| (window.webpackJsonp=window.webpackJsonp||[]).push([[671],{1067:function(t,s,a){"use strict";a.r(s);var n=a(29),r=Object(n.a)({},(function(){var t=this,s=t._self._c;return s("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[s("h2",{attrs:{id:"spark-iotdb"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#spark-iotdb"}},[t._v("#")]),t._v(" Spark-IoTDB")]),t._v(" "),s("h3",{attrs:{id:"版本"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#版本"}},[t._v("#")]),t._v(" 版本")]),t._v(" "),s("p",[t._v("Spark和Java所需的版本如下：")]),t._v(" "),s("table",[s("thead",[s("tr",[s("th",[t._v("Spark Version")]),t._v(" "),s("th",[t._v("Scala Version")]),t._v(" "),s("th",[t._v("Java Version")]),t._v(" "),s("th",[t._v("TsFile")])])]),t._v(" "),s("tbody",[s("tr",[s("td",[s("code",[t._v("2.4.5")])]),t._v(" "),s("td",[s("code",[t._v("2.12")])]),t._v(" "),s("td",[s("code",[t._v("1.8")])]),t._v(" "),s("td",[s("code",[t._v("0.12.0")])])])])]),t._v(" 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from root").\n option("lowerBound", [lower bound of time that you want query(include)]).option("upperBound", [upper bound of time that you want query(include)]).\n option("numPartition", [the partition number you want]).load\n\ndf.printSchema()\n\ndf.show()\n')])]),t._v(" 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"),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br"),s("span",{staticClass:"line-number"},[t._v("4")]),s("br")])]),s("ul",[s("li",[t._v("从窄到宽")])]),t._v(" "),s("div",{staticClass:"language- line-numbers-mode"},[s("pre",{pre:!0,attrs:{class:"language-text"}},[s("code",[t._v("import org.apache.iotdb.spark.db._\n\nval wide_df = Transformer.toWideForm(spark, narrow_df)\n")])]),t._v(" "),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br")])]),s("h4",{attrs:{id:"java用户指南"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#java用户指南"}},[t._v("#")]),t._v(" Java用户指南")]),t._v(" "),s("div",{staticClass:"language- 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