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Vineet Garg updated HIVE-16605: ------------------------------- Attachment: (was: HIVE-16605.1.patch) > Enforce NOT NULL constraints > ---------------------------- > > Key: HIVE-16605 > URL: https://issues.apache.org/jira/browse/HIVE-16605 > Project: Hive > Issue Type: New Feature > Affects Versions: 3.0.0 > Reporter: Carter Shanklin > Assignee: Vineet Garg > Priority: Major > > Since NOT NULL is so common it would be great to have tables start to enforce > that. > [~ekoifman] described a possible approach in HIVE-16575: > {quote} > One way to enforce not null constraint is to have the optimizer add > enforce_not_null UDF which throws if it sees a NULL, otherwise it's pass > through. > So if 'b' has not null constraint, > Insert into T select a,b,c... would become > Insert into T select a, enforce_not_null(b), c..... > This would work for any table type. > {quote} -- This message was sent by Atlassian JIRA (v7.6.3#76005)