Merge pull request #1194 from shackbarth/22394

issue #22394: write context queries directly against underlying table
Merge pull request #1197 from shackbarth/22394

issue #22394: account for cases where relations are defined in orm exts
bump 1.5.2
merge
fixed typo
Merge pull request #1200 from shackbarth/152

merge from 1.5.2