SELECT res.resourceType, count(res.resourceType)
FROM ResourceGroup rg JOIN rg.resources res
WHERE rg.id = :id
GROUP BY res.resourceType
It translated to:
resource2_.RESOURCE_TYPE_ID as col_0_0_,
count(resource2_.RESOURCE_TYPE_ID) as col_1_0_,
resourcety3_.ID as ID376_,
resourcety3_.NAME as NAME376_,
resourcety3_.DESCRIPTION as DESCRIPT3_376_,
resourcety3_.CATEGORY as CATEGORY376_,
resourcety3_.PLUGIN as PLUGIN376_,
resourcety3_.CTIME as CTIME376_,
resourcety3_.MTIME as MTIME376_,
resourcety3_.PARENT_RESOURCE_TYPE_ID as PARENT8_376_,
resourcety3_.PLUGIN_CONFIG_DEF_ID as PLUGIN9_376_,
resourcety3_.RES_CONFIG_DEF_ID as RES10_376_
resourcegr0_.DTYPE in (
The message was:
"ERROR main org.hibernate.util.JDBCExceptionReporter - ERROR: column "resourcety3_.id must appear in the GROUP BY caluse or be used in an aggregate function"
My issue with this is that I only want to select a single object (along with the count of that object when grouped), but the generated SQL seems to be selecting two different objects - resource2_ and resourcety3_. The jdbc error message is perfectly correct; it's the translated SQL that seems a bit off.
Maybe the JPQL syntax I want to use is not supported? Or perhaps I'm just doing something wrong?