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Leonard Xu commented on FLINK-35985: ------------------------------------ +1, assigned to you [~MOBIN] > SUBSTRING function not available in transform rules > --------------------------------------------------- > > Key: FLINK-35985 > URL: https://issues.apache.org/jira/browse/FLINK-35985 > Project: Flink > Issue Type: Bug > Components: Flink CDC > Reporter: yux > Assignee: MOBIN > Priority: Major > > Currently, one could not write `SUBSTRING(str FROM idx FOR len)` in the way > that suggested in the doumentations[1], while the workable function, > `SUBSTR(str, idx, len)`, isn't mentioned anywhere. > Either the code or the docs needs update to avoid confusing users. > [1] > https://nightlies.apache.org/flink/flink-cdc-docs-release-3.1/docs/core-concept/transform/ -- This message was sent by Atlassian Jira (v8.20.10#820010)