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authorrowanbeentje <rowan@beent.je>2009-10-10 00:06:52 +0000
committerrowanbeentje <rowan@beent.je>2009-10-10 00:06:52 +0000
commit0371f943f790d4c20ba5947a90db6cbe41669710 (patch)
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Improve handling of NULL and "(not loaded)" placeholders:
- Rewrite TableContent and CustomQuery to store NSNull and SPNotLoaded objects in the data arrays where appropriate, rather than providing string conversion on data load. Faster, simpler comparisons and processing code, slightly lower memory usage, and reduces the chance of bugs caused by inadvertantly processing the string values; we can now also distinguish easily between NULL and "NULL" etc, and further paves the ground for image representations of special values. - Fix a bug caused by consistent value reloading when editing BLOB/TEXT columns with deferred loading - if editing a row and revisiting an edited cell, the original value was restored; the original value is now only loaded once. This addresses the rest of Issue #423.
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