github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/sql/delegate/show_zone_config.go (about)

     1  // Copyright 2019 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package delegate
    12  
    13  import "github.com/cockroachdb/cockroach/pkg/sql/sem/tree"
    14  
    15  // ShowZoneConfig only delegates if it selecting ALL configurations.
    16  func (d *delegator) delegateShowZoneConfig(n *tree.ShowZoneConfig) (tree.Statement, error) {
    17  	// Specifying a specific zone; fallback to non-delegation logic.
    18  	if n.ZoneSpecifier != (tree.ZoneSpecifier{}) {
    19  		return nil, nil
    20  	}
    21  	return parse(`SELECT target, raw_config_sql FROM crdb_internal.zones`)
    22  }