Teodor Kostov created AVRO-2521:
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Summary: When parsing a schema the logical type is not properly
set for the result instance
Key: AVRO-2521
URL: https://issues.apache.org/jira/browse/AVRO-2521
Project: Apache Avro
Issue Type: Bug
Components: java
Affects Versions: 1.9.0
Reporter: Teodor Kostov
When the following schema is parsed:
{code:java}
Schema schema = new Schema.Parser().parse("{ \"name\": \"test\", \"type\":
\"record\", \"fields\": [{ \"name\": \"time\", \"type\": { \"type\": \"long\",
\"logicalType\": \"MY_TIMESTAMP\" }}]}");
{code}
the `logicalType` is not properly initialized for the schema object of the
`time` field. This means that:
{code:java}
Schema timeSchema = schema.getField("time").schema();
assert(null == timeSchema.getLogicalType());
assert(null != timeSchema.getObjectProp(LogicalType.LOGICAL_TYPE_PROP))
{code}
The private schema value representing the logical type is still `null`.
However, the property map is properly filled with a `LOGICAL_TYPE_PROP`.
Such a schema is unusable because the client of the library cannot fix the
logical type afterwards.
{code:java}
myLogicalType.addToSchema(timeSchema); // BOOM
{code}
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