Oracle 大表复制方案存储过程实现

Oracle 大表复制方案存储过程实现:

procedure makePayPlayIraBakNew is
v_num number;
begin
vanceinfo.gmac_log_pro.setloginfo（"makePayPlayIraBakNew",
"1114",
"9",
sysdate,
"makePayPlayIraBakNew执行开始"）;
v_num := 0;
select count（1）
into v_num
from user_tables
where table_name = "GMAC_PAYPLAY_IRA_HIS";
if（v_num > 0） then
execute immediate "DROP TABLE GMAC_PAYPLAY_IRA_HIS";
end if;
execute immediate "CREATE TABLE GMAC_PAYPLAY_IRA_HIS AS SELECT * FROM GMAC_PAYPLAY";
vanceinfo.gmac_log_pro.setloginfo（"makePayPlayIraBakNew",
"1114",
"0",
sysdate,
"makePayPlayIraBakNew执行成功结束"）;
exception
when others then
vanceinfo.gmac_log_pro.setloginfo（"makePayPlayIraBakNew",
"1114",
"9",
sysdate,
substr（sqlerrm, 1, 200））;
end makePayPlayIraBakNew;

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