turb commented on a change in pull request #14338:
URL: https://github.com/apache/beam/pull/14338#discussion_r602440411
##########
File path:
sdks/java/io/jdbc/src/main/java/org/apache/beam/sdk/io/jdbc/JdbcIO.java
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@@ -903,6 +903,8 @@ public void processElement(ProcessContext context) throws
Exception {
if (connection == null) {
connection = dataSource.getConnection();
}
+ // PostgreSQL requires autocommit to be disabled to enable cursor
streaming
Review comment:
If I have an idea on how the parameter can be specified, it will be
additional work yes, but I can spend some reasonable time on it.
However, I am inclined to invoke YAGNI principle: once this parameter is
needed (and I can't determine how someone would need autocommit while reading),
the way to parameterize it and to take it into account in `JdbcIO` will appear
more clearly.
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