Re: [sqlite] SQLite and MinGWSys

2009-07-01 Thread Dennis Cote
ArbolOne wrote: I have downloaded the latest version of SQLite as well as the make file in the ticket #931 http://www.sqlite.org/cvstrac/tktview?tn=931 However, after typing 'make' I get a message that saying ' No rule to make target 'src/sqlite.h.in', how do I solve this problem? Read

Re: [sqlite] Using SQLite3 on On-Time RTOS ...

2009-07-01 Thread Kent Dahl
ma., 27.04.2009 kl. 14.58 +0200, skrev Kent Dahl: We've been giving the SQLite 3.6.10 amalgamation source code for Windows a try against RTOS 5.14 and it compiled out of the box. However, we ran into some linker and run-time errors. After a fair amount of experimenting, we got it up and

Re: [sqlite] Near misses

2009-07-01 Thread Alberto Simões
Hello 2009/6/26 Alberto Simões hashas...@gmail.com: I am trying to find words in a dictionary stored in sqlite, and trying a near miss approach. For that I tried an algorithm to create patterns corresponding to Levenshtein distance of 1 (edit distance of 1). That means, one adition, one

[sqlite] How can I specify that a column is equal to another?

2009-07-01 Thread Yuzem
I have this: select title,my_rating from movies left join user on movies.id = user.id where id = 'tt0426459' The result: ambiguous column name: id I could use: select movies.id ids,title,my_rating from movies left join user on movies.id = user.id where ids =

Re: [sqlite] How can I specify that a column is equal to another?

2009-07-01 Thread Simon Slavin
On 1 Jul 2009, at 5:24pm, Yuzem wrote: Is there any way to specify that movies.id is equal to user.id so I can use just id in my query? I think you have already come up with the two best solutions. You could also create a VIEW http://www.sqlite.org/lang_createview.html and specify

Re: [sqlite] How can I specify that a column is equal to another?

2009-07-01 Thread Pavel Ivanov
You can do only where movies.id = 'tt0426459' or where user.id = 'tt0426459' What to choose depends on your needs. And you're wrong that these variants are identical and movies.id is always equal to user.id because you're making left join. They will be identical if you will make inner join. But

Re: [sqlite] How can I specify that a column is equal to another?

2009-07-01 Thread Dennis Cote
Yuzem wrote: Is there any way to specify that movies.id is equal to user.id so I can use just id in my query? Thanks in advance! Not with a left join, but with an inner join you can use the USING clause or a NATURAL join. See http://en.wikipedia.org/wiki/Join_(SQL)#Equi-join for more

[sqlite] Accessing a DB while copying it causes Windows to eat virtual memory

2009-07-01 Thread Stan Bielski
Hello, In the course of copying a largish (20 GB) database file while accessing it via sqlite3, the machine became very unresponsive. I opened task manager and found that the system was using a huge amount of virtual memory, causing it to thrash. Per-process memory usage looked normal and did not

[sqlite] getting offending constraint

2009-07-01 Thread James Gregurich
howdy! Would there be a way to identify the offending constraint if SQLITE_CONSTRAINT is returned? sqlite3_errmsg is just telling me constraint failed...which is of limited usefulness. -James ___ sqlite-users mailing list

Re: [sqlite] getting offending constraint

2009-07-01 Thread Roger Binns
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 James Gregurich wrote: howdy! You hijacked someone else's thread by hitting reply, rather than starting a new one. That is very poor netiquette. Would there be a way to identify the offending constraint if SQLITE_CONSTRAINT is returned?

[sqlite] INSERT INTO and Hexadecimal Literals

2009-07-01 Thread Ben Atkinson
Sorry for the newbie SQL question. I'm trying to use the INSERT INTO statement with a hexadecimal literal. I want to accomplish something like this: INSERT INTO TruckDefaultsTable VALUES ( 'AirPressureTime', 0, 0xB4); sqlite chokes on the 0xB4 expression with: unrecognized token:

Re: [sqlite] INSERT INTO and Hexadecimal Literals

2009-07-01 Thread Clay Baenziger
Hi Ben, I hit this a few months ago. Hex literals have to contain an even number of hex digits. For that discussion, see: http://www.nabble.com/Hexadecimal-Inequalities-Failing--td20216982.html Thank you,

Re: [sqlite] getting offending constraint

2009-07-01 Thread James Gregurich
How would I have hijacked a thread? I changed the subject and removed the original text. On Jul 1, 2009, at 12:32 PM, Roger Binns wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 James Gregurich wrote: howdy! You hijacked someone else's thread by hitting reply, rather than

Re: [sqlite] getting offending constraint

2009-07-01 Thread P Kishor
On Wed, Jul 1, 2009 at 3:39 PM, James Gregurichbayouben...@mac.com wrote: How would I have hijacked a thread?  I changed the subject and removed the original text. ... that is exactly how a thread is hijacked... changing the subject is not enough. Every message has a unique id that is used by

Re: [sqlite] INSERT INTO and Hexadecimal Literals

2009-07-01 Thread Clay Baenziger
Erg, I can almost count. Sorry, the correct way to specify a hex literal is in that thread too. If you use x'value' you can enter the bits. Thank you, Clay On Wed, 1 Jul 2009, Clay

Re: [sqlite] getting offending constraint

2009-07-01 Thread James Gregurich
ah. I have no knowledge of how mailing list programs work. no poor etiquette was intended. On Jul 1, 2009, at 1:41 PM, P Kishor wrote: On Wed, Jul 1, 2009 at 3:39 PM, James Gregurichbayouben...@mac.com wrote: How would I have hijacked a thread? I changed the subject and removed the

Re: [sqlite] INSERT INTO and Hexadecimal Literals

2009-07-01 Thread Igor Tandetnik
Ben Atkinson bwa4...@yahoo.com wrote: Sorry for the newbie SQL question. I'm trying to use the INSERT INTO statement with a hexadecimal literal. I want to accomplish something like this: INSERT INTO TruckDefaultsTable VALUES ( 'AirPressureTime', 0, 0xB4); Does SQL have a hex literal

[sqlite] Help with SQLite Query

2009-07-01 Thread JokBoy
Basically, I would like to be able to query one table based on criteria entered into another table. I have attached an excel file with a couple of hours of monitoring data, the 10 minute data has been interpolated to give minute answers (as MOEData Tab in the excel sheet). This Table of Data

Re: [sqlite] Help with SQLite Query

2009-07-01 Thread Igor Tandetnik
JokBoy andrew.lind...@westnet.com.au wrote: Basically, I would like to be able to query one table based on criteria entered into another table. I have attached an excel file with a couple of hours of monitoring data, the 10 minute data has been interpolated to give minute answers (as MOEData

Re: [sqlite] getting offending constraint

2009-07-01 Thread Simon Slavin
On 1 Jul 2009, at 8:19pm, James Gregurich wrote: Would there be a way to identify the offending constraint if SQLITE_CONSTRAINT is returned? sqlite3_errmsg is just telling me constraint failed...which is of limited usefulness. Instead of the constraint, you could define a trigger, and

Re: [sqlite] Help with SQLite Query

2009-07-01 Thread JokBoy
Igor, I have tried your query and I don't get any rows returned. Any ideas why it wouldn't work? Regards Andrew -- View this message in context: http://www.nabble.com/Help-with-SQLite-Query-tp24297858p24298529.html Sent from the SQLite mailing list archive at Nabble.com.

[sqlite] Changing Table Contents

2009-07-01 Thread Rick Ratchford
Language: VB6 In my project, I create a Table that holds specific information based on a User's selection. When the user runs a new selection, my procedure that creates this table is run again to recreate the table but with new information. However, the problem I have is that since the

Re: [sqlite] Changing Table Contents

2009-07-01 Thread David Baird
On Wed, Jul 1, 2009 at 5:29 PM, Rick Ratchfordr...@amazingaccuracy.com wrote: 1. Determine if the table has already been created due to a prior run. 2. If so, to remove the information currently in that table and replace it with new information. I'm not sure how to determine whether the

Re: [sqlite] Changing Table Contents

2009-07-01 Thread Rick Ratchford
DROP TABLE Foo; -- It's okay to execute this command, even if Foo does not exist already. Hello David. Thanks for your reply. The above Drop Table created an error when I tried to run it when no table existed. CREATE TABLE Foo ( ... ); Forgive my novice ignorance. Although I have

Re: [sqlite] Changing Table Contents

2009-07-01 Thread Rick Ratchford
Okay, I found what needed to be added to DROP TABLE to make it not produce the error. DROP TABLE IF EXISTS Foo That did the trick. Still haven't figured out how to get the test result from... SELECT count(*) FROM sqlite_master WHERE tbl_name = 'Foo'; If this returns 1 or 0 based on whether

Re: [sqlite] getting offending constraint

2009-07-01 Thread James Gregurich
thanks. I tried that, but I still got back constraint failed rather than my RAISE message. Since you say it should work, I probably did something wrong. I'll look at it again. On Jul 1, 2009, at 3:59 PM, Simon Slavin wrote: On 1 Jul 2009, at 8:19pm, James Gregurich wrote: Would there

[sqlite] 3 million rows, query speeds, and returning zero for rows that don't exist

2009-07-01 Thread yaconsult
I'm using sqlite to do some analysis on very large web application log files - approaching 3 million lines per day. And what a wonderful tool it is! It has saved me from writing lots of custom scripts. I have a perl script that parses an rsynced copy of this huge log file, munges, converts,

Re: [sqlite] Changing Table Contents

2009-07-01 Thread Simon Slavin
On 2 Jul 2009, at 1:22am, Rick Ratchford wrote: Okay, I found what needed to be added to DROP TABLE to make it not produce the error. DROP TABLE IF EXISTS Foo That did the trick. Still haven't figured out how to get the test result from... SELECT count(*) FROM sqlite_master WHERE

[sqlite] How to build mutil-primary key for a table?

2009-07-01 Thread Kermit Mei
Hello community! I have three table like this: Device(id,name,icon,type) -id as primary key ZWavePhsicalDevice(id,funcode) -id as primary key ZWaveGSDevice(Device.id, ZWavePhsicalDevice.id,order) -Device.id and ZWavePhsicalDevice.id as mutil primary keys. Now, I don't know how to build the

Re: [sqlite] 3 million rows, query speeds, and returning zero for rows that don't exist

2009-07-01 Thread Simon Slavin
On 2 Jul 2009, at 2:00am, yaconsult wrote: For testing purposes, I created indexes for all the columns used in the selects below. This doesn't do what you want. For instance, suppose I had a huge amount of data in this table: description | date | time

Re: [sqlite] getting offending constraint

2009-07-01 Thread Simon Slavin
On 2 Jul 2009, at 1:57am, James Gregurich wrote: I tried that, but I still got back constraint failed rather than my RAISE message. Since you say it should work, I probably did something wrong. I'll look at it again. If you left the constraint definition in in your table definition then

Re: [sqlite] Changing Table Contents

2009-07-01 Thread David Baird
On Wed, Jul 1, 2009 at 6:05 PM, Rick Ratchfordr...@amazingaccuracy.com wrote: I'm using a VB wrapper, and so I run this by...    Cnn.Execute Select count(*) FROM sqlite_master WHERE tbl_name = 'DeltaGrid' Thing is, I don't know where to check for the return value. I'm afraid I can't help

Re: [sqlite] Help with SQLite Query

2009-07-01 Thread Igor Tandetnik
JokBoy wrote: I have tried your query and I don't get any rows returned. Any ideas why it wouldn't work? If you tried it against the database file you showed in your original post, note that you have MOEData.Date in different format from Criteria.StartTime_crit and EndTime_crit. Recall that

Re: [sqlite] How to build mutil-primary key for a table?

2009-07-01 Thread Igor Tandetnik
Kermit Mei wrote: I have three table like this: Device(id,name,icon,type) -id as primary key ZWavePhsicalDevice(id,funcode) -id as primary key ZWaveGSDevice(Device.id, ZWavePhsicalDevice.id,order) -Device.id and ZWavePhsicalDevice.id as mutil primary keys. Now, I don't know how to build

Re: [sqlite] Changing Table Contents

2009-07-01 Thread Rick Ratchford
Although I'm going to use the easier DROP TABLE IF EXISTS... line as this works wonderfully. The only reason I asked about the other method you mentioned is that I wanted to at least understand how it worked. The more one knows, the easier it gets later on. Anyway, I think I may know how the

Re: [sqlite] Changing Table Contents

2009-07-01 Thread David Baird
On Wed, Jul 1, 2009 at 9:50 PM, Rick Ratchfordr...@amazingaccuracy.com wrote: From what I understand, ANYTIME you do a SQL statement, such as SELECT..., you are doing this to a TABLE and returning the result in a sort of 'recordset'. So then, the table is this sqlite_master, the field is

Re: [sqlite] How to build mutil-primary key for a table?

2009-07-01 Thread Kermit Mei
On Wed, 2009-07-01 at 22:45 -0400, Igor Tandetnik wrote: Kermit Mei wrote: I have three table like this: Device(id,name,icon,type) -id as primary key ZWavePhsicalDevice(id,funcode) -id as primary key ZWaveGSDevice(Device.id, ZWavePhsicalDevice.id,order) -Device.id and