— ============================================================================
— Author: July
— Create date: 2018-05-9
— Description: 在整个数据库中查找字符串
============================================================================
CREATE PROCEDURE [dbo].[SeekString]
— Add the parameters for the stored procedure here
@str varchar(50),
@seek_type smallint — 0, 等于; 1, 包含; 2,以…开始; 3.以…结尾
AS
BEGIN
SET NOCOUNT ON;
DECLARE @table_name VARCHAR(255);
DECLARE @column_name VARCHAR(255);
DECLARE @columns_string VARCHAR(MAX);
IF OBJECT_ID(‘___rechard_all_tab_info’) IS NOT NULL
DROP TABLE ___rechard_all_tab_info;
CREATE TABLE ___rechard_all_tab_info
(tab_name VARCHAR(255),
select_cols VARCHAR(MAX),
has_records BIT)
IF OBJECT_ID(‘tempdb..#all_cols’) IS NOT NULL
DROP TABLE #all_cols;
SELECT tab.name AS tab_name, col.name AS col_name INTO #all_cols FROM sys.columns AS col
INNER JOIN sys.tables AS tab ON col.object_id = tab.object_id
INNER JOIN sys.types AS typ ON col.system_type_id = typ.system_type_id
WHERE (typ.name LIKE ‘%char%’) — OR (typ.name LIKE ‘%text%’)
ORDER BY tab.name
DECLARE @temp_tab_name VARCHAR(255);
DECLARE @temp_col_string VARCHAR(MAX);
SET @temp_tab_name = ”;
SET @temp_col_string = ”;
DECLARE AllColumns CURSOR FOR
SELECT DISTINCT tab_name, [col_name] FROM #all_cols;
OPEN AllColumns;
FETCH NEXT FROM AllColumns INTO @table_name, @column_name;
WHILE @@FETCH_STATUS = 0
BEGIN
IF @table_name <> @temp_tab_name
IF @temp_tab_name <> ”
BEGIN
INSERT INTO ___rechard_all_tab_info (tab_name,select_cols,has_records ) VALUES (@temp_tab_name,@temp_col_string,0);
SET @temp_col_string = ”;
END
IF LEN(@temp_col_string) > 0
SET @temp_col_string = @temp_col_string + ‘ OR ‘;
IF @seek_type = 1
SET @temp_col_string = @temp_col_string + ‘ ‘ + @column_name + ‘ LIKE ”%’ + @str + ‘%”’;
ELSE IF @seek_type = 2
SET @temp_col_string = @temp_col_string + ‘ ‘ + @column_name + ‘ LIKE ”’ + @str + ‘%”’;
ELSE IF @seek_type = 3
SET @temp_col_string = @temp_col_string + ‘ ‘ + @column_name + ‘ LIKE ”%’ + @str + ””;
ELSE
SET @temp_col_string = @temp_col_string + ‘ ‘ + @column_name + ‘ = ”’ + @str + ””;
SET @temp_tab_name = @table_name;
FETCH NEXT FROM AllColumns INTO @table_name, @column_name;
END
CLOSE AllColumns;
DEALLOCATE AllColumns;
DECLARE @item INT;
DECLARE @select_string VARCHAR(MAX);
DECLARE @temp_select_string VARCHAR(MAX);
DECLARE @cnt int;
IF OBJECT_ID(‘___rechard_all_tab_info_1’) IS NOT NULL
DROP TABLE ___rechard_all_tab_info_1;
SELECT * INTO ___rechard_all_tab_info_1 FROM ___rechard_all_tab_info;
DECLARE TableColumns CURSOR FOR
SELECT tab_name, select_cols FROM ___rechard_all_tab_info
OPEN TableColumns;
FETCH NEXT FROM TableColumns INTO @table_name, @columns_string;
WHILE @@FETCH_STATUS = 0
BEGIN
SET @select_string = ‘DECLARE @cnt INT; ‘ +
‘SELECT @cnt = COUNT(*) FROM ‘ + @table_name + ‘ WHERE ‘ + @columns_string +
‘; IF @cnt > 0 ‘ +
‘UPDATE ___rechard_all_tab_info_1 SET has_records = 1 WHERE tab_name = ”’ + @table_name +”’; ‘ ;
EXECUTE(@select_string);
FETCH NEXT FROM TableColumns INTO @table_name, @columns_string;
END
CLOSE TableColumns;
DEALLOCATE TableColumns;
SELECT ‘SELECT * FROM ‘ + tab_name + ‘ WHERE ‘ + select_cols FROM ___rechard_all_tab_info_1 WHERE has_records = 1 ;
DROP TABLE ___rechard_all_tab_info_1;
DROP TABLE ___rechard_all_tab_info;
END
GO
