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punctuation"}},[s._v("}")]),s._v("\n")])])]),t("h4",{attrs:{id:"条件过滤"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#条件过滤"}},[s._v("#")]),s._v(" 条件过滤")]),s._v(" "),t("p",[s._v("Filter 可以设定一系列条件来进行过滤。如我们要查询值等于 24 的所有数据：")]),s._v(" "),t("div",{staticClass:"language-shell extra-class"},[t("pre",{pre:!0,attrs:{class:"language-shell"}},[t("code",[s._v("scan "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'test'")]),s._v(", "),t("span",{pre:!0,attrs:{class:"token assign-left variable"}},[s._v("FILTER")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(">")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("\"ValueFilter(=,'binary:24')\"")]),s._v("\n")])])]),t("p",[s._v("值包含 valueA 的所有数据：")]),s._v(" "),t("div",{staticClass:"language-shell extra-class"},[t("pre",{pre:!0,attrs:{class:"language-shell"}},[t("code",[s._v("scan "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'test'")]),s._v(", "),t("span",{pre:!0,attrs:{class:"token assign-left variable"}},[s._v("FILTER")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(">")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("\"ValueFilter(=,'substring:valueA')\"")]),s._v("\n")])])]),t("p",[s._v("列名中的前缀为 b 的：")]),s._v(" "),t("div",{staticClass:"language-shell extra-class"},[t("pre",{pre:!0,attrs:{class:"language-shell"}},[t("code",[s._v("scan "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'test'")]),s._v(", "),t("span",{pre:!0,attrs:{class:"token assign-left variable"}},[s._v("FILTER")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(">")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("\"ColumnPrefixFilter('b')\"")]),s._v("\n")])])]),t("p",[s._v("FILTER 中支持多个过滤条件通过括号、AND 和 OR 进行组合：")]),s._v(" "),t("div",{staticClass:"language-shell extra-class"},[t("pre",{pre:!0,attrs:{class:"language-shell"}},[t("code",[t("span",{pre:!0,attrs:{class:"token comment"}},[s._v("# 列名中的前缀为 b 且列值中包含1998的数据")]),s._v("\nscan "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'test'")]),s._v(", "),t("span",{pre:!0,attrs:{class:"token assign-left variable"}},[s._v("FILTER")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(">")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("\"ColumnPrefixFilter('b') AND ValueFilter ValueFilter(=,'substring:A')\"")]),s._v("\n")])])]),t("p",[t("code",[s._v("PrefixFilter")]),s._v(" 用于对 Rowkey 的前缀进行判断：")]),s._v(" "),t("div",{staticClass:"language-shell extra-class"},[t("pre",{pre:!0,attrs:{class:"language-shell"}},[t("code",[s._v("scan "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'test'")]),s._v(", "),t("span",{pre:!0,attrs:{class:"token assign-left variable"}},[s._v("FILTER")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(">")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("\"PrefixFilter('wr')\"")]),s._v("\n")])])]),t("h2",{attrs:{id:"参考资料"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#参考资料"}},[s._v("#")]),s._v(" 参考资料")]),s._v(" "),t("ul",[t("li",[t("a",{attrs:{href:"https://github.com/heibaiying/BigData-Notes/blob/master/notes/Hbase_Shell.md",target:"_blank",rel:"noopener noreferrer"}},[s._v("Hbase 常用 Shell 命令"),t("OutboundLink")],1)])])])}),[],!1,null,null,null);t.default=r.exports}}]);