Caican Cai created CALCITE-6237: ----------------------------------- Summary: Using fractions in LOG function does not return correct results Key: CALCITE-6237 URL: https://issues.apache.org/jira/browse/CALCITE-6237 Project: Calcite Issue Type: Bug Components: core Affects Versions: 1.36.0 Reporter: Caican Cai Fix For: 1.37.0
{code:java} mysql> SELECT LOG10(2/3) AS result; +---------------------+ | result | +---------------------+ | -0.1760912594899757 | +---------------------+ 1 row in set (0.00 sec) mysql> SELECT LOG2(0) AS result; +--------+ | result | +--------+ | NULL | +--------+ 1 row in set, 1 warning (0.01 sec) mysql> SELECT LOG2(2/3) AS result; +---------------------+ | result | +---------------------+ | -0.5849625021638512 | +---------------------+ 1 row in set (0.00 sec) {code} When using Calcite's Log2 and Log10 functions, if the parameter is a fraction, the integer digits will be retained by default. I think this is wrong. Several decimal places (such as tens) should be retained by default. -- This message was sent by Atlassian Jira (v8.20.10#820010)