[WAYANG-55] Refactor TableSource to support column projection.#721
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tanyarai5446 wants to merge 2 commits intoapache:mainfrom
Open
[WAYANG-55] Refactor TableSource to support column projection.#721tanyarai5446 wants to merge 2 commits intoapache:mainfrom
tanyarai5446 wants to merge 2 commits intoapache:mainfrom
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Currently, JdbcTableSource and other SQL-based operators cannot perform column projection because the parent TableSource class does not persist the columnNames array passed in the constructor.
Changes:
Updated JdbcTableSource to utilize these names in createSqlClause for more efficient SQL generation (moving from SELECT * to SELECT col1, col2...).
Testing: