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gerhard | Hi all | 01:06 |
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Dejan | good morning everybody | 01:15 |
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gerhard | Morning Dejan | 01:19 |
Dejan | morning PaulM05 | 01:19 |
PaulM05 | morning Dejan | 01:20 |
Alex| | http://www.flickr.com/photos/prozac74/4530623061/ | 01:38 |
PaulM05 | :) | 01:44 |
Dejan | "If you fire x% of your staff to realize y% productivity gains, then firing all your staff should give you infinite productivity assuming geometrically progressive rising gains..." | 01:44 |
Dejan | this comment was the best | 01:45 |
Alex| | don't tell that your management :) | 01:52 |
Dejan | Do not worry, i will not give them idea | 01:59 |
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Dejan | wb grant | 02:05 |
grantc_away | hi Dejan | 02:05 |
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PaulM05 | morningr grantc | 02:05 |
grantc | morning PaulM05 | 02:05 |
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Dejan | guys, do i have to re-create table if i want to change to NODUPLICATES ? | 08:36 |
PaulM05 | no just re-modify | 08:37 |
PaulM05 | assuming that you're removed duplicates of course ;) | 08:37 |
Dejan | what i get is: E_PS0BC6 MODIFY: Line 1, duplicates is not a valid option for WITH clause. | 08:38 |
Dejan | modify tablename to reconstruct with duplicates;\g | 08:39 |
Dejan | that is what i tried | 08:39 |
Dejan | also modify tablename to hash on column with duplicates;\g | 08:39 |
Dejan | same error | 08:39 |
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PaulM05 | looks like you do need to re-create the table | 08:57 |
Dejan | yep | 09:03 |
Dejan | that is why i asked if i have to re-create it | 09:03 |
PaulM05 | well I thought you could do it with a modify but I was wrong | 09:04 |
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Dejan | i need to change couple of hundreds of tables... | 09:10 |
Dejan | from DUPLICATES to NODUPLICATES... | 09:10 |
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PaulM05 | [NO]DUPLICATES applies across the whole row - it might be easier to make the table structure unique on whatever key | 09:14 |
Dejan | what you mean by "applies across the whole row" ? | 09:16 |
PaulM05 | I mean that creating a table with NODUPLICATES means the entire row must be unique. | 09:18 |
PaulM05 | as opposed to say BTREE UNIQUE on col1,col2 etc | 09:18 |
PaulM05 | but a unique key implies you can't have a duplicate row | 09:19 |
Dejan | aha, the point is - they made many tables without any keys... | 09:19 |
Dejan | but some of those tables must be NODUPLICATE | 09:20 |
Dejan | because we should not allow duplicate rows in them | 09:20 |
Dejan | and they do not have duplicates | 09:20 |
Dejan | it is a legacy databases I want to ... "fix" | 09:20 |
Dejan | simply by doing simple modifications | 09:21 |
PaulM05 | well you'll need a key to enforce the uniqueness - a heap table always allows duplicates | 09:21 |
Dejan | yeah, i read about that | 09:21 |
PaulM05 | anyway - I'm away home - bye | 09:41 |
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withdefault | part time to go home | 12:05 |
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