Merge branch 'master' into new_querytables_library

Conflicts:
	test/support/prepare_db.sh
	test/support/sql/CDB_QueryStatements.sql

test/support/prepare_db.sh

@@ -78,8 +78,10 @@ if test x"$PREPARE_PGSQL" = xyes; then
     sed "s/:TESTPASS/${TESTPASS}/" |
     psql -v ON_ERROR_STOP=1 ${TEST_DB} || exit 1
 
-  psql -c "CREATE LANGUAGE plpythonu;" ${TEST_DB}
-  for i in CDB_QueryStatements CDB_QueryTables CDB_CartodbfyTable CDB_TableMetadata CDB_ForeignTable CDB_UserTables CDB_ColumnNames CDB_ZoomFromScale CDB_Overviews
+  cat sql/_CDB_QueryStatements.sql | psql -v ON_ERROR_STOP=1 ${TEST_DB} || exit 1
+
+  SQL_SCRIPTS='CDB_QueryTables CDB_CartodbfyTable CDB_TableMetadata CDB_ForeignTable CDB_UserTables CDB_ColumnNames CDB_ZoomFromScale CDB_Overviews'
+  for i in ${SQL_SCRIPTS}
   do
     curl -L -s https://github.com/CartoDB/cartodb-postgresql/raw/master/scripts-available/$i.sql -o sql/$i.sql
     cat sql/$i.sql | sed -e 's/cartodb\./public./g' -e "s/''cartodb''/''public''/g" \

test/support/sql/_CDB_QueryStatements.sql

@@ -0,0 +1,16 @@
+-- DUMMY IMPLEMENTATION
+-- Ref: https://github.com/CartoDB/cartodb-postgresql/blob/master/scripts-available/CDB_QueryStatements.sql
+-- Originally implemented in plpython for performance reasons
+
+-- Return an array of statements found in the given query text
+--
+-- Regexp curtesy of Hubert Lubaczewski (depesz)
+--
+CREATE OR REPLACE FUNCTION CDB_QueryStatements(query text)
+RETURNS SETOF TEXT AS $$
+  with matches as (
+    select regexp_matches($1, $regexp$((?:[^'"$;]+|"[^"]*"|'[^']*'|(\$[^$]*\$).*?\2)+)$regexp$, 'g') as m
+  )
+  select btrim(m[1]) from matches
+$$
+LANGUAGE SQL IMMUTABLE STRICT;