[BUGFIX] Add a.attisdropped = false flag to compile columns sql to fix the output of Schema::getColumns()

Author: Vision42

src/Schema/CockroachGrammar.php

@@ -68,4 +68,21 @@ public function compileDropUnique(Blueprint $blueprint, Fluent $command)
 
         return "drop index {$this->wrapTable($blueprint)}@{$index} cascade";
     }
+
+    public function compileColumns($database, $schema, $table): string
+    {
+        return sprintf(
+            'select a.attname as name, t.typname as type_name, format_type(a.atttypid, a.atttypmod) as type, '
+            .'(select tc.collcollate from pg_catalog.pg_collation tc where tc.oid = a.attcollation) as collation, '
+            .'not a.attnotnull as nullable, '
+            .'(select pg_get_expr(adbin, adrelid) from pg_attrdef where c.oid = pg_attrdef.adrelid and pg_attrdef.adnum = a.attnum) as default, '
+            .'col_description(c.oid, a.attnum) as comment '
+            .'from pg_attribute a, pg_class c, pg_type t, pg_namespace n '
+            .'where c.relname = %s and n.nspname = %s and a.attnum > 0 and a.attrelid = c.oid and a.atttypid = t.oid and n.oid = c.relnamespace and a.attisdropped = false '
+            .'order by a.attnum',
+            $this->quoteString($table),
+            $this->quoteString($schema)
+        );
+    }
+
 }