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package feature
import (
"fmt"
"strconv"
"github.com/uptrace/bun/internal"
)
type Feature = internal.Flag
const (
CTE Feature = 1 << iota
WithValues
Returning
InsertReturning
Output // mssql
DefaultPlaceholder
DoubleColonCast
ValuesRow
UpdateMultiTable
InsertTableAlias
UpdateTableAlias
DeleteTableAlias
AutoIncrement
Identity
TableCascade
TableIdentity
TableTruncate
InsertOnConflict // INSERT ... ON CONFLICT
InsertOnDuplicateKey // INSERT ... ON DUPLICATE KEY
InsertIgnore // INSERT IGNORE ...
TableNotExists
OffsetFetch
SelectExists
UpdateFromTable
MSSavepoint
GeneratedIdentity
CompositeIn // ... WHERE (A,B) IN ((N, NN), (N, NN)...)
UpdateOrderLimit // UPDATE ... ORDER BY ... LIMIT ...
DeleteOrderLimit // DELETE ... ORDER BY ... LIMIT ...
DeleteReturning
AlterColumnExists // ADD/DROP COLUMN IF NOT EXISTS/IF EXISTS
)
type NotSupportError struct {
Flag Feature
}
func (err *NotSupportError) Error() string {
name, ok := flag2str[err.Flag]
if !ok {
name = strconv.FormatInt(int64(err.Flag), 10)
}
return fmt.Sprintf("bun: feature %s is not supported by current dialect", name)
}
func NewNotSupportError(flag Feature) *NotSupportError {
return &NotSupportError{Flag: flag}
}
var flag2str = map[Feature]string{
CTE: "CTE",
WithValues: "WithValues",
Returning: "Returning",
InsertReturning: "InsertReturning",
Output: "Output",
DefaultPlaceholder: "DefaultPlaceholder",
DoubleColonCast: "DoubleColonCast",
ValuesRow: "ValuesRow",
UpdateMultiTable: "UpdateMultiTable",
InsertTableAlias: "InsertTableAlias",
UpdateTableAlias: "UpdateTableAlias",
DeleteTableAlias: "DeleteTableAlias",
AutoIncrement: "AutoIncrement",
Identity: "Identity",
TableCascade: "TableCascade",
TableIdentity: "TableIdentity",
TableTruncate: "TableTruncate",
InsertOnConflict: "InsertOnConflict",
InsertOnDuplicateKey: "InsertOnDuplicateKey",
InsertIgnore: "InsertIgnore",
TableNotExists: "TableNotExists",
OffsetFetch: "OffsetFetch",
SelectExists: "SelectExists",
UpdateFromTable: "UpdateFromTable",
MSSavepoint: "MSSavepoint",
GeneratedIdentity: "GeneratedIdentity",
CompositeIn: "CompositeIn",
UpdateOrderLimit: "UpdateOrderLimit",
DeleteOrderLimit: "DeleteOrderLimit",
DeleteReturning: "DeleteReturning",
AlterColumnExists: "AlterColumnExists",
}
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