I believe this has already been implemented but not yet released. It was implemented in:
https://issues.apache.org/jira/browse/AVRO-1847 This is slated to be included in the 1.8.2 release, which should soon be out. Doug On Wed, Feb 15, 2017 at 6:50 PM, Steve Sun <steve.j....@gmail.com> wrote: > Thanks Nathan for your info and effort. > > I really appreciate it. > > Also, I posted the same question on Stackoverflow: > http://stackoverflow.com/questions/41969300/java-math-bigdecimal-to-avro-avdl-file, > looks like we're not alone. > > Feel free to share your updates below that question as well to benefit more > developers. > > Steve > > > > On Wed, Feb 15, 2017 at 8:14 AM, Nathan Fisher <nfis...@junctionbox.ca> > wrote: >> >> Hi Steve, >> >> I'm seeing the same issue. I think you'll need to drop down to JSON. The >> IDL appears to provide a subset of the Avro specification. >> >> I've started mapping the gaps with the following record type: >> >> enum YesNo { YES, NO } >> fixed TWO(2); >> >> record IdlHarness { >> // primitives >> boolean bool = true; >> int i = 0; >> int iN = null; >> long l = 0; >> long lN = null; >> float f = 0.1; >> float fN = 0.1; >> double d = 0.1; >> double dN = null; >> bytes b = "banana"; >> bytes bN = null; >> string s = "s"; >> string sN = null; >> >> // complex >> YesNo en = "YES"; >> YesNo enN = null; >> array<int> a = [1]; >> array<int> aN = null; >> map<int> m = { "hello": 1 }; >> map<int> mN = null; >> union {null, string} un = "hello"; >> union {null, string} unN = null; >> TWO fix = "12"; >> TWO fixN = null; >> >> // logical >> // decimal dec; // error >> date dt = "2017-01-01"; >> date dtN = null; >> // time-millis ms; // fails >> // time-micros us; // fails >> // timestamp-millis tsms; // fails >> // timestamp-micros tsus; // fails >> // duration du; // fails >> } >> >> I've put my results into the Google sheet below. It's still a work in >> progress and I'll try to turn it into a JUnit test scenario. >> >> https://docs.google.com/spreadsheets/d/1dQAyWbrD5PmHzMJ7sVovHBoZug6jlt_x_Htc7ixdbP8/edit?usp=sharing >> >> Kind regards, >> Nathan >> >> On Wed, 1 Feb 2017 at 05:12 Steve Sun <steve.j....@gmail.com> wrote: >>> >>> Hi Avro users mailing list, >>> >>> I'm having trouble writing an Avro schema for java.math.BigDecimal type, >>> I tried the following: >>> >>> 1. Based on Avro official doc: >>> https://avro.apache.org/docs/1.8.1/spec.html#Decimal, I know I need to >>> define Logical Types myself to support BigDecimal, but that link gives >>> example only in avsc, I'm trying to figure it out in avdl. >>> 2. Based on Avro >>> dochttps://avro.apache.org/docs/1.7.6/api/java/org/apache/avro/reflect/package-summary.html >>> and this >>> example:https://github.com/apache/avro/blob/master/share/test/schemas/stringables.avdl, >>> I wrote below avdl: >>> >>> >>> >>> @namespace("test") >>> protocol My_Protocol_v1 { >>> >>> record BigDecimal { >>> @java-class("java.math.BigDecimal") string value; >>> } >>> >>> >>> >>> But it's not working: >>> This IDL schema compiles fine and can generate a Java class called >>> BigDecimal, but I cannot really use the generated BigDecimal as >>> java.math.BigDecimal, what's wrong? or How should I do it? >>> >>> Thanks a lot >>> Steve >> >> -- >> - from my thumbs to your eyes > >
