Database Error Out Of Memory
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log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn teamspeak 3 more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Database Administrators Questions Tags Users Badges Unanswered Ask Question _ Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can http://forum.teamspeak.com/tags.php?tag=databaseerror ask a question Anybody can answer The best answers are voted up and rise to the top PostgreSQL Error: out of memory up vote 2 down vote favorite I'm trying to run a query that should return around 2000 rows, but my RDS-hosted PostgreSQL 9.3 database is giving me the error "out of memory DETAIL: Failed on request of size 2048.". What does that mean? My instance has 3GB http://dba.stackexchange.com/questions/64570/postgresql-error-out-of-memory of memory, so what would be limiting it enough to run out of memory with such a small query? Edit: SHOW work_mem; "1024GB" I can't show the full SQL, but it's attempting to perform a pivot. I have two primary tables, library and book, which points back to a library record. My query attempts to find the most popular book for each of the last 12 months for each library record, and join them to a separate column in the result queryset, to have something like: library_id, month_1_book_id, month_2_book_id, month_3_book_id, ... Explain shows this results in quite a few loops: explain select * from myapp_library_get_monthly_popular where id in (5495060, 5495059, 5495048) Nested Loop Left Join (cost=3645798.54..3750412.91 rows=3 width=2980) -> Nested Loop Left Join (cost=3645798.10..3750388.98 rows=3 width=2994) -> Nested Loop Left Join (cost=3645797.66..3750365.05 rows=3 width=2976) -> Nested Loop Left Join (cost=3645797.23..3750341.13 rows=3 width=2958) -> Nested Loop Left Join (cost=3645796.79..3750317.20 rows=3 width=2940) -> Nested Loop Left Join (cost=3645796.35..3750293.27 rows=3 width=2922) -> Nested Loop Left Join (cost=3645795.91..3750269.35 rows=3 width=2904) -> Nested Loop Left Join (cost=3645795.48..3750245.42 rows=3 width=2886) -> Nested Loop Left Join (cost=3645795.04..3750221.49 rows=3 width=2868) -> Nested Loop Left Join (cost=3645794.60..3750197.57 rows=3 width=2850) -> Nested Loop Left Join (cost=3645794.16..3750173.64 rows=3 width=2832) -> Nested Loop Left Join (cost=3645793.73..3750149.71 rows
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up query sqlite error out of memory xcode up vote 2 down vote favorite 1 I have an error. Problem with prepare statement: out of memory. How to fix it? Other queries are working normally. I do not know what can be. Maybe this is a problem -(TelefonDetail *)telefonDetails:(int)iDMob ?? -(TelefonDetail *)telefonDetails:(int)iDMob { TelefonDetail *retvalTelefon = nil; NSString *ZaprosTelefons = @"SELECT iDMob , marka, model,wifi, os, razmeri,Display,Camera,Stoimos,imageTel,opisCrat FROM MobTele WHERE iDMob=1"; sqlite3_stmt *statement1; if (sqlite3_prepare_v2(_database, [ZaprosTelefons UTF8String], -1, &statement1, nil) != SQLITE_OK) { NSLog(@"Problem with prepare statement: %s", sqlite3_errmsg(_database)); } else{ while (sqlite3_step(statement1) == SQLITE_ROW) { int iDMob = sqlite3_column_int(statement1, 0); char *Marka = (char *) sqlite3_column_text(statement1, 1); char *Model = (char *) sqlite3_column_text(statement1, 2); char *Wifi = (char *) sqlite3_column_text(statement1, 3); char *OS = (char *) sqlite3_column_text(statement1, 4); char *Razmeri = (char *) sqlite3_column_text(statement1, 5); char *Display = (char *) sqlite3_column_text(statement1, 6); char *Camera = (char *) sqlite3_column_text(statement1, 7); char *Stoimos = (char *) sqlite3_column_text(statement1, 8); Byte *imgTel = (Byte *) sqlite3_column_blob(statement1, 9); NSString *marka = [[NSString alloc] initWithUTF8String:Marka]; NSString *model = [[NSString alloc] initWithUTF8String:Model]; NSString *wifi = [[NSString alloc] initW