DBZ-4999 fixing Informix tutorial example

tutorial/debezium-ifx-init/ifxserver/Dockerfile

@@ -5,6 +5,7 @@ LABEL maintainer="Debezium Community"
 ADD --chown=informix:informix --chmod=775 informix_post_init.sh /opt/ibm/config
 ADD --chown=informix:informix --chmod=775 inventory.sql /opt/ibm/informix/etc
 
+ENV DBDATE Y4MD-
 ENV TYPE oltp
 ENV SIZE medium
 ENV LICENSE accept

tutorial/debezium-ifx-init/ifxserver/inventory.sql

@@ -1,10 +1,10 @@
+DATABASE sysuser;
 
 -- Create and populate our products using a single insert with many rows
 CREATE TABLE informix.products (
-  id INTEGER NOT NULL GENERATED ALWAYS AS IDENTITY
-      (START WITH 101, INCREMENT BY 1) PRIMARY KEY,
+  id SERIAL(101) NOT NULL PRIMARY KEY,
   name VARCHAR(255) NOT NULL,
-  description VARCHAR(512),
+  description LVARCHAR(512),
   weight FLOAT
 );
 INSERT INTO informix.products(name,description,weight)
@@ -42,8 +42,7 @@ INSERT INTO informix.products_on_hand VALUES (108,2);
 INSERT INTO informix.products_on_hand VALUES (109,5);
 
 CREATE TABLE informix.customers (
-  id INTEGER  NOT NULL GENERATED ALWAYS AS IDENTITY
-      (START WITH 1001, INCREMENT BY 1) PRIMARY KEY,
+  id SERIAL(1001) NOT NULL PRIMARY KEY,
   first_name VARCHAR(255) NOT NULL,
   last_name VARCHAR(255) NOT NULL,
   email VARCHAR(255) NOT NULL UNIQUE
@@ -58,8 +57,7 @@ INSERT INTO informix.customers(first_name,last_name,email)
   VALUES ('Anne','Kretchmar','[email protected]');
 
 CREATE TABLE informix.orders (
-  id INTEGER NOT NULL GENERATED ALWAYS AS IDENTITY
-      (START WITH 10001, INCREMENT BY 1) PRIMARY KEY,
+  id SERIAL(10001) NOT NULL PRIMARY KEY,
   order_date DATE NOT NULL,
   purchaser INTEGER NOT NULL,
   quantity INTEGER NOT NULL,

tutorial/register-ifx.json

@@ -8,8 +8,7 @@
         "database.port" : "9088",
         "database.user" : "informix",
         "database.password" : "in4mix",
-        "database.dbname" : "informix",
-        "database.cdcschema": "informix",
+        "database.dbname" : "sysuser",
         "schema.history.internal.kafka.bootstrap.servers" : "kafka:9092",
         "schema.history.internal.kafka.topic": "schema-changes.inventory"
     }