Question

我正在使用OracleBulkCopy将记录分批插入到Oracle数据库中。在我的表中，第一批插入了重复记录，但下一个记录失败。第一批也应该失败，因为它不应该允许重复的条目！您可以在下面找到我的表格＆＃39;创建脚本＆＃39; （我删除了一些字段）。

有什么想法吗？

--------------------------------------------------------
--  DDL for Table CHEQUES
--------------------------------------------------------

  CREATE TABLE "DBOUSB"."CHEQUES" 
   (    "RECORDID" NUMBER(38,2), 
    "CHEQUE_NUMBER" VARCHAR2(8 CHAR), 
    "SCANNING_DATE" VARCHAR2(19 CHAR), 
   ) SEGMENT CREATION IMMEDIATE 
  PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 
 NOCOMPRESS LOGGING
  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1
  BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
  TABLESPACE "USERS" 
 LOB ("MSGNUMBERS") STORE AS BASICFILE (
  TABLESPACE "USERS" ENABLE STORAGE IN ROW CHUNK 8192 RETENTION 
  NOCACHE LOGGING 
  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1
  BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)) 
 LOB ("DOCSTYPE") STORE AS BASICFILE (
  TABLESPACE "USERS" ENABLE STORAGE IN ROW CHUNK 8192 RETENTION 
  NOCACHE LOGGING 
  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1
  BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)) 
 LOB ("DOCSPAGESTYPE") STORE AS BASICFILE (
  TABLESPACE "USERS" ENABLE STORAGE IN ROW CHUNK 8192 RETENTION 
  NOCACHE LOGGING 
  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1
  BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)) 
 LOB ("IMAGESLINK") STORE AS BASICFILE (
  TABLESPACE "USERS" ENABLE STORAGE IN ROW CHUNK 8192 RETENTION 
  NOCACHE LOGGING 
  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1
  BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)) 
 LOB ("IMAGES") STORE AS BASICFILE (
  TABLESPACE "USERS" ENABLE STORAGE IN ROW CHUNK 8192 RETENTION 
  NOCACHE LOGGING 
  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1
  BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)) ;
--------------------------------------------------------
--  DDL for Index CHEQUES_PK
--------------------------------------------------------

  CREATE UNIQUE INDEX "DBOUSB"."CHEQUES_PK" ON "DBOUSB"."CHEQUES" ("RECORDID") 
  PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS 
  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1
  BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
  TABLESPACE "USERS" ;
  ALTER INDEX "DBOUSB"."CHEQUES_PK"  UNUSABLE;
--------------------------------------------------------
--  Constraints for Table CHEQUES
--------------------------------------------------------

  ALTER TABLE "DBOUSB"."CHEQUES" ADD CONSTRAINT "CHEQUES_PK" PRIMARY KEY ("RECORDID")
  USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS 
  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1
  BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
  TABLESPACE "USERS" 
  ALTER INDEX "DBOUSB"."CHEQUES_PK"  UNUSABLE; ENABLE;
  ALTER TABLE "DBOUSB"."CHEQUES" MODIFY ("RECORDID" NOT NULL ENABLE);

Answer 1

我怀疑您cheques_pk索引处于unusable状态的问题很麻烦。

即使存在主键和唯一索引，Oracle也允许重复记录

1 个答案: