1
xcode에서 다음 쿼리를 실행 중입니다. 그러나 결과가 반환되지 않습니다. 나는 결과를 리턴해야하고 sqlite 브라우저에서 동일한 쿼리를 실행하여 동일하게 확인할 수 있다고 확신한다. 그러나 xcode 내에서 sqlite3_step은 코드 101을 반환합니다. 여기서 내가 뭘 잘못하고 있니?SQLite 쿼리가 결과를 반환하지 않습니다.
NSMutableArray *pages = [[NSMutableArray alloc] init];
char *query = " \
drop table if exists tempT; \
\
create temporary table tempT \
as \
select \
Page \
from \
(\
select 1 as Sort, 'Home' as Page \
union \
select 2 as Sort, 'Research' as Page \
union \
select distinct 3 as Sort, Category as Page from Researches \
union \
select 4 as Sort, 'Drafts' as Page \
union \
select 5 as Sort, 'Outbox' as Page \
union \
select 6 as Sort, 'Download' as Page \
union \
select 7 as Sort, 'Settings' as Page \
union \
select 8 as Sort, 'Deleted' as Page \
) as Sub \
ORDER BY Sort, Page \
; \
\
select Page from tempT order by rowid \
";
sqlite3_stmt *stmt;
if (sqlite3_prepare_v2(database, query, -1, &stmt, nil) == SQLITE_OK)
{
while (sqlite3_step(stmt) == SQLITE_ROW)
{
[pages addObject: [NSString stringWithUTF8String: (char *)sqlite3_column_text(stmt, 0)]];
}
sqlite3_finalize(stmt);
}
return pages;