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KeyError: key 5 not found #29

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catethos opened this issue Jan 18, 2019 · 1 comment · Fixed by #30
Closed

KeyError: key 5 not found #29

catethos opened this issue Jan 18, 2019 · 1 comment · Fixed by #30

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@catethos
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I have this parquet file, which is essentially a table of words embedding. I can open it using Pandas
image

But when I try to open it using Parquet.jl It shows the following error:

KeyError: key 5 not found

Stacktrace:
 [1] getindex(::Dict{Int64,Thrift.ThriftMetaAttribs}, ::Int64) at ./dict.jl:478
 [2] read_container(::Thrift.TCompactProtocol, ::Parquet.PAR2.Statistics) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:181
 [3] read_container(::Thrift.TCompactProtocol, ::Type{Parquet.PAR2.Statistics}) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:168
 [4] read_container(::Thrift.TCompactProtocol, ::Parquet.PAR2.ColumnMetaData) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:190
 [5] read_container(::Thrift.TCompactProtocol, ::Type{Parquet.PAR2.ColumnMetaData}) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:168
 [6] read_container(::Thrift.TCompactProtocol, ::Parquet.PAR2.ColumnChunk) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:190
 [7] read at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:169 [inlined]
 [8] read at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:167 [inlined]
 [9] read_container(::Thrift.TCompactProtocol, ::Array{Parquet.PAR2.ColumnChunk,1}) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:369
 [10] read_container(::Thrift.TCompactProtocol, ::Type{Array{Parquet.PAR2.ColumnChunk,1}}) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:168
 [11] read_container(::Thrift.TCompactProtocol, ::Parquet.PAR2.RowGroup) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:190
 [12] read at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:169 [inlined]
 [13] read at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:167 [inlined]
 [14] read_container(::Thrift.TCompactProtocol, ::Array{Parquet.PAR2.RowGroup,1}) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:369
 [15] read_container(::Thrift.TCompactProtocol, ::Type{Array{Parquet.PAR2.RowGroup,1}}) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:168
 [16] read_container(::Thrift.TCompactProtocol, ::Parquet.PAR2.FileMetaData) at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:190
 [17] read at /Users/catethos/.julia/packages/Thrift/hqiAN/src/base.jl:169 [inlined]
 [18] read_thrift(::IOStream, ::Type{Parquet.PAR2.FileMetaData}) at /Users/catethos/.julia/packages/Parquet/HxyMJ/src/reader.jl:324
 [19] metadata(::IOStream, ::String, ::Int32) at /Users/catethos/.julia/packages/Parquet/HxyMJ/src/reader.jl:339
 [20] #ParFile#4(::Int64, ::Type, ::String, ::IOStream) at /Users/catethos/.julia/packages/Parquet/HxyMJ/src/reader.jl:57
 [21] Type at /Users/catethos/.julia/packages/Parquet/HxyMJ/src/reader.jl:55 [inlined]
 [22] ParFile(::String) at /Users/catethos/.julia/packages/Parquet/HxyMJ/src/reader.jl:46
 [23] top-level scope at In[7]:1

Any idea what is the problem?

@poke1024
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Same issue here.

Here's a mall demo file reproducing the issue:
demo.parquet.zip

Underlying problem is that https://github.com/JuliaIO/Parquet.jl/blob/master/thrift/PAR2.thrift is out of date and needs to be updated to current https://github.com/apache/parquet-cpp/blob/master/src/parquet/parquet.thrift

KeyError 5 refers to a new thrift idl fields:

5: optional binary max_value;

I opened PR #30 to fix this.

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2 participants