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feat: add optional metadata containing field names to RelCommon #696

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Sep 11, 2024
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feat: add optional metadata containing field names to RelCommon #696

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3 changes: 3 additions & 0 deletions proto/substrait/algebra.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,9 @@ message RelCommon {
// Name (alias) for this relation. Can be used for e.g. qualifying the relation (see e.g.
// Spark's SubqueryAlias), or debugging.
string alias = 3;
// Assigns alternative output field names for any relation. Equivalent to the names field
// in RelRoot but applies to the output of the relation this RelCommon is attached to.
repeated string output_names = 4;

substrait.extensions.AdvancedExtension advanced_extension = 10;

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