RussellSpitzer commented on code in PR #13879:
URL: https://github.com/apache/iceberg/pull/13879#discussion_r2298777374
##########
open-api/rest-catalog-open-api.yaml:
##########
@@ -3260,6 +3260,33 @@ components:
additionalProperties:
type: string
+ ReadRestrictions:
+ type: object
+ description: >
+ Read Restrictions for a table including projection and row filter
expressions.
+ The client MUST enforce these rules to read data from the table.
+ If the read-restrictions section is not present or is empty, clients
MUST treat it as equivalent to having no restrictions.
+ properties:
+ required-projection:
+ description: >
+ A list of projections that must be applied before query
projections. If the term is a transform, it must replace the column referenced
by the term.
+ For example, if the term is mask(cc, 0, 4) i.e mask transform on
column cc, it must replace the column cc in the query with the masked value,
Review Comment:
Also a note here for, "if the engine cannot evaluate any of the terms, it
MUST NOT return the column. If a term cannot be evaluated but it is not
required for processing, it may be ignored."
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