liviu created AVRO-2088:
---------------------------
Summary: Decimal logicalType values serialized in hexidecimal vs
decimal
Key: AVRO-2088
URL: https://issues.apache.org/jira/browse/AVRO-2088
Project: Avro
Issue Type: Task
Reporter: liviu
Use use this schema for AVRO file:
{code:java}
"name":"col1",
"type":["null",
{
"type":"bytes",
"logicalType":"decimal",
"precision":19,
"scale":2
}
]
{code}
- if we save data in avro using sqoop or hive (external table), the values are
saved in hexadecimal format (ex. for 3.12 value is:
{color:#d04437}*{"col1":{"bytes":"\u00018"}}*{color}
- if we save the data in that avro file using datastage , the values are saved
in decimal format (ex. for 3.12 the saved value is:
{color:#d04437}*{"col1":{"bytes":"3.12"}}*{color}
The questions are:
1). why there is this differences, in one case the data is serialised using
hexidecimal and the other case using decimal?
2). are these differences caused by Avro serialization encoding used (for one
case is used binary encoding, for the other case is used json encoding)?
3). how can we control how the values are serialized (ex. we want to have them
as "3.12" instead of "\u00018")
Thanks,
Liviu
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