X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/19e297c21b10b1b8a3acad5e73fc71dcb35db44a..6932310fd58ebef145fa01eb76edf7150284d8ea:/maintenance/mssql/archives/patch-archive-drop-fks.sql

diff --git a/maintenance/mssql/archives/patch-archive-drop-fks.sql b/maintenance/mssql/archives/patch-archive-drop-fks.sql
new file mode 100644
index 00000000..3055ac98
--- /dev/null
+++ b/maintenance/mssql/archives/patch-archive-drop-fks.sql
@@ -0,0 +1,59 @@
+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;