Monet way of handling string columns
18 Jan
2016
18 Jan
'16
11:46 a.m.
Hello,
I have recently started looking into Monetdb and want to contribute to it. My complete focus is on string columns as numeric data can already be processed with maximum speed.
I know it uses BATs to store every single column, but I read some where that it uses dictionary for string columns. How is it actually using dictionary? And are there any other special handling techniques for strings?
When a query like 'contains' comes, how will monet handle that? I found there is no inverted index in monet to deal queries like this. (Please tell a rough model of how query execution is done incase of string columns)
Hope this forum gives me some insight of what's happening during string column processing.
Thanks in advance, -Mitra
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bhuvan Mitra