（转载）IQ 16.0 SP02起支持从压缩文件直接装载数据到表中

参考文档：

http://m.blog.chinaunix.net/uid-16765068-id-4405877.html http://www.cnblogs.com/lichmama/p/4103048.html

大致过程：

/**
创建测试视图
**/
CREATE VIEW BCPVIEW24 AS
SELECT
TIMEID                   ,
SYSTEM_ID                ,
MSISDN                   ,
CITY_ID                  ,
RECORDTYPE               ,
NETWORKINITIATION        ,
SERVEDIMSI               ,
SERVEDIMEI               ,
SGSNADDRESS              ,
ROUTINGAREA              ,
LOCATIONAREACODE         ,
CELLIDENTITY             ,
CHARGINGID               ,
GGSNADDRESSUSED          ,
ACCESSPOINTNAMENI        ,
PDPTYPE                  ,
SERVEDPDPADDRESS         ,
DATAVOLUMEGPRSUPLINK     ,
DATAVOLUMEGPRSDOWNLINK   ,
RECORDOPENINGTIME        ,
DURATION                 ,
SGSNCHANGE               ,
CAUSEFORRECCLOSING       ,
DIAGNOSTICS              ,
RECORDSEQUENCENUMBER     ,
NODEID                   ,
ACCESSPOINTNAMEOI        ,
SERVED_MSISDN            ,
CHARGING_CHARACTERISTICS ,
RATTYPE                  ,
DYN_ADDR_FLAG            ,
SGSN_PLMN_ID             ,
FILE_NAME                ,
FILE_CHANGE_TIME         ,
SGSN_CITY                ,
RATEVOLUMEGPRSUPLINK     ,
RATEVOLUMEGPRSDOWNLINK   ,
LOCALNUMBER
FROM TABLE_CANNOT_SHOW_24;

/**
导出数据到文本，并压缩
**/
bcp datamark.eastcom.BCPVIEW24 out SGSN24.txt -t'|' -c -Ueastcom -PEastCom\!\$ -Sdatamark
gzip SGSN24.txt

/**
LOAD加载压缩文件
**/
LOAD TABLE TABLE_CANNOT_SHOW_31
(
TIMEID                   ,
SYSTEM_ID                ,
MSISDN                   ,
CITY_ID                  ,
RECORDTYPE               ,
NETWORKINITIATION        ,
SERVEDIMSI               ,
SERVEDIMEI               ,
SGSNADDRESS              ,
ROUTINGAREA              ,
LOCATIONAREACODE         ,
CELLIDENTITY             ,
CHARGINGID               ,
GGSNADDRESSUSED          ,
ACCESSPOINTNAMENI        ,
PDPTYPE                  ,
SERVEDPDPADDRESS         ,
DATAVOLUMEGPRSUPLINK     ,
DATAVOLUMEGPRSDOWNLINK   ,
RECORDOPENINGTIME        ,
DURATION                 ,
SGSNCHANGE               ,
CAUSEFORRECCLOSING       ,
DIAGNOSTICS              ,
RECORDSEQUENCENUMBER     ,
NODEID                   ,
ACCESSPOINTNAMEOI        ,
SERVED_MSISDN            ,
CHARGING_CHARACTERISTICS ,
RATTYPE                  ,
DYN_ADDR_FLAG            ,
SGSN_PLMN_ID             ,
FILE_NAME                ,
FILE_CHANGE_TIME         ,
SGSN_CITY                ,
RATEVOLUMEGPRSUPLINK     ,
RATEVOLUMEGPRSDOWNLINK   ,
LOCALNUMBER
)
FROM '/srcdata/bcp_export/SGSN24.txt.gz'
FORMAT bcp
ESCAPES OFF
QUOTES OFF
DELIMITED BY '|'
WITH CHECKPOINT ON;
COMMIT;

使用须知：

LOAD的时候FORMAT要根据实际情况来，比如我使用bcp导出数据，那么LOAD语句里就指定FORMAT为bcp。如果使用dbisql或其他工具导出，则需要指定FORMAT为ASCII等。

另外，bcp导出默认以'\n'为换行符，所以LOAD时无需指定ROW DELIMITED。