The following bug has been logged online:
Bug reference: 5001
Logged by:
Email address: 94487509@qq.com
PostgreSQL version: 8.3.3
Operating system: linux
Description: can not prepare for where $1 is null
Details:
why can not prepare like this? thanks!
prepare ssss as select * from test where $1 is null;
ERROR: could not determine data type of parameter $1