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[ML] Rename input_fields to column_names in file structure #33568

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droberts195
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This change tightens up the meaning of the "input_fields" field
in the file structure finder output. Previously it was permitted
but not calculated for JSON and XML files. Following this change
the field is called "column_names" and is only permitted for
delimited files.

Additionally the way the column names are set for headerless
delimited files is refactored to encapsulate the way they're
named to one line of the code rather than having the same
logic in two places.

This change tightens up the meaning of the "input_fields" field
in the file structure finder output.  Previously it was permitted
but not calculated for JSON and XML files.  Following this change
the field is called "column_names" and is only permitted for
delimited files.

Additionally the way the column names are set for headerless
delimited files is refactored to encapsulate the way they're
named to one line of the code rather than having the same
logic in two places.
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Pinging @elastic/ml-core

@droberts195
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There is no BWC issue here as the functionality being refactored has never been released.

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@dimitris-athanasiou dimitris-athanasiou left a comment

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LGTM

@droberts195 droberts195 merged commit 8e05ce5 into elastic:master Sep 11, 2018
@droberts195 droberts195 deleted the input_fields_to_column_names branch September 11, 2018 07:48
droberts195 added a commit that referenced this pull request Sep 11, 2018
This change tightens up the meaning of the "input_fields" field
in the file structure finder output.  Previously it was permitted
but not calculated for JSON and XML files.  Following this change
the field is called "column_names" and is only permitted for
delimited files.

Additionally the way the column names are set for headerless
delimited files is refactored to encapsulate the way they're
named to one line of the code rather than having the same
logic in two places.
droberts195 added a commit to droberts195/elasticsearch that referenced this pull request Sep 11, 2018
jasontedor added a commit to jasontedor/elasticsearch that referenced this pull request Sep 11, 2018
* master:
  Preserve cluster settings on full restart tests (elastic#33590)
  Use IndexWriter.getFlushingBytes() rather than tracking it ourselves (elastic#33582)
  Fix upgrading of list settings (elastic#33589)
  Add read-only Engine (elastic#33563)
  HLRC: Add ML get categories API (elastic#33465)
  SQL: Adds MONTHNAME, DAYNAME and QUARTER functions (elastic#33411)
  Add predicate_token_filter (elastic#33431)
  Fix Replace function. Adds more tests to all string functions. (elastic#33478)
  [ML] Rename input_fields to column_names in file structure (elastic#33568)
jasontedor added a commit to martijnvg/elasticsearch that referenced this pull request Sep 11, 2018
* master: (91 commits)
  Preserve cluster settings on full restart tests (elastic#33590)
  Use IndexWriter.getFlushingBytes() rather than tracking it ourselves (elastic#33582)
  Fix upgrading of list settings (elastic#33589)
  Add read-only Engine (elastic#33563)
  HLRC: Add ML get categories API (elastic#33465)
  SQL: Adds MONTHNAME, DAYNAME and QUARTER functions (elastic#33411)
  Add predicate_token_filter (elastic#33431)
  Fix Replace function. Adds more tests to all string functions. (elastic#33478)
  [ML] Rename input_fields to column_names in file structure (elastic#33568)
  Add full cluster restart base class (elastic#33577)
  Validate list values for settings (elastic#33503)
  Copy and validatie soft-deletes setting on resize (elastic#33517)
  Test: Fix package name
  SQL: Fix result column names for arithmetic functions (elastic#33500)
  Upgrade to latest Lucene snapshot (elastic#33505)
  Enable not wiping cluster settings after REST test (elastic#33575)
  MINOR: Remove Dead Code in SearchScript (elastic#33569)
  [Test] Remove duplicate method in TestShardRouting (elastic#32815)
  mute test on windows
  Update beats template to include apm-server metrics (elastic#33286)
  ...
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4 participants