[enhancement](jdbc catalog) Add lowercase column name mapping to Jdbc data source & optimize database and table mapping #27283
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… data source & optimize database and table mapping (apache#27124) This PR adds the processing of lowercase Column names in Oracle Jdbc Catalog. In the previous behavior, we changed all Oracle columns to uppercase queries by default, but could not handle the lowercase case. This PR can solve this situation and improve All Jdbc Catalog works
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run buildall |
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(From new machine)TeamCity pipeline, clickbench performance test result: |
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Reunify Jdbc Catalog case-sensitive behavior, so close this PR |
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Proposed changes
Issue Number: close #xxx
from master #27124 #27280
This PR adds the processing of lowercase Column names in Oracle Jdbc Catalog. In the previous behavior, we changed all Oracle columns to uppercase queries by default, but could not handle the lowercase case. This PR can solve this situation and improve All Jdbc Catalog works
Further comments
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