sqlxb

package module
v0.5.2 Latest Latest
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 Go to latest Published: Nov 2, 2023 License: Apache-2.0 Imports: 5 Imported by: 0

README

sqlxb

OSCS Status workflow build GitHub tag Go Report Card

a tool of sql query builder, build sql for sql.DB, sqlx, gorp, or build condition sql for some orm framework, like gorm....

API

Builder: build sql like: SELECT * FROM t_foo WHERE name Like "%xx%" ORDER BY ID DESC
BuilderX: build sql like: SELECT DISTINCT(f.id) AS `f.id` FROM t_foo f INNER JOIN t_bar b ON ....

c := Cat{}
builder := NewBuilder(&c)
builder.Gte("id", 10000)
builder.And(func(sub *CondBuilder) {
	sub.Gte("price", catRo.Price).OR().Eq("is_sold", catRo.IsSold))
})    
....

builderX := NewBuilderX() //
builderX.ResultKeys( "c.color","p.id","COUNT(DISTINCT c.id) AS `c.id_count`")
....

Contributing

Contributors are welcomed to join the sqlxb project.
Please check CONTRIBUTING

Quickstart

Builder Example

import (
    . "github.com/x-ream/sqlxb"
)

type Cat struct {
	Id       uint64    `db:"id"`
	Name     string    `db:"name"`
	Age      uint      `db:"age"`
	Color    string    `db:"color"`
	Weight   float64   `db:"weight"`
	IsSold   *bool     `db:"is_sold"`
	Price    *float64  `db:"price"`
	CreateAt time.Time `db:"create_at"`
}

func (*Cat) TableName() string {
	return "t_cat"
}

// IsSold, Price, fields can be zero, must be pointer, like Java Boolean....
// sqlxb has func: Bool(true), Int(v) ....
// sqlxb no relect, not support omitempty, should rewrite ro, dto
type CatRo struct {
	Name   string   `json:"name, string"`
	IsSold *bool    `json:"isSold, *bool"`
	Price  *float64 `json:"price, *float64"`
	Age    uint     `json:"age", unit`
}

func main() {
	cat := Cat{
		Id:       100002,
		Name:     "Tuanzi",
		Age:      1,
		Color:    "B",
		Weight:   8.5,
		IsSold:   Bool(true),
		Price:    Float64(10000.00),
		CreateAt: time.Now(),
	}
    // INSERT .....

    // PREPARE TO QUERY
	catRo := CatRo{
		Name:	"Tu",
		IsSold: nil,
		Price:  Float64(5000.00),
		Age:    1,
	}

	preCondition := func() bool {
		if cat.Color == "W" {
			return true
		} else if cat.Weight <= 3 {
			return false
		} else {
			return true
		}
	}

	c := Cat{}
	var builder = NewBuilder(&c)
	builder.LikeRight("name",catRo.Name)
	builder.X("weight <> ?", 0) //X(k, v...), hardcode func, value 0 and nil will NOT ignore
    //Eq,Ne,Gt.... value 0 and nil will ignore, like as follow: OR().Eq("is_sold", catRo.IsSold)
	builder.And(func(sub *CondBuilder) {
            sub.Gte("price", catRo.Price).OR().Gte("age", catRo.Age).OR().Eq("is_sold", catRo.IsSold))
	    })
    //func Bool NOT designed for value nil or 0; designed to convert complex logic to bool
    //Decorator pattern suggest to use func Bool preCondition, like:
    //myBoolDecorator := NewMyBoolDecorator(para)
    //builder.Bool(myBoolDecorator.fooCondition, func(cb *ConditionBuilder) {
	builder.Bool(preCondition, func(cb *ConditionBuilder) {
		cb.Or(SubCondition().Lt("price", 5000))
	})
	builder.Sort("id", ASC)
	builder.Paged().Rows(10).Last(100)
	vs, dataSql, countSql, _ := builder.Build().Sql()
    // ....

    //dataSql: SELECT * FROM t_cat WHERE id > ? AND name LIKE ? AND weight <> 0 AND (price >= ? OR age >= ?) OR (price < ?)
    //ORDER BY id ASC LIMIT 10

    //countSql: SELECT COUNT(*) FROM t_cat WHERE name LIKE ? AND weight <> 0 AND (price >= ? OR age >= ?) OR (price < ?)
    
    //sqlx: 	err = Db.Select(&catList, dataSql,vs...)
	_, conditionSql := builder.Build().SqlOfCondition()
    
    //conditionSql: id > ? AND name LIKE ? AND weight <> 0 AND (price >= ? OR age >= ?) OR (price < ?)

}
BuilderX Example
import (
        . "github.com/x-ream/sqlxb"
    )
    
func main() {
    builder := NewBuilderX()
	
	// friendly to clickhouse
	builder.SourceX(func(sb *SourceBuilder) {
        sb.
            Sub(sub).Alia("p").
            Join(INNER_JOIN).Source(&dog).Alia("d").ON("d.pet_id = p.id").
            Join(INNER_JOIN).Source(&cat).Alia("c").ON("c.pet_id = p.id").
                Cond(func(on *On) {
                    on.Gt("c.id", 100)
                })
        })
    
}

Documentation

Overview

Copyright 2020 io.xream.sqlxb

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Index

Constants

View Source 
const (
	X        = ""
	AGG      = ""
	AND      = "AND"
	OR       = "OR"
	AND_SUB  = AND
	OR_SUB   = OR
	EQ       = "="
	NE       = "<>"
	GT       = ">"
	LT       = "<"
	GTE      = ">="
	LTE      = "<="
	LIKE     = "LIKE"
	NOT_LIKE = "NOT LIKE"
	IN       = "IN"
	NIN      = "NOT IN"
	IS_NULL  = "IS NULL"
	NON_NULL = "IS NOT NULL"
)

Variables

This section is empty.

Functions

func ASC 

func ASC() string

func Bool 

func Bool(b bool) *bool

func Byte 

func Byte(b byte) *byte

func DESC 

func DESC() string

func Eq 

func Eq() string

func Float32 

func Float32(f float32) *float32

func Float64 

func Float64(f float64) *float64

func Gt 

func Gt() string

func Gte 

func Gte() string

func INNER_JOIN 

func INNER_JOIN() string

func Int 

func Int(v int) *int

func Int8 

func Int8(v int8) *int8

func Int16 

func Int16(v int16) *int16

func Int32 

func Int32(v int32) *int32

func Int64 

func Int64(v int64) *int64

func IsNull 

func IsNull() string

func LEFT_JOIN 

func LEFT_JOIN() string

func Like 

func Like() string

func LikeRight 

func LikeRight() string

func Lt 

func Lt() string

func Lte 

func Lte() string

func N2s 

func N2s(p interface{}) string

func Ne 

func Ne() string

func NilOrNumber 

func NilOrNumber(p interface{}) (bool, interface{})

func NonJoin 

func NonJoin() string

func NonNull 

func NonNull() string

func NotLike 

func NotLike() string

func Np2s 

func Np2s(p interface{}) (string, bool)

func RIGHT_JOIN 

func RIGHT_JOIN() string

func Uint 

func Uint(v uint) *uint

func Uint64 

func Uint64(v uint64) *uint64

Types

type Bb 

type Bb struct {
	// contains filtered or unexported fields
}

type BoolFunc 

type BoolFunc func() bool

type Builder 

type Builder struct {
	CondBuilder
	// contains filtered or unexported fields
}

TO build sql, like: SELECT * FROM .... Can add L2Cache

@author Sim

func NewBuilder 

func NewBuilder(po Po) *Builder

func (*Builder) Build 

func (builder *Builder) Build() *Built

func (*Builder) Paged 

func (builder *Builder) Paged(page func(pb *PageBuilder)) *Builder

func (*Builder) Sort 

func (builder *Builder) Sort(orderBy string, direction Direction) *Builder

type BuilderX 

type BuilderX struct {
	Builder
	// contains filtered or unexported fields
}

To build sql, like: SELECT DISTINCT f.id FROM foo f INNER JOIN (SELECT foo_id FROM bar) b ON b.foo_id = f.id Sql for MySQL, Clickhouse....

@author Sim

func NewBuilderX 

func NewBuilderX() *BuilderX

func Sub 

func Sub(po Po) *BuilderX

func (*BuilderX) Agg added in v0.4.0 

func (x *BuilderX) Agg(fn string, vs ...interface{}) *BuilderX

func (*BuilderX) Build 

func (builder *BuilderX) Build() *Built

func (*BuilderX) GroupBy 

func (x *BuilderX) GroupBy(groupBy string) *BuilderX

func (*BuilderX) Having 

func (x *BuilderX) Having(op Op, k string, v interface{}) *BuilderX

func (*BuilderX) ResultKey 

func (x *BuilderX) ResultKey(resultKey string) *BuilderX

func (*BuilderX) ResultKeys 

func (x *BuilderX) ResultKeys(resultKeys ...string) *BuilderX

func (*BuilderX) Source 

func (x *BuilderX) Source(po Po) *BuilderX

func (*BuilderX) SourceScript added in v0.5.1 

func (x *BuilderX) SourceScript(sqlScript string) *BuilderX

func (*BuilderX) SourceX added in v0.5.1 

func (x *BuilderX) SourceX(source func(sb *SourceBuilder)) *BuilderX

func (*BuilderX) WithoutOptimization 

func (builder *BuilderX) WithoutOptimization() *BuilderX

type Built 

type Built struct {
	ResultKeys []string
	ConditionX []Bb
	Sorts      []Sort
	Havings    []Bb
	GroupBys   []string
	Aggs       []Bb

	OrSourceSql string
	Sbs         []*SourceX
	Svs         []interface{}

	PageCondition *PageCondition

	Po Po
}

func (*Built) Sql 

func (built *Built) Sql() ([]interface{}, string, string, map[string]string)

func (*Built) SqlOfCondition 

func (built *Built) SqlOfCondition() ([]interface{}, string)

type CondBuilder added in v0.5.1 

type CondBuilder struct {
	// contains filtered or unexported fields
}

func (*CondBuilder) And added in v0.5.1 

func (builder *CondBuilder) And(sub func(sub *CondBuilder)) *CondBuilder

func (*CondBuilder) Bool added in v0.5.1 

func (builder *CondBuilder) Bool(preCond BoolFunc, then func(cb *CondBuilder)) *CondBuilder

func (*CondBuilder) Eq added in v0.5.1 

func (builder *CondBuilder) Eq(k string, v interface{}) *CondBuilder

func (*CondBuilder) Gt added in v0.5.1 

func (builder *CondBuilder) Gt(k string, v interface{}) *CondBuilder

func (*CondBuilder) Gte added in v0.5.1 

func (builder *CondBuilder) Gte(k string, v interface{}) *CondBuilder

func (*CondBuilder) In added in v0.5.1 

func (builder *CondBuilder) In(k string, vs ...interface{}) *CondBuilder

func (*CondBuilder) IsNull added in v0.5.1 

func (builder *CondBuilder) IsNull(key string) *CondBuilder

func (*CondBuilder) Like added in v0.5.1 

func (builder *CondBuilder) Like(k string, v string) *CondBuilder

func (*CondBuilder) LikeRight added in v0.5.1 

func (builder *CondBuilder) LikeRight(k string, v string) *CondBuilder

func (*CondBuilder) Lt added in v0.5.1 

func (builder *CondBuilder) Lt(k string, v interface{}) *CondBuilder

func (*CondBuilder) Lte added in v0.5.1 

func (builder *CondBuilder) Lte(k string, v interface{}) *CondBuilder

func (*CondBuilder) Ne added in v0.5.1 

func (builder *CondBuilder) Ne(k string, v interface{}) *CondBuilder

func (*CondBuilder) Nin added in v0.5.1 

func (builder *CondBuilder) Nin(k string, vs ...interface{}) *CondBuilder

func (*CondBuilder) NonNull added in v0.5.1 

func (builder *CondBuilder) NonNull(key string) *CondBuilder

func (*CondBuilder) NotLike added in v0.5.1 

func (builder *CondBuilder) NotLike(k string, v string) *CondBuilder

func (*CondBuilder) OR added in v0.5.1 

func (builder *CondBuilder) OR() *CondBuilder

func (*CondBuilder) Or added in v0.5.1 

func (builder *CondBuilder) Or(sub func(sub *CondBuilder)) *CondBuilder

func (*CondBuilder) X added in v0.5.1 

func (builder *CondBuilder) X(k string, vs ...interface{}) *CondBuilder

type Direction 

type Direction func() string

type JOIN 

type JOIN func() string

type Join 

type Join struct {
	// contains filtered or unexported fields
}

type LongId 

type LongId interface {
	GetId() uint64
}

type On 

type On struct {
	CondBuilder
	// contains filtered or unexported fields
}

type Op 

type Op func() string

type PageBuilder 

type PageBuilder struct {
	// contains filtered or unexported fields
}

func (*PageBuilder) IgnoreTotalRows 

func (pb *PageBuilder) IgnoreTotalRows() *PageBuilder

func (*PageBuilder) Last 

func (pb *PageBuilder) Last(last uint64) *PageBuilder

*

  • ASC: orderBy > last | DESC: orderBy < last
  • LIMIT rows

func (*PageBuilder) Page 

func (pb *PageBuilder) Page(page uint) *PageBuilder

func (*PageBuilder) Rows 

func (pb *PageBuilder) Rows(rows uint) *PageBuilder

func (*PageBuilder) SetTotalRowsIgnored added in v0.5.1 

func (pb *PageBuilder) SetTotalRowsIgnored(ignored bool) *PageBuilder

type PageCondition 

type PageCondition struct {
	// contains filtered or unexported fields
}

type Po 

type Po interface {
	TableName() string
}

type Sort 

type Sort struct {
	// contains filtered or unexported fields
}

type SourceBuilder 

type SourceBuilder struct {
	// contains filtered or unexported fields
}

func (*SourceBuilder) Alia 

func (sb *SourceBuilder) Alia(alia string) *SourceBuilder

func (*SourceBuilder) Cond added in v0.5.2 

func (sb *SourceBuilder) Cond(on func(on *On)) *SourceBuilder

func (*SourceBuilder) Join added in v0.5.1 

func (sb *SourceBuilder) Join(join JOIN) *SourceBuilder

func (*SourceBuilder) ON added in v0.5.2 

func (sb *SourceBuilder) ON(onStr string) *SourceBuilder

func (*SourceBuilder) Source 

func (sb *SourceBuilder) Source(po Po) *SourceBuilder

func (*SourceBuilder) Sub 

func (sb *SourceBuilder) Sub(sub *BuilderX) *SourceBuilder

func (*SourceBuilder) USING added in v0.5.2 

func (sb *SourceBuilder) USING(key string) *SourceBuilder

type SourceX added in v0.5.2 

type SourceX struct {
	// contains filtered or unexported fields
}

type StringId 

type StringId interface {
	GetId() string
}

type Using added in v0.4.0 

type Using struct {
	// contains filtered or unexported fields
}

Source Files

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