add some unique constraints

sql/allstargames.sql

@@ -29,7 +29,7 @@ where game = '';
 create table if not exists allstargames (
 	"year"	numeric,
 	"gameNum"	numeric,
-	"game"	text,
+	"game"	text	unique,
 	primary key("year","gameNum"),
 	foreign key("year") references "seasons"("year")
 );

sql/allstarstartingpos.sql

@@ -45,6 +45,7 @@ CREATE TABLE "allstarstartingpos" (
 	"league"	NUMERIC,
 	"startingPos"	NUMERIC,
 	primary key("year","gameNum","league","startingPos"),
+	unique("year","gameNum","league","startingPos"),
 	foreign key("player","year","gameNum") references "allstars"("player","year","gameNum"),
 	foreign key("league") references "leagues"("ID")
 );

sql/people.sql

@@ -12,6 +12,14 @@ insert into people values
 ('fowlebu99', 1858, 3, 16, 'USA', 'NY', 'Fort Plain', 1913, 2, 26, 'USA', 'NY', 'Frankfort', 'Bud', 'Fowler', 'John W. Jackson', 155, 67, 'R', 'R', null, null, null, 'fowlebu99'),
 ('thompan01', null, null, null, null, null, null, null, null, null, null, null, null, null, 'Thompson', null, null, null, null, null, '1875-04-26', '1875-05-17', null, 'thompan01');
 
+update people
+set bbrefID = null
+where bbrefID = '';
+
+update people
+set retroID = null
+where retroID = '';
+
 CREATE TABLE main."people" (
 	"ID"	text,
 	"birthYear"	NUMERIC,
@@ -35,8 +43,8 @@ CREATE TABLE main."people" (
 	"throws"	text,
 	"debut"	text,
 	"finalGame"	text,
-	"retroID"	text,
-	"bbrefID"	text,
+	"retroID"	text	unique,
+	"bbrefID"	text	unique,
 	primary key("ID")
 );
 

sql/teamseasons.sql

@@ -65,6 +65,9 @@ create table if not exists main."teamseasons" (
 	"teamIDlahman45"	TEXT,
 	"teamIDretro"	TEXT,
 	PRIMARY KEY("year","team"),
+	UNIQUE("year","teamIDBR"),
+	UNIQUE("year","teamIDlahman45"),
+	UNIQUE("year","teamIDretro"),
 	foreign key("year") references "seasons"("year"),
 	foreign key("league") references "leagues"("ID"),
 	foreign key("team") references "teams"("ID")