Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
149 views
in Technique[技术] by (71.8m points)

sql - How to extract table name from query on SPARKSQL

SELECT a.*
FROM schema.table1 a
LEFT JOIN ( 
    SELECT a*
    FROM schema.table1 a
    JOIN schema.table2 b 
    ON a.col1 = b.col1
    WHERE a.col1= <[Parameters].[Parameter 2]>
        AND b.col1>= 3
    UNION
        SELECT a*
    FROM schema.table3 a
    JOIN schema.table4 b 
    ON a.col1 = b.col1
    WHERE a.col1= <[Parameters].[Parameter 2]>
        AND b.col1>= 3
) comp ON a.col1= comp.col1

from this I want to extract schema.table1,schema.table2,schema.table3,schema.table4 what would be my query

question from:https://stackoverflow.com/questions/65882431/how-to-extract-table-name-from-query-on-sparksql

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)
Waitting for answers

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...