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    6996bd2e
    [SPARK-8264][SQL]add substring_index function · 6996bd2e
    zhichao.li authored
    This PR is based on #7533 , thanks to zhichao-li
    
    Closes #7533
    
    Author: zhichao.li <zhichao.li@intel.com>
    Author: Davies Liu <davies@databricks.com>
    
    Closes #7843 from davies/str_index and squashes the following commits:
    
    391347b [Davies Liu] add python api
    3ce7802 [Davies Liu] fix substringIndex
    f2d29a1 [Davies Liu] Merge branch 'master' of github.com:apache/spark into str_index
    515519b [zhichao.li] add foldable and remove null checking
    9546991 [zhichao.li] scala style
    67c253a [zhichao.li] hide some apis and clean code
    b19b013 [zhichao.li] add codegen and clean code
    ac863e9 [zhichao.li] reduce the calling of numChars
    12e108f [zhichao.li] refine unittest
    d92951b [zhichao.li] add lastIndexOf
    52d7b03 [zhichao.li] add substring_index function
    6996bd2e
    History
    [SPARK-8264][SQL]add substring_index function
    zhichao.li authored
    This PR is based on #7533 , thanks to zhichao-li
    
    Closes #7533
    
    Author: zhichao.li <zhichao.li@intel.com>
    Author: Davies Liu <davies@databricks.com>
    
    Closes #7843 from davies/str_index and squashes the following commits:
    
    391347b [Davies Liu] add python api
    3ce7802 [Davies Liu] fix substringIndex
    f2d29a1 [Davies Liu] Merge branch 'master' of github.com:apache/spark into str_index
    515519b [zhichao.li] add foldable and remove null checking
    9546991 [zhichao.li] scala style
    67c253a [zhichao.li] hide some apis and clean code
    b19b013 [zhichao.li] add codegen and clean code
    ac863e9 [zhichao.li] reduce the calling of numChars
    12e108f [zhichao.li] refine unittest
    d92951b [zhichao.li] add lastIndexOf
    52d7b03 [zhichao.li] add substring_index function