FPE on Alpha in Select with PKEY
От | Adriaan Joubert |
---|---|
Тема | FPE on Alpha in Select with PKEY |
Дата | |
Msg-id | 36D8281A.ADEBE526@albourne.com обсуждение исходный текст |
Список | pgsql-bugs |
============================================================================ POSTGRESQL BUG REPORT TEMPLATE ============================================================================ Your name : Adriaan Joubert Your email address : a.joubert@albourne.com System Configuration --------------------- Architecture (example: Intel Pentium) : DEC Alpha Operating System (example: Linux 2.0.26 ELF) : DU 4.0 D PostgreSQL version (example: PostgreSQL-6.4.2) : PostgreSQL-6.4.2 Compiler used (example: gcc 2.8.0) : DEC C V5.6-071 Please enter a FULL description of your problem: ------------------------------------------------ When doing a select with multiple OR's or an IN statement where this involves a primary key, causes a floating point exception. Creating two tables A and B as follows: CREATE TABLE A ( PRIMARY KEY (a), a int4 NOT NULL, b int4 NOT NULL ); INSERT INTO A values (73,2); INSERT INTO A values (74,2); CREATE TABLE B ( a int4 NOT NULL, b int4 NOT NULL ); INSERT INTO B values (73,2); INSERT INTO B values (74,2); we get the following behaviour tt=> select * from B where a in (73,74); a|b --+- 73|2 74|2 (2 rows) tt=> select * from A where a in (73,74); ERROR: floating point exception! The last floating point operation either exceeded legal ranges or was a divide by zero tt=> select * from A where a=73 or a=74; ERROR: floating point exception! The last floating point operation either exceeded legal ranges or was a divide by zero Please describe a way to repeat the problem. Please try to provide a concise reproducible example, if at all possible: ---------------------------------------------------------------------- See above. If you know how this problem might be fixed, list the solution below: --------------------------------------------------------------------- I know it crashed in create_or_index_paths: following stack-trace 0 0x1200c83b4 in create_or_index_paths(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #1 0x1200c2924 in UnknownProcedure1FromFile134(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #2 0x1200c281c in find_paths(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #3 0x1200cb074 in UnknownProcedure1FromFile147(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #4 0x1200caedc in query_planner(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #5 0x1200cb9bc in union_planner(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #6 0x1200cb75c in planner(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #7 0x12011e3b0 in pg_parse_and_plan(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #8 0x12011e654 in pg_exec_query_dest(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #9 0x12011fffc in PostgresMain(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #10 0x1200b029c in main(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres #11 0x12003b1a8 in __start(0x0, 0x140201e80, 0x1f5, 0x1, 0x4, 0x0) in ./postgres I'm going to have to recompile with debugging switched on to have a better look at it. Anybody have any idea which source file this is in? -- --------------------------------------+------------------------------- Dr Adriaan Joubert | Phone: +357-2-750 652 APL Financial Services (Overseas) Ltd| Fax: +357-2-750 654 3 D. Vikella St | e-mail: a.joubert@albourne.com 1061 Nicosia, CYPRUS | --------------------------------------+-------------------------------
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