{"id":50078,"date":"2023-09-18T18:08:56","date_gmt":"2024-02-01T07:35:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8d%a1%e6%a1%91%e5%be%b7%e6%8b%89%e7%9a%84%e5%bc%80%e5%a7%8b\/"},"modified":"2024-05-04T00:22:54","modified_gmt":"2024-05-03T16:22:54","slug":"%e5%8d%a1%e6%a1%91%e5%be%b7%e6%8b%89%e7%9a%84%e5%bc%80%e5%a7%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8d%a1%e6%a1%91%e5%be%b7%e6%8b%89%e7%9a%84%e5%bc%80%e5%a7%8b\/","title":{"rendered":"\u5361\u6851\u5fb7\u62c9\u7684\u5f00\u59cb"},"content":{"rendered":"<h1>\u4e8b\u524d\u51c6\u5907 (Sh\u00ec<\/h1>\n<p>\u5b89\u88c5\uff0c\u8bf7\u53c2\u8003Cassandra Wiki\u3002<br \/>\n\u203b \u4f7f\u7528Cassandra\u7248\u672c1.2.3\u3002<\/p>\n<h1>\u521b\u5efakeyspace<\/h1>\n<p>\u5047\u8bbe\u5df2\u7ecf\u901a\u8fc7cassandra-cli\u8fde\u63a5\u5230\u4e86Cassandra\u3002\u5e76\u4e14\u5047\u8bbekeyspace\u7684\u540d\u79f0\u4e3aKeyspace1\u3002<\/p>\n<h2>\u521b\u5efa<\/h2>\n<p>\u6267\u884c create keyspace Keyspace1;\u3002<\/p>\n<h1>\u521b\u5efa ColumnFamily<\/h1>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u8981\u521b\u5efa\u7684ColumnFamily\u540d\u5b57\u5199\u4e3aStandard1\u3002<\/p>\n<h2>\u9009\u62e9keyspace<\/h2>\n<p>\u6267\u884cKeyspace1\u3002<\/p>\n<h2>\u5236\u4f5c<\/h2>\n<p>\u6267\u884c\u547d\u4ee4\uff1a\u521b\u5efa\u5217\u65cfStandard1\u3002<br \/>\n* \u7531\u4e8e\u672a\u6307\u5b9a\u9009\u9879\u5e76\u9ed8\u8ba4\u8fd0\u884c\uff0c\u56e0\u6b64\u6ca1\u6709\u7279\u522b\u6307\u5b9a\u3002<\/p>\n<h1>\u901a\u8fc7\u5e94\u7528\u7a0b\u5e8f\u7684\u8fde\u63a5<\/h1>\n<p>\u5728\u8fd9\u91cc\uff0c\u4ee5Cassandra Wiki\u7684ThriftExamples\u4e2dJava\u90e8\u5206\u4e3a\u53c2\u8003\uff08\u7528\u4e8e\u5b66\u4e60\u8bed\u8a00\u672c\u8eab\uff09\uff0c\u4f7f\u7528Scala\u3001Gradle\u548cTestNG\uff0c\u5c1d\u8bd5\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u3002<br \/>\n\u8bf7\u7565\u53bb\u5173\u4e8eScala\u8bed\u6cd5\u3001Gradle\u4f7f\u7528\u65b9\u6cd5\u3001TestNG\u4f7f\u7528\u65b9\u6cd5\u4ee5\u53ca\u9879\u76ee\u521b\u5efa\u7684\u8bf4\u660e\u3002<\/p>\n<h2>\u6784\u5efa.gradle<\/h2>\n<p>\u4f7f\u7528\u7684build.gradle\u5982\u4e0b\u6240\u793a\u3002<br \/>\n&#8220;`build.gradle<br \/>\n\u5e94\u7528\u63d2\u4ef6\uff1a&#8217;java&#8217;<br \/>\n\u5e94\u7528\u63d2\u4ef6\uff1a&#8217;eclipse&#8217;<br \/>\n\u5e94\u7528\u63d2\u4ef6\uff1a&#8217;scala&#8217;<\/p>\n<p>sourceCompatibility = 1.7<br \/>\nversion = &#8216;1.0&#8217;<br \/>\njar {<br \/>\nmanifest {<br \/>\nattributes &#8216;Implementation-Title&#8217;: &#8216;Gradle\u5feb\u901f\u5165\u95e8&#8217;, &#8216;Implementation-Version&#8217;: version<br \/>\n}<br \/>\n}<\/p>\n<p>repositories {<br \/>\n\u4ed3\u5e93 {<br \/>\n\u4e2d\u592e\u4ed3\u5e93()<br \/>\n}<br \/>\n}<\/p>\n<p>\u4f9d\u8d56\u5173\u7cfb{<br \/>\n\u7f16\u8bd1 &#8216;org.apache.thrift:libthrift:0.9.0&#8217;<br \/>\n\u7f16\u8bd1 &#8216;org.apache.cassandra:cassandra-thrift:1.2.3&#8217;<br \/>\n\u6d4b\u8bd5\u7f16\u8bd1 &#8216;org.testng:testng:6.8&#8217;<br \/>\n}<\/p>\n<p>\u6d4b\u8bd5 {<br \/>\n\u7cfb\u7edf\u5c5e\u6027 &#8216;property&#8217;: &#8216;value&#8217;<br \/>\n}<\/p>\n<p>\u4e0a\u4f20\u5b58\u6863{<br \/>\n\u4ed3\u5e93{<br \/>\n\u5e73\u9762\u76ee\u5f55{<br \/>\n\u76ee\u5f55 &#8216;repos&#8217;<br \/>\n}<br \/>\n}<br \/>\n}<\/p>\n<h2>\u5ba2\u6237\u4ee3\u7801<\/h2>\n<p>\u8bf7\u5ffd\u7565\u5bf9\u4e8e\u88ab\u6807\u6ce8\u4e3a&#8221;(\u8be6\u7ec6\u672a\u8c03\u67e5)&#8221;\u7684\u90e8\u5206\u7684\u8bc4\u8bba\u5185\u5bb9\uff0c\u56e0\u4e3a\u6211\u4eec\u6ca1\u6709\u8be6\u7ec6\u8c03\u67e5\u8fc7\uff0c\u4e5f\u4e0d\u6e05\u695a\u5177\u4f53\u60c5\u51b5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"nn\">learning.client.cassandra<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.Cassandra<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.Column<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.ColumnParent<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.ConsistencyLevel<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.thrift.protocol.TBinaryProtocol<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.thrift.transport.TFramedTransport<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.thrift.transport.TSocket<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">java.nio.ByteBuffer<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">java.io.Closeable<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.ColumnOrSuperColumn<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.ColumnPath<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.SliceRange<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.SlicePredicate<\/span>\r\n\r\n<span class=\"cm\">\/**\r\n * @author PoaD\r\n *\r\n *\/<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">CassandraClient<\/span><span class=\"o\">(<\/span><span class=\"n\">hostname<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">String<\/span><span class=\"o\">,<\/span> <span class=\"n\">port<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">Int<\/span><span class=\"o\">,<\/span> <span class=\"n\">keyspace<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">String<\/span><span class=\"o\">)<\/span> <span class=\"k\">extends<\/span> <span class=\"nc\">Closeable<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"c1\">\/\/ \u304a\u307e\u3058\u306a\u3044\uff08\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\uff09<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"k\">val<\/span> <span class=\"nv\">transport<\/span> <span class=\"k\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">TFramedTransport<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">TSocket<\/span><span class=\"o\">(<\/span><span class=\"n\">hostname<\/span><span class=\"o\">,<\/span> <span class=\"n\">port<\/span><span class=\"o\">))<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"k\">val<\/span> <span class=\"nv\">protocol<\/span> <span class=\"k\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">TBinaryProtocol<\/span><span class=\"o\">(<\/span><span class=\"n\">transport<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"c1\">\/\/ \u63a5\u7d9a<\/span>\r\n    <span class=\"nv\">transport<\/span><span class=\"o\">.<\/span><span class=\"py\">open<\/span><span class=\"o\">()<\/span>\r\n    <span class=\"c1\">\/\/ Client\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"k\">val<\/span> <span class=\"nv\">client<\/span> <span class=\"k\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nv\">Cassandra<\/span><span class=\"o\">.<\/span><span class=\"py\">Client<\/span><span class=\"o\">(<\/span><span class=\"n\">protocol<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"c1\">\/\/ \u4f7f\u7528\u3059\u308bkeyspace\u306e\u8a2d\u5b9a<\/span>\r\n    <span class=\"nv\">client<\/span><span class=\"o\">.<\/span><span class=\"py\">set_keyspace<\/span><span class=\"o\">(<\/span><span class=\"n\">keyspace<\/span><span class=\"o\">)<\/span>\r\n\r\n    <span class=\"cm\">\/**\r\n     * value\u3067\u6307\u5b9a\u3055\u308c\u305f\u5024\u3092key\u304a\u3088\u3073\u3001parent\u306b\u8a72\u5f53\u3059\u308bcolumn\u3068\u3057\u3066\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002\r\n     *\r\n     * @param key insert\u3059\u308b\u30c7\u30fc\u30bf\u306e\u30ad\u30fc\r\n     * @param parent insert\u3059\u308b\u5148\u306eColumnFamily\r\n     * @param value insert\u3059\u308b\u5024\r\n     * @param level \u30c7\u30fc\u30bf\u4fdd\u6301\u62c5\u5f53Node\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306e\u5024{@link http:\/\/lunarium.info\/arc\/index.php\/Cassandra%E3%81%AE%E6%A7%8B%E9%80%A0#Data.E6.93.8D.E4.BD.9C.E3.81.AEAlgorithm} \u3092\u53c2\u7167\r\n     *\/<\/span>\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">insert<\/span><span class=\"o\">(<\/span><span class=\"n\">key<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">String<\/span><span class=\"o\">,<\/span> <span class=\"n\">parent<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">ColumnParent<\/span><span class=\"o\">,<\/span> <span class=\"n\">name<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">ByteBuffer<\/span><span class=\"o\">,<\/span> <span class=\"n\">value<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">ByteBuffer<\/span><span class=\"o\">,<\/span> <span class=\"n\">level<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">ConsistencyLevel<\/span><span class=\"o\">)<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">Unit<\/span> <span class=\"o\">=<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">val<\/span> <span class=\"nv\">timestamp<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">System<\/span><span class=\"o\">.<\/span><span class=\"py\">currentTimeMillis<\/span><span class=\"o\">()<\/span>\r\n        <span class=\"k\">val<\/span> <span class=\"nv\">column<\/span> <span class=\"k\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Column<\/span><span class=\"o\">()<\/span>\r\n        <span class=\"nv\">column<\/span><span class=\"o\">.<\/span><span class=\"py\">setName<\/span><span class=\"o\">(<\/span><span class=\"n\">name<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"nv\">column<\/span><span class=\"o\">.<\/span><span class=\"py\">setValue<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"nv\">column<\/span><span class=\"o\">.<\/span><span class=\"py\">setTimestamp<\/span><span class=\"o\">(<\/span><span class=\"n\">timestamp<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"nv\">client<\/span><span class=\"o\">.<\/span><span class=\"py\">insert<\/span><span class=\"o\">(<\/span><span class=\"nv\">ByteBuffer<\/span><span class=\"o\">.<\/span><span class=\"py\">wrap<\/span><span class=\"o\">(<\/span><span class=\"nv\">key<\/span><span class=\"o\">.<\/span><span class=\"py\">getBytes<\/span><span class=\"o\">(<\/span><span class=\"s\">\"UTF-8\"<\/span><span class=\"o\">)),<\/span> <span class=\"n\">parent<\/span><span class=\"o\">,<\/span> <span class=\"n\">column<\/span><span class=\"o\">,<\/span> <span class=\"n\">level<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"cm\">\/**\r\n     * key\u304a\u3088\u3073\u3001parent\u306b\u8a72\u5f53\u3059\u308bcolumn\u306e\u4e00\u89a7\u3092\u8fd4\u3057\u307e\u3059\u3002\r\n     *\r\n     * @param key \u53d6\u5f97\u3059\u308b\u30c7\u30fc\u30bf\u306e\u30ad\u30fc\r\n     * @param parent \u53d6\u5f97\u3059\u308b\u5143\u306eColumnFamily\r\n     * @param start \u53d6\u5f97\u3059\u308b\u30c7\u30fc\u30bf\u306e\u7bc4\u56f2\u306e\u958b\u59cb\u4f4d\u7f6e?(\u8a73\u7d30\u672a\u8abf\u67fb)\r\n     * @param end \u53d6\u5f97\u3059\u308b\u30c7\u30fc\u30bf\u306e\u7bc4\u56f2\u306e\u7d42\u4e86\u4f4d\u7f6e?(\u8a73\u7d30\u672a\u8abf\u67fb)\r\n     * @param reversed \u4e26\u3073\u9806\u3092\u53cd\u8ee2?(\u8a73\u7d30\u672a\u8abf\u67fb)\r\n     * @param count \u53d6\u5f97\u3059\u308b\u30c7\u30fc\u30bf\u306e\u6700\u5927\u6570?(\u8a73\u7d30\u672a\u8abf\u67fb)\r\n     * @param level \u30c7\u30fc\u30bf\u4fdd\u6301\u62c5\u5f53Node\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306e\u5024{@link http:\/\/lunarium.info\/arc\/index.php\/Cassandra%E3%81%AE%E6%A7%8B%E9%80%A0#Data.E6.93.8D.E4.BD.9C.E3.81.AEAlgorithm} \u3092\u53c2\u7167\r\n     * @return key\u304a\u3088\u3073\u3001parent\u306b\u8a72\u5f53\u3059\u308bcolumn\u306e\u4e00\u89a7\r\n     *\/<\/span>\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">getClumns<\/span><span class=\"o\">(<\/span><span class=\"n\">key<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">String<\/span><span class=\"o\">,<\/span> <span class=\"n\">parent<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">ColumnParent<\/span><span class=\"o\">,<\/span> <span class=\"n\">start<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">ByteBuffer<\/span><span class=\"o\">,<\/span> <span class=\"n\">end<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">ByteBuffer<\/span><span class=\"o\">,<\/span> <span class=\"n\">reversed<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">Boolean<\/span><span class=\"o\">,<\/span> <span class=\"n\">count<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">Int<\/span><span class=\"o\">,<\/span> <span class=\"n\">level<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">ConsistencyLevel<\/span><span class=\"o\">)<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">java.util.List<\/span><span class=\"o\">[<\/span><span class=\"kt\">ColumnOrSuperColumn<\/span><span class=\"o\">]<\/span> <span class=\"k\">=<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">val<\/span> <span class=\"nv\">predicate<\/span> <span class=\"k\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">SlicePredicate<\/span><span class=\"o\">()<\/span>\r\n        <span class=\"nv\">predicate<\/span><span class=\"o\">.<\/span><span class=\"py\">setSlice_range<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">SliceRange<\/span><span class=\"o\">(<\/span><span class=\"n\">start<\/span><span class=\"o\">,<\/span> <span class=\"n\">end<\/span><span class=\"o\">,<\/span> <span class=\"n\">reversed<\/span><span class=\"o\">,<\/span> <span class=\"n\">count<\/span><span class=\"o\">))<\/span>\r\n        <span class=\"nv\">client<\/span><span class=\"o\">.<\/span><span class=\"py\">get_slice<\/span><span class=\"o\">(<\/span><span class=\"nv\">ByteBuffer<\/span><span class=\"o\">.<\/span><span class=\"py\">wrap<\/span><span class=\"o\">(<\/span><span class=\"nv\">key<\/span><span class=\"o\">.<\/span><span class=\"py\">getBytes<\/span><span class=\"o\">(<\/span><span class=\"s\">\"UTF-8\"<\/span><span class=\"o\">)),<\/span> <span class=\"n\">parent<\/span><span class=\"o\">,<\/span> <span class=\"n\">predicate<\/span><span class=\"o\">,<\/span> <span class=\"n\">level<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"cm\">\/**\r\n     * \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002\r\n     *\/<\/span>\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">close<\/span> <span class=\"k\">=<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nv\">transport<\/span><span class=\"o\">.<\/span><span class=\"py\">flush<\/span><span class=\"o\">()<\/span>\r\n        <span class=\"nv\">transport<\/span><span class=\"o\">.<\/span><span class=\"py\">close<\/span><span class=\"o\">()<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u6d4b\u8bd5\u4ee3\u7801<\/h2>\n<p>\u5927\u81f4\u4e0a\u662f\u8fd9\u6837\u3002\u5199\u4e0b\u6765\uff0c\u8bfb\u4e00\u904d\uff0c\u68c0\u67e5\u5185\u5bb9\u662f\u5426\u76f8\u540c\uff0c\u5c31\u7ed3\u675f\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"nn\">learning.client.cassandra<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.testng.annotations.Test<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.testng.annotations.BeforeClass<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.ColumnPath<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.ColumnParent<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.ConsistencyLevel<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">java.nio.ByteBuffer<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.SlicePredicate<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.SliceRange<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.apache.cassandra.thrift.ColumnOrSuperColumn<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nn\">org.testng.Assert<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"nn\">scala.collection.convert.DecorateAsJava<\/span>\r\n\r\n<span class=\"cm\">\/**\r\n * @author PoaD\r\n *\r\n *\/<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">CassandraClientTest<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"nd\">@Test<\/span>\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">test<\/span><span class=\"o\">()<\/span> <span class=\"k\">=<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"c1\">\/\/ \u30c6\u30b9\u30c8\u5bfe\u8c61<\/span>\r\n        <span class=\"k\">val<\/span> <span class=\"nv\">target<\/span> <span class=\"k\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">CassandraClient<\/span><span class=\"o\">(<\/span><span class=\"s\">\"localhost\"<\/span><span class=\"o\">,<\/span> <span class=\"mi\">9160<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"Keyspace1\"<\/span><span class=\"o\">)<\/span>\r\n\r\n        <span class=\"k\">val<\/span> <span class=\"nv\">key<\/span> <span class=\"k\">=<\/span> <span class=\"s\">\"1\"<\/span>\r\n        <span class=\"k\">val<\/span> <span class=\"nv\">name<\/span> <span class=\"k\">=<\/span> <span class=\"s\">\"name\"<\/span>\r\n        <span class=\"k\">val<\/span> <span class=\"nv\">value<\/span> <span class=\"k\">=<\/span> <span class=\"s\">\"test value\"<\/span>\r\n        <span class=\"k\">val<\/span> <span class=\"nv\">parent<\/span> <span class=\"k\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">ColumnParent<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Standard1\"<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ Column Family\u306e\u6307\u5b9a<\/span>\r\n        <span class=\"c1\">\/\/ \u66f8\u304d\u8fbc\u307f<\/span>\r\n        <span class=\"nv\">target<\/span><span class=\"o\">.<\/span><span class=\"py\">insert<\/span><span class=\"o\">(<\/span>\r\n            <span class=\"n\">key<\/span><span class=\"o\">,<\/span>\r\n            <span class=\"n\">parent<\/span><span class=\"o\">,<\/span>\r\n            <span class=\"nv\">ByteBuffer<\/span><span class=\"o\">.<\/span><span class=\"py\">wrap<\/span><span class=\"o\">(<\/span><span class=\"nv\">name<\/span><span class=\"o\">.<\/span><span class=\"py\">getBytes<\/span><span class=\"o\">(<\/span><span class=\"s\">\"UTF-8\"<\/span><span class=\"o\">)),<\/span>\r\n            <span class=\"nv\">ByteBuffer<\/span><span class=\"o\">.<\/span><span class=\"py\">wrap<\/span><span class=\"o\">(<\/span><span class=\"nv\">value<\/span><span class=\"o\">.<\/span><span class=\"py\">getBytes<\/span><span class=\"o\">(<\/span><span class=\"s\">\"UTF-8\"<\/span><span class=\"o\">)),<\/span>\r\n            <span class=\"nv\">ConsistencyLevel<\/span><span class=\"o\">.<\/span><span class=\"py\">ALL<\/span><span class=\"o\">)<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u66f8\u304d\u8fbc\u3093\u3060\u7d50\u679c\u306e\u53d6\u5f97<\/span>\r\n        <span class=\"k\">val<\/span> <span class=\"nv\">columns<\/span> <span class=\"k\">:<\/span> <span class=\"kt\">java.util.List<\/span><span class=\"o\">[<\/span><span class=\"kt\">ColumnOrSuperColumn<\/span><span class=\"o\">]<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">target<\/span><span class=\"o\">.<\/span><span class=\"py\">getClumns<\/span><span class=\"o\">(<\/span>\r\n            <span class=\"n\">key<\/span><span class=\"o\">,<\/span>\r\n            <span class=\"n\">parent<\/span><span class=\"o\">,<\/span>\r\n            <span class=\"nv\">ByteBuffer<\/span><span class=\"o\">.<\/span><span class=\"py\">wrap<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">Array<\/span><span class=\"o\">[<\/span><span class=\"kt\">Byte<\/span><span class=\"o\">](<\/span><span class=\"mi\">0<\/span><span class=\"o\">)),<\/span>\r\n            <span class=\"nv\">ByteBuffer<\/span><span class=\"o\">.<\/span><span class=\"py\">wrap<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">Array<\/span><span class=\"o\">[<\/span><span class=\"kt\">Byte<\/span><span class=\"o\">](<\/span><span class=\"mi\">0<\/span><span class=\"o\">)),<\/span>\r\n            <span class=\"kc\">false<\/span><span class=\"o\">,<\/span>\r\n            <span class=\"mi\">100<\/span><span class=\"o\">,<\/span>\r\n            <span class=\"nv\">ConsistencyLevel<\/span><span class=\"o\">.<\/span><span class=\"py\">ALL<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"c1\">\/\/ \u53d6\u5f97\u5185\u5bb9\u306e\u691c\u8a3c<\/span>\r\n        <span class=\"nv\">Assert<\/span><span class=\"o\">.<\/span><span class=\"py\">assertEquals<\/span><span class=\"o\">(<\/span><span class=\"nv\">columns<\/span><span class=\"o\">.<\/span><span class=\"py\">size<\/span><span class=\"o\">(),<\/span> <span class=\"mi\">1<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"nv\">Assert<\/span><span class=\"o\">.<\/span><span class=\"py\">assertEquals<\/span><span class=\"o\">(<\/span><span class=\"nv\">columns<\/span><span class=\"o\">.<\/span><span class=\"py\">get<\/span><span class=\"o\">(<\/span><span class=\"mi\">0<\/span><span class=\"o\">).<\/span><span class=\"py\">getColumn<\/span><span class=\"o\">().<\/span><span class=\"py\">getName<\/span><span class=\"o\">(),<\/span> <span class=\"nv\">name<\/span><span class=\"o\">.<\/span><span class=\"py\">getBytes<\/span><span class=\"o\">(<\/span><span class=\"s\">\"UTF-8\"<\/span><span class=\"o\">))<\/span>\r\n        <span class=\"nv\">Assert<\/span><span class=\"o\">.<\/span><span class=\"py\">assertEquals<\/span><span class=\"o\">(<\/span><span class=\"nv\">columns<\/span><span class=\"o\">.<\/span><span class=\"py\">get<\/span><span class=\"o\">(<\/span><span class=\"mi\">0<\/span><span class=\"o\">).<\/span><span class=\"py\">getColumn<\/span><span class=\"o\">().<\/span><span class=\"py\">getValue<\/span><span class=\"o\">(),<\/span> <span class=\"nv\">value<\/span><span class=\"o\">.<\/span><span class=\"py\">getBytes<\/span><span class=\"o\">(<\/span><span class=\"s\">\"UTF-8\"<\/span><span class=\"o\">))<\/span>\r\n        <span class=\"nv\">target<\/span><span class=\"o\">.<\/span><span class=\"py\">close<\/span> <span class=\"c1\">\/\/ client\u306e\u7d42\u4e86<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e8b\u524d\u51c6\u5907 (Sh\u00ec \u5b89\u88c5\uff0c\u8bf7\u53c2\u8003Cassandra Wiki\u3002 \u203b \u4f7f\u7528Cassandra\u7248\u672c1.2.3\u3002 \u521b [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50078","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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