Hello everyone,
I don't understand why when I use the sqlite3_prepare_v2() function, some
bind_xxx, and then commit, the data stored in my database are redundant..
To be more precise, when I run my code (see below), I obtain this in my
database :
1|s|||
2|s|t||
3|s|t|y|
4|s|t|y|ve
====================================
============ Part of the code ===========
sprintf(insert_data,"INSERT INTO %s(pid, class_id, instance_id, dataset)
VALUES(?,?,?,?)", table_name);
const char *zSql = insert_data;
sqlite3_exec(db, "BEGIN", NULL, NULL, NULL);
if( sqlite3_prepare_v2(db, zSql, strlen(zSql)+1, &ppStmt, pzTail) !=
SQLITE_OK )
{
sqlite3_close(db);
exit(1);
}
if(ppStmt)
{
sqlite3_bind_blob(ppStmt, 1, &pid_value, sizeof(pid_value),
SQLITE_TRANSIENT);
sqlite3_step(ppStmt);
sqlite3_reset(ppStmt);
sqlite3_bind_blob(ppStmt, 2, &class_id_value, sizeof(class_id_value),
SQLITE_TRANSIENT);
sqlite3_step(ppStmt);
sqlite3_reset(ppStmt);
sqlite3_bind_blob(ppStmt, 3, &instance_id_value,
sizeof(instance_id_value), SQLITE_TRANSIENT);
sqlite3_step(ppStmt);
sqlite3_reset(ppStmt);
sqlite3_bind_blob(ppStmt, 4, &dataset_struct, sizeof(dataset_struct),
SQLITE_TRANSIENT);
sqlite3_step(ppStmt);
sqlite3_finalize(ppStmt);
sqlite3_exec(db, "COMMIT", NULL, NULL, NULL);
}
====================================
====================================
Is there an error in the code? Or is it impossible to submit all data in one
time without specifying the PRIMARY_ID?
--
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