[GitHub] [calcite] danny0405 commented on a change in pull request #1768: [CALCITE-3704] Implement STRCMP function

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danny0405 commented on a change in pull request #1768: [CALCITE-3704] Implement STRCMP function
URL: https://github.com/apache/calcite/pull/1768#discussion_r376301607
 
 

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 File path: site/_docs/reference.md
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 @@ -2350,6 +2350,7 @@ semantics.
 | m o p | SOUNDEX(string)                            | Returns the phonetic representation of *string*; throws if *string* is encoded with multi-byte encoding such as UTF-8
 | m | SPACE(integer)                                 | Returns a string of *integer* spaces; returns an empty string if *integer* is less than 1
 | o | SUBSTR(string, position [, substringLength ]) | Returns a portion of *string*, beginning at character *position*, *substringLength* characters long. SUBSTR calculates lengths using characters as defined by the input character set
+| m | STRCMP(string, string)                         | Returns 0 if both of the strings are same and returns -1 when the first argument is smaller than the second according to the defined order and 1 when the second one is smaller the first one.
 
 Review comment:
   Is the `defined order` customizable ?

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