diff --git a/codepot/README b/codepot/README
index f2b5d510..53edd5db 100644
--- a/codepot/README
+++ b/codepot/README
@@ -26,6 +26,7 @@ UPGRADING FROM 0.2.0
   mysql> create the issue_file_list table according to the definition found in codepot.mysql
   mysql> ALTER TABLE issue_change ADD COLUMN(createdon datetime not null, createdby varchar(32) not null);
   mysql> UPDATE issue_change SET createdby=updatedby, createdon=updatedon;
+  mysql> create the issue_coderev table according to the definition found in codepot.mysql
 
 INSTALLATION ON CENTOS
 
diff --git a/codepot/etc/codepot.oracle b/codepot/etc/codepot.oracle
index 929f31bc..f8a09d35 100644
--- a/codepot/etc/codepot.oracle
+++ b/codepot/etc/codepot.oracle
@@ -155,6 +155,19 @@ CREATE TABLE "cpot_issue_change_file_list" (
 	CONSTRAINT issue_change_file_list_c2 FOREIGN KEY ("projectid","issueid","issuesno") REFERENCES "cpot_issue_change"("projectid","id","sno")
 );
 
+CREATE TABLE "cpot_issue_coderev" (
+	"projectid"  VARCHAR(32)   NOT NULL,
+	"issueid"    NUMBER(20,0)  NOT NULL,
+	"codeproid"  VARCHAR(32)   NOT NULL,
+	"coderev"    VARCHAR(64)   NOT NULL,
+	UNIQUE ("projectid", "issueid", "codeproid", "coderev"),
+	CONSTRAINT issue_coderev_projectid FOREIGN KEY ("projectid") REFERENCES "project"("id"),
+	CONSTRAINT issue_coderev_codeproid FOREIGN KEY ("codeproid") REFERENCES "project"("id")
+);
+
+CREATE INDEX issue_coderev_index_1 ON "issue_coderev"("codeproid", "coderev");
+CREATE INDEX issue_coderev_index_2 ON "issue_coderev"("projectid", "issueid");
+
 CREATE TABLE "cpot_file" (
 	"projectid"   VARCHAR(32)    NOT NULL,
 	"name"        VARCHAR(255)   NOT NULL,
@@ -192,7 +205,7 @@ CREATE TABLE "cpot_code_review" (
 	"projectid"    VARCHAR(32)   NOT NULL,
 	"rev"          NUMBER(20,0)  NOT NULL,
 	"sno"          NUMBER(20,0)  NOT NULL,
-	"comment" CLOB          NOT NULL,
+	"comment"      CLOB          NOT NULL,
 	"createdon"    TIMESTAMP     NOT NULL,
 	"createdby"    VARCHAR(32)   NOT NULL,
 	"updatedon"    TIMESTAMP     NOT NULL,
@@ -240,9 +253,11 @@ BEGIN
 	UPDATE "cpot_wiki" SET "projectid" = :new."id" WHERE "projectid" = :old."id";
 	UPDATE "cpot_wiki_attachment" SET "projectid" = :new."id" WHERE "projectid" = :old."id";
 	UPDATE "cpot_issue" SET "projectid" = :new."id" WHERE "projectid"= :old."id";
-	UPDATE "cpot_issue_attachment" SET "projectid" = :new."id" WHERE "projectid" = :old."id";
+	UPDATE "cpot_issue_file_list" SET "projectid" = :new."id" WHERE "projectid" = :old."id";
 	UPDATE "cpot_issue_change" SET "projectid" = :new."id" WHERE "projectid" = :old."id";
-	UPDATE "cpot_issue_change_attachment" SET "projectid" = :new."id" WHERE "projectid" = :old."id";
+	UPDATE "cpot_issue_change_file_list" SET "projectid" = :new."id" WHERE "projectid" = :old."id";
+	UPDATE "cpot_issue_coderev" SET "projectid" = :new."id" WHERE "projectid" = :old."id";
+	UPDATE "cpot_issue_coderev" SET "codeproid" = :new."id" WHERE "codeproid" = :old."id";
 	UPDATE "cpot_file" SET "projectid" = :new."id" WHERE "projectid" = :old."id";
 	UPDATE "cpot_code_review" SET "projectid" = :new."id" WHERE "projectid" = :old."id";
 END;
@@ -258,13 +273,14 @@ CREATE OR REPLACE TRIGGER cpot_upon_issue_id_update AFTER UPDATE OF "id" ON "cpo
 BEGIN
 	UPDATE "cpot_issue_file_list" SET "issueid" = :new."id" WHERE "projectid" = :old."projectid" AND "issueid" = :old."id";
 	UPDATE "cpot_issue_change" SET "id" = :new."id" WHERE "projectid" = :old."projectid" AND "id" = :old."id";
-	UPDATE "cpot_issue_change_attachment" SET "issueid" = :new."id" WHERE "projectid" = :old."projectid" AND "issueid" = :old."id";
+	UPDATE "cpot_issue_change_file_list" SET "issueid" = :new."id" WHERE "projectid" = :old."projectid" AND "issueid" = :old."id";
+	UPDATE "cpot_issue_coderev" SET "issueid" = :new."id" WHERE WHERE "projectid" = :old."projectid" AND "issueid" = :old."id";
 END;
 /
 
 CREATE OR REPLACE TRIGGER cpot_upon_issue_chsno_update AFTER UPDATE OF "id" ON "cpot_issue_change" FOR EACH ROW
 BEGIN
-	UPDATE "cpot_issue_change_attachment" SET "issuesno" = :new."sno" WHERE "projectid" = :old."projectid" AND "issueid" = :old."id" AND "issuesno" = :old."sno";
+	UPDATE "cpot_issue_change_file_list" SET "issuesno" = :new."sno" WHERE "projectid" = :old."projectid" AND "issueid" = :old."id" AND "issuesno" = :old."sno";
 END;
 /
 
diff --git a/codepot/etc/codepot.pgsql b/codepot/etc/codepot.pgsql
index bc351f0d..a5dbbc42 100644
--- a/codepot/etc/codepot.pgsql
+++ b/codepot/etc/codepot.pgsql
@@ -187,6 +187,26 @@ CREATE TABLE issue_change_file_list (
 		ON DELETE RESTRICT ON UPDATE CASCADE
 );
 
+CREATE TABLE issue_coderev (
+	projectid  VARCHAR(32)   NOT NULL,
+	issueid    BIGINT        NOT NULL,
+
+	codeproid  VARCHAR(32)   NOT NULL,
+	coderev    VARCHAR(64)   NOT NULL,
+
+	UNIQUE (projectid, issueid, codeproid, coderev),
+
+	CONSTRAINT issue_coderev_projectid FOREIGN KEY (projectid) REFERENCES project(id)
+		ON DELETE RESTRICT ON UPDATE CASCADE,
+
+	CONSTRAINT issue_coderev_codeproid FOREIGN KEY (codeproid) REFERENCES project(id)
+		ON DELETE RESTRICT ON UPDATE CASCADE
+);
+
+CREATE INDEX issue_coderev_index_1 ON issue_coderev(codeproid, coderev);
+CREATE INDEX issue_coderev_index_2 ON issue_coderev(projectid, issueid);
+
+
 CREATE TABLE file (
 	projectid   VARCHAR(32)   NOT NULL,
 	name        VARCHAR(255)  NOT NULL,