If I was doing that I would auto assign an integer primary key, but if that's more work you could use the created timestamp.
On Thu, Apr 30, 2020 at 8:40 AM ludwa6 <wludw...@gmail.com> wrote: > Arlen: storage in a RDBMS (requirement for this application i want to > develop[1]) requires a Primary Key that is both guaranteed unique AND > cannot be changed -but tiddler Title *can* be changed, so that is not a > good candidate, seems to me. The one element of this schema that appears > immutable to me is that "created" date/time stamp, which has 3 digits > beyond minutes (thousandths of a minute, perhaps?), so that is fine-grained > enough to guarantee uniqueness, i guess. > > [1] To explain: i need RDBMS storage for this particular application > because i need to correlate tiddlers with records in other tables of the > database that they are meant to document, or otherwise extend. This RDBMS > lies at the heart of a gateway that facilitates data I/O with a set remote > nodes for sensing & control of farm operations -initially a > climate-controlled greenhouse. The data flowing between nodes in this > environment is structured as a rule, such that humans cannot mess with it. > Yet it is precisely those "messy" human inputs -e.g. observations, photos, > links, questions, etc.- that i aim to capture thru TiddlyWiki. The real > power of this application will lie in its ability to corrrelate machine > data with user-generated data... And for that, i need both to be stored in > RDBMS (just in case you were wondering why :-) > > > On Thursday, April 30, 2020 at 12:23:00 PM UTC+1, Arlen Beiler wrote: >> >> Those last lines are a mystery to me. I've never seen them before. I'll >> check make sure I'm not missing anything. >> >> The tiddler title is the primary key in Tiddly wiki. I don't really think >> you would need to store it anywhere else though. >> >> Everything is in flux right now, but hopefully we'll have it mailed down >> soon and then I'll be able to better recommend how to use a database with >> this. But it certainly isn't required. >> >> On Thu, Apr 30, 2020, 06:42 ludwa6 <wlud...@gmail.com> wrote: >> >>> Arlen: Putting your earlier instructions together with Mark's >>> declaration of listener port, i *think* i've got he server running on my Pi >>> server... But in fact i'm still confused about this. >>> >>> The UI looks & seems to be performing pretty much like TiddlyWiki >>> single-file version, except that default "Getting Started" tiddler asked me >>> to make & save one, & confirm that it worked... So i did, and now i see it >>> in the file system, inside 'MyNewWikiFolder/tiddlers/ , along with >>> $_StoryList.tid . I then created a 2nd tiddler, which appeared as a 2nd >>> file in the same directory... So can i safely presume i've got tiddly >>> server working as it should? >>> >>> Now looking at the schema of these files, it seems pretty simple, i.e.: >>> >>> - created: (date/time stamp in yyyymmddhhmm format, followed by a >>> 3-digit numeric) >>> - modified: (same format as above) >>> - tags: (if any, a horizontal list) >>> - title: (as declared) >>> - type: text/vnd.tiddlywiki >>> - (single line space, followed by... >>> - (full text of tiddler, followed by... >>> - (some 16 lines, blank except for '~' as initial character... >>> - <ikiFolder/tiddlers/(TitleOfTiddler).tid >>> - [noeol] 7L, 132C 7,23 ALL >>> >>> That last line is most mysterious to me, as i don't know what those >>> codes refer to, nor why there's so many spaces preceding the last 2 >>> strings. >>> >>> Best candidate for Primary Key here, as far as i can see, would be the >>> first attribute -the "created" date/time stamp- but i don't know how to >>> turn these files into rows in the SQLite database where i want to store the >>> data. From what Tony said, i gather it would involve building a sync module >>> of some sort, but i have no idea how that might be done. Any prior art, or >>> ideas about this? >>> >>> >>> >>> On Wednesday, April 29, 2020 at 7:00:25 PM UTC+1, Arlen Beiler wrote: >>>> >>>> Sorry, what I said was for tiddly server. What mark said is for tiddly >>>> wiki. >>>> >>>> On Wed, Apr 29, 2020, 13:56 'Mark S.' via TiddlyWiki < >>>> tiddl...@googlegroups.com> wrote: >>>> >>>>> >>>>> The listen command can take a port number. Like >>>>> >>>>> --listen port=8090 >>>>> >>>>> >>>>> On Wednesday, April 29, 2020 at 9:37:36 AM UTC-7, ludwa6 wrote: >>>>>> >>>>>> Hey Arlen: Great to hear, thanks! >>>>>> So i ran those commands, installed TiddlyServer on my Raspberry Pi >>>>>> gateway... But hit a little snag setting up the listener, in that port >>>>>> :8080 is owned by another application server. Can't change that for the >>>>>> moment, as it's a service i can't really mess with. Could talk to that >>>>>> developer about changing the port he's using, i suppose... >>>>>> >>>>>> But just to see this working, i tried to install on my Mac, but >>>>>> terminal tells me: >>>>>> >>>>>> -bash: npm: command not found >>>>>> Suppose i could use a different package manager, if i knew how (yes, >>>>>> i am a complete unix n00b =8-( >>>>>> >>>>>> Will try to bone up on the requisite skills, but any more crib notes >>>>>> would of course be appreciated! >>>>>> >>>>>> /walt >>>>>> >>>>>> >>>>>> On Wednesday, April 29, 2020 at 3:06:52 PM UTC+1, Arlen Beiler wrote: >>>>>>> >>>>>>> I have tried doing SQLite but there are some caveats that need to be >>>>>>> accounted for. >>>>>>> >>>>>>> What I would recommend you do is use data folders instead of single >>>>>>> file wikis. Data folders store tiddlers in individual text files using a >>>>>>> custom format that Jeremy came up with. It works very well for text >>>>>>> based >>>>>>> storage solutions like GitHub. I'm actually really surprised no one >>>>>>> mentioned this yet. >>>>>>> >>>>>>> To get started, install tiddlywiki globally by running npm install >>>>>>> tiddlywiki -g >>>>>>> >>>>>>> Next, to create a blank data folder, run tiddlywiki >>>>>>> ./MyNewWikiFolder --init server >>>>>>> >>>>>>> Then run tiddlywiki ./MyNewWikiFolder --listen >>>>>>> >>>>>>> Now open your browser to localhost:8080 and start exploring. >>>>>>> >>>>>>> TiddlyServer is a good way to load multiple data folders on the same >>>>>>> port. >>>>>>> >>>>>>> Hope that helps, >>>>>>> Arlen >>>>>>> >>>>>>> On Wed, Apr 29, 2020 at 7:52 AM ludwa6 <wlud...@gmail.com> wrote: >>>>>>> >>>>>>>> Such a wealth of options for Local-First storage have emerged in >>>>>>>> this thread (must say: i'm super impressed with the strength of this >>>>>>>> community i have just joined), i've been able to quickly implement the >>>>>>>> simple approach suggested by Jeremy (TW Desktop, + cloud sync to >>>>>>>> Github), >>>>>>>> which is serving me well enough for now. >>>>>>>> >>>>>>>> Yet, as i'm fast creating quite a mountain of data in TW, i'm also >>>>>>>> bothered by the growing sense that what i really want at the back end >>>>>>>> of >>>>>>>> this beautiful thing is a database -ideally SQLite, which has all that >>>>>>>> local-first/ single-file/ portability goodness of TW, while bringing >>>>>>>> the >>>>>>>> full set of functionalities needed to manage a large database with >>>>>>>> integrity. With a single SQLite file stored locally and replicated to >>>>>>>> the >>>>>>>> cloud, that gives us a solution that ticks all the boxes in that >>>>>>>> seminal Local-First paper >>>>>>>> <https://www.inkandswitch.com/local-first.html>: Fast, >>>>>>>> Multi-Device, Offline, Collaboration, Longevity, Privacy, User-Control. >>>>>>>> Combining this with the power of TW5 interface (really an "interface >>>>>>>> builder for the rest of us," i would call it), minus mess of .html >>>>>>>> backup >>>>>>>> files i've got to keep cleaning off my machine (SQLite has a full >>>>>>>> transactional history, so no need of any backups but that one file, >>>>>>>> replicated to cloud), and that in broad-strokes would be the shape of >>>>>>>> my >>>>>>>> dream machine. >>>>>>>> >>>>>>>> So i must ask: has anyone tried using SQLite as storage for a >>>>>>>> TiddlyWiki? If this is indeed technically feasible, can anyone point >>>>>>>> me to >>>>>>>> prior art on which i might be able to build such a solution? Though i >>>>>>>> am >>>>>>>> no programmer, i am reasonably comfortable with SQL as a data >>>>>>>> manipulation >>>>>>>> language, if someone can just show me how to get the TW data in there! >>>>>>>> >>>>>>>> -- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "TiddlyWiki" group. >>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>> send an email to tiddl...@googlegroups.com. >>>>>>>> To view this discussion on the web visit >>>>>>>> https://groups.google.com/d/msgid/tiddlywiki/856ad777-dc63-4491-bd74-c0391c4bf413%40googlegroups.com >>>>>>>> <https://groups.google.com/d/msgid/tiddlywiki/856ad777-dc63-4491-bd74-c0391c4bf413%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>>>> . >>>>>>>> >>>>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "TiddlyWiki" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to tiddl...@googlegroups.com. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/tiddlywiki/9571530e-806f-4a61-ae2f-ef1498d49f7b%40googlegroups.com >>>>> <https://groups.google.com/d/msgid/tiddlywiki/9571530e-806f-4a61-ae2f-ef1498d49f7b%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- >>> You received this message because you are subscribed to the Google >>> Groups "TiddlyWiki" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to tiddl...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/tiddlywiki/e11cd690-1d1b-4ad4-a301-049640052549%40googlegroups.com >>> <https://groups.google.com/d/msgid/tiddlywiki/e11cd690-1d1b-4ad4-a301-049640052549%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > You received this message because you are subscribed to the Google Groups > "TiddlyWiki" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to tiddlywiki+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tiddlywiki/41b844a9-ec92-48f3-82ba-577224128761%40googlegroups.com > <https://groups.google.com/d/msgid/tiddlywiki/41b844a9-ec92-48f3-82ba-577224128761%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. 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