Grant permission to run table-info functions to public

This is needed as a way to migrate from versions < 0.2.0
See #36

NEWS

@@ -5,9 +5,10 @@ Important changes:
 
  - This release adds dependency on "plpythonu" extension
  - Roles are not created anymore, previously private functions
-   for table information extraction will now be callable by
-   anyone while only returning information about tables over
-   which the calling user has SELECT privilege (#36)
+   for table information extraction (CDB_UserTables, CDB_TableIndexes,
+   CDB_ColumnNames, CDB_ColumnType) will now be callable by anyone while
+   only returning information about tables over which the calling user
+   has SELECT privilege (#36)
 
 Bug fixes:
 

scripts-available/CDB_ColumnNames.sql

@@ -11,3 +11,6 @@ AS $$
          
 $$ LANGUAGE SQL;
 
+-- This is to migrate from pre-0.2.0 version
+-- See http://github.com/CartoDB/cartodb-postgresql/issues/36
+GRANT EXECUTE ON FUNCTION CDB_ColumnNames(REGCLASS) TO PUBLIC;

scripts-available/CDB_ColumnType.sql

@@ -12,3 +12,6 @@ AS $$
          
 $$ LANGUAGE SQL;
 
+-- This is to migrate from pre-0.2.0 version
+-- See http://github.com/CartoDB/cartodb-postgresql/issues/36
+GRANT EXECUTE ON FUNCTION CDB_ColumnType(REGCLASS, TEXT) TO public;

scripts-available/CDB_TableIndexes.sql

@@ -22,3 +22,6 @@ AS $$
 
 $$ LANGUAGE SQL;
 
+-- This is to migrate from pre-0.2.0 version
+-- See http://github.com/CartoDB/cartodb-postgresql/issues/36
+GRANT EXECUTE ON FUNCTION CDB_TableIndexes(REGCLASS) TO public;

scripts-available/CDB_UserTables.sql

@@ -5,7 +5,6 @@
 --
 -- Currently accepted permissions are: 'public', 'private' or 'all'
 --
--- DROP FUNCTION IF EXISTS CDB_UserTables(); -- replaced by:
 CREATE OR REPLACE FUNCTION CDB_UserTables(perm text DEFAULT 'all')
 RETURNS SETOF information_schema.sql_identifier
 AS $$
@@ -37,3 +36,6 @@ AS $$
    ;
 $$ LANGUAGE 'sql';
 
+-- This is to migrate from pre-0.2.0 version
+-- See http://github.com/CartoDB/cartodb-postgresql/issues/36
+GRANT EXECUTE ON FUNCTION CDB_UserTables(text) TO public;