View Revisions: Issue #6616
| Summary | 0006616: Save column references as numeric values for faster look-up in AbstractDatabaseWriter.getRowData() | ||
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| Revision | 2024-10-11 16:06 by pbelov | ||
| Additional Information | Given: S = number of columns in the source table, T = number of columns in the target table, N = number of rows in the data load batch, Current algorithm cost is: O( S * T * N) Proposed algorithm cost is: O( S * T ) + O( N ); For large N this cost growth is linear |
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| Revision | 2024-10-11 12:54 by pbelov | ||
| Additional Information | Given: S = number of columns in the source table, T = number of columns in the target table, N = number of rows in the data load batch, Current algorithm cost is: O( S * T * N) Proposed algorithm cost is: O( S * T ) + O( N ) |
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