代码语言:txt 复制 CREATE FUNCTION dbo.SplitStringToColumns ( @inputString VARCHAR(MAX), @delimiter CHAR(1) ) RETURNS @outputTable TABLE (value VARCHAR(MAX)) AS BEGIN DECLARE @startPos INT, @endPos INT SET @startPos = 1 SET @endPos = CHARINDEX(@delimiter, @inputString) WHILE @endPos > 0...
下面是一个自定义函数fn_SplitStringToTable的示例代码: CREATEFUNCTIONfn_SplitStringToTable(@strVARCHAR(MAX),@delimiterCHAR(1))RETURNS@resultTABLE(valueVARCHAR(100))ASBEGINDECLARE@posINTWHILECHARINDEX(@delimiter,@str)>0BEGINSELECT@pos=CHARINDEX(@delimiter,@str)INSERTINTO@result(value)VALUES(SUBSTRING(@s...
insert into test1 values('I am ','split by ','these three columns.') insert into test1 values('Could you ','please change me to be',' a full sentence?') 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 执行语句后,数据表中的数据如下: 任务:将c1,c2,c3这三列链接起来,可以通过...
This example uses theVARIABLE_COLUMN_LOG_PARSEfunction to manipulate strings in Kinesis Data Analytics.VARIABLE_COLUMN_LOG_PARSEsplits an input string into fields separated by a delimiter character or a delimiter string. For more information, seeVARIABLE_COLUMN_LOG_PARSEin theAmazon Managed S...
hh_teachr_price replace columns (teacherid string, task_type string); -- 删除price -- 修改列名 alter table temp.hh_teachr_price CHANGE COLUMN task_type task_type_new string comment '任务特征'; -- 修改注释 alter table temp.hh_teachr_price CHANGE COLUMN task_type task_type string comment...
將結構陣列分解成數據表。 在Databricks SQL 和 Databricks Runtime 16.1 和更新版本中,此函式支援具名參數調用。 語法 inline(input) 引數 inputARRAY<STRUCT>:表達式。 傳回 一組由陣列input的結構元素中的欄位組成的資料列。inline所產生的數據行是欄位的名稱。
{id:203248}, max_dependency_version:-1, object_status:1, is_force_view:false, truncate_version:-1}, max_used_column_id:18, sess_active_time:0, rowkey_column_num:1, index_column_num:0, rowkey_split_pos:0, block_size:16384, is_use_bloomfilter:false, progressive_merge_num:0, tablet...
SplitsstringbyentryDelimiterandkeyValueDelimiterand returns a map.entryDelimitersplitsstringinto key-value pairs.keyValueDelimitersplits each pair into key and value. 函数通过使用entryDelimiter将字符串参数分割,将字符串拆成包含键值对的字符串,然后使用keyValueDelimiter将这些字符串拆成键和值,其结果是一个...
publicstaticvoidmain(String[] args) throws JSQLParserException {Stringsql ="SELECT name,SUM(CASE WHEN sb.sblb = '1' THEN 1 ELSE 0 END) AS 待验证, SUM(CASE WHEN sb.sblb = '2' THEN 1 ELSE 0 END) AS 通过,SUM(CASE WHEN sb.sblb = '3' THEN 1 ELSE 0 END) AS 失效 FROM SBMP...
# Split the clause column into a column called wordssplit_df=clauses_df.select(split('clause',' ').alias('words'))#alias就是名字的缩写split_df.show(5,truncate=False)# Explode the words column into a column called wordexploded_df=split_df.select(explode('words').alias('word'))#explode...