For general information about SerDes, see Hive SerDe in the Developer Guide. Also see SerDe for details about input and output processing. Requirements. The AvroSerde has been built and tested against Hive 0.9.1 and later, and uses Avro 1.7.5 as of Hive 0.13 and 0.14. Hive SerDe; SerDe; HCatalog Storage Formats; You must specify a list of columns for tables that use a native SerDe. Refer to the Types part of the User Guide for the allowable column types. A list of columns for tables that use a custom SerDe may be specified but Hive will query the SerDe to determine the actual list of columns for this table. ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.avro.AvroSerDe' We have used the above command while creating the table. This means that the data providing is serialized and de-serialized as well.If we have our own serialized data, there is no need to use this line. Option 1: You issue a HQL query before you run any of your other HQL commands: ADD JAR hiveserde-1.0.jar. Option 2: You can update your hive-site.xml to have the hive.aux.jars.path property set to the complete path to your jar hiveserde-1.0.jar Cobol-to-Hive Serde. Cobol-to-Hive serde requires. Mainframe files to be in their raw format (Transfer the file as binary). See here for more Cobol layout needs to be provided; DDL for using this serde Purpose. Simple hive create table will suffice for using the serde. Column names will be created automatically using the cobol layout provided.
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