{"id":56728,"library":"orc-core","title":"ORC Core","description":"Core reader and writer for the Optimized Row Columnar (ORC) file format, using vectorized column batch for in-memory representation.","status":"active","version":"2.3.0","language":"java","source_language":null,"source_url":"https://github.com/apache/maven-apache-parent","tags":["orc","columnar","big-data","hadoop"],"install":[{"cmd":"<dependency>\n  <groupId>org.apache.orc</groupId>\n  <artifactId>orc-core</artifactId>\n  <version>2.3.0</version>\n</dependency>","lang":"xml","label":"Maven"},{"cmd":"implementation 'org.apache.orc:orc-core:2.3.0'","lang":"groovy","label":"Gradle"}],"dependencies":[],"imports":[{"symbol":"OrcFile","correct":"org.apache.orc.OrcFile"}],"quickstart":{"code":"import org.apache.orc.OrcFile;\nimport org.apache.orc.TypeDescription;\nimport org.apache.hadoop.conf.Configuration;\nimport org.apache.hadoop.fs.Path;\n\npublic class Example {\n    public static void main(String[] args) throws Exception {\n        Configuration conf = new Configuration();\n        TypeDescription schema = TypeDescription.fromString(\"struct<name:string,age:int>\");\n        OrcFile.WriterOptions options = OrcFile.writerOptions(conf).setSchema(schema);\n        OrcFile.Writer writer = OrcFile.createWriter(new Path(\"output.orc\"), options);\n        writer.close();\n    }\n}","lang":"java","description":"Creates an ORC file writer with a schema."},"warnings":[],"env_vars":null,"search_vec":"'batch':18 'big':27 'big-data':26 'column':17 'columnar':11,25 'core':2,3 'data':28 'file':13 'format':14 'hadoop':29 'in-memori':20 'memori':22 'optim':9 'orc':1,12,24 'reader':4 'represent':23 'row':10 'use':15 'vector':16 'writer':6","created_at":"2026-06-15T10:47:51.340270+00:00","updated_at":"2026-06-15T10:47:51.340270+00:00","problems":[],"ecosystem":"maven","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://orc.apache.org","github":"https://github.com/apache/maven-apache-parent","docs":"https://appdoc.app/artifact/org.apache.orc/orc-core/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["serialization"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-15","next_check":"2026-12-12","install_tag":null}}