Provide a more informative error message when a uniqueness constraint
fails. Ticket #419. (CVS 1068) FossilOrigin-Name: 086aa1c9922b7bf399b3ee8b73ba7353d126b119
D
drh committed
37ed48ed2fd1918b43f8ffdbf96dce8fcf8fb64c
Parent: 4305d10