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From "Luis Gonzalez (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-12955) avro.schema.literal don't support more than 50 fields.
Date Thu, 28 Jan 2016 15:51:39 GMT
Luis Gonzalez created HIVE-12955:
------------------------------------

             Summary:  avro.schema.literal don't support more than 50 fields.
                 Key: HIVE-12955
                 URL: https://issues.apache.org/jira/browse/HIVE-12955
             Project: Hive
          Issue Type: Bug
          Components: Hive
    Affects Versions: 1.0.0
            Reporter: Luis Gonzalez
            Priority: Minor


Hi!

we think we have hitted a bug. We have tested this in many ways for a couple of hours now
and there is apparently a problem with avro.schema.literal when you specify more than 50 fields.
In our tests we have found that regarless the avro file (table) we want to load, it fails
with 60 fields.. some tables we uses have more than 400 fields and have the same problem.

For instance if we launch the command 

```
hive> drop table tableName;
OK
Time taken: 0.162 seconds
hive> 
    > CREATE EXTERNAL TABLE tableName
    > ROW FORMAT
    > SERDE 'org.apache.hadoop.hive.serde2.avro.AvroSerDe'
    > WITH SERDEPROPERTIES ('avro.schema.literal'='
    > { "namespace": "cdr.avro", "type": "record", "name": "Account", "fields": [ 
    > {"name": "Id", "type":["null", "string"],"default":null}, 
    > {"name": "IsDeleted", "type":["null", "boolean"],"default":null}, 
    > {"name": "MasterRecordId", "type":["null", "string"],"default":null}, 
    > {"name": "Name", "type":["null", "string"],"default":null}, 
    > {"name": "Type", "type":["null", "string"],"default":null}, 
    > {"name": "RecordTypeId", "type":["null", "string"],"default":null}, 
    > {"name": "ParentId", "type":["null", "string"],"default":null}, 
    > {"name": "Phone", "type":["null", "string"],"default":null}, 
    > {"name": "Fax", "type":["null", "string"],"default":null}, 
    > {"name": "AccountNumber", "type":["null", "string"],"default":null}, 
    > {"name": "Website", "type":["null", "string"],"default":null}, 
    > {"name": "Industry", "type":["null", "string"],"default":null}, 
    > {"name": "AnnualRevenue", "type":["null", "double"],"default":null}, 
    > {"name": "NumberOfEmployees", "type":["null", "int"],"default":null}, 
    > {"name": "Description", "type":["null", "string"],"default":null}, 
    > {"name": "OwnerId", "type":["null", "string"],"default":null}, 
    > {"name": "CreatedDate", "type":["null", "string"],"default":null}, 
    > {"name": "CreatedById", "type":["null", "string"],"default":null}, 
    > {"name": "LastModifiedDate", "type":["null", "string"],"default":null}, 
    > {"name": "LastModifiedById", "type":["null", "string"],"default":null}, 
    > {"name": "SystemModstamp", "type":["null", "string"],"default":null}, 
    > {"name": "LastActivityDate", "type":["null", "string"],"default":null}, 
    > {"name": "IsPartner", "type":["null", "boolean"],"default":null}, 
    > {"name": "IsCustomerPortal", "type":["null", "boolean"],"default":null}, 
    > {"name": "JigsawCompanyId", "type":["null", "string"],"default":null}, 
    > {"name": "Invoice_Level__c", "type":["null", "string"],"default":null}, 
    > {"name": "IT_Developer_Fee__c", "type":["null", "boolean"],"default":null}, 
    > {"name": "Customer_Type__c", "type":["null", "string"],"default":null}, 
    > {"name": "Shortname__c", "type":["null", "string"],"default":null}, 
    > {"name": "Excluir_compensacion_por_desvio__c", "type":["null", "boolean"],"default":null},

    > {"name": "Commercial_Area__c", "type":["null", "string"],"default":null}, 
    > {"name": "Account_Status__c", "type":["null", "string"],"default":null}, 
    > {"name": "Active_Fiscal_Details__c", "type":["null", "boolean"],"default":null},

    > {"name": "Office_Code__c", "type":["null", "string"],"default":null}, 
    > {"name": "Commercial_Brand__c", "type":["null", "string"],"default":null}, 
    > {"name": "Agreed_payment_method__c", "type":["null", "string"],"default":null}, 
    > {"name": "Division__c", "type":["null", "string"],"default":null}, 
    > {"name": "Inactive_Date__c", "type":["null", "string"],"default":null}, 
    > {"name": "SAP_Code__c", "type":["null", "string"],"default":null}, 
    > {"name": "Country_fiscal__c", "type":["null", "string"],"default":null}, 
    > {"name": "Fiscal_Number_1__c", "type":["null", "string"],"default":null}, 
    > {"name": "Fiscal_Number_2__c", "type":["null", "string"],"default":null}, 
    > {"name": "Street_Fiscal__c", "type":["null", "string"],"default":null}, 
    > {"name": "City_fiscal__c", "type":["null", "string"],"default":null}, 
    > {"name": "Post_Code_fiscal__c", "type":["null", "string"],"default":null}, 
    > {"name": "Web_Prepayment__c", "type":["null", "boolean"],"default":null}, 
    > {"name": "Customer_Subtype__c", "type":["null", "string"],"default":null}, 
    > {"name": "Relationship__c", "type":["null", "string"],"default":null}, 
    > {"name": "Market_Country__c", "type":["null", "string"],"default":null}
    > ] }
    > ')
    > STORED AS
    > INPUTFORMAT 'org.apache.hadoop.hive.ql.io.avro.AvroContainerInputFormat'
    > OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.avro.AvroContainerOutputFormat'
    > LOCATION 's3://bucket.../path/to/avro';
OK
Time taken: 0.412 seconds
hive> 
    > select * from tableName limit 10;
OK
```

but when using the same AVRO file and more fields it fails
```
hive> drop table tableName;
OK
Time taken: 0.146 seconds
hive> 
    > CREATE EXTERNAL TABLE tableName
    > ROW FORMAT
    > SERDE 'org.apache.hadoop.hive.serde2.avro.AvroSerDe'
    > WITH SERDEPROPERTIES ('avro.schema.literal'='
    > { "namespace": "cdr.avro", "type": "record", "name": "Account", "fields": [ 
    > {"name": "Id", "type":["null", "string"],"default":null}, 
    > {"name": "IsDeleted", "type":["null", "boolean"],"default":null}, 
    > {"name": "MasterRecordId", "type":["null", "string"],"default":null}, 
    > {"name": "Name", "type":["null", "string"],"default":null}, 
    > {"name": "Type", "type":["null", "string"],"default":null}, 
    > {"name": "RecordTypeId", "type":["null", "string"],"default":null}, 
    > {"name": "ParentId", "type":["null", "string"],"default":null}, 
    > {"name": "Phone", "type":["null", "string"],"default":null}, 
    > {"name": "Fax", "type":["null", "string"],"default":null}, 
    > {"name": "AccountNumber", "type":["null", "string"],"default":null}, 
    > {"name": "Website", "type":["null", "string"],"default":null}, 
    > {"name": "Industry", "type":["null", "string"],"default":null}, 
    > {"name": "AnnualRevenue", "type":["null", "double"],"default":null}, 
    > {"name": "NumberOfEmployees", "type":["null", "int"],"default":null}, 
    > {"name": "Description", "type":["null", "string"],"default":null}, 
    > {"name": "OwnerId", "type":["null", "string"],"default":null}, 
    > {"name": "CreatedDate", "type":["null", "string"],"default":null}, 
    > {"name": "CreatedById", "type":["null", "string"],"default":null}, 
    > {"name": "LastModifiedDate", "type":["null", "string"],"default":null}, 
    > {"name": "LastModifiedById", "type":["null", "string"],"default":null}, 
    > {"name": "SystemModstamp", "type":["null", "string"],"default":null}, 
    > {"name": "LastActivityDate", "type":["null", "string"],"default":null}, 
    > {"name": "IsPartner", "type":["null", "boolean"],"default":null}, 
    > {"name": "IsCustomerPortal", "type":["null", "boolean"],"default":null}, 
    > {"name": "JigsawCompanyId", "type":["null", "string"],"default":null}, 
    > {"name": "Invoice_Level__c", "type":["null", "string"],"default":null}, 
    > {"name": "IT_Developer_Fee__c", "type":["null", "boolean"],"default":null}, 
    > {"name": "Customer_Type__c", "type":["null", "string"],"default":null}, 
    > {"name": "Shortname__c", "type":["null", "string"],"default":null}, 
    > {"name": "Excluir_compensacion_por_desvio__c", "type":["null", "boolean"],"default":null},

    > {"name": "Commercial_Area__c", "type":["null", "string"],"default":null}, 
    > {"name": "Account_Status__c", "type":["null", "string"],"default":null}, 
    > {"name": "Active_Fiscal_Details__c", "type":["null", "boolean"],"default":null},

    > {"name": "Office_Code__c", "type":["null", "string"],"default":null}, 
    > {"name": "Commercial_Brand__c", "type":["null", "string"],"default":null}, 
    > {"name": "Agreed_payment_method__c", "type":["null", "string"],"default":null}, 
    > {"name": "Division__c", "type":["null", "string"],"default":null}, 
    > {"name": "Inactive_Date__c", "type":["null", "string"],"default":null}, 
    > {"name": "SAP_Code__c", "type":["null", "string"],"default":null}, 
    > {"name": "Country_fiscal__c", "type":["null", "string"],"default":null}, 
    > {"name": "Fiscal_Number_1__c", "type":["null", "string"],"default":null}, 
    > {"name": "Fiscal_Number_2__c", "type":["null", "string"],"default":null}, 
    > {"name": "Street_Fiscal__c", "type":["null", "string"],"default":null}, 
    > {"name": "City_fiscal__c", "type":["null", "string"],"default":null}, 
    > {"name": "Post_Code_fiscal__c", "type":["null", "string"],"default":null}, 
    > {"name": "Web_Prepayment__c", "type":["null", "boolean"],"default":null}, 
    > {"name": "Customer_Subtype__c", "type":["null", "string"],"default":null}, 
    > {"name": "Relationship__c", "type":["null", "string"],"default":null}, 
    > {"name": "Market_Country__c", "type":["null", "string"],"default":null}, 
    > {"name": "Customer_Service_Centre__c", "type":["null", "string"],"default":null},

    > {"name": "Acquisition_Channel_Type__c", "type":["null", "string"],"default":null},

    > {"name": "Acquisition_Channel_Description__c", "type":["null", "string"],"default":null},

    > {"name": "Comments__c", "type":["null", "string"],"default":null}, 
    > {"name": "Street_Commercial__c", "type":["null", "string"],"default":null}, 
    > {"name": "Country_Commercial__c", "type":["null", "string"],"default":null}, 
    > {"name": "City_Commercial__c", "type":["null", "string"],"default":null}, 
    > {"name": "Post_Code_Commercial__c", "type":["null", "string"],"default":null}, 
    > {"name": "Atlas_Branch_Number__c", "type":["null", "double"],"default":null}, 
    > {"name": "Timezone__c", "type":["null", "string"],"default":null}, 
    > {"name": "Billing_Language__c", "type":["null", "string"],"default":null}, 
    > {"name": "Fiscal_Name__c", "type":["null", "string"],"default":null}
    > ] }
    > ')
    > STORED AS
    > INPUTFORMAT 'org.apache.hadoop.hive.ql.io.avro.AvroContainerInputFormat'
    > OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.avro.AvroContainerOutputFormat'
    > LOCATION 's3://bucket/path/to/avro';
OK
Time taken: 0.48 seconds
hive> 
    > select * from tableName limit 10;
OK
Failed with exception java.io.IOException:org.apache.avro.AvroTypeException: Found cdr.avro.Account,
expecting org.apache.hadoop.hive.CannotDetermineSchemaSentinel
Time taken: 0.028 seconds
```

This problem doesn't affect when we store the avro schema with 400 fields in a file in s3
and use the avro.schema.url field.




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