[SPARK-10289] [SQL] Fixes JSONRelation refreshing on read path #8460
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PR #8035 added a
refresh()
call inJSONRelation.buildScan()
. However, when reading a partition table,buildScan()
is invoked for each individual partition. This PR works around this issue by special casingJSONRelation
inDataSourceStrategy
. We should revisit this issue and deliver a more appropriate fix later.