w同结构表读写合并。

 DROP PROCEDURE IF EXISTS w_ww_amzasin;
DELIMITER /w/
CREATE PROCEDURE w_ww_amzasin()
BEGIN
DECLARE done INT DEFAULT FALSE;
DECLARE w_asin VARCHAR(16);
DECLARE w_country VARCHAR(6);
DECLARE wcur CURSOR FOR
SELECT asin,country FROM grab_amzreviews_asins
UNION DISTINCT
SELECT asin,country FROM grab_amzsimilar_seller_asins
UNION DISTINCT
SELECT asin,country FROM grab_amzlisting
WHERE CONCAT(asin,LOWER(country)) NOT IN
(SELECT CONCAT(asin,LOWER(country)) FROM amzasin) ;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; OPEN wcur;
read_loop: LOOP
FETCH wcur INTO w_asin,w_country;
IF done THEN LEAVE read_loop;
END IF;
SET @w_nothhtps='www.amazon.';
SET @w_most=CONCAT(LOWER(w_country),'/product/dp/',w_asin);
CASE LOWER(w_country)
WHEN 'ca' THEN SELECT 'w';
WHEN 'in' THEN SELECT 'w';
WHEN 'es' THEN SELECT 'w';
WHEN 'it' THEN SELECT 'w';
WHEN 'fr' THEN SELECT 'w'; WHEN 'jp' THEN SET @w_most=CONCAT('co.',@w_most);
WHEN 'uk' THEN SET @w_most=CONCAT('co.',@w_most); WHEN 'mx' THEN SET @w_most=CONCAT('com.',@w_most); WHEN 'us' THEN SET @w_most=CONCAT('com/gp/product/',w_asin);
ELSE
BEGIN
END;
END CASE; SET @w_nothhtps=CONCAT(@w_nothhtps,@w_most);
SET @wtmp = CONCAT('INSERT INTO amzasin (asin,country,url) VALUES ( "',w_asin,'","',w_country,'","',@w_nothhtps,'")');
PREPARE stmt FROM @wtmp ;
EXECUTE stmt ;
DROP PREPARE stmt;
END LOOP;
CLOSE wcur;
END/w/
DELIMITER;
CALL w_ww_amzasin( ); DROP PROCEDURE IF EXISTS w_ww_amzasin;
DELIMITER /w/
CREATE PROCEDURE w_ww_amzasin()
BEGIN
DECLARE done INT DEFAULT FALSE;
DECLARE w_asin VARCHAR(16);
DECLARE w_country VARCHAR(6);
DECLARE wcur CURSOR FOR SELECT asin,country FROM grab_amzlisting WHERE CONCAT(asin,LOWER(country)) NOT IN (SELECT CONCAT(asin,LOWER(country)) FROM amzasin );
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; OPEN wcur;
read_loop: LOOP
FETCH wcur INTO w_asin,w_country;
IF done THEN LEAVE read_loop;
END IF;
SET @w_nothhtps='www.amazon.';
SET @w_most=CONCAT(LOWER(w_country),'/product/dp/',w_asin);
CASE LOWER(w_country)
WHEN 'ca' THEN SELECT 'w';
WHEN 'in' THEN SELECT 'w';
WHEN 'es' THEN SELECT 'w';
WHEN 'it' THEN SELECT 'w';
WHEN 'fr' THEN SELECT 'w'; WHEN 'jp' THEN SET @w_most=CONCAT('co.',@w_most);
WHEN 'uk' THEN SET @w_most=CONCAT('co.',@w_most); WHEN 'mx' THEN SET @w_most=CONCAT('com.',@w_most); WHEN 'us' THEN SET @w_most=CONCAT('com/gp/product/',w_asin);
ELSE
BEGIN
END;
END CASE; SET @w_nothhtps=CONCAT(@w_nothhtps,@w_most);
SET @wtmp = CONCAT('INSERT INTO amzasin (asin,country,url) VALUES ( "',w_asin,'","',w_country,'","',@w_nothhtps,'")');
PREPARE stmt FROM @wtmp ;
EXECUTE stmt ;
DROP PREPARE stmt;
END LOOP;
CLOSE wcur;
END/w/
DELIMITER;
CALL w_ww_amzasin( ); DROP PROCEDURE IF EXISTS w_ww_amzasin;
DELIMITER /w/
CREATE PROCEDURE w_ww_amzasin()
BEGIN
DECLARE done INT DEFAULT FALSE;
DECLARE w_asin VARCHAR(16);
DECLARE w_country VARCHAR(6);
DECLARE wcur CURSOR FOR SELECT asin,country FROM grab_amzsimilar_seller_asins WHERE CONCAT(asin,LOWER(country)) NOT IN (SELECT CONCAT(asin,LOWER(country)) FROM amzasin );
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; OPEN wcur;
read_loop: LOOP
FETCH wcur INTO w_asin,w_country;
IF done THEN LEAVE read_loop;
END IF;
SET @w_nothhtps='www.amazon.';
SET @w_most=CONCAT(LOWER(w_country),'/product/dp/',w_asin);
CASE LOWER(w_country)
WHEN 'ca' THEN SELECT 'w';
WHEN 'in' THEN SELECT 'w';
WHEN 'es' THEN SELECT 'w';
WHEN 'it' THEN SELECT 'w';
WHEN 'fr' THEN SELECT 'w'; WHEN 'jp' THEN SET @w_most=CONCAT('co.',@w_most);
WHEN 'uk' THEN SET @w_most=CONCAT('co.',@w_most); WHEN 'mx' THEN SET @w_most=CONCAT('com.',@w_most); WHEN 'us' THEN SET @w_most=CONCAT('com/gp/product/',w_asin);
ELSE
BEGIN
END;
END CASE; SET @w_nothhtps=CONCAT(@w_nothhtps,@w_most);
SET @wtmp = CONCAT('INSERT INTO amzasin (asin,country,url) VALUES ( "',w_asin,'","',w_country,'","',@w_nothhtps,'")');
PREPARE stmt FROM @wtmp ;
EXECUTE stmt ;
DROP PREPARE stmt;
END LOOP;
CLOSE wcur;
END/w/
DELIMITER;
CALL w_ww_amzasin( ); DROP PROCEDURE IF EXISTS w_ww_amzasin;
DELIMITER /w/
CREATE PROCEDURE w_ww_amzasin()
BEGIN
DECLARE done INT DEFAULT FALSE;
DECLARE w_asin VARCHAR(16);
DECLARE w_country VARCHAR(6);
DECLARE wcur CURSOR FOR SELECT asin,country FROM grab_amzreviews_asins WHERE CONCAT(asin,LOWER(country)) NOT IN (SELECT CONCAT(asin,LOWER(country)) FROM amzasin );
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; OPEN wcur;
read_loop: LOOP
FETCH wcur INTO w_asin,w_country;
IF done THEN LEAVE read_loop;
END IF;
SET @w_nothhtps='www.amazon.';
SET @w_most=CONCAT(LOWER(w_country),'/product/dp/',w_asin);
CASE LOWER(w_country)
WHEN 'ca' THEN SELECT 'w';
WHEN 'in' THEN SELECT 'w';
WHEN 'es' THEN SELECT 'w';
WHEN 'it' THEN SELECT 'w';
WHEN 'fr' THEN SELECT 'w'; WHEN 'jp' THEN SET @w_most=CONCAT('co.',@w_most);
WHEN 'uk' THEN SET @w_most=CONCAT('co.',@w_most); WHEN 'mx' THEN SET @w_most=CONCAT('com.',@w_most); WHEN 'us' THEN SET @w_most=CONCAT('com/gp/product/',w_asin);
ELSE
BEGIN
END;
END CASE; SET @w_nothhtps=CONCAT(@w_nothhtps,@w_most);
SET @wtmp = CONCAT('INSERT INTO amzasin (asin,country,url) VALUES ( "',w_asin,'","',w_country,'","',@w_nothhtps,'")');
PREPARE stmt FROM @wtmp ;
EXECUTE stmt ;
DROP PREPARE stmt;
END LOOP;
CLOSE wcur;
END/w/
DELIMITER;
CALL w_ww_amzasin( );

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