SELECT if(CURTIME() between '09:00:00' AND '21:00:00', 1, 0)

SELECT if(CURTIME() between '' AND '21:00:00', 1, 0)

if(%param is null OR %param='',2,if(CURTIME() between '09:00:00' AND '21:00:00', 1, 0))

proc_start:BEGIN
DECLARE iSchema, iTable VARCHAR(64);
DECLARE i INT;

IF iString = '*' OR iString = '*.*' OR iString = '*.' OR iString = '.*' OR iString = '.' THEN

	SELECT  `table_schema`,`table_name`, `table_rows`, `data_length`, `index_length`,  `auto_increment` 
	FROM `information_schema`.`tables` 
	WHERE table_schema <> 'mysql' AND table_schema <> 'information_schema' AND table_type='BASE TABLE'
	ORDER BY `table_schema`,`table_rows` DESC;

ELSEIF iString = '' THEN	
	SELECT 'use db.table or db.* *.table or *.* (the same *)' as 'INFO';
	
ELSE
	SET i = LOCATE('.',iString);
	
	IF i = 0 THEN	
		SET iSchema = iString;
		SET iTable = '*';
	ELSE
		SET iSchema = SUBSTRING(iString,1,LOCATE('.',iString)-1);
		SET iTable = SUBSTRING(iString,LOCATE('.',iString)+1);
	END IF;
	
	IF iSchema = '' THEN SET iSchema = '*'; END IF;	
	IF iTable = '' THEN SET iTable = '*'; END IF;
	
	IF iSchema = '*' AND iTable = '*' THEN	
		SELECT  `table_schema`,`table_name`, `table_rows`, `data_length`, `index_length`,  `auto_increment` 
		FROM `information_schema`.`tables` 
		WHERE table_schema <> 'mysql' AND table_schema <> 'information_schema' AND table_type='BASE TABLE'
		ORDER BY `table_schema`,`table_rows` DESC;	
	
	ELSEIF iSchema <> '*' AND iTable <> '*' THEN
		SELECT  `table_schema`,`table_name`, `table_rows`, `data_length`, `index_length`,  `auto_increment` 
		FROM `information_schema`.`tables` 
		WHERE table_schema = iSchema AND table_name = iTable
		ORDER BY `table_schema`,`table_rows` DESC;	
	
	ELSEIF iSchema <> '*' THEN
		SELECT  `table_schema`,`table_name`, `table_rows`, `data_length`, `index_length`,  `auto_increment` 
		FROM `information_schema`.`tables` 
		WHERE table_schema = iSchema AND table_type='BASE TABLE'
		ORDER BY `table_schema`,`table_rows` DESC;
	
	ELSEIF iTable <> '*' THEN
		SELECT  `table_schema`,`table_name`, `table_rows`, `data_length`, `index_length`,  `auto_increment` 
		FROM `information_schema`.`tables` 
		WHERE table_schema <> 'mysql' AND table_schema <> 'information_schema' AND table_name = iTable
		ORDER BY `table_schema`,`table_rows` DESC;
	
	ELSE	
		SELECT CONCAT(@iString,' is bad argument','use db.table or db.* or *.* (the same *)') as 'ERROR';
	
	END IF;
	
END IF;

END