io.ebeaninternal.dbmigration.builtin-extra-ddl.xml Maven / Gradle / Ivy

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composite of common runtime dependencies for all platforms
There is a newer version: 15.8.1
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<extra-ddl xmlns="http://ebean-orm.github.io/xml/ns/extraddl">

<ddl-script name="create procs" platforms="sqlserver" init="true">-- Initial script to create stored procedures etc for sqlserver platform

-- create table-value-parameters
if not exists (select name  from sys.types where name = 'ebean_bigint_tvp') create type ebean_bigint_tvp as table (c1 bigint)
GO
if not exists (select name  from sys.types where name = 'ebean_float_tvp') create type ebean_float_tvp as table (c1 float)
GO
if not exists (select name  from sys.types where name = 'ebean_bit_tvp') create type ebean_bit_tvp as table (c1 bit)
GO
if not exists (select name  from sys.types where name = 'ebean_date_tvp') create type ebean_date_tvp as table (c1 date)
GO
if not exists (select name  from sys.types where name = 'ebean_time_tvp') create type ebean_time_tvp as table (c1 time)
GO
if not exists (select name  from sys.types where name = 'ebean_uniqueidentifier_tvp') create type ebean_uniqueidentifier_tvp as table (c1 uniqueidentifier)
GO
if not exists (select name  from sys.types where name = 'ebean_nvarchar_tvp') create type ebean_nvarchar_tvp as table (c1 nvarchar(max))
GO

--
-- PROCEDURE: usp_ebean_drop_indices TABLE, COLUMN
-- deletes all indices referring to TABLE.COLUMN
--
CREATE OR ALTER PROCEDURE usp_ebean_drop_indices @tableName nvarchar(255), @columnName nvarchar(255)
AS SET NOCOUNT ON
declare @sql nvarchar(1000)
declare @indexName nvarchar(255)
BEGIN
  DECLARE index_cursor CURSOR FOR SELECT i.name from sys.indexes i
    join sys.index_columns ic on ic.object_id = i.object_id and ic.index_id = i.index_id
    join sys.columns c on c.object_id = ic.object_id and c.column_id = ic.column_id
    where i.object_id = OBJECT_ID(@tableName) AND c.name = @columnName;
  OPEN index_cursor
  FETCH NEXT FROM index_cursor INTO @indexName
  WHILE @@FETCH_STATUS = 0
    BEGIN
      set @sql = 'drop index ' + @indexName + ' on ' + @tableName;
      EXECUTE(@sql);

      FETCH NEXT FROM index_cursor INTO @indexName
    END;
  CLOSE index_cursor;
  DEALLOCATE index_cursor;
END
GO

--
-- PROCEDURE: usp_ebean_drop_default_constraint TABLE, COLUMN
-- deletes the default constraint, which has a random name
--
CREATE OR ALTER PROCEDURE usp_ebean_drop_default_constraint @tableName nvarchar(255), @columnName nvarchar(255)
AS SET NOCOUNT ON
declare @tmp nvarchar(1000)
BEGIN
  select @tmp = t1.name from sys.default_constraints t1
    join sys.columns t2 on t1.object_id = t2.default_object_id
    where t1.parent_object_id = OBJECT_ID(@tableName) and t2.name = @columnName;

  if @tmp is not null EXEC('alter table ' + @tableName +' drop constraint ' + @tmp);
END
GO

--
-- PROCEDURE: usp_ebean_drop_constraints TABLE, COLUMN
-- deletes constraints and foreign keys refering to TABLE.COLUMN
--
CREATE OR ALTER PROCEDURE usp_ebean_drop_constraints @tableName nvarchar(255), @columnName nvarchar(255)
AS SET NOCOUNT ON
declare @sql nvarchar(1000)
declare @constraintName nvarchar(255)
BEGIN
  DECLARE name_cursor CURSOR FOR
  SELECT cc.name from sys.check_constraints cc
    join sys.columns c on c.object_id = cc.parent_object_id and c.column_id = cc.parent_column_id
    where parent_object_id = OBJECT_ID(@tableName) AND c.name = @columnName
  UNION SELECT fk.name from sys.foreign_keys fk
    join sys.foreign_key_columns fkc on fkc.constraint_object_id = fk.object_id
      and  fkc.parent_object_id = fk.parent_object_id
    join sys.columns c on c.object_id = fkc.parent_object_id and c.column_id = fkc.parent_column_id
    where fkc.parent_object_id = OBJECT_ID(@tableName) AND c.name = @columnName;

  OPEN name_cursor
  FETCH NEXT FROM name_cursor INTO @constraintName
  WHILE @@FETCH_STATUS = 0
    BEGIN
      set @sql = 'alter table ' + @tableName + ' drop constraint ' + @constraintName;
      EXECUTE(@sql);

      FETCH NEXT FROM name_cursor INTO @constraintName
    END;
  CLOSE name_cursor;
  DEALLOCATE name_cursor;
END
GO

--
-- PROCEDURE: usp_ebean_drop_column TABLE, COLUMN
-- deletes the column annd ensures that all indices and constraints are dropped first
--
CREATE OR ALTER PROCEDURE usp_ebean_drop_column @tableName nvarchar(255), @columnName nvarchar(255)
AS SET NOCOUNT ON
declare @sql nvarchar(1000)
BEGIN
  EXEC usp_ebean_drop_indices @tableName, @columnName;
  EXEC usp_ebean_drop_default_constraint @tableName, @columnName;
  EXEC usp_ebean_drop_constraints @tableName, @columnName;

  set @sql = 'alter table ' + @tableName + ' drop column ' + @columnName;
  EXECUTE(@sql);
END
GO
</ddl-script>

</extra-ddl>