public static double unixTimestamp(@SqlType("varchar(x)") Slice datetime, @SqlType("varchar(y)") Slice formatString) { SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formatString.toStringUtf8()); simpl
at org.apache.hadoop.util.ProgramDriver.addClass(ProgramDriver.java:103) at org.apache.tez.examples.ExampleDriver.main(ExampleDriver.java:47) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.D...
Convert string to datetime, ISO 8601 timestamp format Format:yyyy-mm-dd'T'hh:mm:ss.SSS selectfrom_iso8601_timestamp('2009-10-30T17:59:55.047')frommytable-- 2009-10-30 17:59:55.047 UTC Convert string to date, custom format See all date specifiershere selectdate_parse('27/01/1990','...
cd /usr/local/hadoop/share/hadoop/mapreduce hadoop jar hadoop-mapreduce-examples-2.4.1.jar wordcount /a.txt /out 查看程序执行结果 这样就说明集群正常了。 通过浏览器访问集群的服务 由于在启动hadoop0这个容器的时候把50070和8088映射到宿主机的对应端口上了 所以在这可以直接通过宿主机访问容器中hadoop集群...
hadoop jar hadoop-mapreduce-examples-2.4.1.jar wordcount /a.txt /out 1. 2. 查看程序执行结果 这样就说明集群正常了。 通过浏览器访问集群的服务 由于在启动hadoop0这个容器的时候把50070和8088映射到宿主机的对应端口上了 所以在这可以直接通过宿主机访问容器中hadoop集群的服务 ...
Examples:IPPREFIX '10.0.1.0/24',IPPREFIX '2001:db8::/48' UUID UUID This type represents a UUID (Universally Unique IDentifier), also known as a GUID (Globally Unique IDentifier), using the format defined inRFC 4122. Example:UUID '12151fd2-7586-11e9-8f9e-2a86e4085a59' ...
executable jar which makes it easy for the user to run the tests. All you need to do is to make an executable jar is to add tempto-runner to dependencies and create a main class which will callTemptoRunner.runTempto(seetempto-examplesand its main classTemptoExamples.javafor an example...
从数据库提取出来的时间为 String 格式,现在需要转换为 date 并提取出里面的 小时 时间段: import java.text.SimpleDateFormat import java.util.Date import java.util.Calendar object test { def main(args: Array[String]): Unit = { val datees = "2017-04-14 07:29:03.0" val hour = tranfTimec#...
public class PrestoParserTest { public static void main(String[] args) { SqlParser parser = new SqlParser(); String sql = "select * from xyz where x=y group by x order by y limit 10"; Query query = (Query)parser.createStatement(sql); QuerySpecification body = (QuerySpecification)query...
To assign an already formatted json string to this property use FromString(String). Examples: BinaryData.FromObjectAsJson("foo"): Creates a payload of "foo". BinaryData.FromString("\"foo\""): Creates a payload of "foo". BinaryData.FromObjectAsJson(new { key = "value" }): Creates...