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Tag: hive

Hive – Merge rows with search term substrings

I got a search results log table with search terms in one of the columns. Since the search results are produced as the user types in the search terms, there are multiple rows for each search term with the partial string. For example, as the user types world the resulting rows in the table will be: Expected results: I’m using

left join in hive

would anyone kindly answer the question below? Is left join outer join or inner join in hive? (Do we need to type left “outer” join in order to do the outer join? or simply left join works as outer?) Answer Just like in most, if not all, databases, the outer word is optional in left [outer] join, while both syntaxs

Convert from lateral view to case statements in hive

I need to place below code in case statement: I have tried: But getting error. Answer For the provided SQL on table tab1, the actual logic is like: Explode field secondary.tertiary, alias it as lv, which results in a temporary result set (table) tab2; A join-like operation to concatenate tab2’s fields back to rows in tab1, resulting in another intermediate

Search for exact string value in JSON

I have a column stored in JSON that looks like column name: s2s_payload Values: I want to query exact values in the array rather than returning all values for a certain data type. I was using JSON_EXTRACT to get distinct counts. If I want to filter where “”eventtype””:””search”” how can I do this? I tried using CAST(s2s_payload AS CHAR) =

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