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PARQUET-675: Specify Interval LogicalType #165

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PARQUET-675: Specify Interval LogicalType #165

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20 changes: 19 additions & 1 deletion src/main/thrift/parquet.thrift
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Original file line number Diff line number Diff line change
Expand Up @@ -274,6 +274,23 @@ struct TimestampType {
2: required TimeUnit unit
}

/** Interval units for logical types */
struct YearMonth {}
struct DayTime {}
union IntervalUnit {
1: YearMonth YEAR_MONTH
2: DayTime DAY_TIME
}

/*
* Interval logical type annotation
*
* Allowed for physical types: INT32 (year_month), FIXED_LEN_BYTE_ARRAY(8) (day_time)
*/
struct IntervalType {
1: required IntervalUnit unit
}

/**
* Time logical type annotation
*
Expand Down Expand Up @@ -335,7 +352,8 @@ union LogicalType {
// use ConvertedType TIMESTAMP_MILLIS for TIMESTAMP(isAdjustedToUTC = *, unit = MILLIS)
8: TimestampType TIMESTAMP

// 9: reserved for INTERVAL
// The interval type is not compatible with the legacy ConvertedType INTERVAL
9: IntervalType INTERVAL
10: IntType INTEGER // use ConvertedType INT_* or UINT_*
11: NullType UNKNOWN // no compatible ConvertedType
12: JsonType JSON // use ConvertedType JSON
Expand Down