It indexes the entire length(s) of the column(s) specified.
It's basically a Map<VarChar,long[]> where the long values are the row IDs. So yes, storage for that column would roughly double. On 2013-10-25 04:52, Brian Craft wrote:
How does varchar indexing work? Does it index the entire length of the column? And if so, does this mean the data size doubles?
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