MySQL5.7: Paging using Mysql Stored Proc
Posted ®Geovin Du Dream Park™
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-- 查询外键 涂聚文 (Geovin Du)
select
concat(table_name, ‘.‘, column_name) as ‘foreign key‘,
concat(referenced_table_name, ‘.‘, referenced_column_name) as ‘references‘
from
information_schema.key_column_usage
where
referenced_table_name is not null;
-- 查询外键
select
concat(table_name, ‘.‘, column_name) as ‘foreign key‘,
concat(referenced_table_name, ‘.‘, referenced_column_name) as ‘references‘
from
information_schema.key_column_usage
where
referenced_table_name is not null
and table_schema = ‘geovindu‘;
-- table_name 查询表和视图
SELECT * FROM information_schema.tables
WHERE table_schema = ‘geovindu‘;
-- 表
SELECT * FROM information_schema.tables
WHERE table_schema = ‘geovindu‘ and table_type=‘base table‘;
-- 视图
SELECT * FROM information_schema.tables
WHERE table_schema = ‘geovindu‘ and table_type=‘VIEW‘;
-- 列
SELECT * FROM information_schema.COLUMNS;
-- 主外键
SELECT * FROM information_schema.KEY_COLUMN_USAGE;
SELECT * FROM information_schema.PARAMETERS;
-- 存储过程，自定义函数
SELECT * FROM information_schema.PARAMETERS where Specific_schema=‘geovindu‘;
-- ‘PROCEDURE‘
SELECT * FROM information_schema.PARAMETERS where Specific_schema=‘geovindu‘ and routine_type=‘PROCEDURE‘;
select * from information_schema.ROUTINES where ROUTINE_SCHEMA=‘geovindu‘ and routine_type=‘PROCEDURE‘;
-- ‘FUNCTION‘
SELECT * FROM information_schema.PARAMETERS where Specific_schema=‘geovindu‘ and routine_type=‘FUNCTION‘;
select * from information_schema.ROUTINES where ROUTINE_SCHEMA=‘geovindu‘ and routine_type=‘FUNCTION‘;
SELECT * FROM information_schema.PROCESSLIST;
--
SELECT * FROM information_schema.SCHEMATA;
-- 表，视图
SELECT
TABLE_NAME, ENGINE, VERSION, ROW_FORMAT, TABLE_ROWS, AVG_ROW_LENGTH,
DATA_LENGTH, MAX_DATA_LENGTH, INDEX_LENGTH, DATA_FREE, AUTO_INCREMENT,
CREATE_TIME, UPDATE_TIME, CHECK_TIME, TABLE_COLLATION, CHECKSUM,
CREATE_OPTIONS, TABLE_COMMENT
FROM INFORMATION_SCHEMA.TABLES
WHERE table_schema = ‘geovindu‘;
-- 主键
select * from information_schema.KEY_COLUMN_USAGE;
-- https://dev.mysql.com/doc/refman/8.0/en/keywords-table.html
select * from information_schema.KEYWORDS;
SELECT * FROM INFORMATION_SCHEMA.KEYWORDS;
select
concat(table_name, ‘.‘, column_name) as ‘foreign key‘,
concat(referenced_table_name, ‘.‘, referenced_column_name) as ‘references‘
from
information_schema.key_column_usage
where
referenced_table_name is not null;
select `column_name`, `column_type`, `column_default`, `column_comment`
from `information_schema`.`COLUMNS`
where `table_name` = ‘customerlist‘
and `table_schema` = ‘geovindu‘;
select *
from `information_schema`.`COLUMNS`
where `table_name` = ‘customerlist‘
and `table_schema` = ‘geovindu‘;
select *
from `information_schema`.`COLUMNS`
where `table_schema` = ‘geovindu‘;
-- column_key PRI,MUL，UNI pri 主键，mul 外键
-- EXTRA auto increment 自动增长
-- DATA_TYPE 数据类型
-- 外键表与主表关系
SELECT
`TABLE_SCHEMA`, -- Foreign key schema
`TABLE_NAME`, -- Foreign key table
`COLUMN_NAME`, -- Foreign key column
`REFERENCED_TABLE_SCHEMA`, -- Origin key schema
`REFERENCED_TABLE_NAME`, -- Origin key table
`REFERENCED_COLUMN_NAME` -- Origin key column
FROM
`INFORMATION_SCHEMA`.`KEY_COLUMN_USAGE` -- Will fail if user don‘t have privilege
WHERE
`TABLE_SCHEMA` = SCHEMA() -- Detect current schema in USE
AND `REFERENCED_TABLE_NAME` IS NOT NULL; -- Only tables with foreign keys
--
SELECT * FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE TABLE_SCHEMA = ‘geovindu‘ AND REFERENCED_TABLE_NAME IS NOT NULL;
--
SELECT
count(1) totalrelationships ,
c.table_name tablename,
CONCAT(‘ ‘,GROUP_CONCAT(c.column_name ORDER BY ordinal_position SEPARATOR ‘, ‘)) columnname,
CONCAT(‘ ‘,GROUP_CONCAT(c.column_type ORDER BY ordinal_position SEPARATOR ‘, ‘)) columntype
FROM
information_schema.columns c RIGHT JOIN
(SELECT column_name , column_type FROM information_schema.columns WHERE
-- column_key in (‘PRI‘,‘MUL‘) AND -- uncomment this line if you want to see relations only with indexes
table_schema = DATABASE() AND table_name = ‘productitorderdetails‘) AS p
USING (column_name,column_type)
WHERE
c.table_schema = DATABASE()
-- AND c.table_name != ‘YourTableName‘
GROUP BY tablename
-- HAVING (locate(‘ YourColumnName‘,columnname) > 0) -- uncomment this line to search for specific column
ORDER BY totalrelationships desc, columnname
;
--
SELECT i.TABLE_SCHEMA, i.TABLE_NAME,
i.CONSTRAINT_TYPE, i.CONSTRAINT_NAME,
k.COLUMN_NAME, k.REFERENCED_TABLE_NAME, k.REFERENCED_COLUMN_NAME
FROM information_schema.TABLE_CONSTRAINTS i
LEFT JOIN information_schema.KEY_COLUMN_USAGE k
ON i.CONSTRAINT_NAME = k.CONSTRAINT_NAME
WHERE i.TABLE_SCHEMA = ‘productitorderdetails‘ AND i.CONSTRAINT_TYPE = ‘FOREIGN KEY‘
ORDER BY i.TABLE_NAME;
--
select
concat(table_name, ‘.‘, column_name) as ‘foreign key‘,
concat(referenced_table_name, ‘.‘, referenced_column_name) as ‘references‘,
constraint_name as ‘constraint name‘
from
information_schema.key_column_usage
where
referenced_table_name is not null
and table_schema = ‘geovindu‘;
SELECT CONSTRAINT_NAME, TABLE_NAME, REFERENCED_TABLE_NAME
FROM information_schema.REFERENTIAL_CONSTRAINTS
WHERE CONSTRAINT_SCHEMA = ‘geovindu‘
AND REFERENCED_TABLE_NAME = ‘productitorderdetails‘;
SELECT i.TABLE_SCHEMA, i.TABLE_NAME, i.CONSTRAINT_TYPE, i.CONSTRAINT_NAME, k.REFERENCED_TABLE_NAME, k.REFERENCED_COLUMN_NAME
FROM information_schema.TABLE_CONSTRAINTS i
LEFT JOIN information_schema.KEY_COLUMN_USAGE k ON i.CONSTRAINT_NAME = k.CONSTRAINT_NAME
WHERE i.CONSTRAINT_TYPE = ‘FOREIGN KEY‘
and i.table_schema = ‘geovindu‘;
SELECT i.TABLE_NAME, i.CONSTRAINT_TYPE, i.CONSTRAINT_NAME, k.REFERENCED_TABLE_NAME, k.REFERENCED_COLUMN_NAME
FROM information_schema.TABLE_CONSTRAINTS i
LEFT JOIN information_schema.KEY_COLUMN_USAGE k ON i.CONSTRAINT_NAME = k.CONSTRAINT_NAME
WHERE i.CONSTRAINT_TYPE = ‘FOREIGN KEY‘
AND i.TABLE_SCHEMA = DATABASE()
AND i.TABLE_NAME = ‘productitorderdetails‘;
SELECT *
FROM information_schema.REFERENTIAL_CONSTRAINTS;
SELECT
TABLE_NAME,COLUMN_NAME,CONSTRAINT_NAME, REFERENCED_TABLE_NAME,REFERENCED_COLUMN_NAME
FROM
INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE
REFERENCED_TABLE_SCHEMA = ‘geovindu‘ AND
REFERENCED_TABLE_NAME = ‘productitorderdetails‘;
SELECT
TABLE_NAME,COLUMN_NAME,CONSTRAINT_NAME, REFERENCED_TABLE_NAME,REFERENCED_COLUMN_NAME
FROM
INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE
REFERENCED_TABLE_SCHEMA = ‘geovindu‘ AND
TABLE_NAME = ‘productitorderdetails‘;
select *
from information_schema.TABLES where TABLE_SCHEMA=‘geovindu‘;
-- 主键
select table_name as ‘TableName‘,column_name as ‘FieldName‘,data_type as ‘TypeName‘,ifnull(character_maximum_length,8) as ‘Length‘,is_nullable as ‘IS_NULL‘
from information_schema.columns where table_schema=‘geovindu‘ and column_key=‘PRI‘;
-- 主键 ，有注释
select a.table_name as ‘TableName‘,a.column_name as ‘FieldName‘,a.data_type as ‘TypeName‘,ifnull(a.character_maximum_length,8) as ‘Length‘,a.is_nullable as ‘IS_NULL‘,a.COLUMN_COMMENT,b.TABLE_COMMENT
from information_schema.columns as a,information_schema.TABLES as b
where a.table_schema=‘geovindu‘ and b.table_schema=‘geovindu‘ and column_key=‘PRI‘
and a.table_name=b.table_name;
-- 外键
select table_name as ‘TableName‘,column_name as ‘FieldName‘,data_type as ‘TypeName‘,ifnull(character_maximum_length,8) as ‘Length‘,is_nullable as ‘IS_NULL‘
from information_schema.columns where table_schema=‘geovindu‘ and column_key=‘MUL‘;
SELECT * FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE TABLE_SCHEMA = ‘geovindu‘ AND REFERENCED_TABLE_NAME IS NOT NULL;
select a.table_name as ‘TableName‘,a.column_name as ‘FieldName‘,a.data_type as ‘TypeName‘,ifnull(a.character_maximum_length,8) as ‘Length‘,a.is_nullable as ‘IS_NULL‘, b.REFERENCED_TABLE_NAME,b.REFERENCED_COLUMN_NAME
from information_schema.columns as a,INFORMATION_SCHEMA.KEY_COLUMN_USAGE as b where a.TABLE_NAME=b.TABLE_NAME and a.table_schema=‘geovindu‘ and b.table_schema=‘geovindu‘ and a.column_key=‘MUL‘
AND b.REFERENCED_TABLE_NAME IS NOT NULL;
-- 自表外键 列有注释
select a.table_name as ‘TableName‘,a.column_name as ‘FieldName‘,a.data_type as ‘TypeName‘,ifnull(a.character_maximum_length,8) as ‘Length‘,a.is_nullable as ‘IS_NULL‘,a.COLUMN_COMMENT,b.REFERENCED_TABLE_NAME,b.REFERENCED_COLUMN_NAME
from information_schema.columns as a,INFORMATION_SCHEMA.KEY_COLUMN_USAGE as b where a.table_name=b.TABLE_NAME and a.COLUMN_NAME=b.COLUMN_NAME and a.table_schema=‘geovindu‘ and b.table_schema=‘geovindu‘
and a.column_key=‘MUL‘
AND b.REFERENCED_TABLE_NAME IS NOT NULL and a.table_name=‘productorderdetails‘;
-- 主表的主键作的外键表 列有注释
select a.table_name as ‘TableName‘,a.column_name as ‘FieldName‘,a.data_type as ‘TypeName‘,ifnull(a.character_maximum_length,8) as ‘Length‘,a.is_nullable as ‘IS_NULL‘,a.COLUMN_COMMENT, b.REFERENCED_TABLE_NAME,b.REFERENCED_COLUMN_NAME
from information_schema.columns as a,INFORMATION_SCHEMA.KEY_COLUMN_USAGE as b where a.TABLE_NAME=b.TABLE_NAME and a.COLUMN_NAME=b.COLUMN_NAME and a.table_schema=‘geovindu‘ and b.table_schema=‘geovindu‘ and a.column_key=‘MUL‘
AND b.REFERENCED_TABLE_NAME IS NOT NULL and b.REFERENCED_TABLE_NAME=‘unitlist‘;
-- 表
select table_name as ‘TableName‘,column_name as ‘FieldName‘,data_type as ‘TypeName‘,ifnull(character_maximum_length,8) as ‘Length‘,is_nullable as ‘IS_NULL‘
from information_schema.columns where table_schema=‘geovindu‘ and column_key=‘PRI‘ and table_name=(‘orderdetails‘);
-- 表
select column_name as ‘FieldName‘,data_type as ‘FieldType‘,ifnull(character_maximum_length,8) as ‘FieldLength‘ from information_schema.columns where table_schema=‘geovindu‘ and table_name=(‘orderdetails‘);
-- 表,列表有注释
select a.column_name as ‘FieldName‘,a.data_type as ‘FieldType‘,ifnull(a.character_maximum_length,8) as ‘FieldLength‘,a.COLUMN_COMMENT,b.TABLE_COMMENT from information_schema.columns as a,information_schema.TABLES as b
where a.table_schema=‘geovindu‘ and b.table_schema=‘geovindu‘ and a.TABLE_NAME=b.TABLE_NAME and a.table_name=(‘orderdetails‘);
select *
from information_schema.columns where table_schema=‘geovindu‘ and column_key=‘PRI‘ and table_name=(‘orderdetails‘);
-- UNI
select table_name as ‘TableName‘,column_name as ‘FieldName‘,data_type as ‘TypeName‘,ifnull(character_maximum_length,8) as ‘Length‘,is_nullable as ‘IS_NULL‘
from information_schema.columns where table_schema=‘geovindu‘ and column_key=‘UNI‘;
-- 查表的描述
select TABLE_COMMENT from information_schema.TABLES where table_schema=‘geovindu‘ and table_name=(‘orderdetails‘);
select a.column_name as ‘FieldName‘,a.data_type as ‘FieldType‘,ifnull(a.character_maximum_length,8) as ‘FieldLength‘,a.COLUMN_COMMENT,b.TABLE_COMMENT from information_schema.columns as a,information_schema.TABLES as b where a.table_schema=‘geovindu‘ and b.table_schema=‘geovindu‘ and a.TABLE_NAME=b.TABLE_NAME and a.table_name=(‘enterprisetype‘);
-- MySQL5.7 2018-09-28
-- Geovin Du 涂聚文 edit
#查询函数，存储过程
SELECT * FROM mysql.proc WHERE db=‘geovindu‘;
SELECT * FROM information_schema.routines WHERE routine_schema=‘geovindu‘;
SHOW PROCEDURE STATUS WHERE db=‘geovindu‘;
#查看存储过程详细信息
SHOW CREATE PROCEDURE geovindu.DeleteBookKind;
-- 存储过程，自定义函数
SELECT * FROM information_schema.PARAMETERS where Specific_schema=‘geovindu‘;
-- ‘PROCEDURE‘
SELECT * FROM information_schema.PARAMETERS where Specific_schema=‘geovindu‘ and routine_type=‘PROCEDURE‘;
select * from information_schema.ROUTINES where ROUTINE_SCHEMA=‘geovindu‘ and routine_type=‘PROCEDURE‘;
-- ‘FUNCTION‘
SELECT * FROM information_schema.PARAMETERS where Specific_schema=‘geovindu‘ and routine_type=‘FUNCTION‘;
select * from information_schema.ROUTINES where ROUTINE_SCHEMA=‘geovindu‘ and routine_type=‘FUNCTION‘;
DROP PROCEDURE IF EXISTS `sp_splitpage`;
-- ok
DELIMITER $$
CREATE PROCEDURE `sp_splitpage`(
in _pagecurrent int,/*当前页*/
in _pagesize int,/*每页的记录数*/
in _ifelse varchar(1000),/*显示字段*/
in _where varchar(1000),/*条件*/
in _order varchar(1000) /*排序*/
)
COMMENT ‘分页存储过程‘
BEGIN
declare strsql varchar(1000);
if _pagesize<=1 then
set _pagesize=20;
end if;
if _pagecurrent < 1 then
set _pagecurrent = 1;
end if;
set @strsql = concat(‘select ‘,_ifelse,‘ from ‘,_where,‘ ‘,_order,‘ limit ‘,_pagecurrent*_pagesize-_pagesize,‘,‘,_pagesize);
prepare stmtsql from @strsql;
execute stmtsql;
deallocate prepare stmtsql;
set @strsqlcount=concat(‘select count(1) as count from ‘,_where);/*count(1) 这个字段最好是主键*/
prepare stmtsqlcount from @strsqlcount;
execute stmtsqlcount;
deallocate prepare stmtsqlcount;
END$$
DELIMITER ;
/*
--名称：MYSQL版查询分页存储过程 by peace 2013-8-14
--输入参数：@fields -- 要查询的字段用逗号隔开
--输入参数：@tables -- 要查询的表
--输入参数：@where -- 查询条件
--输入参数：@orderby -- 排序字段
--输出参数：@page -- 当前页计数从1开始
--输出参数：@pagesize -- 每页大小
--输出参数：@totalcount -- 总记录数
--输出参数：@pagecount -- 总页数
*/
-- ok
DROP PROCEDURE IF EXISTS `Query_Pagination`;
DELIMITER $$
CREATE PROCEDURE Query_Pagination
(
in _fields varchar(2000),
in _tables text,
in _where varchar(2000),
in _orderby varchar(200),
in _pageindex int,
in _pagesize int,
in _sumfields varchar(200),/*增加统计字段2013-5-8 peaceli*/
out _totalcount int ,
out _pagecount int
)COMMENT ‘分页存储过程‘
begin
declare startRow int;
declare pageSize int;
declare rowindex int;
declare strsql varchar(1000);
set startRow = _pagesize*(_pageindex-1);
set pageSize = _pagesize;
set rowindex = 0;
set strsql = CONCAT(‘select sql_calc_found_rows @rowindex:[email protected]+1 as rownumber,‘,_fields,‘ from ‘,_tables,case ifnull(_where,‘‘) when ‘‘ then ‘‘ else concat(‘ where ‘,_where) end,‘ order by ‘,_orderby,‘ limit ‘,@startRow,‘,‘,@pageSize);
prepare strsql from @strsql;
execute strsql;
deallocate prepare strsql;
set _totalcount = found_rows();
if(_totalcount <= _pagesize) then
set _pagecount = 1;
else if(_totalcount % _pagesize > 0) then
set _pagecount = _totalcount / _pagesize + 1;
else
set _pagecount = _totalcount / _pagesize;
end if;
if(ifnull(_sumfields,‘‘) <> ‘‘) then
set @sumsql = contact(‘select ‘,_sumfields,‘ from ‘,_tables,case ifnull(_where,‘‘) when ‘‘ then ‘‘ else concat(‘ where ‘,_where) end);
prepare sumsql from @sumsql;
execute sumsql;
deallocate prepare sumsql;
end if;
end if;
end$$
DELIMITER ;
/*test"
CALL sp_viewPage(
‘*‘#查询字段
,‘userupdatelog‘#表名
,‘1=1‘#条件
,‘Id desc‘#排序
,1 #页码
,20 #每页记录数
,@totalcount #输出总记录数
,@pagecount #输出用页数
);
SELECT @totalcount,@pagecount;
*/
DROP PROCEDURE IF EXISTS `sp_viewPage`;
-- OK
DELIMITER $$
CREATE PROCEDURE sp_viewPage(
_fields VARCHAR(1000), #要查询的字段，用逗号(,)分隔
_tables TEXT, #要查询的表
_where VARCHAR(2000), #查询条件
_orderby VARCHAR(200), #排序规则
_pageindex INT, #查询页码
_pageSize INT, #每页记录数
/*_sumfields VARCHAR(200),#求和字段 */
#输出参数
OUT _totalcount INT, #总记录数
OUT _pagecount INT #总页数
/* OUT _sumResult VARCHAR(2000)#求和结果 */
)COMMENT ‘分页存储过程‘
BEGIN
#140529-xxj-分页存储过程
#计算起始行号
declare strsql varchar(1000);
declare startRow int;
declare pageSize int;
declare rowindex int;
SET startRow = _pageSize * (_pageindex - 1);
SET pageSize = _pageSize;
SET rowindex = 0; #行号
#合并字符串
SET @strsql = CONCAT(
#‘select sql_calc_found_rows @rowindex:[email protected]+1 as rownumber,‘ #记录行号
‘select sql_calc_found_rows ‘
,_fields
,‘ from ‘
,_tables
,CASE IFNULL(_where, ‘‘) WHEN ‘‘ THEN ‘‘ ELSE CONCAT(‘ where ‘, _where) END
,CASE IFNULL(_orderby, ‘‘) WHEN ‘‘ THEN ‘‘ ELSE CONCAT(‘ order by ‘, _orderby) END
,‘ limit ‘
,startRow
,‘,‘
,pageSize
);
PREPARE strsql FROM @strsql;#定义预处理语句
EXECUTE strsql; #执行预处理语句
DEALLOCATE PREPARE strsql; #删除定义
#通过 sql_calc_found_rows 记录没有使用 limit 语句的记录，使用 found_rows() 获取行数
SET _totalcount = FOUND_ROWS();
#计算总页数
IF (_totalcount <= _pageSize) THEN
SET _pagecount = 1;
ELSE IF (_totalcount % _pageSize > 0) THEN
SET _pagecount = _totalcount DIV _pageSize + 1;
ELSE
SET _pagecount = _totalcount DIV _pageSize;
END IF;
end if;
END$$
DELIMITER ;
-- Ok
DROP PROCEDURE IF EXISTS `GetRecordAsPage`;
DELIMITER $$
CREATE PROCEDURE `GetRecordAsPage`
(in tbName varchar(800), -- 表名
in fldName varchar(1000), -- 表的列名
in strWhere varchar(500), -- 查询条件
in pageIndex int, -- 第几页 传入1就是显示第一页
in pageSize int, -- 一页显示几条记录
in orderType int, -- 0是升序 非0是降序
in sortName varchar(50) -- 排序字段
)
COMMENT ‘分页存储过程‘
BEGIN
declare startRow int;
declare sqlStr varchar(1000);
declare limitTemp varchar(1000);
declare orderTemp varchar(1000);
set startRow = (pageIndex-1)*pageSize;
set sqlStr = CONCAT(‘SELECT ‘,fldName,‘ from ‘,tbName);
set limitTemp = CONCAT(‘ limit ‘,startRow,‘,‘,pageSize);
set orderTemp = CONCAT(‘ order by ‘,sortName);
if orderType = 0 then
set orderTemp = CONCAT(orderTemp,‘ ASC ‘);
else
set orderTemp = CONCAT(orderTemp,‘ DESC ‘);
end if;
set @sqlString = CONCAT(sqlStr,‘ ‘,strWhere,orderTemp,limitTemp);
prepare sqlstmt from @sqlString;
execute sqlstmt;
deallocate prepare sqlstmt;
END$$
DELIMITER ;
--
DELIMITER $$
DROP PROCEDURE IF EXISTS `GetRecordCount` $$
-- --CREATE DEFINER=`root`@`localhost` PROCEDURE `GetRecordCount`(in tbName varchar(800),in strWhere varchar(500))
CREATE PROCEDURE `GetRecordCount`
(
in tbName varchar(800),
in strWhere varchar(500)
)COMMENT ‘获取条件下的总记录数据 存储过程‘
BEGIN
set @strSQL=concat(‘select count(*) as countStr from ‘,tbName,strWhere);
prepare sqlstmt from @strSQL;
execute sqlstmt;
deallocate prepare sqlstmt;
END $$
DELIMITER ;
-- OK
DELIMITER $$
CREATE DEFINER=`root`@`localhost` PROCEDURE `LazyLoadScope`
(
IN ClientId INT,
IN StartIndex INT,
IN Count INT
)COMMENT ‘分页存储过程‘
BEGIN
DECLARE LowerBound INT;
DECLARE UpperBound INT;
DECLARE rownum INT;
SET LowerBound = ((StartIndex - 1) * Count) + 1;
SET UpperBound = ((StartIndex - 1) * Count) + Count;
SELECT scopeid,scopename,clientid,scope,createddate,ViewDate,IsLocked
from (SELECT *, @rownum := @rownum + 1 AS rank
from (SELECT sm.scopeid,sm.scopename,sm.clientid,sm.scope,sm.createddate,sm.ViewDate,sm.Is Locked
FROM scopemaster as sm
inner join clientmaster cm on cm.clientid=sm.clientid
where cm.userid=ClientId order by sm.ViewDate desc) d, (SELECT @rownum := 0) r ) m
WHERE rank >= LowerBound and rank <= UpperBound;
END$$
DELIMITER ;
DELIMITER $$
CREATE DEFINER=`root`@`localhost` PROCEDURE `GetCustomers_Pager`(
_PageIndex INT
,_PageSize INT
,OUT _RecordCount INT
)COMMENT ‘分页存储过程‘
BEGIN
SET @RowNumber:=0;
CREATE TEMPORARY TABLE Results
SELECT @RowNumber:[email protected]+1 RowNumber
,CustomerID
,ContactName
,CompanyName
FROM Customers;
SET _RecordCount =(SELECT COUNT(*) FROM Results);
SELECT * FROM Results
WHERE RowNumber BETWEEN(_PageIndex -1) * _PageSize + 1 AND(((_PageIndex -1) * _PageSize + 1) + _PageSize) - 1;
DROP TEMPORARY TABLE Results;
END$$
DELIMITER ;
-- OK
DELIMITER $$
CREATE DEFINER=`root`@`localhost` PROCEDURE ProcPage(
in tableName varchar(20), #表名
in showField varchar(100), #要显示的列名
in whereText varchar(500), #where条件(只需要写where后面的语句)
in orderText varchar(500), #排序条件（只需要写order by后面的语句）
in pageSize int, #每一页显示的记录数
in pageIndex int, #当前页
out dataCount int #总记录数
)COMMENT ‘分页存储过程‘
BEGIN
DECLARE f INT unsigned DEFAULT 0;
set f=1;
if _pagesize<=100 then
set f=200;
end if;
if(pageSzie<1) then
set pagesize=20;
end if;
if(pageIdex<1) then
set pageIndex=1;
end if;
if(length(whereText)>0) then
set whereText=concat(‘ where 1=1 ‘,whereText);
end if;
if(LENGTH(orderText)>0)then
set orderText = CONCAT(‘ ORDER BY ‘,orderText);
end if;
/*
if (pageSize<1) then
set pageSize=20;
end if;
if (pageIndex < 1)then
set pageIndex = 1;
end if;
if(LENGTH(whereText)>0)then
set whereText=CONCAT(‘ where 1=1 ‘,whereText);
end if;
*/
set @strsql = CONCAT(‘select ‘,showField,‘ from ‘,tableName,‘ ‘,whereText,‘ ‘,orderText,‘ limit ‘,pageIndex*pageSize-pageSize,‘,‘,pageSize);
prepare stmtsql from @strsql;
execute stmtsql;
deallocate prepare stmtsql;
set @strsqlcount=concat(‘select count(1) as count into @datacount from ‘,tableName,‘‘,whereText);
prepare stmtsqlcount from @strsqlcount;
execute stmtsqlcount;
deallocate prepare stmtsqlcount;
set [email protected];
END$$
DELIMITER ;