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Greg 2014-08-31 17:30:01 +09:00
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null is a library with opinions on how to deal with nullable SQL and JSON values null is a library with opinions on how to deal with nullable SQL and JSON values
There are two packages, `null`, and `nuller`. There are two packages, `null`, and `nuller`.
Types in `null` are treated like zero values in Go: blank string input will produce a null `null.String`, and null Strings will JSON encode to `""`. If you need zero and null treated the same, use these. Types in `null` are treated like zero values in Go: blank string input will produce a null `null.String`, and null Strings will JSON encode to `""`. If you need zero and null treated the same, use these.
Types in `nuller` will only be considered null on null input, and will JSON encode to `null`. If you need zero and null be considered separate values, use these. Types in `nuller` will only be considered null on null input, and will JSON encode to `null`. If you need zero and null be considered separate values, use these.
All types implement `sql.Scanner`, so you can use this library in place of `sql.NullXXX`. All types implement `sql.Scanner`, so you can use this library in place of `sql.NullXXX`.
### null.String ### null.String