photon8231 opened a new issue, #33298:
URL: https://github.com/apache/shardingsphere/issues/33298
## Feature Request
### Is your feature request related to a problem?
I want to speed up the transport speed when I using the migraion feature.
### Describe the feature you would like.
shardingsphere cannot split the records when the primay key is string. It
just one task to execute dump.
if (PipelineJdbcUtils.isStringColumn(firstColumnDataType)) {
// TODO Support string unique key table splitting. Ascii
characters ordering are different in different versions of databases.
return Collections.singleton(new
StringPrimaryKeyIngestPosition(null, null));
}
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