output.txt

OUTPUT.txt

@@ -1,70 +1,84 @@
-Assuming previously defined Attribute, compiled in a vector known as 'vec' and with subsequent numbers added
+show incorrect/correct example for each cmd/query
 
-To create a table:
+---------------
+Queries
+---------------
 
-	engine.createTable("table1", vec);
+Selection:
 
+correct: select ( age == 12 ) people ;
+incorrect: select ( age ))))) people ;
 
-This creates a Relation object with the appropriate Attribute objects. It displays nothing.
+Projection:
 
-To display the table:
+correct: project ( age ) people ;
+incorrect: x
 
-	engine.showTables(engine.getTableFromName("table1"));
+Renaming:
 
+correct: rename ( age, years old ) ;
+incorrect: x
 
-This results in such output:
+Set Union:
 
-	Display of relation--------------------------------
+correct: x
-	Relation name: table1
+incorrect: x
 
-	Attribute name: name
+Set Difference:
-	Elements: Fry      Bender      Leela      Zoidberg
-	Attribute name: age
-	Elements: 22      5      22      50      
 
+correct: x
+incorrect: x
 
-With table3 having an equal domain to table1, this:
+Cross Product:
 
-	cout << engine.unionComp(engine.getTableFromName("table1"), engine.getTableFromName("table3"));
+correct: x
+incorrect: x
 
+-------------------
+Commands
+-------------------
 
-This will display:
+Open:
 
-	1
+correct: OPEN people ;
+incorrect: OPEN ;
 
+Close:
 
-To project a table's column:
+correct: CLOSE people ;
-	
+incorrect: CLOSE ;
-	engine.project((engine.getTableFromName("table1")), "name");
 
+Save:
 
-This will display:
+correct: SAVE people ;
+incorrect: SAVE ;
 
-	-----------Initiated Query Projection---------
+Exit:
-	Column Title: name
-	Fry
-	Bender
-	Leela
-	Zoidberg
 
+correct: EXIT ;
+incorrect: EXIT people ;
 
-With an arbitrary vector of strings as cmds (until we are able to parse effectively):
+Show:
 
-	engine.saveToFile(cmds);
+correct: SHOW people ;
+incorrect: SHOW ;
 
+Create:
 
-This will result in a db file with the contents:
+correct: CREATE TABLE people ( age INTEGER, name VARCHAR ( 20 ) ) PRIMARY KEY ( name ) ;
+incorrect: CREATE TABLE people age name ;
 
-	CREATE TABLE animals (name VARCHAR(20), kind VARCHAR(8), years INTEGER) PRIMARY KEY (name, kind);
+Update:
-	
-SHOW animals;
 
+correct: x
+incorrect: x
 
+Insert:
 
-//insert
+correct: INSERT INTO people VALUES FROM ( 12, "Benny" ) ;
+incorrect: INSERT INTO people 12 "Benny" ;
 
-//delete
+Delete:
 
-//select
+correct: x
-
+incorrect: x
-//product