Apart from the SQLITE_OK vs SQLITE_ROW/DONE check on the sqlite3_step() call
mentioned already, you also have the third parameter to sqlite_prepare_v2()
wrong: nByte = NULL will translate to nByte = 0 which is documented as “no
prepared statement is generated”. Therefore stmt is not valid and
sqlite3_step() returns SQLITE_MISUSE.
Try -1 instead of NULL.
> On 21/06/2018, at 12:44 PM, Igor Korot <ikoro...@gmail.com> wrote:
>
> Hi, guys,
> I put in this code:
>
> if( sqlite3_prepare_v2( m_db, "PRAGMA
> schema_version", NULL, &stmt, NULL ) == SQLITE_OK )
> {
> if( ( res = sqlite3_step( stmt ) ) == SQLITE_OK )
> {
> m_schema = sqlite3_column_int( stmt, 0 );
> pimpl->m_dbName = sqlite_pimpl->m_catalog;
> }
> else
> {
> }
> }
> else
> {
> }
>
> The call to sqlite3_step() failed - it returned 21.
>
> Anyone sees any issues?
>
> Thank you.
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