For loop in hive
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For loop in hive
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WebUse initialization script hive ‐i initialize.sql Run non-interactive script hive ‐f script.sql Hive Shell Function Hive Run script inside shell source file_name Run ls (dfs) commands dfs –ls /user Run ls (bash command) from shell !ls Set configuration variables set mapred.reduce.tasks=32 TAB auto completion set hive. WebApr 5, 2024 · for The for statement creates a loop that consists of three optional expressions, enclosed in parentheses and separated by semicolons, followed by a statement (usually a block statement) to be executed in the loop. Try it Syntax for (initialization; condition; afterthought) statement initialization Optional
WebApr 10, 2024 · 1 Answer Sorted by: 0 SQL is a different sort of language, it doesn't have that sort of looping/iterative capability. Treating data as blocks and your query acting over every record at the same time is a good approach conceptually. If you haven't used it before it worthwhile knowing a bit about set logic Share Improve this answer Follow WebMar 4, 2024 · In C, the for loop can have multiple expressions separated by commas in each part. For example: for (x = 0, y = num; x < y; i++, y--) { statements; } Also, we can skip the initial value expression, condition …
WebMar 9, 2024 · 1 You need to replace for Tab in "$DB" with for Tab in $ (hive -e "use $DB;show tables;") It should work. Share Improve this answer Follow answered Mar 9 at 16:02 AVTUNEY 495 4 9 Add a comment 0 for Tab in "$DB" it is Tab is one of DB, the table does not exist in database. Share Improve this answer Follow answered Mar 9 at 9:43 …
WebMar 4, 2024 · For and While Loops in DAX. One of the first things that befuddles people that know other coding languages when learning DAX is the absence of constructs for …
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