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Allow running old migratinos

master
Dylan Baker 3 år sedan
förälder
incheckning
a4601594ea
1 ändrade filer med 52 tillägg och 35 borttagningar
  1. 52
    35
      db/migrate.rb

+ 52
- 35
db/migrate.rb Visa fil

@@ -1,9 +1,10 @@
1
+require 'pg'
1 2
 require 'sequel'
2 3
 
3 4
 require_relative 'connect'
4 5
 
5 6
 def migrate
6
-  db = connect
7
+  db = DB
7 8
   db.create_table? :threads do
8 9
     primary_key :id
9 10
     String :title
@@ -24,38 +25,54 @@ def migrate
24 25
     column :tsv, 'tsvector'
25 26
   end
26 27
 
27
-  db.run('CREATE INDEX tsv_idx ON posts USING gin(tsv);')
28
-
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-  db.create_function?(:update_last_post, <<-SQL, language: :plpgsql, returns: :trigger)
30
-    BEGIN
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-      UPDATE threads
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-      SET
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-        last_post_created_at = NEW.created_at,
34
-        last_post_creator = NEW.creator
35
-      WHERE
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-        threads.id = NEW.thread_id;
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-      RETURN NEW;
38
-    END
39
-  SQL
40
-
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-  db.create_function?(:set_posts_tsv, <<-SQL, language: :plpgsql, returns: :trigger)
42
-    BEGIN
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-      NEW.tsv = to_tsvector(new.body);
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-      RETURN NEW;
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-    END
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-  SQL
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-
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-  db.run(<<-SQL)
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-    CREATE TRIGGER update_last_post
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-    AFTER INSERT ON posts
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-    FOR EACH ROW
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-    EXECUTE PROCEDURE update_last_post();
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-  SQL
54
-
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-  db.run(<<-SQL)
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-    CREATE TRIGGER set_posts_tsv
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-    BEFORE INSERT OR UPDATE ON posts
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-    FOR EACH ROW
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-    EXECUTE PROCEDURE set_posts_tsv();
60
-  SQL
28
+  db.run('CREATE INDEX IF NOT EXISTS tsv_idx ON posts USING gin(tsv);')
29
+
30
+  begin
31
+    db.create_function(:update_last_post, <<-SQL, language: :plpgsql, returns: :trigger)
32
+      BEGIN
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+        UPDATE threads
34
+        SET
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+          last_post_created_at = NEW.created_at,
36
+          last_post_creator = NEW.creator
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+        WHERE
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+          threads.id = NEW.thread_id;
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+        RETURN NEW;
40
+      END
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+    SQL
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+  rescue Sequel::DatabaseError => e
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+    raise e unless e.wrapped_exception.is_a?(PG::DuplicateFunction)
44
+  end
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+
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+  begin
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+    db.create_function(:set_posts_tsv, <<-SQL, language: :plpgsql, returns: :trigger)
48
+      BEGIN
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+        NEW.tsv = to_tsvector(new.body);
50
+        RETURN NEW;
51
+      END
52
+    SQL
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+  rescue Sequel::DatabaseError => e
54
+    raise e unless e.wrapped_exception.is_a?(PG::DuplicateFunction)
55
+  end
56
+
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+  begin
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+    db.run(<<-SQL)
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+      CREATE TRIGGER update_last_post
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+      AFTER INSERT ON posts
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+      FOR EACH ROW
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+      EXECUTE PROCEDURE update_last_post();
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+    SQL
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+  rescue Sequel::DatabaseError => e
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+    raise e unless e.wrapped_exception.is_a?(PG::DuplicateObject)
66
+  end
67
+
68
+  begin
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+    db.run(<<-SQL)
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+      CREATE TRIGGER set_posts_tsv
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+      BEFORE INSERT OR UPDATE ON posts
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+      FOR EACH ROW
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+      EXECUTE PROCEDURE set_posts_tsv();
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+    SQL
75
+  rescue Sequel::DatabaseError => e
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+    raise e unless e.wrapped_exception.is_a?(PG::DuplicateObject)
77
+  end
61 78
 end

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