diff --git a/sql/ght-restore-pg b/sql/ght-restore-pg
index 7d6f547..2a9f20f 100755
--- a/sql/ght-restore-pg
+++ b/sql/ght-restore-pg
@@ -64,6 +64,9 @@ fi
 echo "`date` Creating the DB schema"
 cat $dumpDir/pg_schema.sql | $psql
 
+# 1.5 some commits data comtain invalid datetime values, this step will replace those values with earlist unix time
+sed -i -e 's/0000-00-00 00:00:00/1970-01-02 00:00:00/' commits.csv
+
 # 2. Restore CSV files with disabled FK checks
 for f in $dumpDir/*.csv ; do
   table=`basename $f|cut -f1 -d'.'`
diff --git a/sql/pg_indexes_and_foreign_keys.sql b/sql/pg_indexes_and_foreign_keys.sql
index e689a45..604a213 100644
--- a/sql/pg_indexes_and_foreign_keys.sql
+++ b/sql/pg_indexes_and_foreign_keys.sql
@@ -6,6 +6,7 @@ ALTER TABLE ONLY users ADD CONSTRAINT users_login_key UNIQUE (login);
 
 CREATE INDEX "followers_follower_id" ON "followers" ("follower_id");
 CREATE INDEX "project_commits_commit_id" ON "project_commits" ("commit_id");
+CREATE INDEX "project_commits_project_id" ON "project_commits" ("project_id");
 CREATE INDEX "project_languages_project_id" ON "project_languages" ("project_id");
 CREATE INDEX "projects_name" ON "projects" ("name");
 
diff --git a/sql/pg_schema.sql b/sql/pg_schema.sql
index 3ca34d0..1383ac8 100644
--- a/sql/pg_schema.sql
+++ b/sql/pg_schema.sql
@@ -284,7 +284,7 @@ CREATE TABLE "users" (
   "country_code" character(3),
   "state" character varying(255),
   "city" character varying(255),
-  "location" character text
+  "location" text
 )
 WITHOUT OIDS;