Add ExternalFileCache
validation as option for ExtendedOpenFileInfo
#17205
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This PR adds functionality to bypass the built-in cache validation for
ExternalFileCache
by adding the key"validate_external_file_cache"
with valuefalse
, to theExtendedOpenFileInfo
ofOpenFileInfo
. This is not exposed to users, so it can only be used internally. This avoids doing aHEAD
request for files that have been queried before.The Iceberg/Delta extensions should be able to set this to
false
safely. cc @Tmonster