[Zebra] No type check when we write to the basic table
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Key: PIG-1351
URL: https://issues.apache.org/jira/browse/PIG-1351
Project: Pig
Issue Type: Improvement
Affects Versions: 0.6.0, 0.7.0, 0.8.0
Reporter: Chao Wang
Assignee: Chao Wang
Fix For: 0.8.0
In Zebra, we do not have any type check when writing to a basic table.
Say, we have a schema: "f1:int, f2:string",
however we can write a tuple ("abc", 123) without any problem, which is
definitely not desirable.
To overcome this problem, we decide to perform certain amount of type checking
in Zebra - We check the first row only for each writer.
This only serves as a sanity check purpose in cases where users screw up
specifying the output schema. We do NOT perform a rigorous type checking for
all rows for apparently performance concerns.
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