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TANG Wen-hui commented on CALCITE-2460: --------------------------------------- [~julianhyde] Thanks for your review. And I might not have the right to change the JIRA case tittle since it was not reported by me. As for TO_BASE64, Mysql specifies that "Converts the string argument to base-64 encoded form and returns the result as a character string with the connection character set and collation. " [https://dev.mysql.com/doc/refman/8.0/en/string-functions.html#function_to-base64.] Is it must to change its argument to BINARY or VARBINARY? > Add implementation of To_Base64 to SqlFunctions > ----------------------------------------------- > > Key: CALCITE-2460 > URL: https://issues.apache.org/jira/browse/CALCITE-2460 > Project: Calcite > Issue Type: Improvement > Reporter: vinoyang > Priority: Minor > Labels: pull-request-available > Time Spent: 2h 50m > Remaining Estimate: 0h > > refer to mysql TO_BASE64 function : > [https://dev.mysql.com/doc/refman/5.6/en/string-functions.html#function_to-base64] -- This message was sent by Atlassian JIRA (v7.6.3#76005)