. But the comment says it's just because of the missing object key. That's not correct because jsonb subscription automatically adds missing keys. Reported-by: Nikita Konev
-rw-r--r--doc/src/sgml/json.sgml3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/src/sgml/json.sgml b/doc/src/sgml/json.sgml
index e16dd6973d..6ab836548b 100644
--- a/doc/src/sgml/json.sgml
+++ b/doc/src/sgml/json.sgml
@@ -648,7 +648,8 @@ SELECT ('[1, "2", null]'::jsonb)[1];
UPDATE table_name SET jsonb_field['key'] = '1';
-- This will raise an error if any record's jsonb_field['a']['b'] is something
--- other than an object. For example, the value {"a": 1} has no 'b' key.
+-- other than an object. For example, the value {"a": 1} has a numeric value
+-- of the key 'a'.
UPDATE table_name SET jsonb_field['a']['b']['c'] = '1';
-- Filter records using a WHERE clause with subscripting. Since the result of