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76 lines
2.5 KiB
SQL
76 lines
2.5 KiB
SQL
#
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# A note on the naming convention used in this module:
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#
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# As a Dialogue instance can have a number of Dialogues
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# the fact that a course can have more than one Dialogue
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# instance complicates the nomenclature within the code.
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# We want to easily refer to dialogues within dialogues.
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#
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# For this reason a Dialogue instance is said to have
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# a set of Conversations (not dialogues). So the code
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# (and the table structure here) uses conversations
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# within dialogues. The term "conversation" is just an
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# INTERNAL name and it is NOT used in the user
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# interface. There is NO need to distinguish between
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# dialogue instances and a set of dialogues within one
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# dialogue instance from the point of view of teachers
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# or students point of view.
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#
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# Table structure for table dialogue
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#
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CREATE TABLE prefix_dialogue (
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id SERIAL8 PRIMARY KEY,
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course INT8 NOT NULL default '0',
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deleteafter INT8 NOT NULL default '14',
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dialoguetype INT NOT NULL default '0',
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multipleconversations INT NOT NULL default '0',
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maildefault INT NOT NULL default '0',
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timemodified INT8 NOT NULL default '0',
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name varchar(255) default NULL,
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intro text
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) ;
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# --------------------------------------------------------
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#
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# Table structure for table dialogue_conversations (Virtual Conversations)
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#
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CREATE TABLE prefix_dialogue_conversations (
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id SERIAL8 PRIMARY KEY,
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dialogueid INT8 NOT NULL default '0',
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userid INT8 NOT NULL default '0',
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recipientid INT8 NOT NULL default '0',
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lastid INT8 NOT NULL default '0',
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timemodified INT8 NOT NULL default '0',
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closed INT NOT NULL default '0',
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seenon INT8 NOT NULL default '0',
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ctype INT NOT NULL default '0',
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format INT2 NOT NULL default '0',
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subject varchar(100) not null default ''
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) ;
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CREATE INDEX prefix_dialogue_conversations_timemodified_idx ON prefix_dialogue_conversations (timemodified) ;
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CREATE INDEX prefix_dialogue_conversations_dialogueid_idx ON prefix_dialogue_conversations (dialogueid) ;
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#
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# Table structure for table dialogue_entries
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#
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CREATE TABLE prefix_dialogue_entries (
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id SERIAL8 PRIMARY KEY,
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dialogueid INT8 NOT NULL default '0',
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conversationid INT8 NOT NULL default '0',
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userid INT8 NOT NULL default '0',
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timecreated INT8 NOT NULL default '0',
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mailed INT2 NOT NULL default '0',
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text text NOT NULL
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) ;
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CREATE INDEX prefix_dialogue_entries_conversationid_idx ON prefix_dialogue_entries (conversationid) ;
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#
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# Data for the table log_display
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#
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INSERT INTO prefix_log_display VALUES ('dialogue', 'view', 'dialogue', 'name');
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