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Diffstat (limited to 'docs/sql-programming-guide.md')
-rw-r--r-- | docs/sql-programming-guide.md | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/docs/sql-programming-guide.md b/docs/sql-programming-guide.md index cde5830c73..40e33f757d 100644 --- a/docs/sql-programming-guide.md +++ b/docs/sql-programming-guide.md @@ -1102,7 +1102,11 @@ root {% endhighlight %} Notice that the data types of the partitioning columns are automatically inferred. Currently, -numeric data types and string type are supported. +numeric data types and string type are supported. Sometimes users may not want to automatically +infer the data types of the partitioning columns. For these use cases, the automatic type inference +can be configured by `spark.sql.sources.partitionColumnTypeInference.enabled`, which is default to +`true`. When type inference is disabled, string type will be used for the partitioning columns. + ### Schema merging |