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options.go
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options.go
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/*
Copyright 2022 Codenotary Inc. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package sql
import (
"fmt"
"github.com/codenotary/immudb/embedded/store"
)
var defaultDistinctLimit = 1 << 20 // ~ 1mi rows
type Options struct {
prefix []byte
distinctLimit int
autocommit bool
lazyIndexConstraintValidation bool
multidbHandler MultiDBHandler
}
func DefaultOptions() *Options {
return &Options{
distinctLimit: defaultDistinctLimit,
}
}
func (opts *Options) Validate() error {
if opts == nil {
return fmt.Errorf("%w: nil options", store.ErrInvalidOptions)
}
if opts.distinctLimit <= 0 {
return fmt.Errorf("%w: invalid DistinctLimit value", store.ErrInvalidOptions)
}
return nil
}
func (opts *Options) WithPrefix(prefix []byte) *Options {
opts.prefix = prefix
return opts
}
func (opts *Options) WithDistinctLimit(distinctLimit int) *Options {
opts.distinctLimit = distinctLimit
return opts
}
func (opts *Options) WithAutocommit(autocommit bool) *Options {
opts.autocommit = autocommit
return opts
}
func (opts *Options) WithLazyIndexConstraintValidation(lazyIndexConstraintValidation bool) *Options {
opts.lazyIndexConstraintValidation = lazyIndexConstraintValidation
return opts
}
func (opts *Options) WithMultiDBHandler(multidbHandler MultiDBHandler) *Options {
opts.multidbHandler = multidbHandler
return opts
}