Limit cells per column (HBase)
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Creates a limiting filter on cells per column.
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For detailed documentation that includes this code sample, see the following:
Code sample
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis content focuses on a filter that limits the number of cells per column in a Bigtable table.\u003c/p\u003e\n"],["\u003cp\u003eThe provided Java code demonstrates how to implement this filter, restricting the scan to the most recent 2 versions in each column.\u003c/p\u003e\n"],["\u003cp\u003eThe filter is used via a \u003ccode\u003eScan\u003c/code\u003e object, employing the \u003ccode\u003esetMaxVersions(2)\u003c/code\u003e method, to achieve the desired limit.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation includes links to additional resources on using filters in Bigtable, and how to set up authentication and use the client libraries.\u003c/p\u003e\n"]]],[],null,["Creates a limiting filter on cells per column.\n\nExplore further\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Use filters](/bigtable/docs/using-filters)\n\nCode sample \n\nJava\n\n\nTo learn how to install and use the client library for Bigtable, see\n[Bigtable client libraries](/bigtable/docs/reference/libraries).\n\n\nTo authenticate to Bigtable, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n public static void filterLimitCellsPerCol() {\n // TODO(developer): Replace these variables before running the sample.\n String projectId = \"my-project-id\";\n String instanceId = \"my-instance-id\";\n String tableId = \"mobile-time-series\";\n filterLimitCellsPerCol(projectId, instanceId, tableId);\n }\n\n public static void filterLimitCellsPerCol(String projectId, String instanceId, String tableId) {\n // A filter that matches only the most recent 2 cells within each column\n Scan scan = new Scan().setMaxVersions(2);\n readWithFilter(projectId, instanceId, tableId, scan);\n }\n\nWhat's next\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=bigtable)."]]