Adding column constraint references test

Signed-off-by: Emanuel Calvo <emanuel@ongres.com>

test/JDBC/expected/BABEL-COLUMN-CONSTRAINT.out

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+USE master;
+GO
+
+CREATE SCHEMA [Babelfish_COLCONST];
+GO
+
+create table [Babelfish_COLCONST].[a] (
+  id int identity primary key,
+  texto varchar(50) NOT NULL
+);
+GO
+
+create table [Babelfish_COLCONST].[b] (
+  id int identity primary key,
+  foreign_id int not null references [Babelfish_COLCONST].[a],
+  texto varchar(50) NOT NULL
+);
+GO
+
+create table [Babelfish_COLCONST].[c] (
+    id int identity primary key,
+    foreign_id int not null,
+    foreign key(foreign_id) references [Babelfish_COLCONST].[a](id),
+    texto varchar(50) NOT NULL
+);
+GO
+
+SET IDENTITY_INSERT [Babelfish_COLCONST].[a] ON;
+insert into [Babelfish_COLCONST].[a](id,texto) values(1, 'some text');
+SET IDENTITY_INSERT [Babelfish_COLCONST].[a] OFF;
+GO
+~~ROW COUNT: 1~~
+
+
+insert into [Babelfish_COLCONST].[b](foreign_id, texto) values(1,'insert text');
+GO
+~~ROW COUNT: 1~~
+
+
+insert into [Babelfish_COLCONST].[c](foreign_id, texto) values(1,'insert text');
+GO
+~~ROW COUNT: 1~~
+
+
+DROP TABLE [Babelfish_COLCONST].[c];
+DROP TABLE [Babelfish_COLCONST].[b];
+DROP TABLE [Babelfish_COLCONST].[a];
+DROP SCHEMA [Babelfish_COLCONST];
+GO

test/JDBC/input/BABEL-COLUMN-CONSTRAINT.sql

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+USE master;
+GO
+
+CREATE SCHEMA [Babelfish_COLCONST];
+GO
+
+create table [Babelfish_COLCONST].[a] (
+  id int identity primary key,
+  texto varchar(50) NOT NULL
+);
+GO
+
+create table [Babelfish_COLCONST].[b] (
+  id int identity primary key,
+  foreign_id int not null references [Babelfish_COLCONST].[a],
+  texto varchar(50) NOT NULL
+);
+GO
+
+create table [Babelfish_COLCONST].[c] (
+    id int identity primary key,
+    foreign_id int not null,
+    foreign key(foreign_id) references [Babelfish_COLCONST].[a](id),
+    texto varchar(50) NOT NULL
+);
+GO
+
+SET IDENTITY_INSERT [Babelfish_COLCONST].[a] ON;
+insert into [Babelfish_COLCONST].[a](id,texto) values(1, 'some text');
+SET IDENTITY_INSERT [Babelfish_COLCONST].[a] OFF;
+GO
+
+insert into [Babelfish_COLCONST].[b](foreign_id, texto) values(1,'insert text');
+GO
+
+insert into [Babelfish_COLCONST].[c](foreign_id, texto) values(1,'insert text');
+GO
+
+DROP TABLE [Babelfish_COLCONST].[c];
+DROP TABLE [Babelfish_COLCONST].[b];
+DROP TABLE [Babelfish_COLCONST].[a];
+DROP SCHEMA [Babelfish_COLCONST];
+GO