diff --git a/pyproject.toml b/pyproject.toml
index c098599..03073f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "rda_python_common"
-version = "1.0.39"
+version = "1.0.40"
 authors = [
   { name="Zaihua Ji", email="zji@ucar.edu" },
 ]
diff --git a/src/rda_python_common/PgDBI.py b/src/rda_python_common/PgDBI.py
index 96c32ba..4892b5b 100644
--- a/src/rda_python_common/PgDBI.py
+++ b/src/rda_python_common/PgDBI.py
@@ -46,6 +46,8 @@
 DBNAMES = {
    'ivaddb' : 'ivaddb',
    'cntldb' : 'ivaddb',
+   'ivaddb1' : 'ivaddb',
+   'cntldb1' : 'ivaddb',
    'cdmsdb' : 'ivaddb',
    'ispddb' : 'ispddb',
     'obsua' : 'upadb',
@@ -113,20 +115,21 @@ def SETPGDBI(name, value):
 PGDBI['VHSET'] = 0
 PGDBI['PGSIZE'] = 1000        # number of records for page_size
 PGDBI['MTRANS'] = 5000       # max number of changes in one transactions
-PGDBI['MAXICNT'] = 12000000  # maximum number of records in each table
+PGDBI['MAXICNT'] = 6000000  # maximum number of records in each table
 
 #
 # create a pgddl command string with
 # table name (tname), prefix (pre) and suffix (suf)
 #
-def get_pgddl_command(tname, pre = None, suf = None):
+def get_pgddl_command(tname, pre = None, suf = None, scname = None):
 
    ms = re.match(r'^(.+)\.(.+)$', tname)
-   if ms:
-      scname = ms.group(1)
-      tname = ms.group(2)
-   else:
-      scname = PGDBI['SCNAME']
+   if not scname:
+      if ms:
+         scname = ms.group(1)
+         tname = ms.group(2)
+      else:
+         scname = PGDBI['SCNAME']
    xy = ''
    if suf: xy += ' -x ' + suf
    if pre: xy += ' -y ' + pre