Comments (7)
Are they supported in the library?
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Yes, string encoding and how many bytes are reserved for its storage are decoupled.
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Are they supported in the library?
Yep, see here for an example of fixed-length unicode strings being used in datasets/attributes - the native VOL passes both of these tests.
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The question may be more related to how h5py treats HDF5 strings where this combo is not really supported. Any fixed-length string is treated as bytes
object, not Unicode string.
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A fixed width unicode would be utf-32, but like @ajelenak says, it's not explicitly supported by the library. (or HSDS).
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A fixed width unicode would be utf-32, but like @ajelenak says, it's not explicitly supported by the library. (or HSDS).
I think there's a confusion in terminology here. The request is not support for a unicode character encoding where each particular character has a fixed width in bytes (e.g. UTF-32), but support for string datatypes that have a fixed total length in bytes (fixed length strings) AND have the character set/encoding UTF-8 (where a particular character does not have a fixed number of bytes associated with it).
I've updated the title of this issue to be more clear. The library does support fixed-length strings in UTF-8 (See the tests I linked above).
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Implemented in #278
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Related Issues (20)
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