====== pears.ChatMessage ======
<WRAP center round info>
Generated schema reference. Regenerate this page from the SQL unload; keep hand-maintained business notes in the narrative namespace.
</WRAP>

===== Description =====
Links to staff

===== Columns =====
^ Column ^ Type ^ Null ^ Default ^ Comment ^
| **ChatID** | char(20) | NOT NULL |  |  |
| **ChatDate** | timestamp | NOT NULL |  |  |
| **WhoID** | char(20) | NOT NULL |  |  |
| **WhoType** | char(1) | NOT NULL |  | N=IQXUser S=IQX Consultant |
| ChatMessage | char(255) | NULL |  |  |

===== Primary Key =====
  * ChatID, ChatDate, WhoID, WhoType

===== Foreign Keys =====
^ Constraint ^ Columns ^ References ^ Delete/update action ^
| Chat | ChatID | [[database:tables:pears_chat|pears.Chat (ChatID)]] | NOT NULL; ON DELETE CASCADE |

===== Referenced By =====
  * No incoming foreign keys found.

===== Indexes =====
  * No indexes found.

===== Triggers =====
  * No triggers found.

===== Original SQL =====
<code sql>
-- IQX database structure split by table
-- Source: IQXDatabaseStructure - with comments.sql
-- Table: "pears"."ChatMessage"
-- Table comment: Links to staff
-- Statement count: 4

CREATE TABLE "pears"."ChatMessage" (
    "ChatID"                         char(20) NOT NULL
   ,"ChatDate"                       timestamp NOT NULL
   ,"WhoID"                          char(20) NOT NULL
   ,"WhoType"                        char(1) NOT NULL
   ,"ChatMessage"                    char(255) NULL
   ,PRIMARY KEY ("ChatID" ASC,"ChatDate" ASC,"WhoID" ASC,"WhoType" ASC) 
)
go


COMMENT ON COLUMN "pears"."ChatMessage"."WhoType" IS 
	'N=IQXUser S=IQX Consultant'
go


COMMENT ON TABLE "pears"."ChatMessage" IS 
	'Links to staff'
go


ALTER TABLE "pears"."ChatMessage"
    ADD NOT NULL FOREIGN KEY "Chat" ("ChatID" ASC)
    REFERENCES "pears"."Chat" ("ChatID")
    ON DELETE CASCADE
go
</code>