[jira] [Created] (CALCITE-5826) Add FIND_IN_SET function (enabled in Hive and Spark library)

["Runkang He (Jira)" <ji...@apache.org>]

Runkang He created CALCITE-5826:
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             Summary: Add FIND_IN_SET function (enabled in Hive and Spark library)
                 Key: CALCITE-5826
                 URL: https://issues.apache.org/jira/browse/CALCITE-5826
             Project: Calcite
          Issue Type: New Feature
          Components: core
    Affects Versions: 1.34.0
            Reporter: Runkang He


Add FIND_IN_SET function (enabled in Hive and Spark library):
 
FIND_IN_SET(str, str_array) - find_in_set(str, str_array) - Returns the index (1-based) of the given string ({{{}str{}}}) in the comma-delimited list ({{{}str_array{}}}). Returns 0, if the string was not found or if the given string ({{{}str{}}}) contains a comma.
 
See more details in [Hive|https://cwiki.apache.org/confluence/display/hive/languagemanual+udf#LanguageManualUDF-StringFunctions] and [Spark|https://spark.apache.org/docs/latest/api/sql/index.html#find_in_set] doc.



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