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Posted to issues@nifi.apache.org by "David Handermann (Jira)" <ji...@apache.org> on 2022/11/28 18:55:00 UTC
[jira] [Updated] (NIFI-7190) CaptureChangeMySQL processor doesn't emit DDL events if SQL statement begins with a comment
[ https://issues.apache.org/jira/browse/NIFI-7190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Handermann updated NIFI-7190:
-----------------------------------
Fix Version/s: 1.20.0
Resolution: Fixed
Status: Resolved (was: Patch Available)
> CaptureChangeMySQL processor doesn't emit DDL events if SQL statement begins with a comment
> -------------------------------------------------------------------------------------------
>
> Key: NIFI-7190
> URL: https://issues.apache.org/jira/browse/NIFI-7190
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.11.2
> Reporter: Przemyslaw Dubaniewicz
> Assignee: Makarov Vasiliy Nicolaevich
> Priority: Minor
> Fix For: 1.20.0
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> The existing check for DDL Events doesn't take into account SQL statements that begin with a comment, in file: _nifi/nifi-nar-bundles/nifi-cdc/nifi-cdc-mysql-bundle/nifi-cdc-mysql-processors/src/main/java/org/apache/nifi/cdc/mysql/processors/CaptureChangeMySQL.java:821_
> {code:java}
> // Check for DDL events (alter table, e.g.). Normalize the query to do string matching on the type of change
> String normalizedQuery = sql.toLowerCase().trim().replaceAll(" {2,}", " ");
> if (normalizedQuery.startsWith("alter table")
> || normalizedQuery.startsWith("alter ignore table")
> || normalizedQuery.startsWith("create table")
> || normalizedQuery.startsWith("truncate table")
> || normalizedQuery.startsWith("rename table")
> || normalizedQuery.startsWith("drop table")
> || normalizedQuery.startsWith("drop database")) {code}
> SQL commands such as:
> {code:sql}
> /* ApplicationName=DataGrip 2019.2.4 */ alter table test_table
> drop column test_column
> {code}
> won't evaluate to true.
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