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[2013-01-21 13:18 UTC] vberko at mail dot com
Description:
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When i store -1 value in a numeric field and i read back, i get -0.00
Test script:
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SET SQL DIALECT 3;
SET NAMES WIN1250;
CREATE DATABASE '127.0.0.1/gds_db:C:\TEST\test2.fdb' USER 'test' PASSWORD 'test' PAGE_SIZE = 4096 DEFAULT CHARACTER SET WIN1250;
CREATE TABLE PRICE (ID INTEGER NOT NULL, TEXT VARCHAR(10), COST NUMERIC(15, 2));
INSERT INTO PRICE (ID, TEXT, COST) VALUES (2, 'test', -1);
$db=new PDO("firebird:dbname=localhost:c:/TEST/test2.fdb","test","test",array());
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$sql="select id,cost from price where id=2";
$q=$db->query($sql);
$ret=$q->fetchAll();
var_dump($ret);
result:
array(1) { [0]=> array(4) { ["ID"]=> string(1) "2" [0]=> string(1) "2" ["COST"]=> string(5) "-0.00" [1]=> string(5) "-0.00" } }
Expected result:
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I get back -0.00 but the right result is -1.
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Last updated: Fri Oct 24 18:00:01 2025 UTC |
Figured out the problem. It's a one character fix on firebird_statement.c, around line 347. The case when (n < f) must be (n <= f). if (n >= 0) { *len = slprintf(*ptr, CHAR_BUF_LEN, "%" LL_MASK "d.%0*" LL_MASK "d", n / f, -var->sqlscale, n % f); } else if (n <= -f) { *len = slprintf(*ptr, CHAR_BUF_LEN, "%" LL_MASK "d.%0*" LL_MASK "d", n / f, -var->sqlscale, -n % f); } else { *len = slprintf(*ptr, CHAR_BUF_LEN, "-0.%0*" LL_MASK "d", -var->sqlscale, -n % f); } If needed by the developers, I'll try and make a patch available.may be related problem, but is not fixed by patch "around line 347" /* procedure text create or alter procedure TESTPROC returns ( RES numeric(15,2)) as begin /* Procedure Text */ res=15123.23; suspend; end */ $q="Select * from testproc"; $sth=$pdo->query($q); $row=$sth->fetch(PDO::FETCH_ASSOC); print_r($row); Outputs random number, like: Array ( [RES] => 1396457606527.04 ) istead of Array ( [RES] => 15123.23 )