singhpk234 commented on code in PR #13879:
URL: https://github.com/apache/iceberg/pull/13879#discussion_r2819369988
##########
open-api/rest-catalog-open-api.yaml:
##########
@@ -3441,6 +3441,118 @@ components:
additionalProperties:
type: string
+ ReadRestrictions:
+ type: object
+ description: >
+ Read restrictions for a table, including column projections and row
filter expressions.
+
+ A client MUST enforce the restrictions defined in this object when
reading data
+ from the table.
+
+ These restrictions apply only to the authenticated principal, user,
or account
+ associated with the request. They MUST NOT be interpreted as global
policy and
+ MUST NOT be applied beyond the entity identified by the
Authentication header
+ (or other applicable authentication mechanism).
+ properties:
+ required-column-projections:
+ description: >
+ A list of columns that require specific projections or transforms
to be applied.
+
+ If this property is absent, a reader MAY access all columns of the
table as-is
+ without any mandatory transformations.
+
+ If this property is present, each listed column MUST have its
specified
+ projection or action applied. Columns not listed in
required-column-projections
+ MAY be read as-is without any restrictions.
Review Comment:
I think we can't say must because we don't know if the engine wants to
project it or not ? so its a MAY and not a MUST
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