github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/libraries/doltcore/table/pipeline/errors.go (about) 1 // Copyright 2019 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 pipeline 16 17 import ( 18 "github.com/dolthub/dolt/go/libraries/doltcore/row" 19 ) 20 21 // TransformRowFailure is an error implementation that stores the row that failed to transform, the transform that 22 // failed and some details of the error 23 type TransformRowFailure struct { 24 Row row.Row 25 TransformName string 26 Details string 27 } 28 29 // Error returns a string containing details of the error that occurred 30 func (trf *TransformRowFailure) Error() string { 31 return trf.TransformName + " failed processing" 32 } 33 34 // IsTransformFailure will return true if the error is an instance of a TransformRowFailure 35 func IsTransformFailure(err error) bool { 36 _, ok := err.(*TransformRowFailure) 37 return ok 38 } 39 40 // GetTransFailureTransName extracts the name of the transform that failed from an error that is an instance of a 41 // TransformRowFailure 42 func GetTransFailureTransName(err error) string { 43 trf, ok := err.(*TransformRowFailure) 44 45 if !ok { 46 panic("Verify error using IsTransformFailure before calling this.") 47 } 48 49 return trf.TransformName 50 } 51 52 // GetTransFailureRow extracts the row that failed from an error that is an instance of a TransformRowFailure 53 func GetTransFailureRow(err error) row.Row { 54 trf, ok := err.(*TransformRowFailure) 55 56 if !ok { 57 panic("Verify error using IsTransformFailure before calling this.") 58 } 59 60 return trf.Row 61 62 } 63 64 // GetTransFailureDetails extracts the details string from an error that is an instance of a TransformRowFailure 65 func GetTransFailureDetails(err error) string { 66 trf, ok := err.(*TransformRowFailure) 67 68 if !ok { 69 panic("Verify error using IsTransformFailure before calling this.") 70 } 71 72 return trf.Details 73 }