Details
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Type:
Bug
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Status: Closed
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Priority:
Minor
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Resolution: Fixed
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Affects Version/s: 6.2
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Fix Version/s: 6.3, master (7.0)
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Component/s: contrib - DataImportHandler
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Security Level: Public (Default Security Level. Issues are Public)
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Labels:None
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Flags:Patch
Description
The DIH TemplateTransformer does not support multiple templates with the same column name. Rather than creating a List of values as it should do in this case, the value of the last <field> tag with the same column name replaces the values of previous transforms for that column. The reason is that it uses a single HashMap to store the transformations with a key on column name. The fix is to detect if a column has previously been transformed within the same field set and to create a List<Object> for that column when this occurrs.
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Commit 65439e261e49484edc474fd56bf4a67cf70ed038 in lucene-solr's branch refs/heads/master from Noble Paul
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=65439e2 ]
SOLR-9558: DIH TemplateTransformerto to support multivalued fields
Commit 20c3c86475f372c1183acab55599972ff7c6916f in lucene-solr's branch refs/heads/branch_6x from Noble Paul
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=20c3c86 ]
SOLR-9558: DIH TemplateTransformerto to support multivalued fields
Closing after 6.3.0 release.
So you want to transform the same column by multiple (different) templates to create a multi-valued field with each value being the output of an individual template?