github.com/dolthub/dolt/go@v0.40.5-0.20240520175717-68db7794bea6/libraries/doltcore/sqle/globalstate/global_state.go (about)

     1  // Copyright 2021 Dolthub, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package globalstate
    16  
    17  import "github.com/dolthub/go-mysql-server/sql"
    18  
    19  // GlobalState is just a holding interface for pieces of global state, of which the auto increment tracking info is
    20  // the only example at the moment.
    21  type GlobalState interface {
    22  	// AutoIncrementTracker returns the auto increment tracker for this global state.
    23  	AutoIncrementTracker(ctx *sql.Context) (AutoIncrementTracker, error)
    24  }
    25  
    26  // GlobalStateProvider is an optional interface for databases that provide global state tracking
    27  type GlobalStateProvider interface {
    28  	GetGlobalState() GlobalState
    29  }