一、创建存储过程,可以直接使用
(1)通过sql developer 之间创建存储过程,直接复制粘贴即可
CREATE OR REPLACE PROCEDURE SQL_TO_CSV
(
P_QUERY IN VARCHAR2, -- PLSQL文
P_DIR IN VARCHAR2, -- 导出的文件放置目录
P_FILENAME IN VARCHAR2 -- CSV名
)
IS
L_OUTPUT UTL_FILE.FILE_TYPE;
L_THECURSOR INTEGER DEFAULT DBMS_SQL.OPEN_CURSOR;
L_COLUMNVALUE VARCHAR2(4000);
L_STATUS INTEGER;
L_COLCNT NUMBER := 0;
L_SEPARATOR VARCHAR2(1);
L_DESCTBL DBMS_SQL.DESC_TAB;
P_MAX_LINESIZE NUMBER := 32000;
BEGIN
--OPEN FILE
L_OUTPUT := UTL_FILE.FOPEN(P_DIR, P_FILENAME, 'W', P_MAX_LINESIZE);
--DEFINE DATE FORMAT
EXECUTE IMMEDIATE 'ALTER SESSION SET NLS_DATE_FORMAT=''YYYY-MM-DD HH24:MI:SS''';
--OPEN CURSOR
DBMS_SQL.PARSE(L_THECURSOR, P_QUERY, DBMS_SQL.NATIVE);
DBMS_SQL.DESCRIBE_COLUMNS(L_THECURSOR, L_COLCNT, L_DESCTBL);
--DUMP TABLE COLUMN NAME
FOR I IN 1 .. L_COLCNT LOOP
UTL_FILE.PUT(L_OUTPUT,L_SEPARATOR || '"' || L_DESCTBL(I).COL_NAME || '"'); --输出表字段
DBMS_SQL.DEFINE_COLUMN(L_THECURSOR, I, L_COLUMNVALUE, 4000);
L_SEPARATOR := ',';
END LOOP;
UTL_FILE.NEW_LINE(L_OUTPUT); --输出表字段
--EXECUTE THE QUERY STATEMENT
L_STATUS := DBMS_SQL.EXECUTE(L_THECURSOR);
--DUMP TABLE COLUMN VALUE
WHILE (DBMS_SQL.FETCH_ROWS(L_THECURSOR) > 0) LOOP
L_SEPARATOR := '';
FOR I IN 1 .. L_COLCNT LOOP
DBMS_SQL.COLUMN_VALUE(L_THECURSOR, I, L_COLUMNVALUE);
UTL_FILE.PUT(L_OUTPUT,
L_SEPARATOR || '"' ||
TRIM(BOTH ' ' FROM REPLACE(L_COLUMNVALUE, '"', '""')) || '"');
L_SEPARATOR := ',';
END LOOP;
UTL_FILE.NEW_LINE(L_OUTPUT);
END LOOP;
--CLOSE CURSOR
DBMS_SQL.CLOSE_CURSOR(L_THECURSOR);
--CLOSE FILE
UTL_FILE.FCLOSE(L_OUTPUT);
EXCEPTION
WHEN OTHERS THEN
RAISE;
END;
(2)进行测试,执行sql
create or replace directory OUT_PATH as 'D:\';
EXEC sql_to_csv('select * from DSJ_ZXJC_ZBYQ_XY','OUT_PATH','ODS_MDS.DSJ_ZXJC_ZBYQ_XY.csv');
(3)测试成功后,即可进行对特有条件的筛选并进行导出
--SET serveroutput ON;
CREATE OR REPLACE directory OUT_PATH
AS
'D:\anliku800';
DECLARE
CURSOR T_DT_GASINOIL_cursor
IS
--SELECT DISTINCT sbbm FROM T_DT_GASINOIL;
SELECT DISTINCT sbbm
FROM
(SELECT tb.*
FROM ggy.t_dt_gasinoil tb,
(SELECT DISTINCT sbbm,
COUNT(*)
FROM ggy.t_dt_gasinoil t
GROUP BY (sbbm)
HAVING COUNT(*) > 800
) tmp
WHERE tmp.sbbm=tb.sbbm
);
BEGIN
FOR T_DT_record IN T_DT_GASINOIL_cursor
LOOP
--DBMS_OUTPUT.PUT_LINE(T_DT_record.sbbm);
-- sql_to_csv('select * from T_DT_GASINOIL where sbbm =''||09M00120060005362||''','OUT_PATH','ODS_MDS.'||T_DT_record.sbbm||'.csv');
sql_to_csv('select * from T_DT_GASINOIL where sbbm ='''||T_DT_record.sbbm||'''','OUT_PATH','ODS_MDS.'||T_DT_record.sbbm||'.csv');
END LOOP;
END;