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【DM版本】: DM8
【操作系统】：centos7
【CPU】:
【问题描述】*：数据库脚本导入失败，之前该脚本在其他达梦数据库中，是导入成功的

CREATE TABLE "T_REALORDERTRADEDETAIL"
(
"ID" NUMBER(38,0) NOT NULL,
"TRADEOBJID" NUMBER(38,0) NOT NULL,
"BROKERID" VARCHAR2(128) NULL,
"INVESTORID" VARCHAR2(128) NOT NULL,
"INSTRUMENTID" VARCHAR2(128) NOT NULL,
"ORDERREF" VARCHAR2(32) NULL,
"USERID" VARCHAR2(128) NULL,
"EXCHANGEID" VARCHAR2(32) NOT NULL,
"TRADEID" VARCHAR2(64) NULL,
"DIRECTION" CHAR(1) NOT NULL,
"ORDERSYSID" VARCHAR2(64) NOT NULL,
"PARTICIPANTID" VARCHAR2(128) NULL,
"CLIENTID" VARCHAR2(128) NULL,
"TRADINGROLE" CHAR(1) NULL,
"EXCHANGEINSTID" VARCHAR2(32) NULL,
"OFFSETFLAG" CHAR(1) NOT NULL,
"HEDGEFLAG" CHAR(1) NULL,
"PRICE" NUMBER NOT NULL,
"VOLUME" NUMBER(38,0) NOT NULL,
"TRADEDATE" VARCHAR2(9) NOT NULL,
"TRADETIME" VARCHAR2(9) NOT NULL,
"TRADETYPE" CHAR(1) NULL,
"PRICESOURCE" CHAR(1) NULL,
"TRADERID" VARCHAR2(64) NULL,
"ORDERLOCALID" VARCHAR2(13) NULL,
"CLEARINGPARTID" VARCHAR2(11) NULL,
"BUSINESSUNIT" VARCHAR2(21) NULL,
"SEQUENCENO" NUMBER(38,0) NULL,
"TRADINGDAY" NUMBER(38,0) NOT NULL,
"SETTLEMENTID" NUMBER(38,0) NULL,
"BROKERORDERSEQ" NUMBER(38,0) NULL,
"COMMISSION" NUMBER DEFAULT 0
NULL,
"CLOSEPROFIT" NUMBER DEFAULT 0
NULL,
"CLOSEPROFIT2" NUMBER DEFAULT 0
NULL
);

ALTER TABLE "T_REALORDERTRADEDETAIL" ADD CONSTRAINT "SYS_C0029864" PRIMARY KEY("ID") ;
ALTER TABLE "T_REALORDERTRADEDETAIL" ADD CONSTRAINT "CONS134219922" UNIQUE("TRADEOBJID","TRADEID","EXCHANGEID","TRADINGDAY","ORDERSYSID") ;

[执行语句4302]:
ALTER TABLE "T_REALORDERTRADEDETAIL" ADD CONSTRAINT "CONS134219922" UNIQUE("TRADEOBJID","TRADEID","EXCHANGEID","TRADINGDAY","ORDERSYSID") ;
执行失败(语句4302)
-2109: 第1 行附近出现错误:
无效的约束名[CONS134219922]