36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
#include <iostream>
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#include <stdlib.h>
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#include "sqlite3.h"
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sqlite3 *database;
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using namespace std;
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int Callback( void *Pointer, int argc, char **argv, char **columnNames)
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// (pointer to database,number of columns retrieved,
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// array of pointers to the strings in the fields,column name)
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{
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cout<< *argv <<endl; // prints all entries in column "entry"
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return 0;
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}
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int main(int argc, char *argv[])
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{
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// open database
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int resultcode = sqlite3_open( "mydatabase" , &database);
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//create table and insert entries
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sqlite3_exec( database , "create table test(number integer , entry varchar(50) , primary key(number));" , NULL , NULL , NULL);
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sqlite3_exec( database , "insert into test (number , entry) values (1 , 'Testentry 0');" , NULL , NULL , NULL);
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sqlite3_exec( database , "insert into test (number , entry) values (2 , 'Testentry 1');" , NULL , NULL , NULL);
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sqlite3_exec( database , "insert into test (number , entry) values (3 , 'Testentry 2');" , NULL , NULL , NULL);
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// query database: retrieve all fields in column "entry":
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sqlite3_exec( database , "select entry from test;" , Callback , NULL , NULL);
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// close database again
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sqlite3_close(database);
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return 0;
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}
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