[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis webpage details the \u003ccode\u003eColumnSchema\u003c/code\u003e class within the \u003ccode\u003eGoogle.Cloud.DataCatalog.V1\u003c/code\u003e namespace, used to define the structure of a column in a schema.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eColumnSchema\u003c/code\u003e class implements several interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, and inherits from \u003ccode\u003eObject\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eKey properties of \u003ccode\u003eColumnSchema\u003c/code\u003e include \u003ccode\u003eColumn\u003c/code\u003e (name), \u003ccode\u003eDescription\u003c/code\u003e (optional description), \u003ccode\u003eMode\u003c/code\u003e (required, nullable, or repeated), \u003ccode\u003eSubcolumns\u003c/code\u003e (nested columns), and \u003ccode\u003eType\u003c/code\u003e (data type).\u003c/p\u003e\n"],["\u003cp\u003eThere are multiple documented versions of the ColumnSchema, the latest version being 2.14.0, and the page containing versions down to 1.2.0.\u003c/p\u003e\n"],["\u003cp\u003eThe ColumnSchema class has two constructors, a default constructor, and a copy constructor that takes another \u003ccode\u003eColumnSchema\u003c/code\u003e as a parameter.\u003c/p\u003e\n"]]],[],null,[]]