[jira] [Resolved] (MADLIB-1192) Presence of function named 'sum' in a non public schema throws exception for create table in gpdb6

["Nikhil (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MADLIB-1192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nikhil resolved MADLIB-1192.
----------------------------
    Resolution: Fixed

> Presence of function named 'sum' in a non public schema throws exception for create table in gpdb6
> --------------------------------------------------------------------------------------------------
>
>                 Key: MADLIB-1192
>                 URL: https://issues.apache.org/jira/browse/MADLIB-1192
>             Project: Apache MADlib
>          Issue Type: Test
>          Components: All Modules
>            Reporter: Nikhil
>            Priority: Major
>             Fix For: v1.14
>
>
> * Greenplum version or build
> PostgreSQL 8.4.0 (Greenplum Database 6.0.0-alpha.0+dev.2546.ga5289153da build dev-oss)
> * Problem 
> MADlib creates a function named sum in the madlib schema which throws an exception for create table. Note this only fails for gpdb6 and not for gpdb4/5 .
> This error was found by MADlib install-check tests. An issue has been opened on gpdb's github repository. https://github.com/greenplum-db/gpdb/issues/4185
> * Steps to reproduce the behavior
> {code}
> createdb test
> psql test
> psql (8.4.0)
> Type "help" for help.
> test2=# select version();
>                                                                                                                          version
> -----------------------------------------------------------------------------------------------------------------------------------------------
> ----------------------------------------------------------------------------------------------------------
>  PostgreSQL 8.4.0 (Greenplum Database 6.0.0-alpha.0+dev.2517.g5361041 build commit:5361041ddcdf3b696f726cf6c74ebc25cf8d873c-oss) on x86_64-pc-l
> inux-gnu, compiled by GCC gcc (GCC) 6.2.0, 64-bit compiled on Dec 13 2017 17:15:14 (with assert checking)
> (1 row)
> test=# CREATE SCHEMA foo;
> CREATE FUNCTION foo.sum (
>     a anyarray
> ) RETURNS anyarray AS $$
> BEGIN
>      RETURN '{1,2,3}'::float8[];
> END
> $$ language plpgsql;
> set search_path=foo;
> CREATE TABLE bar AS SELECT  '{1,2,3}'::float8[] AS a, '{4,5,7}'::float8[] AS b;
> NOTICE:  Table doesn't have 'DISTRIBUTED BY' clause. Creating a NULL policy entry.
> ERROR:  function sum(real[]) is not unique
> LINE 1: select sum(gp_statistics_estimate_reltuples_relpages_oid(c.o...
>                ^
> HINT:  Could not choose a best candidate function. You might need to add explicit type casts.
> QUERY:  select sum(gp_statistics_estimate_reltuples_relpages_oid(c.oid))::float4[] from gp_dist_random('pg_class') c where c.oid=20262
> {code}



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