On Sun, May 25, 2014 at 5:07 PM, Fred Basset <[email protected]>wrote:
> I am using sqlite3 version 2.8.17 on an Arm Debian Linux system.
>
SQLite version 2 and version 3 have incompatible file formats. You appear
to have created a database using version 2 then tried to read that database
using version 3.
You should use SQLite version 3 exclusively. SQLite 3 has been the
standard for 10 years. SQLite3 is used for everything. Nobody has used
SQLite2 in a very, very long time.
>
> I created a test table using these commands from Linux:
>
> "
> cat 01_create_tables.sql
> CREATE TABLE PV_INTERVALDATA (
> timestamp DATE,
> T_ambient REAL NOT NULL,
> T_trunk1 REAL NOT NULL,
> T_trunk4 REAL NOT NULL
> );
>
> sqlite < 01_create_tables.sql pvintervaldata.sqlite
> "
>
> I then went to insert a row into the new database with this C code:
>
> "
> #include <stdio.h>
> #include <sqlite3.h>
>
> static int callback(void *NotUsed, int argc, char **argv, char
> **azColName){
> int i;
> for(i=0; i<argc; i++){
> printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
> }
> printf("\n");
> return 0;
> }
>
> int main(int argc, char **argv){
> sqlite3 *db;
> char *zErrMsg = 0;
> int rc;
>
> rc = sqlite3_open("pvintervaldata.sqlite", &db);
> if( rc ){
> fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
> sqlite3_close(db);
> return(1);
> }
> rc = sqlite3_exec(db, "insert into PV_INTERVALDATA
> values(datetime('now','localtime'), 24.5, 20, 21);", callback, 0,
> &zErrMsg);
> if( rc!=SQLITE_OK ){
> fprintf(stderr, "SQL error: %s\n", zErrMsg);
> sqlite3_free(zErrMsg);
> }
> sqlite3_close(db);
> return 0;
> }
> "
>
> On running the C program I get this error however:
>
> "
> SQL error: file is encrypted or is not a database
> "
>
> What is going wrong?
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>
--
D. Richard Hipp
[email protected]
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