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Add compatibility flag to cast long to timestamp #13

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Merged
GuoPhilipse merged 1 commit into from
May 18, 2020
Merged

Add compatibility flag to cast long to timestamp #13

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12 changes: 12 additions & 0 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -1591,6 +1591,16 @@ object SQLConf {
.doc("When true, use legacy MySqlServer SMALLINT and REAL type mapping.")
.booleanConf
.createWithDefault(false)

val LONG_TIMESTAMP_CONVERSION_IN_SECONDS =
buildConf("spark.sql.legacy.longTimestampConversionInSeconds")
.internal()
.doc("When false, Byte/Short/Int/Long value is interpreted as milliseconds " +
"during the timestamp conversion ." +
"when true, the value will be interpreted as seconds " +
"to be consistent with decimal/double. ")
.booleanConf
.createWithDefault(true)
}

/**
Expand Down Expand Up @@ -2004,6 +2014,8 @@ class SQLConf extends Serializable with Logging {
def legacyMsSqlServerNumericMappingEnabled: Boolean =
getConf(LEGACY_MSSQLSERVER_NUMERIC_MAPPING_ENABLED)

def longTimestampConversionInSeconds: Boolean = getConf(LONG_TIMESTAMP_CONVERSION_IN_SECONDS)

/** ********************** SQLConf functionality methods ************ */

/** Set Spark SQL configuration properties. */
Expand Down