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From budde <>
Subject [GitHub] spark pull request #16942: [SPARK-19611][SQL] Introduce configurable table s...
Date Wed, 15 Feb 2017 19:47:07 GMT
Github user budde commented on a diff in the pull request:
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
    @@ -296,6 +296,17 @@ object SQLConf {
           .createWithDefault(250 * 1024 * 1024)
    +  val HIVE_SCHEMA_INFERENCE_MODE = buildConf("spark.sql.hive.schemaInferenceMode")
    +    .doc("Configures the action to take when a case-sensitive schema cannot be read from
a Hive " +
    +      "table's properties. Valid options include INFER_AND_SAVE (infer the case-sensitive
" +
    +      "schema from the underlying data files and write it back to the table properties),
" +
    +      "INFER_ONLY (infer the schema but don't attempt to write it to the table properties)
and " +
    +      "NEVER_INFER (fallback to using the case-insensitive metastore schema instead of
    +    .stringConf
    +    .transform(_.toUpperCase())
    +    .checkValues(Set("INFER_AND_SAVE", "INFER_ONLY", "NEVER_INFER"))
    --- End diff --
    As mentioned in the PR, I'm looking for a good place to store these values as constants
or an enum.

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