Apache ORC · Schema

ColumnType

ColumnType schema from Apache ORC

Big DataColumnar StorageCompressionFile FormatHadoopApacheOpen Source

Properties

Name	Type	Description
name	string	Column name
type	string	ORC type
nullable	boolean
children	array

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/apache-orc/refs/heads/main/json-schema/apache-orc-column-type-schema.json",
  "title": "ColumnType",
  "description": "ColumnType schema from Apache ORC",
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Column name",
      "example": "customer_id"
    },
    "type": {
      "type": "string",
      "description": "ORC type",
      "example": "int",
      "enum": [
        "boolean",
        "tinyint",
        "smallint",
        "int",
        "bigint",
        "float",
        "double",
        "string",
        "binary",
        "timestamp",
        "date",
        "decimal",
        "varchar",
        "char",
        "list",
        "map",
        "struct",
        "union"
      ]
    },
    "nullable": {
      "type": "boolean",
      "example": true
    },
    "children": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/ColumnType"
      }
    }
  }
}