[SPARK-16462][SPARK-16460][SPARK-15144][SQL] Make CSV cast null values properly#14118
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lw-lin wants to merge 6 commits intoapache:masterfrom
Closed
[SPARK-16462][SPARK-16460][SPARK-15144][SQL] Make CSV cast null values properly#14118lw-lin wants to merge 6 commits intoapache:masterfrom
lw-lin wants to merge 6 commits intoapache:masterfrom
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Problem
CSV in Spark 2.0.0:
Boolean,TimestampType,DateType-- this is a regression comparing to 1.6;options.nullValue) asnulls forStringType-- this is compatible with 1.6 but leads to problems like SPARK-16903.What changes were proposed in this pull request?
This patch makes changes to read all empty values back as
nulls.How was this patch tested?
New test cases.