I quickly tried your scenario in the Jun2020 version, but I don’t have this problem:

sql>schema test ;

syntax error, unexpected SCHEMA in: "schema"

sql>select s.name, t.name from tables t, schemas s where t.schema_id = s.id and s.name = 'test';

+------+------+

| name | name |

+======+======+

| test | t |

+------+------+

1 tuple

sql>set schema test ;

operation successful

sql>\d

TABLE test.t

Are you sure you’ve lost all data? Because such error should never have affected your data. Can you check if your data tables are still there, even if the “\d” command doesn’t return anything?

- Jennie

On 28 Jun 2020, at 18:07, Lynn Carol Johnson <lcj34@cornell.edu> wrote:

Hi all –

I have a monetdb instance with a lot of tables and a lot of data. This data is organized into schemas. While logging on today as the admistrator, I inadvertently typed:

sql>schema maizeFullGenome;
syntax error, unexpected SCHEMA in: "schema"
sql>

Instead of “set schema maizeFullGenome;”

This has apparently overwritten the data I had in my maizeFullGenome Schema. Is there anyway to get this back besides finding an old copy of the db? The following shows the schema as now gone:

sql>set schema maizeFullGenome;
operation successful
sql>\d
sql>

Yes, a very stupid mistake.

Lynn
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