Postgres metadata lookup returns deleted columns from `postgresGetAttributes`

IITDBGroup / gprom

GProM is a middleware that adds support for provenance to database backends.

http://www.cs.iit.edu/%7edbgroup/research/gprom.php

Apache License 2.0

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Postgres metadata lookup returns deleted columns from `postgresGetAttributes` #67

Closed lordpretzel closed 3 years ago

lordpretzel commented 3 years ago

When postgresGetAttributes is called for a table which has columns that were dropped in the past these columns are returned. Fix the query NAME_TABLE_GET_ATTRS to exclude such attributes