diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/func.sgml | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index 2c02fd1e1b4..3adb36579ea 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -10152,6 +10152,15 @@ table2-mapping <note> <para> + The <type>json</type> functions and operators can impose stricter validity requirements + than the type's input functions. In particular, they check much more closely that any use + of Unicode surrogate pairs to designate characters outside the Unicode Basic Multilingual + Plane is correct. + </para> + </note> + + <note> + <para> The <xref linkend="hstore"> extension has a cast from <type>hstore</type> to <type>json</type>, so that converted <type>hstore</type> values are represented as JSON objects, not as string values. |