sunjincheng created FLINK-6891: ---------------------------------- Summary: Add LOG supported in SQL Key: FLINK-6891 URL: https://issues.apache.org/jira/browse/FLINK-6891 Project: Flink Issue Type: Sub-task Components: Table API & SQL Affects Versions: 1.4.0 Reporter: sunjincheng
LONG (N) A single parameter version of the function returns the natural logarithm of N, and if two arguments are called, it returns any radix of the logarithm of N. * Syntax: LOG ( float_expression [, base ] ) * Arguments **float_expression: Is an expression of type float or of a type that can be implicitly converted to float. **base: Optional integer argument that sets the base for the logarithm. * Return Types float * Example: LOG(10) -> 2.30 *See more: **[MSQL|https://docs.microsoft.com/en-us/sql/t-sql/functions/log-transact-sql] **[MySQL| https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_log] -- This message was sent by Atlassian JIRA (v6.4.14#64029)