Merge branch 'master' into 3.2-merge

Author: limingxinleo

src/Schema/PostgresBuilder.php

@@ -148,7 +148,7 @@ public function dropAllTypes()
     public function getAllTables(): array
     {
         return $this->connection->select(
-            $this->grammar->compileGetAllTables((array) $this->connection->getConfig('schema'))
+            $this->grammar->compileGetAllTables($this->getSchemas())
         );
     }
 
@@ -158,7 +158,7 @@ public function getAllTables(): array
     public function getAllViews(): array
     {
         return $this->connection->select(
-            $this->grammar->compileGetAllViews((array) $this->connection->getConfig('schema'))
+            $this->grammar->compileGetAllViews($this->getSchemas())
         );
     }
 
@@ -261,6 +261,15 @@ public function getIndexes(string $table): array
         );
     }
 
+    /**
+     * Get the schemas for the connection.
+     */
+    protected function getSchemas(): array
+    {
+        $schemas = (array) $this->connection->getConfig('schema');
+        return empty($schemas) ? ['public'] : $schemas;
+    }
+
     /**
      * Parse the table name and extract the schema and table.
      *