Brilliant. May I ping you for more information? I'm tightly coupled to my current toolchain but will use this for reference.
Russ On Wed, Oct 4, 2017 at 9:21 AM, Леонид Юрьев <[email protected]> wrote: > take a look at https://github.com/PositiveTechnologies/libfpta > > regads. > > > 2017-10-04 9:20 GMT+03:00 Russell Haley <[email protected]>: >> On Tue, Oct 3, 2017 at 11:19 PM, Russell Haley <[email protected]> wrote: >>> Hi, >>> >>> So I'm using LMDB to create a simple 'database' system for lua that >>> will allow me to directly serialize and store lua table data. So far I >>> have used the wonderful lmdb wrapper lightningmdb and created a simple >>> API to hide some of the mechanisms. >>> >>> Honestly, your API is so well thought out, I'm doing a disservice by >>> removing a lot of the powerful features. However, I press ahead and >>> beg forgiveness. :) >>> >>> I have two questions: >>> >>> 1) There is a simplified vs cursor API. I am starting to suspect that >>> the simplified functions are just basic wrappers around the cursor >>> API? I ask because if this is the case, I could just remove my support >>> for the simplified API and only have to support one set of functions. >>> >>> 2) The key lookup is blazing fast (so awesome, this thing is going to >>> smoke!). I wanted to create a way of indexing the data elements within >>> the database by allowing users to create lua functions that parse the >>> lua table values. >>> --a basic table that would be serialized into a lmdb database called t1 >>> t1 = { >>> 1={col_a="test",col_b="item1"}, >>> 2={col_a="not-a-test",col_b="item2"}, >>> 3={col_a="test",col_b="item3"} >>> } >>> >>> --The function that would be called per-row to create an index. >>> local function(k,v) >>> >>> return v.col_a, k >>> end >>> >>> The idea would be to use the dupsort feature to create an 'index' >>> database with data structured as: >>> >>> not-a-test, 2 >>> test, 1 >>> test, 3 >> >> Sorry, hit send in gmail by accident. Anyway, the idea is to use the >> dupsort feature to create indexes. Is this feasible? Any input or >> direction would be fantastic. >> >> Thanks! >> Russ >>
