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

     1  // Copyright 2020 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 sqlutil
    16  
    17  import (
    18  	"github.com/dolthub/go-mysql-server/sql"
    19  )
    20  
    21  type StaticErrorTable struct {
    22  	sql.Table
    23  	err error
    24  }
    25  
    26  func (t *StaticErrorTable) Partitions(_ *sql.Context) (sql.PartitionIter, error) {
    27  	return nil, t.err
    28  }
    29  
    30  func (t *StaticErrorTable) PartitionRows(_ *sql.Context, _ sql.Partition) (sql.RowIter, error) {
    31  	return nil, t.err
    32  }
    33  
    34  func (t *StaticErrorTable) LookupPartitions(_ *sql.Context, _ sql.IndexLookup) (sql.PartitionIter, error) {
    35  	return nil, t.err
    36  }
    37  
    38  func NewStaticErrorTable(orig sql.Table, err error) sql.Table {
    39  	return &StaticErrorTable{orig, err}
    40  }
    41  
    42  type StaticErrorRowIter struct {
    43  	err error
    44  }
    45  
    46  func NewStaticErrorRowIter(err error) sql.RowIter {
    47  	return &StaticErrorRowIter{err}
    48  }
    49  
    50  func (i *StaticErrorRowIter) Next(*sql.Context) (sql.Row, error) {
    51  	return nil, i.err
    52  }
    53  
    54  func (i *StaticErrorRowIter) Close(*sql.Context) error {
    55  	// Or i.err?
    56  	return nil
    57  }
    58  
    59  type StaticErrorEditor struct {
    60  	err error
    61  }
    62  
    63  var _ sql.ForeignKeyEditor = (*StaticErrorEditor)(nil)
    64  
    65  func NewStaticErrorEditor(err error) *StaticErrorEditor {
    66  	return &StaticErrorEditor{err}
    67  }
    68  
    69  func (e *StaticErrorEditor) Insert(*sql.Context, sql.Row) error {
    70  	return e.err
    71  }
    72  
    73  func (e *StaticErrorEditor) Delete(*sql.Context, sql.Row) error {
    74  	return e.err
    75  }
    76  
    77  func (e *StaticErrorEditor) Update(*sql.Context, sql.Row, sql.Row) error {
    78  	return e.err
    79  }
    80  
    81  func (e *StaticErrorEditor) SetAutoIncrementValue(*sql.Context, uint64) error {
    82  	return e.err
    83  }
    84  
    85  func (e *StaticErrorEditor) AcquireAutoIncrementLock(ctx *sql.Context) (func(), error) {
    86  	return func() {}, nil
    87  }
    88  
    89  func (e *StaticErrorEditor) StatementBegin(ctx *sql.Context) {}
    90  
    91  func (e *StaticErrorEditor) DiscardChanges(ctx *sql.Context, errorEncountered error) error {
    92  	return nil
    93  }
    94  
    95  func (e *StaticErrorEditor) StatementComplete(ctx *sql.Context) error {
    96  	return nil
    97  }
    98  
    99  func (e *StaticErrorEditor) WithIndexLookup(lookup sql.IndexLookup) sql.Table {
   100  	return &StaticErrorTable{nil, e.err}
   101  }
   102  
   103  func (e *StaticErrorEditor) Close(*sql.Context) error {
   104  	// Or e.err?
   105  	return nil
   106  }
   107  
   108  func (e *StaticErrorEditor) IndexedAccess(lookup sql.IndexLookup) sql.IndexedTable {
   109  	return &StaticErrorTable{nil, e.err}
   110  }
   111  
   112  func (e *StaticErrorEditor) PreciseMatch() bool {
   113  	return true
   114  }
   115  
   116  func (e *StaticErrorEditor) GetIndexes(ctx *sql.Context) ([]sql.Index, error) {
   117  	return nil, nil
   118  }