6000条数据，java下跑了20多分钟了还没跑完，求教如何改进。
String sql = "
select c.BRANCH_CODE || '-' || a.RES_DETAIL_NAME as BRANCH_CODE_NAME,
dic7.member_value || '-' || dic7.member_text as COUNTRY_NAME,
dic38.member_value || '-' || dic38.member_text as WWIC_NAME,
dic11.member_value || '-' || dic11.member_text as LEGAL_STATUS_NAME,
dic15.member_value || '-' || dic15.member_text as RESIDENT_CODE_NAME,
dic12.member_value || '-' || dic12.member_text as PROF_BUSINESS_NAME,
dic16.member_value || '-' || dic16.member_text as GROUP_CODE_NAME,
dic13.member_value || '-' || dic13.member_text as ADVISOR_CODE_NAME,
dic14.member_value || '-' || dic14.member_text as COUNTRY_CODE_NAME,
dic18.member_value || '-' || dic18.member_text as KWG_REP_INDICATOR_NAME,
dic21.member_value || '-' || dic21.member_text as HO_PROF_BUSINESS_CODE_NAME,
dic19.member_value || '-' || dic19.member_text as BANK_CODE_NAME,
dic23.member_value || '-' || dic23.member_text as MNC_CODE_NAME,
dic24.member_value || '-' || dic24.member_text as OWNERSHIP_OF_MNC_NAME,
dic25.member_value || '-' || dic25.member_text as SIZE_CLASSIFICATION_NAME,
dic53.member_value || '-' || dic53.member_text as PRIMARY_CUSTOMER_NAME,
c.*
from ci_idms_basic_master_cmp_log c
left join (select distinct t.RES_DETAIL_VALUE, t.RES_DETAIL_NAME
from view_ci_auth_role_resource t
where role_id in (select role_id
from view_ci_auth_role_user
where user_id = 'admin')
and t.RES_ID = '53') a on a.RES_DETAIL_VALUE =
c.branch_code
left join ci_sys_sov_member dic7 on c.COUNTRY = dic7.member_value
and dic7.group_code = 'IX_COUNTRY'
and dic7.sys_type = 'IDMS'
and dic7.branch_code = '0912'
left join ci_sys_sov_member dic38 on c.WWIC = dic38.member_value
and dic38.group_code = 'IX_WWIC'
and dic38.sys_type = 'IDMS'
and dic38.branch_code = '0912'
left join ci_sys_sov_member dic11 on c.LEGAL_STATUS = dic11.member_value
and dic11.group_code =
'IX_LEGAL_STATUS'
and dic11.sys_type = 'IDMS'
and dic11.branch_code = '0912'
left join ci_sys_sov_member dic15 on c.RESIDENT_CODE =
dic15.member_value
and dic15.group_code =
'IX_RESIDENT_CODE'
and dic15.sys_type = 'IDMS'
and dic15.branch_code = '0912'
left join ci_sys_sov_member dic12 on c.PROF_BUSINESS =
dic12.member_value
and dic12.group_code =
'IX_PROF_BUSINESS'
and dic12.sys_type = 'IDMS'
and dic12.branch_code = '0912'
left join ci_sys_sov_member dic16 on c.GROUP_CODE = dic16.member_value
and dic16.group_code = 'IX_GROUP_CODE'
and dic16.sys_type = 'IDMS'
and dic16.branch_code = '0912'
left join ci_sys_sov_member dic13 on c.ADVISOR_CODE = dic13.member_value
and dic13.group_code =
'IX_ADVISOR_CODE'
and dic13.sys_type = 'IDMS'
and dic13.branch_code = '0912'
left join ci_sys_sov_member dic14 on c.COUNTRY_CODE = dic14.member_value
and dic14.group_code = 'IX_COUNTRY'
and dic14.sys_type = 'IDMS'
and dic14.branch_code = '0912'
left join ci_sys_sov_member dic18 on c.KWG_REP_INDICATOR =
dic18.member_value
and dic18.group_code =
'ALL_KWG_REP_INDICATOR'
and dic18.sys_type = 'IDMS'
and dic18.branch_code = '0912'
left join ci_sys_sov_member dic21 on c.HO_PROF_BUSINESS_CODE =
dic21.member_value
and dic21.group_code =
'IX_HO_PROF_BUSINESS'
and dic21.sys_type = 'IDMS'
and dic21.branch_code = '0912'
left join ci_sys_sov_member dic19 on c.BANK_CODE = dic19.member_value
and dic19.group_code = 'IX_BANK_CODE'
and dic19.sys_type = 'IDMS'
and dic19.branch_code = '0912'
left join ci_sys_sov_member dic23 on c.MNC_CODE = dic23.member_value
and dic23.group_code = 'IX_MNC_CODE'
and dic23.sys_type = 'IDMS'
and dic23.branch_code = '0912'
left join ci_sys_sov_member dic24 on c.OWNERSHIP_OF_MNC =
dic24.member_value
and dic24.group_code = 'IX_COUNTRY'
and dic24.sys_type = 'IDMS'
and dic24.branch_code = '0912'
left join ci_sys_sov_member dic25 on c.SIZE_CLASSIFICATION =
dic25.member_value
and dic25.group_code =
'IX_SIZE_CLASSIFICATION'
and dic25.sys_type = 'IDMS'
and dic25.branch_code = '0912'
left join ci_sys_sov_member dic53 on c.PRIMARY_CUSTOMER =
dic53.member_value
and dic53.group_code = 'ALL_YES_NO'
and dic53.sys_type = 'IDMS'
and dic53.branch_code = '0912'
left join ci_sys_sov_member dic55 on c.P1G_ZONE = dic55.member_value
and dic55.group_code = 'ALL_A_B'
and dic55.sys_type = 'IDMS'
and dic55.branch_code = '0912'
left join ci_sys_sov_member dic56 on c.COUNTERPARTY_CLASS =
dic56.member_value
and dic56.group_code =
'IX_COUNTERPARTY_CLASS'
and dic56.sys_type = 'IDMS'
and dic56.branch_code = '0912'
left join ci_sys_sov_member dic41 on c.SPECIAL_SPECIAL_IND =
dic41.member_value
and dic41.group_code = 'ALL_YES_NO'
and dic41.sys_type = 'IDMS'
and dic41.branch_code = '0912'
left join ci_sys_sov_member dic45 on c.EX_RATE_FOR_TXNS =
dic45.member_value
and dic45.group_code = 'ALL_S_M'
and dic45.sys_type = 'IDMS'
and dic45.branch_code = '0912'
left join ci_sys_sov_member dic46 on c.EX_RATE_FOR_CHARGES =
dic46.member_value
and dic46.group_code = 'ALL_S_M'
and dic46.sys_type = 'IDMS'
and dic46.branch_code = '0912'
left join ci_sys_sov_member dic44 on c.WAIVE_CHARGE = dic44.member_value
and dic44.group_code = 'ALL_YES_NO'
and dic44.sys_type = 'IDMS'
and dic44.branch_code = '0912'
left join ci_sys_sov_member dic49 on c.STRAIGHT_THRU_PROCESS =
dic49.member_value
and dic49.group_code = 'ALL_YES_NO_E'
and dic49.sys_type = 'IDMS'
and dic49.branch_code = '0912'
where 1 = 1
and c.branch_code = '0912'
order by c.master_number, c.REVISION desc
";
List list = jdbcTemplate.queryForList(sql,ps.toArray());
以上SQL,在本地跑了10多分钟。
其实总共就6000多条数据。
数据量也不大呀，为什么跑这么长的时间呀。
[解决办法]
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