Hi, I've started learning rails3 few days ago, and since today, every time I run unit test for my model I get this error message: ActiveRecord::StatementInvalid: SQLite3::SQLException: no such table: users: DELETE FROM "users" WHERE 1=1 The tests went smoothly yesterday, I run them today (reverting everything to the state from ...
I was going to try using JDBC and an sqlite driver to save information into a file. It seems to work fine, but I was wondering if there was a more automated way to set it up. Maybe almost like a key-value pair. Anyway, this is what I'm doing now... Connection conn = DriverManager.getConnection("jdbc:sqlite:test.db"); Statement stat...
Hi! I have small COCOA Mac OS application to play with core data. I have overridden default save function to do extra job after saving document (automatically save a zip copy also). Every time I save - program crashes with EXC_BAD_ACCESS in line where I call [super writeToURL ...] The good part is - document is being saved properly. He...
Hi guys, new to android/java programming. Quick question. In php/mysql I use 1=1 a lot when building dynamic select queries. It saves some extra steps (i can append AND onto each part of the select query and finish it with 1=1). Doing this with managedQuery gives me an empty cursor when querying the calllog. Is this something managedQuer...
1) My whole application is built on PDO with sqlite My Problem: The hosting provider has PDO --disabled I want to know how i can get PDO extensions to work on my hosting provider. The hosting provider just doesnt seem to respond to my queries. So is there any way i can do this remotely. ...
Hi there, I have this code which checks whether a file exists, and if it does it queries the sqlite database to make sure there is an entry. It is used in the method cellForRowAtIndexPath in a UITableViewController. Basically for each video that is listed in a Table I need to find if it EXISTS AND IS IN THE DATABASE. Will this cost a l...
Hi All, When I am trying to sqlite database in iPhone I got one error.. "Unable to open database file" So anyone please tell me what are the main causes for this error?? Regards, Syam ...
Dear All, Anyone knows is there any other adapter between numpy array and sqlite database besides the atpy? Thanks! Rgs, KC ...
I got a report from a user that when they installed my .net 2.0 app they got a message that a reference to system.data.sqlite.dll could not be found. I use Inno to install it in the same folder as the executable and no problems from others. Does it make any difference what the copy local property is when I add the reference in VS? my und...
Is there a way to define a column type in SQLite that holds any datatype that SQLite supports? I have unsigned chars, signedchars, unsigned ints, signed ints, UTF-8 chars and blobs that I want to populate in a single column. Reference to any literature is also appreciated. ...
I imported the libsqlite3.0.dylib framework but this code sqlite3 *database; generates an error saying that sqlite3 is undeclared. ...
This line of code if (sqlite3_open(([databasePath UTF8String], &database) == SQLITE_OK) generates an error saying that there are too few arguments to sqlite3_open. How many arguments are required? How can this be fixed? ...
Say I have a table of apples (apple_id). And for each apple I have a history of its weight over time. How to structure it so that every time an apple is added, an associated table is created with its weight history? Having only one table of weight history for all apples (apple_id,age,weight) seems like a performance drain when looki...
Basically, I want to insert if a given entry (by its primary key id) doesn't exist, and otherwise update if it does. What might be the best way to do this? ...
Hi guys, i'm trying to insert some data on a database using this code: -(void)insertLocationOnDatabase:(LocationType *)aLocation { sqlite3_stmt *stmt; int location = [aLocation.locationID intValue]; NSLog(@"Location ID: %i", location); const char *sql = "insert into tbl_location values (?,?,?,?)"; if (sqlite3_prepare...
In an Android app I developed, I open a cursor to a query with a fairly large result set (~1k rows) and I keep it open indefinitely. Is this an ok practice? If not, should I close the cursor in the onClose() handler and then re-open it in the onStart() handler? The app seems to run fine, however it sometimes randomly crashes after havin...
If Newdata is list of x columns, How would get the number unique columns--number of members of first tuple. (Len is not important.) Change the number of "?" to match columns and insert using the statement below. csr = con.cursor() csr.execute('Truncate table test.data') csr.executemany('INSERT INTO test.data VALUES (?,?,?,?)',...
I have the data in the android(Sqlite Database).How to transfer this database data's to the System Database( like Access or SQL Server).After Transfer this data's i have to use the data in the System.I am new to android. Can anyone help me. Note: If the android device have the Database db1.I wish to use the db1 data in the Desktop Appli...
Is there any mechanism to keep query results in order to reuse them the next time this query occurs? I'm not talking about SQLite's cache that stores pages retrieved from a database file. This is more about a query execution without using SQLite B-tree and Pager modules. ...
I am using vb.net sqlite.net and dblinq0.20.1 to search a sqlite table on a primary key field. My code looks like this Dim blb = (From d In db.Data Where d.UID = myuid Select d).Single This returns the error "Coalesce used with type that cannot be null" If I search on a nullable field it works fine. Anyone come across this error ...