(window.webpackJsonp=window.webpackJsonp||[]).push([[524],{1092:function(t,s,n){"use strict";n.r(s);var a=n(70),e=Object(a.a)({},(function(){var t=this,s=t.$createElement,n=t._self._c||s;return n("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[n("h1",{attrs:{id:"应用编程接口"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#应用编程接口"}},[t._v("#")]),t._v(" 应用编程接口")]),t._v(" "),n("h2",{attrs:{id:"jdbc"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#jdbc"}},[t._v("#")]),t._v(" JDBC")]),t._v(" "),n("h3",{attrs:{id:"依赖"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#依赖"}},[t._v("#")]),t._v(" 依赖")]),t._v(" "),n("ul",[n("li",[t._v("JDK >= 1.8")]),t._v(" "),n("li",[t._v("Maven >= 3.6")])]),t._v(" "),n("h3",{attrs:{id:"安装方法"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#安装方法"}},[t._v("#")]),t._v(" 安装方法")]),t._v(" "),n("p",[t._v("在根目录下执行下面的命令:")]),t._v(" "),n("div",{staticClass:"language- line-numbers-mode"},[n("pre",{pre:!0,attrs:{class:"language-text"}},[n("code",[t._v("mvn clean install -pl jdbc -am -Dmaven.test.skip=true\n")])]),t._v(" "),n("div",{staticClass:"line-numbers-wrapper"},[n("span",{staticClass:"line-number"},[t._v("1")]),n("br")])]),n("h3",{attrs:{id:"在maven中使用-iotdb-jdbc"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#在maven中使用-iotdb-jdbc"}},[t._v("#")]),t._v(" 在MAVEN中使用 IoTDB JDBC")]),t._v(" "),n("div",{staticClass:"language- line-numbers-mode"},[n("pre",{pre:!0,attrs:{class:"language-text"}},[n("code",[t._v("<dependencies>\n    <dependency>\n      <groupId>org.apache.iotdb</groupId>\n      <artifactId>iotdb-jdbc</artifactId>\n      <version>0.12.0</version>\n    </dependency>\n</dependencies>\n")])]),t._v(" "),n("div",{staticClass:"line-numbers-wrapper"},[n("span",{staticClass:"line-number"},[t._v("1")]),n("br"),n("span",{staticClass:"line-number"},[t._v("2")]),n("br"),n("span",{staticClass:"line-number"},[t._v("3")]),n("br"),n("span",{staticClass:"line-number"},[t._v("4")]),n("br"),n("span",{staticClass:"line-number"},[t._v("5")]),n("br"),n("span",{staticClass:"line-number"},[t._v("6")]),n("br"),n("span",{staticClass:"line-number"},[t._v("7")]),n("br")])]),n("h3",{attrs:{id:"示例代码"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#示例代码"}},[t._v("#")]),t._v(" 示例代码")]),t._v(" "),n("p",[t._v("本章提供了如何建立数据库连接、执行 SQL 和显示查询结果的示例。")]),t._v(" "),n("p",[t._v("要求您已经在工程中包含了数据库编程所需引入的包和 JDBC class.")]),t._v(" "),n("p",[n("strong",[t._v("注意:为了更快地插入，建议使用 executeBatch()")])]),t._v(" "),n("div",{staticClass:"language-Java line-numbers-mode"},[n("pre",{pre:!0,attrs:{class:"language-java"}},[n("code",[n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("import")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token namespace"}},[t._v("java"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("sql"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")])]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("*")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n"),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("import")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token namespace"}},[t._v("org"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("apache"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("iotdb"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("jdbc"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")])]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("IoTDBSQLException")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n"),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("public")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("JDBCExample")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n  "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("/**\n   * Before executing a SQL statement with a Statement object, you need to create a Statement object using the createStatement() method of the Connection object.\n   * After creating a Statement object, you can use its execute() method to execute a SQL statement\n   * Finally, remember to close the 'statement' and 'connection' objects by using their close() method\n   * For statements with query results, we can use the getResultSet() method of the Statement object to get the result set.\n   */")]),t._v("\n  "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("public")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("static")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("void")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("main")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("String")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),t._v(" args"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("throws")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("SQLException")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Connection")]),t._v(" connection "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getConnection")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("if")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("connection "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("==")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("null")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"get connection defeat"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("return")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Statement")]),t._v(" statement "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" connection"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("createStatement")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Create storage group")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("try")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n      statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("execute")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"SET STORAGE GROUP TO root.demo"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("catch")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("IoTDBSQLException")]),t._v(" e"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("e"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getMessage")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Show storage group")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("execute")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"SHOW STORAGE GROUP"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getResultSet")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Create time series")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Different data type has different encoding methods. Here use INT32 as an example")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("try")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n      statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("execute")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"CREATE TIMESERIES root.demo.s0 WITH DATATYPE=INT32,ENCODING=RLE;"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("catch")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("IoTDBSQLException")]),t._v(" e"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("e"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getMessage")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Show time series")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("execute")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"SHOW TIMESERIES root.demo"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getResultSet")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Show devices")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("execute")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"SHOW DEVICES"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getResultSet")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Count time series")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("execute")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"COUNT TIMESERIES root"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getResultSet")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Count nodes at the given level")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("execute")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"COUNT NODES root LEVEL=3"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getResultSet")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Count timeseries group by each node at the given level")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("execute")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"COUNT TIMESERIES root GROUP BY LEVEL=3"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getResultSet")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    \n\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Execute insert statements in batch")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("addBatch")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"insert into root.demo(timestamp,s0) values(1,1);"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("addBatch")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"insert into root.demo(timestamp,s0) values(1,1);"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("addBatch")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"insert into root.demo(timestamp,s0) values(2,15);"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("addBatch")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"insert into root.demo(timestamp,s0) values(2,17);"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("addBatch")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"insert into root.demo(timestamp,s0) values(4,12);"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("executeBatch")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("clearBatch")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Full query statement")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("String")]),t._v(" sql "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"select * from root.demo"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("ResultSet")]),t._v(" resultSet "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("executeQuery")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("sql"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"sql: "')]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("+")]),t._v(" sql"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("resultSet"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Exact query statement")]),t._v("\n    sql "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"select s0 from root.demo where time = 4;"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    resultSet"),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("executeQuery")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("sql"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"sql: "')]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("+")]),t._v(" sql"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("resultSet"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Time range query")]),t._v("\n    sql "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"select s0 from root.demo where time >= 2 and time < 5;"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    resultSet "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("executeQuery")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("sql"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"sql: "')]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("+")]),t._v(" sql"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("resultSet"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Aggregate query")]),t._v("\n    sql "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"select count(s0) from root.demo;"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    resultSet "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("executeQuery")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("sql"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"sql: "')]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("+")]),t._v(" sql"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("resultSet"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//Delete time series")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("execute")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"delete timeseries root.demo.s0"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//close connection")]),t._v("\n    statement"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("close")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    connection"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("close")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n  "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n  "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("public")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("static")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Connection")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getConnection")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// JDBC driver name and database URL")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("String")]),t._v(" driver "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"org.apache.iotdb.jdbc.IoTDBDriver"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("String")]),t._v(" url "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"jdbc:iotdb://127.0.0.1:6667/"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n    "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// Database credentials")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("String")]),t._v(" username "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"root"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("String")]),t._v(" password "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"root"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n    "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Connection")]),t._v(" connection "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("null")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("try")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Class")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("forName")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("driver"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n      connection "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("DriverManager")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getConnection")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("url"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" username"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" password"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("catch")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("ClassNotFoundException")]),t._v(" e"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n      e"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("printStackTrace")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("catch")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("SQLException")]),t._v(" e"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n      e"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("printStackTrace")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("return")]),t._v(" connection"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n  "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n  "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("/**\n   * This is an example of outputting the results in the ResultSet\n   */")]),t._v("\n  "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("private")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("static")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("void")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("outputResult")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("ResultSet")]),t._v(" resultSet"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("throws")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("SQLException")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("if")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("resultSet "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("!=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("null")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"--------------------------"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("final")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("ResultSetMetaData")]),t._v(" metaData "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" resultSet"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getMetaData")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("final")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("int")]),t._v(" columnCount "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" metaData"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getColumnCount")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("for")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("int")]),t._v(" i "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token number"}},[t._v("0")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v(" i "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v(" columnCount"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v(" i"),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("++")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n        "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("print")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("metaData"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getColumnLabel")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("i "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("+")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token number"}},[t._v("1")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("+")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('" "')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("while")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("resultSet"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("next")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n        "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("for")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("int")]),t._v(" i "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token number"}},[t._v("1")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v(" i"),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("++")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n          "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("print")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("resultSet"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("getString")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("i"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n          "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("if")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("i "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v(" columnCount"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n            "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("print")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('", "')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n          "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("else")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n            "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n            "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("break")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n          "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n        "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n      "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("System")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("out"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("println")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"--------------------------\\n"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n    "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n  "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n")])]),t._v(" "),n("div",{staticClass:"line-numbers-wrapper"},[n("span",{staticClass:"line-number"},[t._v("1")]),n("br"),n("span",{staticClass:"line-number"},[t._v("2")]),n("br"),n("span",{staticClass:"line-number"},[t._v("3")]),n("br"),n("span",{staticClass:"line-number"},[t._v("4")]),n("br"),n("span",{staticClass:"line-number"},[t._v("5")]),n("br"),n("span",{staticClass:"line-number"},[t._v("6")]),n("br"),n("span",{staticClass:"line-number"},[t._v("7")]),n("br"),n("span",{staticClass:"line-number"},[t._v("8")]),n("br"),n("span",{staticClass:"line-number"},[t._v("9")]),n("br"),n("span",{staticClass:"line-number"},[t._v("10")]),n("br"),n("span",{staticClass:"line-number"},[t._v("11")]),n("br"),n("span",{staticClass:"line-number"},[t._v("12")]),n("br"),n("span",{staticClass:"line-number"},[t._v("13")]),n("br"),n("span",{staticClass:"line-number"},[t._v("14")]),n("br"),n("span",{staticClass:"line-number"},[t._v("15")]),n("br"),n("span",{staticClass:"line-number"},[t._v("16")]),n("br"),n("span",{staticClass:"line-number"},[t._v("17")]),n("br"),n("span",{staticClass:"line-number"},[t._v("18")]),n("br"),n("span",{staticClass:"line-number"},[t._v("19")]),n("br"),n("span",{staticClass:"line-number"},[t._v("20")]),n("br"),n("span",{staticClass:"line-number"},[t._v("21")]),n("br"),n("span",{staticClass:"line-number"},[t._v("22")]),n("br"),n("span",{staticClass:"line-number"},[t._v("23")]),n("br"),n("span",{staticClass:"line-number"},[t._v("24")]),n("br"),n("span",{staticClass:"line-number"},[t._v("25")]),n("br"),n("span",{staticClass:"line-number"},[t._v("26")]),n("br"),n("span",{staticClass:"line-number"},[t._v("27")]),n("br"),n("span",{staticClass:"line-number"},[t._v("28")]),n("br"),n("span",{staticClass:"line-number"},[t._v("29")]),n("br"),n("span",{staticClass:"line-number"},[t._v("30")]),n("br"),n("span",{staticClass:"line-number"},[t._v("31")]),n("br"),n("span",{staticClass:"line-number"},[t._v("32")]),n("br"),n("span",{staticClass:"line-number"},[t._v("33")]),n("br"),n("span",{staticClass:"line-number"},[t._v("34")]),n("br"),n("span",{staticClass:"line-number"},[t._v("35")]),n("br"),n("span",{staticClass:"line-number"},[t._v("36")]),n("br"),n("span",{staticClass:"line-number"},[t._v("37")]),n("br"),n("span",{staticClass:"line-number"},[t._v("38")]),n("br"),n("span",{staticClass:"line-number"},[t._v("39")]),n("br"),n("span",{staticClass:"line-number"},[t._v("40")]),n("br"),n("span",{staticClass:"line-number"},[t._v("41")]),n("br"),n("span",{staticClass:"line-number"},[t._v("42")]),n("br"),n("span",{staticClass:"line-number"},[t._v("43")]),n("br"),n("span",{staticClass:"line-number"},[t._v("44")]),n("br"),n("span",{staticClass:"line-number"},[t._v("45")]),n("br"),n("span",{staticClass:"line-number"},[t._v("46")]),n("br"),n("span",{staticClass:"line-number"},[t._v("47")]),n("br"),n("span",{staticClass:"line-number"},[t._v("48")]),n("br"),n("span",{staticClass:"line-number"},[t._v("49")]),n("br"),n("span",{staticClass:"line-number"},[t._v("50")]),n("br"),n("span",{staticClass:"line-number"},[t._v("51")]),n("br"),n("span",{staticClass:"line-number"},[t._v("52")]),n("br"),n("span",{staticClass:"line-number"},[t._v("53")]),n("br"),n("span",{staticClass:"line-number"},[t._v("54")]),n("br"),n("span",{staticClass:"line-number"},[t._v("55")]),n("br"),n("span",{staticClass:"line-number"},[t._v("56")]),n("br"),n("span",{staticClass:"line-number"},[t._v("57")]),n("br"),n("span",{staticClass:"line-number"},[t._v("58")]),n("br"),n("span",{staticClass:"line-number"},[t._v("59")]),n("br"),n("span",{staticClass:"line-number"},[t._v("60")]),n("br"),n("span",{staticClass:"line-number"},[t._v("61")]),n("br"),n("span",{staticClass:"line-number"},[t._v("62")]),n("br"),n("span",{staticClass:"line-number"},[t._v("63")]),n("br"),n("span",{staticClass:"line-number"},[t._v("64")]),n("br"),n("span",{staticClass:"line-number"},[t._v("65")]),n("br"),n("span",{staticClass:"line-number"},[t._v("66")]),n("br"),n("span",{staticClass:"line-number"},[t._v("67")]),n("br"),n("span",{staticClass:"line-number"},[t._v("68")]),n("br"),n("span",{staticClass:"line-number"},[t._v("69")]),n("br"),n("span",{staticClass:"line-number"},[t._v("70")]),n("br"),n("span",{staticClass:"line-number"},[t._v("71")]),n("br"),n("span",{staticClass:"line-number"},[t._v("72")]),n("br"),n("span",{staticClass:"line-number"},[t._v("73")]),n("br"),n("span",{staticClass:"line-number"},[t._v("74")]),n("br"),n("span",{staticClass:"line-number"},[t._v("75")]),n("br"),n("span",{staticClass:"line-number"},[t._v("76")]),n("br"),n("span",{staticClass:"line-number"},[t._v("77")]),n("br"),n("span",{staticClass:"line-number"},[t._v("78")]),n("br"),n("span",{staticClass:"line-number"},[t._v("79")]),n("br"),n("span",{staticClass:"line-number"},[t._v("80")]),n("br"),n("span",{staticClass:"line-number"},[t._v("81")]),n("br"),n("span",{staticClass:"line-number"},[t._v("82")]),n("br"),n("span",{staticClass:"line-number"},[t._v("83")]),n("br"),n("span",{staticClass:"line-number"},[t._v("84")]),n("br"),n("span",{staticClass:"line-number"},[t._v("85")]),n("br"),n("span",{staticClass:"line-number"},[t._v("86")]),n("br"),n("span",{staticClass:"line-number"},[t._v("87")]),n("br"),n("span",{staticClass:"line-number"},[t._v("88")]),n("br"),n("span",{staticClass:"line-number"},[t._v("89")]),n("br"),n("span",{staticClass:"line-number"},[t._v("90")]),n("br"),n("span",{staticClass:"line-number"},[t._v("91")]),n("br"),n("span",{staticClass:"line-number"},[t._v("92")]),n("br"),n("span",{staticClass:"line-number"},[t._v("93")]),n("br"),n("span",{staticClass:"line-number"},[t._v("94")]),n("br"),n("span",{staticClass:"line-number"},[t._v("95")]),n("br"),n("span",{staticClass:"line-number"},[t._v("96")]),n("br"),n("span",{staticClass:"line-number"},[t._v("97")]),n("br"),n("span",{staticClass:"line-number"},[t._v("98")]),n("br"),n("span",{staticClass:"line-number"},[t._v("99")]),n("br"),n("span",{staticClass:"line-number"},[t._v("100")]),n("br"),n("span",{staticClass:"line-number"},[t._v("101")]),n("br"),n("span",{staticClass:"line-number"},[t._v("102")]),n("br"),n("span",{staticClass:"line-number"},[t._v("103")]),n("br"),n("span",{staticClass:"line-number"},[t._v("104")]),n("br"),n("span",{staticClass:"line-number"},[t._v("105")]),n("br"),n("span",{staticClass:"line-number"},[t._v("106")]),n("br"),n("span",{staticClass:"line-number"},[t._v("107")]),n("br"),n("span",{staticClass:"line-number"},[t._v("108")]),n("br"),n("span",{staticClass:"line-number"},[t._v("109")]),n("br"),n("span",{staticClass:"line-number"},[t._v("110")]),n("br"),n("span",{staticClass:"line-number"},[t._v("111")]),n("br"),n("span",{staticClass:"line-number"},[t._v("112")]),n("br"),n("span",{staticClass:"line-number"},[t._v("113")]),n("br"),n("span",{staticClass:"line-number"},[t._v("114")]),n("br"),n("span",{staticClass:"line-number"},[t._v("115")]),n("br"),n("span",{staticClass:"line-number"},[t._v("116")]),n("br"),n("span",{staticClass:"line-number"},[t._v("117")]),n("br"),n("span",{staticClass:"line-number"},[t._v("118")]),n("br"),n("span",{staticClass:"line-number"},[t._v("119")]),n("br"),n("span",{staticClass:"line-number"},[t._v("120")]),n("br"),n("span",{staticClass:"line-number"},[t._v("121")]),n("br"),n("span",{staticClass:"line-number"},[t._v("122")]),n("br"),n("span",{staticClass:"line-number"},[t._v("123")]),n("br"),n("span",{staticClass:"line-number"},[t._v("124")]),n("br"),n("span",{staticClass:"line-number"},[t._v("125")]),n("br"),n("span",{staticClass:"line-number"},[t._v("126")]),n("br"),n("span",{staticClass:"line-number"},[t._v("127")]),n("br"),n("span",{staticClass:"line-number"},[t._v("128")]),n("br"),n("span",{staticClass:"line-number"},[t._v("129")]),n("br"),n("span",{staticClass:"line-number"},[t._v("130")]),n("br"),n("span",{staticClass:"line-number"},[t._v("131")]),n("br"),n("span",{staticClass:"line-number"},[t._v("132")]),n("br"),n("span",{staticClass:"line-number"},[t._v("133")]),n("br"),n("span",{staticClass:"line-number"},[t._v("134")]),n("br"),n("span",{staticClass:"line-number"},[t._v("135")]),n("br"),n("span",{staticClass:"line-number"},[t._v("136")]),n("br"),n("span",{staticClass:"line-number"},[t._v("137")]),n("br"),n("span",{staticClass:"line-number"},[t._v("138")]),n("br"),n("span",{staticClass:"line-number"},[t._v("139")]),n("br"),n("span",{staticClass:"line-number"},[t._v("140")]),n("br"),n("span",{staticClass:"line-number"},[t._v("141")]),n("br"),n("span",{staticClass:"line-number"},[t._v("142")]),n("br")])])])}),[],!1,null,null,null);s.default=e.exports}}]);