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내 SqlLite 데이터베이스에서 데이터를 삭제하려고하면 내 앱이 다운 됨.iphone에서 데이터 sqllite 삭제 - 데이터베이스 잠김
이 오류입니다 : Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Error while deleting. 'database is locked'
이 데이터베이스에있는 모든 내 코드입니다 : 어떤 제안
#import "Database.h"
static sqlite3 *database = nil;
static sqlite3_stmt *deleteStmt = nil;
static sqlite3_stmt *addStmt = nil;
@implementation Database
@synthesize id_poi, pathDb, arrPoi;
- (id) initWithData:(NSDictionary *) data {
[super init];
NSLog(@"%@",[data objectForKey:@"pathDb"]);
NSLog(@"id_poi = %@",[data objectForKey:@"id_poi"]);
//setto l'id nello stato dell'oggetto
id_poi = [data objectForKey:@"id_poi"];
pathDb = [data objectForKey:@"pathDb"];
return self;
}
- (void) deletePoi {
if (sqlite3_open([pathDb UTF8String], &database) == SQLITE_OK) {
const char *sql = "delete from Poi where id_poi = ?";
sqlite3_stmt *deleteStmt;
if(sqlite3_prepare_v2(database, sql, -1, &deleteStmt, NULL) == SQLITE_OK) {
//When binding parameters, index starts from 1 and not zero.
sqlite3_bind_int(deleteStmt, 1, [id_poi integerValue]);
if (SQLITE_DONE != sqlite3_step(deleteStmt)) {
NSAssert1(0, @"Error while deleting. '%s'", sqlite3_errmsg(database));
[[WPActivityIndicator sharedActivityIndicator] hide];
return;
}
} else {
NSAssert1(0, @"Error while creating delete statement. '%s'", sqlite3_errmsg(database));
}
sqlite3_finalize(deleteStmt);
} else {
sqlite3_close(database); //Even though the open call failed, close the database connection to release all the memory.
}
[[WPActivityIndicator sharedActivityIndicator] hide];
}
- (BOOL) checkIdPoi {
// lista temporanea
NSMutableArray *listaTemp = [[NSMutableArray alloc] init];
// Oggetto che contiene i vari elementi
NSMutableDictionary *dictionary;
NSMutableString *str_id_poi;//id della persona
if (sqlite3_open([pathDb UTF8String], &database) == SQLITE_OK) {
// query che ricava i valori
const char *sql = "select id_poi from Poi where id_poi = ?";
sqlite3_stmt *selectstmt;
if(sqlite3_prepare_v2(database, sql, -1, &selectstmt, NULL) == SQLITE_OK) {
sqlite3_bind_int(selectstmt, 1 , [id_poi integerValue]);
while(sqlite3_step(selectstmt) == SQLITE_ROW) {
// ricaviamo i valori letti dalla query
str_id_poi = [NSMutableString stringWithUTF8String:(char *)sqlite3_column_text(selectstmt, 0)];
// inseriamo tutti i valori letti in un unico oggetto
dictionary = [[NSMutableDictionary alloc] initWithObjectsAndKeys:str_id_poi, @"id_poi", nil];
//NSLog(@"str_id_poi = %@",str_id_poi);
[listaTemp addObject:dictionary];
[dictionary release];
return TRUE;
}
} else {
NSAssert1(0, @"Error while read data. '%s'", sqlite3_errmsg(database));
return FALSE;
}
}
else {
sqlite3_close(database);
return FALSE;
}
return FALSE;
}
- (void) addPoi {
//NSLog(@"%@",pathDb);
if (sqlite3_open([pathDb UTF8String], &database) == SQLITE_OK) {
const char *sql = "insert into Poi(id_poi) Values(?)";
sqlite3_stmt *addStmt;
if(sqlite3_prepare_v2(database, sql, -1, &addStmt, NULL) == SQLITE_OK) {
NSString *str_id_poi = [[NSString alloc] initWithFormat:@"%d", [id_poi integerValue]];
sqlite3_bind_text(addStmt, 1, [str_id_poi UTF8String], -1, SQLITE_TRANSIENT);
if(SQLITE_DONE != sqlite3_step(addStmt)) {
NSAssert1(0, @"Error while inserting data. '%s'", sqlite3_errmsg(database));
[[WPActivityIndicator sharedActivityIndicator] hide];
return;
} else {
//SQLite provides a method to get the last primary key inserted by using sqlite3_last_insert_rowid
//id_poi = sqlite3_last_insert_rowid(database);
}
//Reset the add statement.
sqlite3_reset(addStmt);
} else {
NSAssert1(0, @"Error while creating add statement. '%s'", sqlite3_errmsg(database));
}
sqlite3_finalize(addStmt);
} else {
sqlite3_close(database); //Even though the open call failed, close the database connection to release all the memory.
}
sqlite3_close(database);
[[WPActivityIndicator sharedActivityIndicator] hide];
}
// Carica i valori dal database passato come parametro
-(NSMutableArray*)getIdPOI {
// lista temporanea
NSMutableArray *listaTemp = [[NSMutableArray alloc] init];
// Oggetto che contiene i vari elementi
NSMutableDictionary *dictionary;
NSMutableString *str_id_poi;//id della persona
if (sqlite3_open([pathDb UTF8String], &database) == SQLITE_OK) {
// query che ricava i valori
const char *sql = "select id_poi from Poi";
sqlite3_stmt *selectstmt;
if(sqlite3_prepare_v2(database, sql, -1, &selectstmt, NULL) == SQLITE_OK) {
while(sqlite3_step(selectstmt) == SQLITE_ROW) {
// ricaviamo i valori letti dalla query
str_id_poi = [NSMutableString stringWithUTF8String:(char *)sqlite3_column_text(selectstmt, 0)];
// inseriamo tutti i valori letti in un unico oggetto
dictionary = [[NSMutableDictionary alloc] initWithObjectsAndKeys:str_id_poi, @"id_poi", nil];
//NSLog(@"str_id_poi = %@",str_id_poi);
[listaTemp addObject:dictionary];
[dictionary release];
}
//Reset the add statement.
sqlite3_reset(selectstmt);
} else {
NSAssert1(0, @"Error while read data. '%s'", sqlite3_errmsg(database));
}
//ADD THIS LINE TO YOUR CODE
sqlite3_finalize(selectstmt);
}
else
sqlite3_close(database);
sqlite3_close(database);
return listaTemp;
}
+ (void) finalizeStatements {
if(database) sqlite3_close(database);
if(deleteStmt) sqlite3_finalize(deleteStmt);
if(addStmt) sqlite3_finalize(addStmt);
}
-(void)dealloc {
[pathDb release];
[arrPoi release];
[super dealloc];
}
@end
?
함수 deletePoi 및 checkIdPoi에 닫기 데이터베이스 호출이 없습니다. 그것은 아마도 당신의 문제의 원인 일 것입니다. BTW, 데이터베이스를 열 때 오류가 발생하면 다른 함수에서 sqlite_close를 두 번 호출합니다. – Stefan