Ensures plpythonu from postgres/greenplum drivers

Author: netj

database/db-driver/greenplum/db-assign_sequential_id

@@ -11,6 +11,8 @@ set -euo pipefail
 TABLE_CSV=$1 IdColumn=$2 PartColumn=${3:-0}
 
 # http://gpdb.docs.pivotal.io/4390/ref_guide/extensions/pl_python.html
+db-supports_pg_lang "plpythonu"
+
 SQL="
     CREATE OR REPLACE FUNCTION seqassign(partid INT, reset BOOL, pids INT[], offsets BIGINT[])
     RETURNS BIGINT AS \$\$

database/db-driver/postgresql/db-assign_sequential_id

@@ -10,6 +10,7 @@ set -euo pipefail
 
 TABLE_CSV=$1 IdColumn=$2 PartColumn=${3:-0}
 
+db-supports_pg_lang "plpythonu"
 
 SQL="
     CREATE OR REPLACE FUNCTION seqassign(partid INT, reset BOOL)