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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.

Reviewed-by: Aleksander Alekseev <aleksander@timescale.com>
Discussion: https://www.postgresql.org/message-id/flat/8528fb7e-0aa2-6b54-85fb-0c0886dbd6ed%40enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-09-12 17:35:55 +02:00
parent 8cb2a22bbb
commit 595836e99b
27 changed files with 658 additions and 189 deletions

View File

@ -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>