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Is there a way to get all the types of string cases while doing this:
select count(word) from table where word="abcd"
Actually when doing this, it is not the same as this:
select count(word) from table where word="ABCD"
Ignoring the case in a where clause is very simple. You can, for example, convert both sides of the comparison to all caps notation:
SELECT COUNT(word) FROM table WHERE UPPER(word)=UPPER('ABCD')
Regardless of the capitalization used for the search term , the UPPER function makes them match as desired.
Hive query string case, hive case when like hive coalesce hive percentile extract string in hive nested case statement in hive trim spaces in hive query locate function in hive is hive A CASE expression returns a value from the THEN portion of the clause. You could use it thusly:[crayon-5eeda9cd4648a930497720/]Note that you need to do something with the returned value, e.g. compa…
select count(word) from table where lower(word)="abcd"
However this assumes it's not a partitioned table. If it's partitioned by word you would start doing a full table scan because of the "lower("
Hive case insensitive like, Is there exists any configuration parameters for case-insensitve queries in impala. HiveQL is Hive's query language, a dialect of SQL. addImage(string which The LOWER or LCASE function converts the string into lower case letters. Example: LOWER('HiVe') returns 'hive' LPAD( string str, int len, string pad ) The LPAD function returns the string with a length of len characters left-padded with pad. Example: LPAD('hive',6,'v') returns 'vvhive' LTRIM( string str ) The LTRIM function removes all the trailing spaces from the string. Example: LTRIM(' hive') returns 'hive' REPEAT( string str, int n )
SELECT count(word) FROM table WHERE word RLIKE "(?i)WOrd1|wOrd2"
Hive String Functions and Examples, These functions returns the string resulting from converting all characters of A to upper case string. hive> select upper('hadoop'), ucase('hadoop'); Apache Hive String Functions and Examples; Hive LIKE Statement Patterns Matching. If the string does not contain any percentage sign or underscore, then pattern is the string itself, in this case LIKE acts as an equality operator. ‘abc’ LIKE ‘abc’ -> True : Equality operation’abc’ LIKE ‘a%’ -> True : Pattern matching.
Apache Hive LIKE statement and Pattern Matching Example , Hive SQL LIKE statement, Hive LIKE operator CASE sensitive, Hive Create table LIKE statement, Hive SQL LIKE Apache Hive LIKE statements returns TRUE if string that you are searching for. hive> select 'abc' LIKE 'abc';. The example of int to string conversion. Similarly, if you have to convert int or numeric values to string, you may use the CAST and CONVERT functions for that. See the examples below; first simple queries without the table and then inserting the records. Int to string conversion by CAST example. The CAST query for conversion:
Case insensitive SQL SELECT query examples, Case insensitive SQL SELECT query FAQ: How do I issue SQL SELECT queries while ignoring case (ignoring whether a string is uppercase or mask(string str[, string upper[, string lower[, string number]]]) Returns a masked version of str (as of Hive 2.1.0 ). By default, upper case letters are converted to "X", lower case letters are converted to "x" and numbers are converted to "n".
String Functions in Hive, The LOWER or LCASE function converts the string into lower case letters. Example: LOWER('HiVe') returns 'hive' LPAD( string str, int len, string A SELECT statement can be part of a union query or a subquery of another query. table_reference indicates the input to the query. It can be a regular table, a view, a join construct or a subquery. Table names and column names are case insensitive. In Hive 0.12 and earlier, only alphanumeric and underscore characters are allowed in table and column names.