用存儲(chǔ)過程創(chuàng)建數(shù)據(jù)表:
創(chuàng)建時(shí)注意必須添加authid current_user，如果創(chuàng)建的表已存在，存儲(chǔ)過程繼續(xù)執(zhí)行，但如不不加此關(guān)鍵語句，存儲(chǔ)過程將出現(xiàn)異常，
這個(gè)語句相當(dāng)于賦權(quán)限。
例1
創(chuàng)建語句如下：
復(fù)制代碼代碼如下:
create or replace
procedure sp_create_mnl(i_id varchar2) authid current_user as
/*********************************
名稱：sp_create_mnl
功能描述：創(chuàng)建模擬量歷史數(shù)據(jù)存儲(chǔ)表
修訂記錄：
版本號(hào) 編輯時(shí)間 編輯人 修改描述
1.0.0 2012-9-20 wylaok 1.創(chuàng)建此存儲(chǔ)過程
1.0.1 2012-9-21 wylaok 2.修改表名稱及變量名稱，增加必要注釋
入?yún)⒊鰠⒚枋觯?nbsp;
i_id 測(cè)點(diǎn)編號(hào)
**********************************/
v_tablename varchar2(30);--表名
v_flag number(10,0);
v_sqlfalg varchar(200);
begin
v_flag:=0;
v_tablename:=CONCAT('MNL', UPPER(i_id));
v_sqlfalg:='select count(*) from user_TABLES where table_name='''||v_tablename||'''';
dbms_output.put_line(v_sqlfalg);
execute immediate v_sqlfalg into v_flag;
if v_flag=0 then --如果沒有這個(gè)表 則去創(chuàng)建
begin
execute immediate 'create table '||v_tablename ||'
( DATETIME DATE,
MIN00 FLOAT,
AGV00 FLOAT,
MAX00 FLOAT,
MIN05 FLOAT,
AVG05 FLOAT,
MAX05 FLOAT,
MIN10 FLOAT,
AGV10 FLOAT,
MAX10 FLOAT,
MIN15 FLOAT,
AGV15 FLOAT,
MAX15 FLOAT,
MIN20 FLOAT,
AGV20 FLOAT,
MAX20 FLOAT,
MIN25 FLOAT,
AGV25 FLOAT,
MAX25 FLOAT,
MIN30 FLOAT,
AGV30 FLOAT,
MAX30 FLOAT,
MIN35 FLOAT,
AGV35 FLOAT,
MAX35 FLOAT,
MIN40 FLOAT,
AGV40 FLOAT,
MAX40 FLOAT,
MIN45 FLOAT,
AGV45 FLOAT,
MAX45 FLOAT,
MIN50 FLOAT,
AGV50 FLOAT,
MAX50 FLOAT,
MIN55 FLOAT,
AGV55 FLOAT,
MAX55 FLOAT,
MINV FLOAT,
MAXV FLOAT,
AVGV FLOAT,
MAXTIME DATE,
MINTIME DATE
)
tablespace WYG
pctfree 10
initrans 1
maxtrans 255
storage
(
initial 512K
next 512K
minextents 1
maxextents unlimited
pctincrease 0
)';
-- execute immediate sqlstr;
end;
end if;
end;
調(diào)用此存儲(chǔ)過程：
復(fù)制代碼代碼如下:
begin
createmnl('mnl_14');
end;
例2
復(fù)制代碼代碼如下:
CREATE OR REPLACE PROCEDURE BIP_MMS_PARTITION_PROC AS
v_Mms_Task_Tab VARCHAR2(50); --表名
v_Mms_Content_Tab VARCHAR2(50);
v_Mms_User_Tab VARCHAR2(50);
v_TableSpace VARCHAR2(20); --表空間
v_PartPreFlag VARCHAR2(50); --分區(qū)名標(biāo)識(shí)
v_SqlCursor NUMBER; --游標(biāo)
v_SqlExec VARCHAR2(2000); --執(zhí)行語句
v_PartPreDate VARCHAR2(20); --分區(qū)日期
v_RangeValue NUMBER;
v_RangeDate NUMBER;
v_Rows NUMBER(30) := 0;
v_Num NUMBER(30) := 0;
vErrInfo VARCHAR2(200);
p_DateFrom NUMBER;
p_PartNum NUMBER;
p_Range NUMBER;
BEGIN
v_Mms_Task_Tab := 'BIP_MMS_MT_TASK_LOG_TAB_TEST';
v_Mms_Content_Tab := 'BIP_MMS_MT_CONTENT_TAB_TEST';
v_Mms_User_Tab := 'BIP_MMS_MT_USER_LOG_TAB_TEST';
-- 讀取配置參數(shù)
BEGIN
SELECT TO_NUMBER(VALUE)
INTO p_DateFrom
FROM BIP_OTHERS_PROPERTIES_TAB
WHERE NAME = 'p_DateFrom';
SELECT TO_NUMBER(VALUE)
INTO p_PartNum
FROM BIP_OTHERS_PROPERTIES_TAB
WHERE NAME = 'p_PartNum';
SELECT TO_NUMBER(VALUE)
INTO p_Range
FROM BIP_OTHERS_PROPERTIES_TAB
WHERE NAME = 'p_Range';
EXCEPTION
WHEN OTHERS THEN
BEGIN
p_DateFrom := 0;
p_PartNum := 1;
p_Range := 180;
END;
END;
--記錄存儲(chǔ)過程添加分區(qū)
INSERT INTO BIP_LOG_STAT_EXEC_TAB
VALUES
(TO_CHAR(SYSDATE, 'yyyymmddhh24miss'),
'BIP_MMS_PARTITION_PROC_ADD',
'BEGIN');
COMMIT;
--ADD PARTITION
FOR i IN 1 .. p_PartNum LOOP
--BIP_MMS_MT_CONTENT_TAB 添加分區(qū)
v_PartPreDate := TO_CHAR(SYSDATE + p_DateFrom + i, 'YYYYMMDD');
dbms_output.put_line(v_PartPreDate);
v_Num := 0;
v_TableSpace := 'BIP_MMS_TS_TEST';
v_PartPreFlag := 'MMS_MT_CONTENT';
SELECT COUNT(*)
INTO v_Num
FROM user_tab_partitions
WHERE table_name = v_Mms_Content_Tab
AND SUBSTR(partition_name, 16, 8) = v_PartPreDate;
IF v_Num < 1 THEN
v_RangeDate := TO_CHAR(SYSDATE + p_DateFrom + i, 'YYYYMMDD');
v_RangeValue := v_RangeDate || '240000';
dbms_output.put_line(v_RangeValue);
v_SqlExec := 'ALTER TABLE ' || v_Mms_Content_Tab || ' ADD PARTITION ' ||
v_PartPreFlag || '_' || v_PartPreDate ||
' VALUES LESS THAN(''' || v_RangeValue ||
''') TABLESPACE ' || v_TableSpace;
dbms_output.put_line(v_SqlExec);
v_SqlCursor := DBMS_SQL.OPEN_CURSOR;
DBMS_SQL.PARSE(v_SqlCursor, v_SqlExec, DBMS_SQL.NATIVE);
v_Rows := DBMS_SQL.EXECUTE(v_SqlCursor);
DBMS_SQL.CLOSE_CURSOR(v_SqlCursor);
END IF;
--BIP_MMS_MT_TASK_LOG_TAB_TEST 添加分區(qū)
v_PartPreDate := TO_CHAR(SYSDATE + p_DateFrom + i, 'YYYYMMDD');
v_Num := 0;
v_TableSpace := 'BIP_MMS_TS_TEST';
v_PartPreFlag := 'MMS_MT_TASK_LOG';
SELECT COUNT(*)
INTO v_Num
FROM user_tab_partitions
WHERE table_name = v_Mms_Task_Tab
AND SUBSTR(partition_name, 17, 8) = v_PartPreDate;
IF v_Num < 1 THEN
v_RangeDate := TO_CHAR(SYSDATE + p_DateFrom + i, 'YYYYMMDD');
v_RangeValue := v_RangeDate || '240000';
v_SqlExec := 'ALTER TABLE ' || v_Mms_Task_Tab || ' ADD PARTITION ' ||
v_PartPreFlag || '_' || v_PartPreDate ||
' VALUES LESS THAN(''' || v_RangeValue ||
''') TABLESPACE ' || v_TableSpace;
dbms_output.put_line(v_SqlExec);
v_SqlCursor := DBMS_SQL.OPEN_CURSOR;
DBMS_SQL.PARSE(v_SqlCursor, v_SqlExec, DBMS_SQL.NATIVE);
v_Rows := DBMS_SQL.EXECUTE(v_SqlCursor);
DBMS_SQL.CLOSE_CURSOR(v_SqlCursor);
END IF;
--BIP_MMS_MT_USER_LOG_TAB_TEST 添加分區(qū)
v_PartPreDate := TO_CHAR(SYSDATE + p_DateFrom + i, 'YYYYMMDD');
v_Num := 0;
v_TableSpace := 'BIP_MMS_TS_TEST';
v_PartPreFlag := 'MMS_MT_USER_LOG';
SELECT COUNT(*)
INTO v_Num
FROM user_tab_partitions
WHERE table_name = v_Mms_User_Tab
AND SUBSTR(partition_name, 17, 8) = v_PartPreDate;
IF v_Num < 1 THEN
v_RangeDate := TO_CHAR(SYSDATE + p_DateFrom + i, 'YYYYMMDD');
v_RangeValue := v_RangeDate || '240000';
v_SqlExec := 'ALTER TABLE ' || v_Mms_User_Tab || ' ADD PARTITION ' ||
v_PartPreFlag || '_' || v_PartPreDate ||
' VALUES LESS THAN(''' || v_RangeValue ||
''') TABLESPACE ' || v_TableSpace;
dbms_output.put_line(v_SqlExec);
v_SqlCursor := DBMS_SQL.OPEN_CURSOR;
DBMS_SQL.PARSE(v_SqlCursor, v_SqlExec, DBMS_SQL.NATIVE);
v_Rows := DBMS_SQL.EXECUTE(v_SqlCursor);
DBMS_SQL.CLOSE_CURSOR(v_SqlCursor);
END IF;
END LOOP;
COMMIT;
INSERT INTO BIP_LOG_STAT_EXEC_TAB
VALUES
(TO_CHAR(SYSDATE, 'yyyymmddhh24miss'), 'BIP_MMS_PARTITION_PROC_ADD', 'END');
COMMIT;
--DELETE PARTITION
INSERT INTO BIP_LOG_STAT_EXEC_TAB
VALUES
(TO_CHAR(SYSDATE, 'yyyymmddhh24miss'),
'BIP_MMS_PARTITION_PROC_DEL',
'BEGIN');
COMMIT;
BEGIN
v_PartPreFlag := 'MMS_MT_CONTENT' || '_' ||
TO_CHAR(SYSDATE - p_Range, 'yyyymmdd');
dbms_output.put_line(v_PartPreFlag);
v_SqlExec := 'ALTER TABLE ' || v_Mms_Content_Tab ||
' TRUNCATE PARTITION ' || v_PartPreFlag;
dbms_output.put_line(v_SqlExec);
v_SqlCursor := DBMS_SQL.OPEN_CURSOR;
DBMS_SQL.PARSE(v_SqlCursor, v_SqlExec, DBMS_SQL.NATIVE);
v_Rows := DBMS_SQL.EXECUTE(v_SqlCursor);
DBMS_SQL.CLOSE_CURSOR(v_SqlCursor);
dbms_output.put_line(v_PartPreFlag || ' truncated');
v_SqlExec := 'ALTER TABLE ' || v_Mms_Content_Tab || ' DROP PARTITION ' ||
v_PartPreFlag;
dbms_output.put_line(v_SqlExec);
v_SqlCursor := DBMS_SQL.OPEN_CURSOR;
DBMS_SQL.PARSE(v_SqlCursor, v_SqlExec, DBMS_SQL.NATIVE);
v_Rows := DBMS_SQL.EXECUTE(v_SqlCursor);
DBMS_SQL.CLOSE_CURSOR(v_SqlCursor);
dbms_output.put_line(v_PartPreFlag || ' dropped');
END;
BEGIN
v_PartPreFlag := 'MMS_MT_TASK_LOG' || '_' ||
TO_CHAR(SYSDATE - p_Range, 'yyyymmdd');
dbms_output.put_line(v_PartPreFlag);
v_SqlExec := 'ALTER TABLE ' || v_Mms_Task_Tab || ' TRUNCATE PARTITION ' ||
v_PartPreFlag;
dbms_output.put_line(v_SqlExec);
v_SqlCursor := DBMS_SQL.OPEN_CURSOR;
DBMS_SQL.PARSE(v_SqlCursor, v_SqlExec, DBMS_SQL.NATIVE);
v_Rows := DBMS_SQL.EXECUTE(v_SqlCursor);
DBMS_SQL.CLOSE_CURSOR(v_SqlCursor);
dbms_output.put_line(v_PartPreFlag || ' truncated');
v_SqlExec := 'ALTER TABLE ' || v_Mms_Task_Tab || ' DROP PARTITION ' ||
v_PartPreFlag;
v_SqlCursor := DBMS_SQL.OPEN_CURSOR;
DBMS_SQL.PARSE(v_SqlCursor, v_SqlExec, DBMS_SQL.NATIVE);
v_Rows := DBMS_SQL.EXECUTE(v_SqlCursor);
DBMS_SQL.CLOSE_CURSOR(v_SqlCursor);
dbms_output.put_line(v_PartPreFlag || ' dropped');
END;
BEGIN
v_PartPreFlag := 'MMS_MT_USER_LOG' || '_' ||
TO_CHAR(SYSDATE - p_Range, 'yyyymmdd');
dbms_output.put_line(v_PartPreFlag);
v_SqlExec := 'ALTER TABLE ' || v_Mms_User_Tab || ' TRUNCATE PARTITION ' ||
v_PartPreFlag;
dbms_output.put_line(v_SqlExec);
v_SqlCursor := DBMS_SQL.OPEN_CURSOR;
DBMS_SQL.PARSE(v_SqlCursor, v_SqlExec, DBMS_SQL.NATIVE);
v_Rows := DBMS_SQL.EXECUTE(v_SqlCursor);
DBMS_SQL.CLOSE_CURSOR(v_SqlCursor);
dbms_output.put_line(v_PartPreFlag || ' truncated');
v_SqlExec := 'ALTER TABLE ' || v_Mms_User_Tab || ' DROP PARTITION ' ||
v_PartPreFlag;
v_SqlCursor := DBMS_SQL.OPEN_CURSOR;
DBMS_SQL.PARSE(v_SqlCursor, v_SqlExec, DBMS_SQL.NATIVE);
v_Rows := DBMS_SQL.EXECUTE(v_SqlCursor);
DBMS_SQL.CLOSE_CURSOR(v_SqlCursor);
dbms_output.put_line(v_PartPreFlag || ' dropped');
END;
COMMIT;
INSERT INTO BIP_LOG_STAT_EXEC_TAB
VALUES
(TO_CHAR(SYSDATE, 'yyyymmddhh24miss'),
'BIP_MMS_PARTITION_PROC_DEL',
'END');
COMMIT;
EXCEPTION
WHEN OTHERS THEN
BEGIN
ROLLBACK;
dbms_output.put_line(TO_CHAR(SQLCODE));
vErrInfo := SUBSTR(SQLERRM, 1, 200);
dbms_output.put_line(TO_CHAR(vErrInfo));
INSERT INTO BIP_LOG_STAT_EXEC_TAB
VALUES
(TO_CHAR(SYSDATE, 'yyyymmddhh24miss'),
'BIP_MMS_PARTITION_PROC_ERROR',
vErrInfo);
COMMIT;
END;
end bip_mms_partition_proc;
