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authorrowanbeentje <rowan@beent.je>2009-09-28 00:43:41 +0000
committerrowanbeentje <rowan@beent.je>2009-09-28 00:43:41 +0000
commitcc0c0a7842e3bff325fa29c71f5115361981797d (patch)
tree8c101a961ba86f1f04ddbba00ce76963d9c4f3e3 /Resources
parent2183eeefefb81846c2cc2c6b4bf68b12167f2b24 (diff)
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Rewrite CSV import:
- Replace the CSV parsing function (arrayForCSV:) with a new SPCSVParser class - Make speed improvements to SPCSVParser to achieve 1.9x faster parsing than the old arrayForCSV: function - Rewrite CSV imports to be performed as a streaming import, keeping memory usage much much lower - CSV field mapping preview is now shown very early on in the import process, as soon as the first hundred rwos are available for a preview - Progress bars are more consistent and accurate - CSV rows are grouped into batches of up to 50 (depending on line length) for import, falling back to one-query-per-row if errors occur. The current error reporting level is therefore maintained, but imports of non-erroring data are much much faster. - Improve processing speed slightly - Fix some odd edge cases in CSV parsing This addresses issue #389.
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