hbase - 如何使用 Stargate REST API 在 HBase 中构建更复杂的过滤器层次结构？

Question

样品表

hbase(main):026:0> 扫描“数据表”

行列+单元格

key1 列=cf1:col1，时间戳=1465135446446，值=value1

key1 列=cf1:col2，时间戳=1465135452934，值=value1

key2 列=cf2:col1，时间戳=1465135471613，值=value2

key2 列=cf2:col2，时间戳=1465135481068，值=value2

key3 列=cf1:col1，时间戳=1465137223212，值=value3

key3 列=cf2:col2，时间戳=1465137232291，值=value3

0.0300 秒内 3 行

询问

过滤满足以下任一条件的行，

行键是“key1”，列是 {cf1:col1}

或者

列是 {cf2:col2}

预期产出

行列+单元格

key1 列=cf1:col1，时间戳=1465135446446，值=value1

key2 列=cf2:col2，时间戳=1465135481068，值=value2

key3 列=cf2:col2，时间戳=1465137232291，值=value3

Answer 1

Base64 等效

cf1 => Y2Yx

col1 => Y29sMQ==

key1 => a2V5MQ==

cf2=> Y2Yy

col2 => Y29sMg==

操作员（操作）：LESS，LESS_OR_EQUAL，EQUAL，NOT_EQUAL，GREATER_OR_EQUAL，GREATER，NO_OP；

过滤器列表（操作）：MUST_PASS_ALL，MUST_PASS_ONE

{
    “类型”：“过滤器列表”，
    "op": "MUST_PASS_ONE",
    “过滤器”：[{
        “类型”：“过滤器列表”，
        "op": "MUST_PASS_ALL",
        “过滤器”：[{
            "type": "FamilyFilter",
            "op": "相等",
            “比较器”：{
                "type": "BinaryComparator",
                “值”：“Y2Yx”
            }
        }, {
            "type": "QualifierFilter",
            "op": "相等",
            “比较器”：{
                "type": "BinaryComparator",
                “值”：“Y29sMQ ==”
            }
        }, {
            “类型”：“行过滤器”，
            "op": "相等",
            “比较器”：{
                "type": "BinaryComparator",
                “价值”：“a2V5MQ==
            }
        }]
    }, {
        “类型”：“过滤器列表”，
        "op": "MUST_PASS_ALL",
        “过滤器”：[{
            "type": "FamilyFilter",
            "op": "相等",
            “比较器”：{
                "type": "BinaryComparator",
                “值”：“Y2Yy”
            }
        }, {
            "type": "QualifierFilter",
            "op": "相等",
            “比较器”：{
                "type": "BinaryComparator",
                “值”：“Y29sMg==
            }
        }]
    }]
}

$ curl -i -H "Content-Type: text/xml" -d @complex_filter.txt http://shva1.hwxblr.com:9292/datatable/scanner

HTTP/1.1 201 创建位置：http ://shva1.hwxblr.com:9292/datatable/scanner/146513894809742c1664a

样本输出

$ curl -i -H "接受：应用程序/json" http://shva1.hwxblr.com:9292/datatable/scanner/146513894809742c1664a

{"行":[{"key":"a2V5MQ==","Cell":[{"column":"Y2YxOmNvbDE=","timestamp":1465135446446,"$":"dmFsdWUx"}]},{ "key":"a2V5Mg==","Cell":[{"column":"Y2YyOmNvbDI=","timestamp":1465135481068,"$":"dmFsdWUy"}]},{"key":"a2V5Mw= =","单元格":[{"column":"Y2YyOmNvbDI=","timestamp":1465137232291,"$":"dmFsdWUz"}]}]}