[ https://issues.apache.org/jira/browse/ARROW-4090?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wes McKinney updated ARROW-4090: -------------------------------- Fix Version/s: (was: 0.14.0) > [Python] Table.flatten() doesn't work recursively > ------------------------------------------------- > > Key: ARROW-4090 > URL: https://issues.apache.org/jira/browse/ARROW-4090 > Project: Apache Arrow > Issue Type: New Feature > Components: Python > Reporter: Francisco Sanchez > Priority: Minor > Labels: pull-request-available > Time Spent: 10m > Remaining Estimate: 0h > > It seems that the pyarrow.Table.flatten() function is not working recursively > nor providing a parameter to do it. > {code} > test1c_data = {'level1-A': 'abc', > 'level1-B': 112233, > 'level1-C': {'x': 123.111, 'y': 123.222, 'z': 123.333} > } > test1c_type = pa.struct([('level1-A', pa.string()), > ('level1-B', pa.int32()), > ('level1-C', pa.struct([('x', pa.float64()), > ('y', pa.float64()), > ('z', pa.float64()) > ])) > ]) > test1c_array = pa.array([test1c_data]*5, type=test1c_type) > test1c_table = pa.Table.from_arrays([test1c_array], names=['msg']) > print('{}\n\n{}\n\n{}'.format(test1c_table.schema, > test1c_table.flatten().schema, > test1c_table.flatten().flatten().schema)) > {code} > output: > {quote}msg: struct<level1-A: string, level1-B: int32, level1-C: struct<x: > double, y: double, z: double>> > child 0, level1-A: string > child 1, level1-B: int32 > child 2, level1-C: struct<x: double, y: double, z: double> > child 0, x: double > child 1, y: double > child 2, z: double > msg.level1-A: string > msg.level1-B: int32 > msg.level1-C: struct<x: double, y: double, z: double> > child 0, x: double > child 1, y: double > child 2, z: double > msg.level1-A: string > msg.level1-B: int32 > msg.level1-C.x: double > msg.level1-C.y: double > msg.level1-C.z: double > {quote} -- This message was sent by Atlassian JIRA (v7.6.3#76005)