Question

我试图在PostgreSQL数据库中运行以下DML语句：

INSERT INTO HMS_RESERVE_CANCEL_DTL
(DIVISION_CODE,         
  UNIT_CODE,            
  RESERVATION_NO,       
  RESERVATION_DATE,     
  CANCELLATION_NO,
  CANCELLATION_DATE,
  CANCELLED_AT_UNIT,
  CANCELLATION_AMOUNT,
  CANCELLED_BY,
  CANCELLATION_REASON,
  REFUND_AMOUNT,
  POSTED_TO_FAS,
  CANCEL_PER,
  room_type,
  no_of_rooms,
  taxes ) 
values(
  '103',
  '10303',
  'GHA1314HTLRS000157',
  case trim('') when trim('08-05-2013') then null else to_date('08-05-2013','DD-MM-YYYY HH24:MI:SS') end,
  'GHA1314HTLCL000002',
  current_date,
  '10303',
  5200.0,
  '001721',
  'my parsanal',
  '53260.00',
  'N',
  10.0,
  '02',
  '10',
  '10320.0')

以上语句开始但很快失败，并显示以下错误消息：

ERROR: numeric field overflow
SQL state: 22003
Detail: The absolute value is greater than or equal to 10^4 for field with precision 6, scale 2.

请帮我摆脱这个错误（或者至少指出我正确的方向）。我的表（hms_rserve_cancel_dtl）的表结构如下：

CREATE TABLE hms_reserve_cancel_dtl
(
  division_code character varying(3) NOT NULL,
  unit_code character varying(5) NOT NULL,
  reservation_no character varying(20) NOT NULL,
  reservation_date date NOT NULL,
  cancellation_no character varying(20) NOT NULL,
  cancellation_date date NOT NULL,
  cancelled_at_unit character varying(15) NOT NULL,
  cancellation_amount numeric(7,2),
  cancelled_by character varying(35),
  cancellation_reason character varying(200),
  refund_amount numeric(7,2),
  posted_to_fas character(1) DEFAULT 'N'::bpchar,
  posted_date date,
  remarks character varying(200),
  status character(1) DEFAULT 'A'::bpchar,
  cancel_per numeric(7,2),
  room_type character varying(2),
  no_of_rooms character varying(2),
  refund_status character(1),
  refunded_date date,
  taxes numeric(6,2) DEFAULT 0.00,
  CONSTRAINT hms_reserve_cancel_dtl_div_unit_code_fkey FOREIGN KEY (division_code, unit_code)
      REFERENCES aptdc_units_mst (division_code, unit_code) MATCH SIMPLE
      ON UPDATE NO ACTION ON DELETE NO ACTION,
  CONSTRAINT hms_reserve_cancel_dtl_reservation_no_fkey FOREIGN KEY (reservation_no, room_type)
      REFERENCES hms_reservation_mst (reservation_no, room_type) MATCH SIMPLE
      ON UPDATE RESTRICT ON DELETE RESTRICT
) 
WITHOUT OIDS;
ALTER TABLE hms_reserve_cancel_dtl OWNER TO postgres;
GRANT ALL ON TABLE hms_reserve_cancel_dtl TO postgres;

Answer 1

PostgreSQL Docs:

数字的刻度是小数点右侧小数部分的小数位数。数字的精度是整数中有效数字的总数，即小数点两边的位数。所以数字23.5141的精度为6，比例为4.

例如10123.435不适合numeric(4,2)

create table tmp (
   a numeric (8,5)
   );

/* ok */ insert into tmp values (123.12345); 
/* ok */ insert into tmp values (1.1); 
-- this will result in 1.12346, because precicion is set to 5!
insert into tmp values (1.123456); 

/* owerflow */ insert into tmp values (1000); 
-- because of number gets rounded to 5 decimal numbers:
/* owerflow */ insert into tmp values (999.99999999999999999999);

Answer 2

您的纳税字段设计为数字（6,2），表示总共6位数字。小数点前4和后面2。您提供的值在小数点前有5位数，因此它不适合。

Answer 3

您已将税金定义为最多6位数，其中2位于小数部分，这意味着9999.99是您可以插入的最大值。在您的插入中，您尝试插入10320.0，这对于此列来说太大了。

在PostgreSQL中执行INSERT语句时出错？

3 个答案: