├── README.md
├── Refer this for latest changes  - LatestMigrationScript.sql
├── Step 1- Prerequisite.sql
├── Step 2- Create schema and table.sql
├── Step 3- Export all data to csv.sql
├── Step 4- Generate COPY script for PostgreSQL.sql
├── Step 5- Verify data after export.sql
├── Step 6- Create all PK and unique constraint.sql
├── Step 7- Create all foreign keys.sql
└── Step 8- Create all non clustered and filter indexes.sql


/README.md:
--------------------------------------------------------------------------------
 1 | # SQLtoPostgresMigrationScript
 2 | 
 3 | Watch video for use this scripts: https://youtu.be/YKJub0zVztE  <br />  <br />
 4 | 
 5 | Free tool for SQL Server to PostgreSQL migration: https://youtu.be/FYqrSojiMEQ <br />  <br />
 6 | 
 7 | Note: <br />
 8 | I also provide commercial support. Please contact if needed. <br />
 9 | If you find this solution helpful than donate comfortable amount on papal to my email ID or link https://www.paypal.me/bimlamehla.   <br />
10 | Donation is not mandatory, it is just a request to support free tutorials. <br />
11 | 


--------------------------------------------------------------------------------
/Refer this for latest changes  - LatestMigrationScript.sql:
--------------------------------------------------------------------------------
  1 | --Step 1:
  2 | create function [dbo].[GetString]
  3 | (
  4 | @value as nvarchar(max)
  5 | )
  6 | returns nvarchar(max)
  7 | as
  8 | begin
  9 | return case when @value is null then 'null' when @value = '' then '""' else '"'+ replace(@value,'"','""') + '"' end
 10 | end
 11 | 
 12 | 
 13 | --Step 2:
 14 | -- SQL varbinary to bytea postgresql
 15 | -- master.dbo.fn_varbintohexstr
 16 | -- encode(decode('68656C6C6F','hex'),'escape')
 17 | --Schema script
 18 | declare @databaseName varchar(100)
 19 | 
 20 | set @databaseName = DB_NAME()
 21 | 
 22 | declare @TableToInclude table (TableName varchar(200))
 23 | 
 24 | 
 25 | select 'create schema ' + name + '; ALTER SCHEMA public OWNER TO postgres;'
 26 | from sys.schemas
 27 | where name not like 'db[_]%'
 28 | 	and name <> 'sys'
 29 | 	and name <> 'INFORMATION_SCHEMA'
 30 | 
 31 | --Table script
 32 | select cast('create table ' + (
 33 | 			lower(case TABLE_SCHEMA
 34 | 				when 'dbo'
 35 | 					then 'public'
 36 | 				else TABLE_SCHEMA
 37 | 				end
 38 | 			 + '.' + table_name)) + char(13) + '(' + STUFF(
 39 | 			(
 40 | 				select lower(', ' + char(13) + (
 41 | 						case column_name
 42 | 							when 'order'
 43 | 								then '"order"'
 44 | 							when 'default'
 45 | 								then '"default"'
 46 | 							when 'offset'
 47 | 								then '"offset"'
 48 | 							else column_name
 49 | 							end
 50 | 						) + (
 51 | 						case 
 52 | 							when DATA_TYPE in (
 53 | 									'nvarchar'
 54 | 									,'varchar'
 55 | 									,'char'
 56 | 									,'nchar'
 57 | 									)
 58 | 								and CHARACTER_MAXIMUM_LENGTH <> - 1
 59 | 								and CHARACTER_MAXIMUM_LENGTH < 8000
 60 | 								then ' varchar(' + cast(isnull(CHARACTER_MAXIMUM_LENGTH + 100, 8000) as varchar(10)) + ')'
 61 | 							when DATA_TYPE in (
 62 | 									'nvarchar'
 63 | 									,'text'
 64 | 									,'varchar'
 65 | 									,'char'
 66 | 									,'nchar'
 67 | 									,'ntext'
 68 | 									)
 69 | 								or CHARACTER_MAXIMUM_LENGTH = - 1
 70 | 								then ' text'
 71 | 							when DATA_TYPE = 'decimal'
 72 | 								then ' Numeric(' + cast(NUMERIC_PRECISION as varchar(2)) + ',' + cast(numeric_scale as varchar(2)) + ')'
 73 | 							when DATA_TYPE = 'bit'
 74 | 								then ' Boolean' + iif(COLUMN_default = '((0))', ' default false', iif(COLUMN_default = '((1))', ' default true', ''))
 75 | 							when DATA_TYPE = 'tinyint'
 76 | 								then ' smallint' + iif(COLUMN_default is not null, ' default ' + replace(replace(COLUMN_default, '((', ''), '))', ''), '')
 77 | 							when DATA_TYPE = 'date'
 78 | 								then ' date'
 79 | 							when DATA_TYPE = 'datetime'
 80 | 								or DATA_TYPE = 'datetime2'
 81 | 								or DATA_TYPE = 'datetimeoffset'
 82 | 								then ' timestamptz'
 83 | 							when DATA_TYPE = 'timestamp'
 84 | 								then ' bytea'
 85 | 							when DATA_TYPE = 'uniqueidentifier'
 86 | 								then ' UUID' 
 87 | 							when DATA_TYPE in (
 88 | 									'money'
 89 | 									,'smallmoney'
 90 | 									)
 91 | 								then ' Numeric(8,2)'
 92 | 							when DATA_TYPE in (
 93 | 									'binary'
 94 | 									,'varbinary'
 95 | 									,'image'
 96 | 									)
 97 | 								then ' bytea'
 98 | 							else ' ' + case COLUMNPROPERTY(OBJECT_ID(TABLE_SCHEMA + '.' + TABLE_NAME), COLUMN_NAME, 'IsIdentity')
 99 | 									when 1
100 | 										then 'serial'
101 | 									else DATA_TYPE
102 | 									end
103 | 							end + iif(IS_Nullable = 'NO', ' not null', ' null') + iif(COLUMN_default = '(newid())', ' default uuid_generate_v1()', ''))
104 | 						)
105 | 				from INFORMATION_SCHEMA.COLUMNS
106 | 				where (
107 | 						table_name = Results.table_name
108 | 						and TABLE_SCHEMA = Results.TABLE_SCHEMA
109 | 						)
110 | 				for xml PATH('')
111 | 					,TYPE
112 | 				).value('(./text())[1]', 'VARCHAR(MAX)'), 1, 2, '') + char(13) + ');'+ char(13) + char(13) as xml)
113 | from INFORMATION_SCHEMA.COLUMNS Results
114 | where OBJECT_ID(TABLE_SCHEMA + '.' + table_name) not in (
115 | 		select object_id
116 | 		from sys.views
117 | 		)
118 | 	and TABLE_SCHEMA + '.' + table_name in (
119 | 		select tablename
120 | 		from @TableToInclude
121 | 		)
122 | 	or (
123 | 		select count(1)
124 | 		from @TableToInclude
125 | 		) = 0
126 | group by Results.TABLE_SCHEMA
127 | 	,table_name
128 | for xml PATH('')
129 | 
130 | 
131 | --Step 3:
132 | declare @databaseName varchar(100)
133 | declare @folderPath varchar(100)='C:\GPESDB\CRDB\'
134 | set @databaseName = DB_NAME()
135 | 
136 | declare @TableToInclude Table
137 | (
138 | TableName varchar(200)
139 | )
140 | 
141 | --Export query prepration
142 | select ROW_NUMBER() over (
143 | 		order by (
144 | 				select 1
145 | 				)
146 | 		) rownum
147 | 	,'select * FROM ' + @databaseName + '.' + '[' + SCHEMA_NAME(schema_id) + '].[' + t.name + ']' as col1
148 | 	,'select ' + STUFF((
149 | 			select ',' + case 
150 | 					when DATA_TYPE = 'datetime'
151 | 						or DATA_TYPE = 'datetime2'
152 | 						then ' Isnull(nullif(convert(nvarchar(28),' + COLUMN_NAME + + ' ,121) ,' + char(39) + char(39) + '), ' + char(39) + 'null' + char(39) + ')'
153 | 					when DATA_TYPE = 'varchar'
154 | 						or DATA_TYPE = 'nvarchar' then @databaseName + '.dbo.GetString(' + COLUMN_NAME + ')'
155 | 						when  DATA_TYPE = 'xml'
156 | 						then @databaseName + '.dbo.GetString(' + ' Isnull(nullif(cast(' + COLUMN_NAME + + ' as nvarchar(max)) ,' + char(39) + char(39) + '), ' + char(39) + 'null' + char(39) + ')' + ')'
157 | 					when DATA_TYPE = 'binary'
158 | 						or DATA_TYPE = 'varbinary'
159 | 						or DATA_TYPE = 'image'
160 | 						or  DATA_TYPE = 'timestamp'
161 | 						then 'substring(master.dbo.fn_varbintohexstr(' + COLUMN_NAME + '), 3, len(master.dbo.fn_varbintohexstr(' + COLUMN_NAME + ')))'
162 | 					else ' Isnull(nullif(cast(' + COLUMN_NAME + + ' as nvarchar(max)) ,' + char(39) + char(39) + '), ' + char(39) + 'null' + char(39) + ')'
163 | 					end
164 | 			from INFORMATION_SCHEMA.COLUMNS
165 | 			where TABLE_NAME = t.name
166 | 				and TABLE_SCHEMA = schema_name(schema_id)
167 | 			order by table_schema
168 | 				,table_name
169 | 				,ordinal_position
170 | 			for xml PATH('')
171 | 			), 1, 1, '') + ' FROM ' + @databaseName + '.' + '[' + SCHEMA_NAME(schema_id) + '].[' + t.name + ']' as col2
172 | 	,SCHEMA_NAME(schema_id) + '."' + t.name + '"' as col3
173 | into tempQueries
174 | from sys.tables t
175 | where schema_name(schema_id)+'.'+name in(select tablename from @TableToInclude)
176 | or (select count(1) from @TableToInclude)=0
177 | 
178 | select * into  tempQueriesCopy from tempQueries
179 | 
180 | --drop table tempQueriesCopy
181 | --select * from tempQueries
182 | --Export with bcp script
183 | declare @query1 varchar(MAX)
184 | declare @query2 varchar(MAX)
185 | declare @table varchar(MAX)
186 | declare @row int = 0
187 | 
188 | while exists (
189 | 		select top 1 rownum
190 | 		from tempQueries
191 | 		)
192 | begin
193 | 	select top 1 @query1 = col2
194 | 		,@query2 = col2
195 | 		,@row = rownum
196 | 		,@table = col3
197 | 	from tempQueries
198 | 
199 | 	declare @sql varchar(8000) = ''
200 | 
201 | 	select @sql = 'bcp "' + @query2 + '" queryout "' + @folderPath + replace( @table,'"','') + '.csv" -c -t~ -T -w -S' + @@servername
202 | 
203 | 	print @sql
204 | 
205 | 	exec master..xp_cmdshell @sql
206 | 
207 | 	delete
208 | 	from tempQueries
209 | 	where rownum = @row
210 | end
211 | 
212 | 
213 | ---- To allow advanced options to be changed.  
214 | --EXEC sp_configure 'show advanced options', 1;  
215 | --GO  
216 | ---- To update the currently configured value for advanced options.  
217 | --RECONFIGURE;  
218 | --GO  
219 | ---- To enable the feature.  
220 | --EXEC sp_configure 'xp_cmdshell', 1;  
221 | --GO  
222 | ---- To update the currently configured value for this feature.  
223 | --RECONFIGURE;  
224 | --GO  
225 | 
226 | 
227 | 
228 | --Step 4:
229 | declare @folderPath varchar(100)='C:\GPESDB\CRDB\'
230 | --Copy script
231 | select 'Copy ' + replace(col3, '"', '') + char(13) + 'From ' + char(39) + @folderPath + replace(col3, '"', '') + '.csv' + char(39) + ' DELIMITER ' + char(39) + '~' + char(39) + ' null as ' + char(39) + 'null' + char(39) + '  encoding ' + char(39) + 'windows-1251' + char(39) + ' CSV;' + char(13) + 'select 1;' + char(13)
232 | from tempQueriesCopy
233 | where col3 not in (
234 | 		select TABLE_SCHEMA + '.' + char(34) + TABLE_NAME + char(34)
235 | 		from INFORMATION_SCHEMA.COLUMNS
236 | 		where DATA_TYPE = 'varbinary'
237 | 		)
238 | 
239 | 
240 | drop table tempQueries
241 | drop table tempQueriesCopy
242 | 
243 | --Step 5:
244 | --PostgreSQL Server Query to get table and row counts
245 | --Ref. Link https://www.periscopedata.com/blog/exact-row-counts-for-every-database-table
246 | 
247 | --Function
248 | create or replace function 
249 | count_rows(schema text, tablename text) returns integer
250 | as
251 | $body$
252 | declare
253 |   result integer;
254 |   query varchar;
255 | begin
256 |   query := 'SELECT count(1) FROM ' || schema || '.' || tablename;
257 |   execute query into result;
258 |   return result;
259 | end;
260 | $body$
261 | language plpgsql;
262 | 
263 | 
264 | --Query
265 | select 
266 |   table_schema,
267 |   table_name, 
268 |   count_rows(table_schema, table_name)
269 | from information_schema.tables
270 | where 
271 |   table_schema not in ('pg_catalog', 'information_schema') 
272 |   and table_type='BASE TABLE'
273 | order by 3 desc
274 | 
275 | 
276 | --SQL Server Query to get table and row counts
277 | --Ref. Link https://blog.sqlauthority.com/2017/05/24/sql-server-find-row-count-every-table-database-efficiently/
278 | 
279 | SELECT SCHEMA_NAME(schema_id) AS [SchemaName],
280 | [Tables].name AS [TableName],
281 | SUM([Partitions].[rows]) AS [TotalRowCount]
282 | FROM sys.tables AS [Tables]
283 | JOIN sys.partitions AS [Partitions]
284 | ON [Tables].[object_id] = [Partitions].[object_id]
285 | AND [Partitions].index_id IN ( 0, 1 )
286 | -- WHERE [Tables].name = N'name of the table'
287 | GROUP BY SCHEMA_NAME(schema_id), [Tables].name;
288 | 
289 | --Step 6:
290 | --Ref. link: https://www.mssqltips.com/sqlservertip/3443/script-all-primary-keys-unique-constraints-and-foreign-keys-in-a-sql-server-database-using-tsql/
291 | --Export all PK and unique constraints
292 | declare @SchemaName varchar(100)
293 | declare @TableName varchar(256)
294 | declare @IndexName varchar(256)
295 | declare @ColumnName varchar(100)
296 | declare @is_unique_constraint varchar(100)
297 | declare @IndexTypeDesc varchar(100)
298 | declare @FileGroupName varchar(100)
299 | declare @is_disabled varchar(100)
300 | declare @IndexOptions varchar(max)
301 | declare @IndexColumnId int
302 | declare @IsDescendingKey int 
303 | declare @IsIncludedColumn int
304 | declare @TSQLScripCreationIndex varchar(max)
305 | declare @TSQLScripDisableIndex varchar(max)
306 | declare @is_primary_key varchar(100)
307 | declare @TableToInclude Table
308 | (
309 | TableName varchar(200)
310 | )
311 | 
312 | 
313 | declare CursorIndex cursor for
314 |  select schema_name(t.schema_id) [schema_name], t.name, ix.name,
315 |  case when ix.is_unique_constraint = 1 then ' UNIQUE ' else '' END 
316 |     ,case when ix.is_primary_key = 1 then ' PRIMARY KEY ' else '' END 
317 |  , ix.type_desc,
318 |   case when ix.is_padded=1 then 'PAD_INDEX = ON, ' else 'PAD_INDEX = OFF, ' end
319 |  + case when ix.allow_page_locks=1 then 'ALLOW_PAGE_LOCKS = ON, ' else 'ALLOW_PAGE_LOCKS = OFF, ' end
320 |  + case when ix.allow_row_locks=1 then  'ALLOW_ROW_LOCKS = ON, ' else 'ALLOW_ROW_LOCKS = OFF, ' end
321 |  + case when INDEXPROPERTY(t.object_id, ix.name, 'IsStatistics') = 1 then 'STATISTICS_NORECOMPUTE = ON, ' else 'STATISTICS_NORECOMPUTE = OFF, ' end
322 |  + case when ix.ignore_dup_key=1 then 'IGNORE_DUP_KEY = ON, ' else 'IGNORE_DUP_KEY = OFF, ' end
323 |  + 'SORT_IN_TEMPDB = OFF, FILLFACTOR =' + CAST(ix.fill_factor AS VARCHAR(3)) AS IndexOptions
324 |  , FILEGROUP_NAME(ix.data_space_id) FileGroupName
325 |  from sys.tables t 
326 |  inner join sys.indexes ix on t.object_id=ix.object_id
327 |  where ix.type>0 and  (ix.is_primary_key=1 or ix.is_unique_constraint=1) --and schema_name(tb.schema_id)= @SchemaName and tb.name=@TableName
328 |  and t.is_ms_shipped=0 and t.name<>'sysdiagrams'and
329 |  ( schema_name(t.schema_id)+'.'+t.name in(select tablename from @TableToInclude)
330 | or (select count(1) from @TableToInclude)=0)  
331 |  order by schema_name(t.schema_id), t.name, ix.name
332 | open CursorIndex
333 | fetch next from CursorIndex into  @SchemaName, @TableName, @IndexName, @is_unique_constraint, @is_primary_key, @IndexTypeDesc, @IndexOptions, @FileGroupName
334 | while (@@fetch_status=0)
335 | begin
336 |  declare @IndexColumns varchar(max)
337 |  declare @IncludedColumns varchar(max)
338 |  set @IndexColumns=''
339 |  set @IncludedColumns=''
340 |  declare CursorIndexColumn cursor for 
341 |  select col.name, ixc.is_descending_key, ixc.is_included_column
342 |  from sys.tables tb 
343 |  inner join sys.indexes ix on tb.object_id=ix.object_id
344 |  inner join sys.index_columns ixc on ix.object_id=ixc.object_id and ix.index_id= ixc.index_id
345 |  inner join sys.columns col on ixc.object_id =col.object_id  and ixc.column_id=col.column_id
346 |  where ix.type>0 and (ix.is_primary_key=1 or ix.is_unique_constraint=1)
347 |  and schema_name(tb.schema_id)=@SchemaName and tb.name=@TableName and ix.name=@IndexName
348 |  order by ixc.index_column_id
349 |  open CursorIndexColumn 
350 |  fetch next from CursorIndexColumn into  @ColumnName, @IsDescendingKey, @IsIncludedColumn
351 |  while (@@fetch_status=0)
352 |  begin
353 |   if @IsIncludedColumn=0 
354 |     set @IndexColumns=@IndexColumns + 	(case @ColumnName when 'order' then '"order"' when 'Default' then '"Default"'
355 | 				when 'offset' then '"offset"'
356 | 				 else @ColumnName  end)   +','  --+ case when @IsDescendingKey=1  then ' DESC, ' else  ' ASC, ' end
357 |   else 
358 |    set @IncludedColumns=@IncludedColumns  + (case @ColumnName when 'order' then '"order"' when 'Default' then '"Default"'
359 | 				when 'offset' then '"offset"'
360 | 				 else @ColumnName  end)    +', ' 
361 |      
362 |   fetch next from CursorIndexColumn into @ColumnName, @IsDescendingKey, @IsIncludedColumn
363 |  end
364 |  close CursorIndexColumn
365 |  deallocate CursorIndexColumn
366 |  set @IndexColumns = substring(@IndexColumns, 1, len(@IndexColumns)-1)
367 |  set @IncludedColumns = case when len(@IncludedColumns) >0 then substring(@IncludedColumns, 1, len(@IncludedColumns)-1) else '' end
368 | --  print @IndexColumns
369 | --  print @IncludedColumns
370 | 
371 | set @TSQLScripCreationIndex =''
372 | set @TSQLScripDisableIndex =''
373 | set  @TSQLScripCreationIndex='ALTER TABLE '+  @SchemaName +'.'+ @TableName + ' ADD CONSTRAINT ' + replace(replace(replace(replace(@IndexName,'Registration','reg'),'Patient','pat'),'Additional','add'),'Organisation','') + @is_unique_constraint + @is_primary_key +  +  '('+@IndexColumns+') '+ 
374 |  case when len(@IncludedColumns)>0 then CHAR(13) +'INCLUDE (' + @IncludedColumns+ ')' else '' end + '; ' + char(13) + ' select 1;' -- + CHAR(13)+'WITH (' + @IndexOptions+ ') ON ' + QUOTENAME(@FileGroupName) + ';'  
375 | 
376 | print @TSQLScripCreationIndex
377 | print @TSQLScripDisableIndex
378 | 
379 | fetch next from CursorIndex into  @SchemaName, @TableName, @IndexName, @is_unique_constraint, @is_primary_key, @IndexTypeDesc, @IndexOptions, @FileGroupName
380 | 
381 | end
382 | close CursorIndex
383 | deallocate CursorIndex
384 | 
385 | 
386 | 
387 | --Step 7:
388 | --Ref. link: https://www.mssqltips.com/sqlservertip/3441/script-out-all-sql-server-indexes-in-a-database-using-tsql/
389 | --Exporting all indexes
390 | declare @SchemaName varchar(100)declare @TableName varchar(256)
391 | declare @IndexName varchar(256)
392 | declare @ColumnName varchar(100)
393 | declare @is_unique varchar(100)
394 | declare @IndexTypeDesc varchar(100)
395 | declare @FileGroupName varchar(100)
396 | declare @is_disabled varchar(100)
397 | declare @IndexOptions varchar(max)
398 | declare @IndexColumnId int
399 | declare @IsDescendingKey int 
400 | declare @IsIncludedColumn int
401 | declare @TSQLScripCreationIndex varchar(max)
402 | declare @TSQLScripDisableIndex varchar(max)
403 | declare @filter_definition varchar(max)
404 | 
405 | declare @BoolColumns table
406 | (
407 | colValue varchar(200),
408 | colReplaceValue varchar(200)
409 | )
410 | insert into @BoolColumns
411 | select distinct COLUMN_NAME+'=(0)',COLUMN_NAME+'=false' from INFORMATION_SCHEMA.COLUMNS where DATA_TYPE='bit'
412 | union
413 | select distinct COLUMN_NAME+'=(1)',COLUMN_NAME+'=true' from INFORMATION_SCHEMA.COLUMNS where DATA_TYPE='bit'
414 | 
415 | declare @TableToInclude Table
416 | (
417 | TableName varchar(200)
418 | )
419 | 
420 | 
421 | declare CursorIndex cursor for
422 |  select schema_name(t.schema_id) [schema_name], t.name, ix.name,
423 |  case when ix.is_unique = 1 then 'UNIQUE ' else '' END 
424 |  , ix.type_desc,
425 |  case when ix.is_padded=1 then 'PAD_INDEX = ON, ' else 'PAD_INDEX = OFF, ' end
426 |  + case when ix.allow_page_locks=1 then 'ALLOW_PAGE_LOCKS = ON, ' else 'ALLOW_PAGE_LOCKS = OFF, ' end
427 |  + case when ix.allow_row_locks=1 then  'ALLOW_ROW_LOCKS = ON, ' else 'ALLOW_ROW_LOCKS = OFF, ' end
428 |  + case when INDEXPROPERTY(t.object_id, ix.name, 'IsStatistics') = 1 then 'STATISTICS_NORECOMPUTE = ON, ' else 'STATISTICS_NORECOMPUTE = OFF, ' end
429 |  + case when ix.ignore_dup_key=1 then 'IGNORE_DUP_KEY = ON, ' else 'IGNORE_DUP_KEY = OFF, ' end
430 |  + 'SORT_IN_TEMPDB = OFF, FILLFACTOR =' + CAST(ix.fill_factor AS VARCHAR(3)) AS IndexOptions
431 |  , ix.is_disabled , FILEGROUP_NAME(ix.data_space_id) FileGroupName,
432 |  filter_definition
433 |  from sys.tables t 
434 |  inner join sys.indexes ix on t.object_id=ix.object_id
435 |  where ix.type>0 and ix.is_primary_key=0 and ix.is_unique_constraint=0 --and schema_name(tb.schema_id)= @SchemaName and tb.name=@TableName
436 |  and t.is_ms_shipped=0 and t.name<>'sysdiagrams'
437 |  and
438 |  ( schema_name(t.schema_id)+'.'+t.name in(select tablename from @TableToInclude)
439 | or (select count(1) from @TableToInclude)=0)  
440 |  order by schema_name(t.schema_id), t.name, ix.name
441 | 
442 | open CursorIndex
443 | fetch next from CursorIndex into  @SchemaName, @TableName, @IndexName, @is_unique, @IndexTypeDesc, @IndexOptions,@is_disabled, @FileGroupName,@filter_definition
444 | 
445 | while (@@fetch_status=0)
446 | begin
447 |  declare @IndexColumns varchar(max)
448 |  declare @IncludedColumns varchar(max)
449 |  declare @DType varchar(max)
450 |  set @IndexColumns=''
451 |  set @IncludedColumns=''
452 |  
453 |  declare CursorIndexColumn cursor for 
454 |   select col.name, ixc.is_descending_key, ixc.is_included_column
455 |   from sys.tables tb 
456 |   inner join sys.indexes ix on tb.object_id=ix.object_id
457 |   inner join sys.index_columns ixc on ix.object_id=ixc.object_id and ix.index_id= ixc.index_id
458 |   inner join sys.columns col on ixc.object_id =col.object_id  and ixc.column_id=col.column_id
459 |   inner JOIN sys.types AS ty ON ty.user_type_id=col.user_type_id
460 |   where ix.type>0 and (ix.is_primary_key=0 or ix.is_unique_constraint=0)
461 |   and schema_name(tb.schema_id)=@SchemaName and tb.name=@TableName and ix.name=@IndexName
462 |   order by ixc.index_column_id
463 |  
464 |  open CursorIndexColumn 
465 |  fetch next from CursorIndexColumn into  @ColumnName, @IsDescendingKey, @IsIncludedColumn
466 |  
467 |  while (@@fetch_status=0)
468 |  begin
469 |   if @IsIncludedColumn=0 
470 |    set @IndexColumns=@IndexColumns + @ColumnName  + case when @IsDescendingKey=1  then ' DESC, ' else  ' ASC, ' end
471 |   else 
472 |    set @IncludedColumns=@IncludedColumns  + @ColumnName  +', ' 
473 | 
474 |   fetch next from CursorIndexColumn into @ColumnName, @IsDescendingKey, @IsIncludedColumn
475 |  end
476 | 
477 |  close CursorIndexColumn
478 |  deallocate CursorIndexColumn
479 | 
480 |  set @IndexColumns = substring(@IndexColumns, 1, len(@IndexColumns)-1)
481 |  set @IncludedColumns = case when len(@IncludedColumns) >0 then substring(@IncludedColumns, 1, len(@IncludedColumns)-1) else '' end
482 | 
483 |  --set @filter_definition = replace(replace(replace(replace(replace(@filter_definition, '[', ''), ']', ''), '(1)', 'true'), '(0)', 'false'), '=', ' = ')
484 |  set @filter_definition = replace(replace(@filter_definition, '[', ''), ']', '')
485 |  select @filter_definition = replace(@filter_definition,colValue,colReplaceValue)  from @BoolColumns
486 | 
487 |  set @TSQLScripCreationIndex =''
488 |  set @TSQLScripDisableIndex =''
489 |  set @TSQLScripCreationIndex='CREATE '+ @is_unique  + ' INDEX idx_'  + replace(replace(replace(replace(@IndexName,'Registration','reg'),'Patient','pat'),'Additional','add'),'Organisation','org') +' ON ' + @SchemaName +'.'+ @TableName + '('+@IndexColumns+') '+ 
490 |   case when len(@IncludedColumns)>0 then CHAR(13) +'INCLUDE (' + @IncludedColumns+ ')' else '' end + case  when @filter_definition is null then '' else ' where ' +  @filter_definition end  + ';' + char(13) + 'select 1;' + CHAR(13) --+'WITH (' + @IndexOptions+ ') ON ' + QUOTENAME(@FileGroupName) + ';'  
491 | 
492 |  print @TSQLScripCreationIndex
493 |  print @TSQLScripDisableIndex
494 | 
495 |  fetch next from CursorIndex into  @SchemaName, @TableName, @IndexName, @is_unique, @IndexTypeDesc, @IndexOptions,@is_disabled, @FileGroupName, @filter_definition
496 | 
497 | end
498 | close CursorIndex
499 | deallocate CursorIndex
500 | 
501 | 
502 | --Step 8:
503 | --Ref. link: https://www.mssqltips.com/sqlservertip/3443/script-all-primary-keys-unique-constraints-and-foreign-keys-in-a-sql-server-database-using-tsql/
504 | --Export all foreign keys
505 | declare @ForeignKeyID int
506 | declare @ForeignKeyName varchar(4000)
507 | declare @ParentTableName varchar(4000)
508 | declare @ParentColumn varchar(4000)
509 | declare @ReferencedTable varchar(4000)
510 | declare @ReferencedColumn varchar(4000)
511 | declare @StrParentColumn varchar(max)
512 | declare @StrReferencedColumn varchar(max)
513 | declare @ParentTableSchema varchar(4000)
514 | declare @ReferencedTableSchema varchar(4000)
515 | declare @TSQLCreationFK varchar(max)
516 | 
517 | declare @TableToInclude Table
518 | (
519 | TableName varchar(200)
520 | )
521 | 
522 | 
523 | 
524 | --Written by Percy Reyes www.percyreyes.com
525 | declare CursorFK cursor for select object_id--, name, object_name( parent_object_id) 
526 | from sys.foreign_keys
527 | where
528 | ( schema_name(schema_id)+'.'+ object_name( parent_object_id) in(select tablename from @TableToInclude)
529 | or (select count(1) from @TableToInclude)=0)  
530 | open CursorFK
531 | fetch next from CursorFK into @ForeignKeyID
532 | while (@@FETCH_STATUS=0)
533 | begin
534 |  set @StrParentColumn=''
535 |  set @StrReferencedColumn=''
536 |  declare CursorFKDetails cursor for
537 |   select  fk.name ForeignKeyName, schema_name(t1.schema_id) ParentTableSchema,
538 |   object_name(fkc.parent_object_id) ParentTable, c1.name ParentColumn,schema_name(t2.schema_id) ReferencedTableSchema,
539 |    object_name(fkc.referenced_object_id) ReferencedTable,c2.name ReferencedColumn
540 |   from --sys.tables t inner join 
541 |   sys.foreign_keys fk 
542 |   inner join sys.foreign_key_columns fkc on fk.object_id=fkc.constraint_object_id
543 |   inner join sys.columns c1 on c1.object_id=fkc.parent_object_id and c1.column_id=fkc.parent_column_id 
544 |   inner join sys.columns c2 on c2.object_id=fkc.referenced_object_id and c2.column_id=fkc.referenced_column_id 
545 |   inner join sys.tables t1 on t1.object_id=fkc.parent_object_id 
546 |   inner join sys.tables t2 on t2.object_id=fkc.referenced_object_id 
547 |   where fk.object_id=@ForeignKeyID
548 |  
549 |  open CursorFKDetails
550 |  fetch next from CursorFKDetails into  @ForeignKeyName, @ParentTableSchema, @ParentTableName, @ParentColumn, @ReferencedTableSchema, @ReferencedTable, @ReferencedColumn
551 |  while (@@FETCH_STATUS=0)
552 |  begin    
553 |   set @StrParentColumn=@StrParentColumn + ', ' + @ParentColumn
554 |   set @StrReferencedColumn=@StrReferencedColumn + ', ' + @ReferencedColumn
555 |   
556 |      fetch next from CursorFKDetails into  @ForeignKeyName, @ParentTableSchema, @ParentTableName, @ParentColumn, @ReferencedTableSchema, @ReferencedTable, @ReferencedColumn
557 |  end
558 |  close CursorFKDetails
559 |  deallocate CursorFKDetails
560 |  --print @StrParentColumn
561 |  --print @StrReferencedColumn
562 |  set @StrParentColumn=substring(@StrParentColumn,2,len(@StrParentColumn))
563 |  set @StrReferencedColumn=substring(@StrReferencedColumn,2,len(@StrReferencedColumn))
564 |  set @TSQLCreationFK='ALTER TABLE '+ case @ParentTableSchema when 'dbo' then 'public' else @ParentTableSchema end +'.'+ @ParentTableName +'  ADD CONSTRAINT '+  replace(replace(replace(replace(@ForeignKeyName,'Registration','reg'),'Patient','pat'),'Additional','add'),'Organisation','org')  
565 |  + ' FOREIGN KEY('+ltrim(@StrParentColumn)+') '+ char(13) +'REFERENCES '+ case @ReferencedTableSchema when 'dbo' then 'public' else @ReferencedTableSchema end +'.'+ @ReferencedTable+' ('+ltrim(@StrReferencedColumn)+');' + char(13)+'select 1;'
566 |  
567 |  if not exists
568 |  (select * from @TableToInclude where tablename = @ParentTableSchema + '.' + @ParentTableName )
569 |  or 
570 |  not exists
571 |  (select * from @TableToInclude where tablename = @ReferencedTableSchema + '.' + @ReferencedTable )
572 | 	print @TSQLCreationFK
573 | 
574 | fetch next from CursorFK into @ForeignKeyID 
575 | end
576 | close CursorFK
577 | deallocate CursorFK
578 | 


--------------------------------------------------------------------------------
/Step 1- Prerequisite.sql:
--------------------------------------------------------------------------------
1 | create function [dbo].[GetString]
2 | (
3 | @value as nvarchar(max)
4 | )
5 | returns nvarchar(max)
6 | as
7 | begin
8 | return case when @value is null then 'null' when @value = '' then '""' else '"'+ replace(@value,'"','""""') + '"' end
9 | end


--------------------------------------------------------------------------------
/Step 2- Create schema and table.sql:
--------------------------------------------------------------------------------
 1 | -- SQL varbinary to bytea postgresql
 2 | -- master.dbo.fn_varbintohexstr
 3 | -- encode(decode('68656C6C6F','hex'),'escape')
 4 | --Schema script
 5 | declare @databaseName varchar(100)
 6 | 
 7 | set @databaseName = DB_NAME()
 8 | 
 9 | select 'create schema ' + name + '; ALTER SCHEMA public OWNER TO postgres;'
10 | from sys.schemas
11 | where name not like 'db[_]%'
12 | 	and name <> 'sys'
13 | 	and name <> 'INFORMATION_SCHEMA'
14 | 
15 | --Table script
16 | select cast('create table ' + TABLE_SCHEMA + '.' + table_name + char(13) + '(' + STUFF((
17 | 				select ', ' + char(13) + column_name + (
18 | 						case 
19 | 							when DATA_TYPE in (
20 | 									'nvarchar'
21 | 									,'varchar',
22 | 									'char',
23 | 									'nchar'
24 | 									)
25 | 								and CHARACTER_MAXIMUM_LENGTH <> - 1 and CHARACTER_MAXIMUM_LENGTH < 8000
26 | 								then ' varchar(' + cast(isnull(CHARACTER_MAXIMUM_LENGTH, 8000) as varchar(10)) + ')'
27 | 							when DATA_TYPE in (
28 | 									'nvarchar'
29 | 									,'text'
30 | 									,'varchar',
31 | 									'char',
32 | 									'nchar',
33 | 									'ntext'
34 | 									)
35 | 								or CHARACTER_MAXIMUM_LENGTH = - 1
36 | 								then ' text'
37 | 							when DATA_TYPE = 'decimal'
38 | 								then ' Numeric(' + cast(NUMERIC_PRECISION as varchar(2)) + ',' + cast(numeric_scale as varchar(2)) + ')'
39 | 							when DATA_TYPE = 'bit'
40 | 								then ' Boolean' + iif(COLUMN_DEFAULT = '((0))', ' Default false', iif(COLUMN_DEFAULT = '((1))', ' Default true', ''))
41 | 							when DATA_TYPE = 'tinyint'
42 | 								then ' smallint' + iif(COLUMN_DEFAULT is not null, ' Default ' + replace(replace(COLUMN_DEFAULT, '((', ''), '))', ''), '')
43 | 							when DATA_TYPE = 'date'
44 | 								then ' date'
45 | 							when DATA_TYPE = 'datetime'
46 | 								or DATA_TYPE = 'datetime2'
47 | 								then ' timestamptz'
48 | 							when DATA_TYPE = 'uniqueidentifier'
49 | 								then ' UUID'
50 | 							when DATA_TYPE in (
51 | 									'money'
52 | 									,'smallmoney'
53 | 									)
54 | 								then ' Numeric(8,2)'
55 | 							when DATA_TYPE in (
56 | 									'binary'
57 | 									,'varbinary'
58 | 									,'image'
59 | 									)
60 | 								then ' BYTEA'
61 | 							else ' ' + case COLUMNPROPERTY(OBJECT_ID(TABLE_SCHEMA + '.' + TABLE_NAME), COLUMN_NAME, 'IsIdentity')
62 | 									when 1
63 | 										then 'SERIAL'
64 | 									else DATA_TYPE
65 | 									end
66 | 							end
67 | 						)
68 | 				from INFORMATION_SCHEMA.COLUMNS
69 | 				where (
70 | 						table_name = Results.table_name
71 | 						and TABLE_SCHEMA = Results.TABLE_SCHEMA
72 | 						)
73 | 				for xml PATH('')
74 | 					,TYPE
75 | 				).value('(./text())[1]', 'VARCHAR(MAX)'), 1, 2, '') + char(13) + ');' + char(13) as xml)
76 | from INFORMATION_SCHEMA.COLUMNS Results
77 | where TABLE_NAME not in (
78 | 		select [name]
79 | 		from sys.views
80 | 		)
81 | group by Results.TABLE_SCHEMA
82 | 	,table_name
83 | for xml PATH('')


--------------------------------------------------------------------------------
/Step 3- Export all data to csv.sql:
--------------------------------------------------------------------------------
 1 | declare @databaseName varchar(100)
 2 | declare @folderPath varchar(100)='C:\Data\'
 3 | set @databaseName = DB_NAME()
 4 | 
 5 | 
 6 | --Export query prepration
 7 | select ROW_NUMBER() over (
 8 | 		order by (
 9 | 				select 1
10 | 				)
11 | 		) rownum
12 | 	,'select * FROM ' + @databaseName + '.' + '[' + SCHEMA_NAME(schema_id) + '].[' + t.name + ']' as col1
13 | 	,'select ' + STUFF((
14 | 			select ',' + case 
15 | 					when DATA_TYPE = 'datetime'
16 | 						or DATA_TYPE = 'datetime2'
17 | 						then ' Isnull(nullif(convert(nvarchar(28),' + COLUMN_NAME + + ' ,121) ,' + char(39) + char(39) + '), ' + char(39) + 'null' + char(39) + ')'
18 | 					when DATA_TYPE = 'varchar'
19 | 						or DATA_TYPE = 'nvarchar'
20 | 						then @databaseName + '.dbo.GetString(' + COLUMN_NAME + ')'
21 | 					when DATA_TYPE = 'binary'
22 | 						or DATA_TYPE = 'varbinary'
23 | 						or DATA_TYPE = 'image'
24 | 						then 'substring(master.dbo.fn_varbintohexstr(' + COLUMN_NAME + '), 3, len(master.dbo.fn_varbintohexstr(' + COLUMN_NAME + ')))'
25 | 					else ' Isnull(nullif(cast(' + COLUMN_NAME + + ' as nvarchar(max)) ,' + char(39) + char(39) + '), ' + char(39) + 'null' + char(39) + ')'
26 | 					end
27 | 			from INFORMATION_SCHEMA.COLUMNS
28 | 			where TABLE_NAME = t.name
29 | 				and TABLE_SCHEMA = schema_name(schema_id)
30 | 			order by table_schema
31 | 				,table_name
32 | 				,ordinal_position
33 | 			for xml PATH('')
34 | 			), 1, 1, '') + ' FROM ' + @databaseName + '.' + '[' + SCHEMA_NAME(schema_id) + '].[' + t.name + ']' as col2
35 | 	,SCHEMA_NAME(schema_id) + '."' + t.name + '"' as col3
36 | into tempQueries
37 | from sys.tables t
38 | 
39 | select * into  tempQueriesCopy from tempQueries
40 | --Export with bcp script
41 | declare @query1 varchar(MAX)
42 | declare @query2 varchar(MAX)
43 | declare @table varchar(MAX)
44 | declare @row int = 0
45 | 
46 | while exists (
47 | 		select top 1 rownum
48 | 		from tempQueries
49 | 		)
50 | begin
51 | 	select top 1 @query1 = col2
52 | 		,@query2 = col2
53 | 		,@row = rownum
54 | 		,@table = col3
55 | 	from tempQueries
56 | 
57 | 	declare @sql varchar(8000) = ''
58 | 
59 | 	select @sql = 'bcp "' + @query2 + '" queryout "' + @folderPath + replace( @table,'"','') + '.csv" -c -t~ -T -S' + @@servername
60 | 
61 | 	print @sql
62 | 
63 | 	exec master..xp_cmdshell @sql
64 | 
65 | 	delete
66 | 	from tempQueries
67 | 	where rownum = @row
68 | end
69 | 
70 | 
71 | ---- To allow advanced options to be changed.  
72 | --EXEC sp_configure 'show advanced options', 1;  
73 | --GO  
74 | ---- To update the currently configured value for advanced options.  
75 | --RECONFIGURE;  
76 | --GO  
77 | ---- To enable the feature.  
78 | --EXEC sp_configure 'xp_cmdshell', 1;  
79 | --GO  
80 | ---- To update the currently configured value for this feature.  
81 | --RECONFIGURE;  
82 | --GO  


--------------------------------------------------------------------------------
/Step 4- Generate COPY script for PostgreSQL.sql:
--------------------------------------------------------------------------------
 1 | declare @folderPath varchar(100)='C:\Data\'
 2 | --Copy script
 3 | select 'Copy ' + replace(col3, '"', '') + char(13) + 'From ' + char(39) + @folderPath + replace(col3, '"', '') + '.csv' + char(39) + ' DELIMITER ' + char(39) + '~' + char(39) + ' null as ' + char(39) + 'null' + char(39) + '  encoding ' + char(39) + 'windows-1251' + char(39) + ' CSV;' + char(13) + 'select 1;' + char(13)
 4 | from tempQueriesCopy
 5 | where col3 not in (
 6 | 		select TABLE_SCHEMA + '.' + char(34) + TABLE_NAME + char(34)
 7 | 		from INFORMATION_SCHEMA.COLUMNS
 8 | 		where DATA_TYPE = 'varbinary'
 9 | 		)
10 | 
11 | 
12 | drop table tempQueries
13 | drop table tempQueriesCopy


--------------------------------------------------------------------------------
/Step 5- Verify data after export.sql:
--------------------------------------------------------------------------------
 1 | --PostgreSQL Server Query to get table and row counts
 2 | --Ref. Link https://www.periscopedata.com/blog/exact-row-counts-for-every-database-table
 3 | 
 4 | --Function
 5 | create or replace function 
 6 | count_rows(schema text, tablename text) returns integer
 7 | as
 8 | $body$
 9 | declare
10 |   result integer;
11 |   query varchar;
12 | begin
13 |   query := 'SELECT count(1) FROM ' || schema || '.' || tablename;
14 |   execute query into result;
15 |   return result;
16 | end;
17 | $body$
18 | language plpgsql;
19 | 
20 | 
21 | --Query
22 | select 
23 |   table_schema,
24 |   table_name, 
25 |   count_rows(table_schema, table_name)
26 | from information_schema.tables
27 | where 
28 |   table_schema not in ('pg_catalog', 'information_schema') 
29 |   and table_type='BASE TABLE'
30 | order by 3 desc
31 | 
32 | 
33 | --SQL Server Query to get table and row counts
34 | --Ref. Link https://blog.sqlauthority.com/2017/05/24/sql-server-find-row-count-every-table-database-efficiently/
35 | 
36 | SELECT SCHEMA_NAME(schema_id) AS [SchemaName],
37 | [Tables].name AS [TableName],
38 | SUM([Partitions].[rows]) AS [TotalRowCount]
39 | FROM sys.tables AS [Tables]
40 | JOIN sys.partitions AS [Partitions]
41 | ON [Tables].[object_id] = [Partitions].[object_id]
42 | AND [Partitions].index_id IN ( 0, 1 )
43 | -- WHERE [Tables].name = N'name of the table'
44 | GROUP BY SCHEMA_NAME(schema_id), [Tables].name;
45 | 
46 | 


--------------------------------------------------------------------------------
/Step 6- Create all PK and unique constraint.sql:
--------------------------------------------------------------------------------
 1 | --Ref. link: https://www.mssqltips.com/sqlservertip/3443/script-all-primary-keys-unique-constraints-and-foreign-keys-in-a-sql-server-database-using-tsql/
 2 | --Export all PK and unique constraints
 3 | declare @SchemaName varchar(100)
 4 | declare @TableName varchar(256)
 5 | declare @IndexName varchar(256)
 6 | declare @ColumnName varchar(100)
 7 | declare @is_unique_constraint varchar(100)
 8 | declare @IndexTypeDesc varchar(100)
 9 | declare @FileGroupName varchar(100)
10 | declare @is_disabled varchar(100)
11 | declare @IndexOptions varchar(max)
12 | declare @IndexColumnId int
13 | declare @IsDescendingKey int 
14 | declare @IsIncludedColumn int
15 | declare @TSQLScripCreationIndex varchar(max)
16 | declare @TSQLScripDisableIndex varchar(max)
17 | declare @is_primary_key varchar(100)
18 | 
19 | declare CursorIndex cursor for
20 |  select schema_name(t.schema_id) [schema_name], t.name, ix.name,
21 |  case when ix.is_unique_constraint = 1 then ' UNIQUE ' else '' END 
22 |     ,case when ix.is_primary_key = 1 then ' PRIMARY KEY ' else '' END 
23 |  , ix.type_desc,
24 |   case when ix.is_padded=1 then 'PAD_INDEX = ON, ' else 'PAD_INDEX = OFF, ' end
25 |  + case when ix.allow_page_locks=1 then 'ALLOW_PAGE_LOCKS = ON, ' else 'ALLOW_PAGE_LOCKS = OFF, ' end
26 |  + case when ix.allow_row_locks=1 then  'ALLOW_ROW_LOCKS = ON, ' else 'ALLOW_ROW_LOCKS = OFF, ' end
27 |  + case when INDEXPROPERTY(t.object_id, ix.name, 'IsStatistics') = 1 then 'STATISTICS_NORECOMPUTE = ON, ' else 'STATISTICS_NORECOMPUTE = OFF, ' end
28 |  + case when ix.ignore_dup_key=1 then 'IGNORE_DUP_KEY = ON, ' else 'IGNORE_DUP_KEY = OFF, ' end
29 |  + 'SORT_IN_TEMPDB = OFF, FILLFACTOR =' + CAST(ix.fill_factor AS VARCHAR(3)) AS IndexOptions
30 |  , FILEGROUP_NAME(ix.data_space_id) FileGroupName
31 |  from sys.tables t 
32 |  inner join sys.indexes ix on t.object_id=ix.object_id
33 |  where ix.type>0 and  (ix.is_primary_key=1 or ix.is_unique_constraint=1) --and schema_name(tb.schema_id)= @SchemaName and tb.name=@TableName
34 |  and t.is_ms_shipped=0 and t.name<>'sysdiagrams'
35 |  order by schema_name(t.schema_id), t.name, ix.name
36 | open CursorIndex
37 | fetch next from CursorIndex into  @SchemaName, @TableName, @IndexName, @is_unique_constraint, @is_primary_key, @IndexTypeDesc, @IndexOptions, @FileGroupName
38 | while (@@fetch_status=0)
39 | begin
40 |  declare @IndexColumns varchar(max)
41 |  declare @IncludedColumns varchar(max)
42 |  set @IndexColumns=''
43 |  set @IncludedColumns=''
44 |  declare CursorIndexColumn cursor for 
45 |  select col.name, ixc.is_descending_key, ixc.is_included_column
46 |  from sys.tables tb 
47 |  inner join sys.indexes ix on tb.object_id=ix.object_id
48 |  inner join sys.index_columns ixc on ix.object_id=ixc.object_id and ix.index_id= ixc.index_id
49 |  inner join sys.columns col on ixc.object_id =col.object_id  and ixc.column_id=col.column_id
50 |  where ix.type>0 and (ix.is_primary_key=1 or ix.is_unique_constraint=1)
51 |  and schema_name(tb.schema_id)=@SchemaName and tb.name=@TableName and ix.name=@IndexName
52 |  order by ixc.index_column_id
53 |  open CursorIndexColumn 
54 |  fetch next from CursorIndexColumn into  @ColumnName, @IsDescendingKey, @IsIncludedColumn
55 |  while (@@fetch_status=0)
56 |  begin
57 |   if @IsIncludedColumn=0 
58 |     set @IndexColumns=@IndexColumns + @ColumnName  +','  --+ case when @IsDescendingKey=1  then ' DESC, ' else  ' ASC, ' end
59 |   else 
60 |    set @IncludedColumns=@IncludedColumns  + @ColumnName  +', ' 
61 |      
62 |   fetch next from CursorIndexColumn into @ColumnName, @IsDescendingKey, @IsIncludedColumn
63 |  end
64 |  close CursorIndexColumn
65 |  deallocate CursorIndexColumn
66 |  set @IndexColumns = substring(@IndexColumns, 1, len(@IndexColumns)-1)
67 |  set @IncludedColumns = case when len(@IncludedColumns) >0 then substring(@IncludedColumns, 1, len(@IncludedColumns)-1) else '' end
68 | --  print @IndexColumns
69 | --  print @IncludedColumns
70 | 
71 | set @TSQLScripCreationIndex =''
72 | set @TSQLScripDisableIndex =''
73 | set  @TSQLScripCreationIndex='ALTER TABLE '+  @SchemaName +'.'+ @TableName + ' ADD CONSTRAINT ' +  @IndexName + @is_unique_constraint + @is_primary_key +  +  '('+@IndexColumns+') '+ 
74 |  case when len(@IncludedColumns)>0 then CHAR(13) +'INCLUDE (' + @IncludedColumns+ ')' else '' end + '; ' + char(13) + ' select 1;' -- + CHAR(13)+'WITH (' + @IndexOptions+ ') ON ' + QUOTENAME(@FileGroupName) + ';'  
75 | 
76 | print @TSQLScripCreationIndex
77 | print @TSQLScripDisableIndex
78 | 
79 | fetch next from CursorIndex into  @SchemaName, @TableName, @IndexName, @is_unique_constraint, @is_primary_key, @IndexTypeDesc, @IndexOptions, @FileGroupName
80 | 
81 | end
82 | close CursorIndex
83 | deallocate CursorIndex


--------------------------------------------------------------------------------
/Step 7- Create all foreign keys.sql:
--------------------------------------------------------------------------------
 1 | --Ref. link: https://www.mssqltips.com/sqlservertip/3443/script-all-primary-keys-unique-constraints-and-foreign-keys-in-a-sql-server-database-using-tsql/
 2 | --Export all foreign keys
 3 | declare @ForeignKeyID int
 4 | declare @ForeignKeyName varchar(4000)
 5 | declare @ParentTableName varchar(4000)
 6 | declare @ParentColumn varchar(4000)
 7 | declare @ReferencedTable varchar(4000)
 8 | declare @ReferencedColumn varchar(4000)
 9 | declare @StrParentColumn varchar(max)
10 | declare @StrReferencedColumn varchar(max)
11 | declare @ParentTableSchema varchar(4000)
12 | declare @ReferencedTableSchema varchar(4000)
13 | declare @TSQLCreationFK varchar(max)
14 | --Written by Percy Reyes www.percyreyes.com
15 | declare CursorFK cursor for select object_id--, name, object_name( parent_object_id) 
16 | from sys.foreign_keys
17 | open CursorFK
18 | fetch next from CursorFK into @ForeignKeyID
19 | while (@@FETCH_STATUS=0)
20 | begin
21 |  set @StrParentColumn=''
22 |  set @StrReferencedColumn=''
23 |  declare CursorFKDetails cursor for
24 |   select  fk.name ForeignKeyName, schema_name(t1.schema_id) ParentTableSchema,
25 |   object_name(fkc.parent_object_id) ParentTable, c1.name ParentColumn,schema_name(t2.schema_id) ReferencedTableSchema,
26 |    object_name(fkc.referenced_object_id) ReferencedTable,c2.name ReferencedColumn
27 |   from --sys.tables t inner join 
28 |   sys.foreign_keys fk 
29 |   inner join sys.foreign_key_columns fkc on fk.object_id=fkc.constraint_object_id
30 |   inner join sys.columns c1 on c1.object_id=fkc.parent_object_id and c1.column_id=fkc.parent_column_id 
31 |   inner join sys.columns c2 on c2.object_id=fkc.referenced_object_id and c2.column_id=fkc.referenced_column_id 
32 |   inner join sys.tables t1 on t1.object_id=fkc.parent_object_id 
33 |   inner join sys.tables t2 on t2.object_id=fkc.referenced_object_id 
34 |   where fk.object_id=@ForeignKeyID
35 |  open CursorFKDetails
36 |  fetch next from CursorFKDetails into  @ForeignKeyName, @ParentTableSchema, @ParentTableName, @ParentColumn, @ReferencedTableSchema, @ReferencedTable, @ReferencedColumn
37 |  while (@@FETCH_STATUS=0)
38 |  begin    
39 |   set @StrParentColumn=@StrParentColumn + ', ' + @ParentColumn
40 |   set @StrReferencedColumn=@StrReferencedColumn + ', ' + @ReferencedColumn
41 |   
42 |      fetch next from CursorFKDetails into  @ForeignKeyName, @ParentTableSchema, @ParentTableName, @ParentColumn, @ReferencedTableSchema, @ReferencedTable, @ReferencedColumn
43 |  end
44 |  close CursorFKDetails
45 |  deallocate CursorFKDetails
46 | 
47 |  set @StrParentColumn=substring(@StrParentColumn,2,len(@StrParentColumn)-1)
48 |  set @StrReferencedColumn=substring(@StrReferencedColumn,2,len(@StrReferencedColumn)-1)
49 |  set @TSQLCreationFK='ALTER TABLE '+ @ParentTableSchema+'.'+ @ParentTableName +'  ADD CONSTRAINT '+ @ForeignKeyName
50 |  + ' FOREIGN KEY('+ltrim(@StrParentColumn)+') '+ char(13) +'REFERENCES '+ @ReferencedTableSchema +'.'+ @ReferencedTable+' ('+ltrim(@StrReferencedColumn)+');' + char(13)+'select 1;'
51 |  
52 |  print @TSQLCreationFK
53 | 
54 | fetch next from CursorFK into @ForeignKeyID 
55 | end
56 | close CursorFK
57 | deallocate CursorFK


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/Step 8- Create all non clustered and filter indexes.sql:
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 1 | --Ref. link: https://www.mssqltips.com/sqlservertip/3441/script-out-all-sql-server-indexes-in-a-database-using-tsql/
 2 | --Exporting all indexes
 3 | declare @SchemaName varchar(100)declare @TableName varchar(256)
 4 | declare @IndexName varchar(256)
 5 | declare @ColumnName varchar(100)
 6 | declare @is_unique varchar(100)
 7 | declare @IndexTypeDesc varchar(100)
 8 | declare @FileGroupName varchar(100)
 9 | declare @is_disabled varchar(100)
10 | declare @IndexOptions varchar(max)
11 | declare @IndexColumnId int
12 | declare @IsDescendingKey int 
13 | declare @IsIncludedColumn int
14 | declare @TSQLScripCreationIndex varchar(max)
15 | declare @TSQLScripDisableIndex varchar(max)
16 | declare @filter_definition varchar(max)
17 | 
18 | declare CursorIndex cursor for
19 |  select schema_name(t.schema_id) [schema_name], t.name, ix.name,
20 |  case when ix.is_unique = 1 then 'UNIQUE ' else '' END 
21 |  , ix.type_desc,
22 |  case when ix.is_padded=1 then 'PAD_INDEX = ON, ' else 'PAD_INDEX = OFF, ' end
23 |  + case when ix.allow_page_locks=1 then 'ALLOW_PAGE_LOCKS = ON, ' else 'ALLOW_PAGE_LOCKS = OFF, ' end
24 |  + case when ix.allow_row_locks=1 then  'ALLOW_ROW_LOCKS = ON, ' else 'ALLOW_ROW_LOCKS = OFF, ' end
25 |  + case when INDEXPROPERTY(t.object_id, ix.name, 'IsStatistics') = 1 then 'STATISTICS_NORECOMPUTE = ON, ' else 'STATISTICS_NORECOMPUTE = OFF, ' end
26 |  + case when ix.ignore_dup_key=1 then 'IGNORE_DUP_KEY = ON, ' else 'IGNORE_DUP_KEY = OFF, ' end
27 |  + 'SORT_IN_TEMPDB = OFF, FILLFACTOR =' + CAST(ix.fill_factor AS VARCHAR(3)) AS IndexOptions
28 |  , ix.is_disabled , FILEGROUP_NAME(ix.data_space_id) FileGroupName,
29 |  filter_definition
30 |  from sys.tables t 
31 |  inner join sys.indexes ix on t.object_id=ix.object_id
32 |  where ix.type>0 and ix.is_primary_key=0 and ix.is_unique_constraint=0 --and schema_name(tb.schema_id)= @SchemaName and tb.name=@TableName
33 |  and t.is_ms_shipped=0 and t.name<>'sysdiagrams'
34 |  order by schema_name(t.schema_id), t.name, ix.name
35 | 
36 | open CursorIndex
37 | fetch next from CursorIndex into  @SchemaName, @TableName, @IndexName, @is_unique, @IndexTypeDesc, @IndexOptions,@is_disabled, @FileGroupName,@filter_definition
38 | 
39 | while (@@fetch_status=0)
40 | begin
41 |  declare @IndexColumns varchar(max)
42 |  declare @IncludedColumns varchar(max)
43 |  
44 |  set @IndexColumns=''
45 |  set @IncludedColumns=''
46 |  
47 |  declare CursorIndexColumn cursor for 
48 |   select col.name, ixc.is_descending_key, ixc.is_included_column
49 |   from sys.tables tb 
50 |   inner join sys.indexes ix on tb.object_id=ix.object_id
51 |   inner join sys.index_columns ixc on ix.object_id=ixc.object_id and ix.index_id= ixc.index_id
52 |   inner join sys.columns col on ixc.object_id =col.object_id  and ixc.column_id=col.column_id
53 |   where ix.type>0 and (ix.is_primary_key=0 or ix.is_unique_constraint=0)
54 |   and schema_name(tb.schema_id)=@SchemaName and tb.name=@TableName and ix.name=@IndexName
55 |   order by ixc.index_column_id
56 |  
57 |  open CursorIndexColumn 
58 |  fetch next from CursorIndexColumn into  @ColumnName, @IsDescendingKey, @IsIncludedColumn
59 |  
60 |  while (@@fetch_status=0)
61 |  begin
62 |   if @IsIncludedColumn=0 
63 |    set @IndexColumns=@IndexColumns + @ColumnName  + case when @IsDescendingKey=1  then ' DESC, ' else  ' ASC, ' end
64 |   else 
65 |    set @IncludedColumns=@IncludedColumns  + @ColumnName  +', ' 
66 | 
67 |   fetch next from CursorIndexColumn into @ColumnName, @IsDescendingKey, @IsIncludedColumn
68 |  end
69 | 
70 |  close CursorIndexColumn
71 |  deallocate CursorIndexColumn
72 | 
73 |  set @IndexColumns = substring(@IndexColumns, 1, len(@IndexColumns)-1)
74 |  set @IncludedColumns = case when len(@IncludedColumns) >0 then substring(@IncludedColumns, 1, len(@IncludedColumns)-1) else '' end
75 | 
76 |  set @filter_definition = replace(replace(replace(replace(replace(@filter_definition, '[', ''), ']', ''), '(1)', 'true'), '(0)', 'false'), '=', ' = ')
77 | 
78 |  set @TSQLScripCreationIndex =''
79 |  set @TSQLScripDisableIndex =''
80 |  set @TSQLScripCreationIndex='CREATE '+ @is_unique  + ' INDEX idx_'  +@IndexName +' ON ' + @SchemaName +'.'+ @TableName + '('+@IndexColumns+') '+ 
81 |   case when len(@IncludedColumns)>0 then CHAR(13) +'INCLUDE (' + @IncludedColumns+ ')' else '' end + case  when @filter_definition is null then '' else ' where ' +  @filter_definition end  + ';' + char(13) + 'select 1;' + CHAR(13) --+'WITH (' + @IndexOptions+ ') ON ' + QUOTENAME(@FileGroupName) + ';'  
82 | 
83 |  print @TSQLScripCreationIndex
84 |  print @TSQLScripDisableIndex
85 | 
86 |  fetch next from CursorIndex into  @SchemaName, @TableName, @IndexName, @is_unique, @IndexTypeDesc, @IndexOptions,@is_disabled, @FileGroupName, @filter_definition
87 | 
88 | end
89 | close CursorIndex
90 | deallocate CursorIndex


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