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ARROW-4540: [Rust] Basic JSON reader#3685

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nevi-me wants to merge 1 commit intoapache:masterfrom
nevi-me:rust/json-reader2
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ARROW-4540: [Rust] Basic JSON reader#3685
nevi-me wants to merge 1 commit intoapache:masterfrom
nevi-me:rust/json-reader2

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@nevi-me nevi-me commented Feb 18, 2019

Replaces #3624


An initial JSON reader for Rust, which reads JSON line-delimited files into record batches.

Supports:

  • schema inference and user-supplied schema
  • projection by column names
  • reading lists
  • reading lists and scalars, converting scalars to single-value lists

Excluded in this PR are:

  • Struct arrays
  • Nesting in lists. The list or struct is replaced with null for now
  • Extremely mixed types, e.g [int, bool, float, list(_)]

@andygrove andygrove closed this in c494f88 Feb 18, 2019
@nevi-me nevi-me deleted the rust/json-reader2 branch March 4, 2019 19:47
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2 participants