spark.sql('SELECT count("优秀") FROM sql WHERE score >= 90').show() spark.sql('SELECT count("良好") FROM sql WHERE score >= 75 AND score < 90').show() spark.sql('SELECT count("通过") FROM sql WHERE score >= 60 AND score < 75').show() spark.sql('SELECT count("不及格")...
from pyspark.sql import SparkSession from pyspark.sql.functions import explode from pyspark.sql.functions import split from pyspark.sql.functions import col from pyspark.sql.functions import explode_outer from pyspark.sql import functions as F import sys sys.path.append("/usr/local/spark/spark-3.0....
res9: Array[org.apache.spark.sql.Row] = Array([1,01,110000,北京市], [2,01,120000,天津市], [3,01,130000,河北省], [4,01,140000,山西省], [5,01,150000,内蒙古自治区], [6,01,210000,辽宁省], [7,01,220000,吉林省], [8,01,230000,黑龙江省], [9,01,310000,上海市], [10,01...
spark.sql("CREATE TABLE IF NOT EXISTS soyo1(key INT,value STRING)") spark.sql("LOAD DATA LOCAL INPATH 'file:///home/soyo/桌面/spark编程测试数据/kv1.txt' INTO TABLE soyo1") spark.sql("select * from soyo").show()//默认只取前20行spark.sql("select * from soyo").take(100).foreac...
#only showing top 2 rows 5. Display Contents Vertically Finally, let’s see how to display the DataFrame vertically record by record. # Display DataFrame rows & columns vertically df.show(n=3,truncate=25,vertical=True) #-RECORD 0--- # Seqno | 1 # Quote | Be the...
(split(col("friends")," "))).show(5)+---+---+| user| friends|+---+---+|3197468391|1346449342||3197468391|3873244116||3197468391|4226080662||3197468391|1222907620||3197468391| 547730952|+---+---+only showing top 5 rows 最后附上dataframe的一些操作及用法: DataFrame 的函数 Action 操作...
only showing top 20 rows scala> Creating an uber jar Gathering all dependencies manually maybe a tiresome task. A better approach would be to create a jar file that contains all required dependencies (an uber jar aka fat jar). Creating an uber jar for Cobrix is very easy. Steps to build...
InvalidParameter.InvalidSQLTaskMaxResults单次获取SQL任务结果数量需大于0条,小于1000条 InvalidParameter.InvalidTaskId无效的taskid。 InvalidParameter.MaxResultOnlySupportHundred您当前仅允许查看100条结果数据,若需调整,请与我们联系 上一篇: 查看任务概览页下一篇: 在session中执行代码片段 ...
count(DISTINCTExpression 1[,Expression2]): Returns the number of rows with different non-null expression values. You can use the statement inSpark SQLto obtain the number of unique non-null values of theShip Cityfield, as shown in the following figure. ...
{"Response":{"Tasks":{"DatabaseName":"abc","DataAmount":0,"Id":"abc","UsedTime":0,"OutputPath":"abc","CreateTime":"abc","State":0,"SQLType":"abc","SQL":"abc","ResultExpired":true,"RowAffectInfo":"abc","DataSet":"abc","Error":"abc","Percentage":0,"OutputMessage":"abc...