diff options
| author | Peter Eisentraut <peter@eisentraut.org> | 2022-09-27 20:47:07 +0200 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2022-09-27 20:50:21 +0200 |
| commit | c8b2ef05f481ef06326d7b9f3eb14b303f215c7e (patch) | |
| tree | 5f72d0b7ee1eebd619c1b91b25f9a35a98f9218f /doc/src | |
| parent | 8caf96de0b7b4ad5beb02b36a158196520c035a7 (diff) | |
Convert *GetDatum() and DatumGet*() macros to inline functions
The previous macro implementations just cast the argument to a target
type but did not check whether the input type was appropriate. The
function implementation can do better type checking of the input type.
For the *GetDatumFast() macros, converting to an inline function
doesn't work in the !USE_FLOAT8_BYVAL case, but we can use
AssertVariableIsOfTypeMacro() to get a similar level of type checking.
Reviewed-by: Aleksander Alekseev <aleksander@timescale.com>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/8528fb7e-0aa2-6b54-85fb-0c0886dbd6ed%40enterprisedb.com
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/xfunc.sgml | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/src/sgml/xfunc.sgml b/doc/src/sgml/xfunc.sgml index b8cefb9c2ca..cf5810b3c16 100644 --- a/doc/src/sgml/xfunc.sgml +++ b/doc/src/sgml/xfunc.sgml @@ -2763,7 +2763,7 @@ c_overpaid(PG_FUNCTION_ARGS) is null. <function>GetAttributeByName</function> returns a <type>Datum</type> value that you can convert to the proper data type by using the appropriate <function>DatumGet<replaceable>XXX</replaceable>()</function> - macro. Note that the return value is meaningless if the null flag is + function. Note that the return value is meaningless if the null flag is set; always check the null flag before trying to do anything with the result. </para> |