我正在尝试使用pgloader将数据库从sqlite迁移到postgresql。我的sqlite数据库叫做app.db.所以运行以下命令
createdb new_pg_appdb
pgloader ./app.db postgresql:///new_pg_appdb
pgloader命令似乎从sqlite数据库导入了一些行，因为最终输出看起来像这样
table name read imported errors time
------------------------------ --------- --------- --------- --------------
fetch 0 0 0 0.000s
fetch meta data 20 20 0 0.017s
create, truncate 0 0 0 0.047s
------------------------------ --------- --------- --------- --------------
alembic_version 0 1 0 0.136s
email_stack 0 0 0 0.004s
papers 0 56835 0 12.527s
user 0 0 0 0.169s
followers 0 121 0 0.020s
groups 0 29 0 0.004s
profile_views 0 448 0 0.007s
read_dates 0 2193 0 0.027s
reading_list 0 1368 0 0.028s
special_announcement 0 764 0 0.027s
members 0 174 0 0.057s
vote_list 0 939 0 0.026s
paperclicks 0 2459 0 0.052s
paper_counts 0 2301 0 0.086s
site_usage 0 27 0 0.005s
extra_paper_data 0 0 0 0.003s
journal_details 0 524 0 0.014s
library_category 0 517 0 0.009s
library_category_items 0 1447 0 0.019s
index build completion 0 0 0 0.000s
------------------------------ --------- --------- --------- --------------
Create Indexes 2 0 2 0.000s
Reset Sequences 0 0 0 0.019s
------------------------------ --------- --------- --------- --------------
Total streaming time 0 70147 0 13.303s
但在此之前，我收到许多错误消息，如
2016-01-24T23:00:02.021000-08:00 LOG Main logs in '/private/tmp/pgloader/pgloader.log'
2016-01-24T23:00:02.025000-08:00 LOG Data errors in '/private/tmp/pgloader/'
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "alembic_version" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "email_stack" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "papers" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "user" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "followers" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "groups" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "profile_views" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "read_dates" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "reading_list" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "special_announcement" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "members" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "vote_list" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "paperclicks" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "paper_counts" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "site_usage" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "extra_paper_data" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "journal_details" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "library_category" does not exist, skipping
2016-01-24T23:00:04.235000-08:00 WARNING Postgres warning: table "library_category_items" does not exist, skipping
2016-01-24T23:00:04.236000-08:00 ERROR The value NIL
is not of type
(OR INTEGER (SIMPLE-ARRAY CHARACTER (*)) (SIMPLE-ARRAY NIL (*))
SIMPLE-BASE-STRING).
2016-01-24T23:00:04.236000-08:00 ERROR The value NIL
is not of type
(OR INTEGER (SIMPLE-ARRAY CHARACTER (*)) (SIMPLE-ARRAY NIL (*))
SIMPLE-BASE-STRING).
2016-01-24T23:00:04.236000-08:00 ERROR The value NIL
is not of type
(OR INTEGER (SIMPLE-ARRAY CHARACTER (*)) (SIMPLE-ARRAY NIL (*))
SIMPLE-BASE-STRING).
2016-01-24T23:00:04.437000-08:00 ERROR The value NIL
is not of type
(OR INTEGER (SIMPLE-ARRAY CHARACTER (*)) (SIMPLE-ARRAY NIL (*))
SIMPLE-BASE-STRING).
ERROR: syntax error at or near "user" at character 34
STATEMENT: CREATE INDEX ix_user_username ON user (username)
ERROR: syntax error at or near "user" at character 38
STATEMENT: CREATE UNIQUE INDEX ix_user_email ON user (email)
知道我在这里做错了什么吗？ 谢谢 卡尔