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-rw-r--r--www/wiki/maintenance/mssql/archives/patch-archive-drop-fks.sql59
1 files changed, 59 insertions, 0 deletions
diff --git a/www/wiki/maintenance/mssql/archives/patch-archive-drop-fks.sql b/www/wiki/maintenance/mssql/archives/patch-archive-drop-fks.sql
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+++ b/www/wiki/maintenance/mssql/archives/patch-archive-drop-fks.sql
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+DECLARE @base nvarchar(max),
+ @SQL nvarchar(max),
+ @id sysname;--
+
+SET @base = 'ALTER TABLE /*_*/archive DROP CONSTRAINT ';--
+
+SELECT @id = fk.name
+FROM sys.foreign_keys fk
+JOIN sys.foreign_key_columns fkc
+ ON fkc.constraint_object_id = fk.object_id
+JOIN sys.columns c
+ ON c.column_id = fkc.parent_column_id
+ AND c.object_id = fkc.parent_object_id
+WHERE
+ fk.parent_object_id = OBJECT_ID('/*_*/archive')
+ AND fk.referenced_object_id = OBJECT_ID('/*_*/revision')
+ AND c.name = 'ar_parent_id';--
+
+SET @SQL = @base + @id;--
+
+EXEC sp_executesql @SQL;--
+
+-- while we're at it, let's fix up the other foreign key constraints on archive
+-- as future patches touch constraints on other tables, they'll take the time to update constraint names there as well
+SELECT @id = fk.name
+FROM sys.foreign_keys fk
+JOIN sys.foreign_key_columns fkc
+ ON fkc.constraint_object_id = fk.object_id
+JOIN sys.columns c
+ ON c.column_id = fkc.parent_column_id
+ AND c.object_id = fkc.parent_object_id
+WHERE
+ fk.parent_object_id = OBJECT_ID('/*_*/archive')
+ AND fk.referenced_object_id = OBJECT_ID('/*_*/mwuser')
+ AND c.name = 'ar_user';--
+
+SET @SQL = @base + @id;--
+
+EXEC sp_executesql @SQL;--
+
+ALTER TABLE /*_*/archive ADD CONSTRAINT ar_user__user_id__fk FOREIGN KEY (ar_user) REFERENCES /*_*/mwuser(user_id);--
+
+SELECT @id = fk.name
+FROM sys.foreign_keys fk
+JOIN sys.foreign_key_columns fkc
+ ON fkc.constraint_object_id = fk.object_id
+JOIN sys.columns c
+ ON c.column_id = fkc.parent_column_id
+ AND c.object_id = fkc.parent_object_id
+WHERE
+ fk.parent_object_id = OBJECT_ID('/*_*/archive')
+ AND fk.referenced_object_id = OBJECT_ID('/*_*/text')
+ AND c.name = 'ar_text_id';--
+
+SET @SQL = @base + @id;--
+
+EXEC sp_executesql @SQL;--
+
+ALTER TABLE /*_*/archive ADD CONSTRAINT ar_text_id__old_id__fk FOREIGN KEY (ar_text_id) REFERENCES /*_*/text(old_id) ON DELETE CASCADE;