mysql

package
v1.2.1 Latest Latest
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 Go to latest Published: Oct 4, 2020 License: Apache-2.0 Imports: 16 Imported by: 0

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Index

Constants

View Source 
const (
	BETWEEN    = "BETWEEN"
	NOTBETWEEN = "NOT BETWEEN"
	IN         = "IN"
	NOTIN      = "NOT IN"
	AND        = "AND"
	OR         = "OR"
	ISNULL     = "IS NULL"
	ISNOTNULL  = "IS NOT NULL"
	EQUAL      = "="
	NOTEQUAL   = "!="
	LIKE       = "LIKE"
	JOIN       = "JOIN"
	INNERJOIN  = "INNER JOIN"
	LEFTJOIN   = "LEFT JOIN"
	RIGHTJOIN  = "RIGHT JOIN"
	UNION      = "UNION"
	UNIONALL   = "UNION ALL"
	DESC       = "DESC"
	ASC        = "ASC"
)

Variables

This section is empty.

Functions

func SetTrace 

func SetTrace(t bool)

Types

type Config 

type Config struct {
	Username        string        //账号 root
	Password        string        //密码
	Host            string        //host localhost
	Port            string        //端口 3306
	Charset         string        //字符编码 utf8mb4
	Database        string        //默认连接数据库
	ConnMaxLifetime time.Duration //设置一个连接的最长生命周期，因为数据库本身对连接有一个超时时间的设置，如果超时时间到了数据库会单方面断掉连接，此时再用连接池内的连接进行访问就会出错, 因此这个值往往要小于数据库本身的连接超时时间
	ConnMaxIdleTime time.Duration //设置连接的生命周期的最大
	MaxIdleConns    int           //设置闲置的连接数,连接池里面允许Idel的最大连接数, 这些Idel的连接 就是并发时可以同时获取的连接,也是用完后放回池里面的互用的连接, 从而提升性能
	MaxOpenConns    int           //设置最大打开的连接数，默认值为0表示不限制。控制应用于数据库建立连接的数量，避免过多连接压垮数据库。
}

Config 数据库配置

func (*Config) URI 

func (config *Config) URI() string

URI 构造数据库连接

type Connection 

type Connection interface {
	Exec(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
	Query(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)
	NewQuery(ctx context.Context) *QueryBuilder
	GetLastSql() Sql
	LastSql(query string, args ...interface{})
}

Connection 链接

type DbError 

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

func NewDBError 

func NewDBError(msg string, sql Sql) DbError

func (DbError) Error 

func (e DbError) Error() string

type Epr 

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

func NewEpr 

func NewEpr(value string) Epr

func (Epr) ToString 

func (e Epr) ToString() string

type Grammar 

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

Grammar sql 语法

func (Grammar) Delete 

func (g Grammar) Delete() string

func (Grammar) Insert 

func (g Grammar) Insert() string

func (Grammar) InsertUpdate 

func (g Grammar) InsertUpdate() string

func (Grammar) Replace 

func (g Grammar) Replace() string

func (Grammar) Select 

func (g Grammar) Select() string

Select 构造select

func (Grammar) ToSql 

func (g Grammar) ToSql() string

func (Grammar) Update 

func (g Grammar) Update() string

type Proxy 

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

Proxy 代理

func NewProxy added in v1.1.13 

func NewProxy() *Proxy

NewProxy 代理池

func (*Proxy) Read 

func (proxy *Proxy) Read() *QueryDb

Read 获取读库

func (*Proxy) SetRead 

func (proxy *Proxy) SetRead(query *QueryDb)

SetRead 设置读库

func (*Proxy) SetWrite 

func (proxy *Proxy) SetWrite(query *QueryDb)

SetWrite 设置写库

func (*Proxy) Write 

func (proxy *Proxy) Write() *QueryDb

Write 获取写库

type ProxyPool 

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

ProxyPool 代理池

func NewProxyPool 

func NewProxyPool() *ProxyPool

NewProxyPool 代理池

func (*ProxyPool) NameSpace 

func (proxypool *ProxyPool) NameSpace(group string) *Proxy

NameSpace 获取分组

func (*ProxyPool) SetNameSpace 

func (proxypool *ProxyPool) SetNameSpace(group string, proxy *Proxy)

SetNameSpace 设置组

type QueryBuilder 

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

QueryBuilder 查询构造器

func (*QueryBuilder) Between 

func (query *QueryBuilder) Between(column string, value1 interface{}, value2 interface{}) *QueryBuilder

Between 构造Between

func (*QueryBuilder) Count 

func (query *QueryBuilder) Count() (int64, error)

Count

func (*QueryBuilder) Delete 

func (query *QueryBuilder) Delete() (int64, error)

Delete .

func (*QueryBuilder) DeleteSQL 

func (query *QueryBuilder) DeleteSQL() string

DeleteSQL .

func (*QueryBuilder) Distinct 

func (query *QueryBuilder) Distinct() *QueryBuilder

Distinct .

func (*QueryBuilder) Equal 

func (query *QueryBuilder) Equal(column string, value interface{}) *QueryBuilder

Equal 构造等于

func (*QueryBuilder) Exec 

func (query *QueryBuilder) Exec(sql string, args ...interface{}) (int64, error)

Exec 原始SQl语句执行

func (*QueryBuilder) ExecSQL 

func (query *QueryBuilder) ExecSQL(sql string, args ...interface{}) string

Exec 原始SQl语句执行

func (*QueryBuilder) GroupBy 

func (query *QueryBuilder) GroupBy(groups ...string) *QueryBuilder

GroupBy .

func (*QueryBuilder) In 

func (query *QueryBuilder) In(column string, value ...interface{}) *QueryBuilder

In 构造 in语句

func (*QueryBuilder) InnerJoin 

func (query *QueryBuilder) InnerJoin(tablename string, on string) *QueryBuilder

func (*QueryBuilder) Insert 

func (query *QueryBuilder) Insert(data interface{}) (int64, error)

Insert 插入数据

func (*QueryBuilder) InsertSQL 

func (query *QueryBuilder) InsertSQL(data interface{}) string

InsertSQL 获取SQL语句

func (*QueryBuilder) InsertUpdate 

func (query *QueryBuilder) InsertUpdate(insert interface{}, update interface{}) (int64, error)

InsertUpdate

func (*QueryBuilder) InsertUpdateSQL 

func (query *QueryBuilder) InsertUpdateSQL(insert interface{}, update interface{}) string

InsertUpdate

func (*QueryBuilder) IsNULL 

func (query *QueryBuilder) IsNULL(column string) *QueryBuilder

IsNULL .

func (*QueryBuilder) IsNotNULL 

func (query *QueryBuilder) IsNotNULL(column string) *QueryBuilder

IsNotNULL .

func (*QueryBuilder) Join 

func (query *QueryBuilder) Join(tablename string, on string) *QueryBuilder

Join .

func (*QueryBuilder) LeftJoin 

func (query *QueryBuilder) LeftJoin(tablename string, on string) *QueryBuilder

LeftJoin .

func (*QueryBuilder) Like 

func (query *QueryBuilder) Like(column string, value interface{}) *QueryBuilder

Like .

func (*QueryBuilder) Limit 

func (query *QueryBuilder) Limit(limit int64) *QueryBuilder

Limit .

func (*QueryBuilder) MultiInsert 

func (query *QueryBuilder) MultiInsert(datas ...interface{}) (int64, error)

MultiInsert 批量插入

func (*QueryBuilder) MultiInsertSQL 

func (query *QueryBuilder) MultiInsertSQL(datas ...interface{}) string

MultiInsertSQL 批量插入

func (*QueryBuilder) NotBetween 

func (query *QueryBuilder) NotBetween(column string, value1 interface{}, value2 interface{}) *QueryBuilder

NotBetween 构造不Not Between

func (*QueryBuilder) NotEqual 

func (query *QueryBuilder) NotEqual(column string, value interface{}) *QueryBuilder

NotEqual 构造不等于

func (*QueryBuilder) NotIn 

func (query *QueryBuilder) NotIn(column string, value ...interface{}) *QueryBuilder

NotIn .

func (*QueryBuilder) NotOrBetween 

func (query *QueryBuilder) NotOrBetween(column string, value1 interface{}, value2 interface{}) *QueryBuilder

NotOrBetween 构造 Not Between OR Not Between

func (*QueryBuilder) Offset 

func (query *QueryBuilder) Offset(offset int64) *QueryBuilder

Offset .

func (*QueryBuilder) OrBetween 

func (query *QueryBuilder) OrBetween(column string, value1 interface{}, value2 interface{}) *QueryBuilder

OrBetween 构造 或者 Between

func (*QueryBuilder) OrEqual 

func (query *QueryBuilder) OrEqual(column string, value interface{}) *QueryBuilder

OrEqual 构造或者等于

func (*QueryBuilder) OrIn 

func (query *QueryBuilder) OrIn(column string, value ...interface{}) *QueryBuilder

OrIn orin语句

func (*QueryBuilder) OrIsNULL 

func (query *QueryBuilder) OrIsNULL(column string) *QueryBuilder

OrIsNULL .

func (*QueryBuilder) OrIsNotNULL 

func (query *QueryBuilder) OrIsNotNULL(column string) *QueryBuilder

OrIsNotNULL .

func (*QueryBuilder) OrLike 

func (query *QueryBuilder) OrLike(column string, value interface{}) *QueryBuilder

OrLike .

func (*QueryBuilder) OrNotEqual 

func (query *QueryBuilder) OrNotEqual(column string, value interface{}) *QueryBuilder

OrNotEqual 构造或者不等于

func (*QueryBuilder) OrNotIn 

func (query *QueryBuilder) OrNotIn(column string, value ...interface{}) *QueryBuilder

OrNotIn .

func (*QueryBuilder) OrWhere 

func (query *QueryBuilder) OrWhere(column string, value ...interface{}) *QueryBuilder

OrWhere 构造OR条件

func (*QueryBuilder) OrderBy 

func (query *QueryBuilder) OrderBy(column string, direction string) *QueryBuilder

OrderBy .

func (*QueryBuilder) QueryRow 

func (query *QueryBuilder) QueryRow(sql string, args ...interface{}) *Row

func (*QueryBuilder) QueryRowSQL 

func (query *QueryBuilder) QueryRowSQL(sql string, args ...interface{}) string

func (*QueryBuilder) QueryRows 

func (query *QueryBuilder) QueryRows(sql string, args ...interface{}) *Rows

func (*QueryBuilder) QueryRowsSQL 

func (query *QueryBuilder) QueryRowsSQL(sql string, args ...interface{}) string

func (*QueryBuilder) Replace 

func (query *QueryBuilder) Replace(datas ...interface{}) (int64, error)

Replace 替换

func (*QueryBuilder) ReplaceSQL 

func (query *QueryBuilder) ReplaceSQL(datas ...interface{}) string

ReplaceSQL 替换

func (*QueryBuilder) RightJoin 

func (query *QueryBuilder) RightJoin(tablename string, on string) *QueryBuilder

RightJoin .

func (*QueryBuilder) Row 

func (query *QueryBuilder) Row() *Row

GetRow 获取一条记录

func (*QueryBuilder) RowSQL 

func (query *QueryBuilder) RowSQL() string

func (*QueryBuilder) Rows 

func (query *QueryBuilder) Rows() *Rows

GetRows 获取多条记录

func (*QueryBuilder) RowsSQL 

func (query *QueryBuilder) RowsSQL() string

func (*QueryBuilder) Select 

func (query *QueryBuilder) Select(columns ...string) *QueryBuilder

Select 查询字段

func (*QueryBuilder) Skip 

func (query *QueryBuilder) Skip(offset int64) *QueryBuilder

Skip .

func (*QueryBuilder) Table 

func (query *QueryBuilder) Table(tablename ...string) *QueryBuilder

Table 设置操作的表名称

func (*QueryBuilder) ToSql 

func (query *QueryBuilder) ToSql(method string) string

ToSql 输出SQL语句

func (*QueryBuilder) Union 

func (query *QueryBuilder) Union(unions ...QueryBuilder) *QueryBuilder

Union .

func (*QueryBuilder) UnionAll 

func (query *QueryBuilder) UnionAll(unions ...QueryBuilder) *QueryBuilder

UnionAll .

func (*QueryBuilder) UnionLimit 

func (query *QueryBuilder) UnionLimit(limit int64) *QueryBuilder

UnionLimit .

func (*QueryBuilder) UnionOffset 

func (query *QueryBuilder) UnionOffset(offset int64) *QueryBuilder

UnionOffset .

func (*QueryBuilder) UnionOrderBy 

func (query *QueryBuilder) UnionOrderBy(column string, direction string) *QueryBuilder

UnionOrderBy .

func (*QueryBuilder) Update 

func (query *QueryBuilder) Update(data interface{}) (int64, error)

Update 更新

func (*QueryBuilder) UpdateSQL 

func (query *QueryBuilder) UpdateSQL(data interface{}) string

UpdateSQL 更新

func (*QueryBuilder) Where 

func (query *QueryBuilder) Where(column string, value ...interface{}) *QueryBuilder

Where 构造条件语句

type QueryDb 

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

QueryDb mysql 配置

func New 

func New(config *Config) *QueryDb

New 新连接

func (*QueryDb) Begin 

func (querydb *QueryDb) Begin() (*QueryTx, error)

Begin 开启一个事务

func (*QueryDb) Exec 

func (querydb *QueryDb) Exec(ctx context.Context, query string, args ...interface{}) (sql.Result, error)

Exec 复用执行语句

func (*QueryDb) GetLastSql 

func (querydb *QueryDb) GetLastSql() Sql

GetLastSql 获取sql语句

func (*QueryDb) LastSql 

func (querydb *QueryDb) LastSql(query string, args ...interface{})

func (*QueryDb) NewQuery 

func (querydb *QueryDb) NewQuery(ctx context.Context) *QueryBuilder

NewQuery 生成一个新的查询构造器

func (*QueryDb) Query 

func (querydb *QueryDb) Query(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)

Query 复用查询语句

type QueryTx 

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

QueryTx 事务

func (*QueryTx) Commit 

func (querytx *QueryTx) Commit() error

Commit 事务提交

func (*QueryTx) Exec 

func (querytx *QueryTx) Exec(ctx context.Context, query string, args ...interface{}) (sql.Result, error)

Exec 复用执行语句

func (*QueryTx) GetLastSql 

func (querytx *QueryTx) GetLastSql() Sql

GetLastSql 获取sql语句

func (*QueryTx) LastSql 

func (querytx *QueryTx) LastSql(query string, args ...interface{})

func (*QueryTx) NewQuery 

func (querytx *QueryTx) NewQuery(ctx context.Context) *QueryBuilder

NewQuery 生成一个新的查询构造器

func (*QueryTx) Query 

func (querytx *QueryTx) Query(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)

Query 复用查询语句

func (*QueryTx) Rollback 

func (querytx *QueryTx) Rollback() error

Rollback 事务回滚

type Row 

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

Row 获取记录

func (*Row) ToArray 

func (r *Row) ToArray() (result []string, err error)

ToArray get Array

func (*Row) ToInterface 

func (r *Row) ToInterface() (result map[string]interface{}, err error)

func (*Row) ToMap 

func (r *Row) ToMap() (result map[string]string, err error)

ToMap get Map

func (*Row) ToStruct 

func (r *Row) ToStruct(st interface{}) error

ToStruct get Struct

type Rows 

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

Rows get data

func (*Rows) ToArray 

func (r *Rows) ToArray() (data [][]string, err error)

ToArray get Array

func (*Rows) ToInterface 

func (r *Rows) ToInterface() (data []map[string]interface{}, err error)

[]map[interface{}]interface{}

func (*Rows) ToMap 

func (r *Rows) ToMap() (data []map[string]string, err error)

ToMap get Map

func (*Rows) ToStruct 

func (r *Rows) ToStruct(st interface{}) error

ToStruct get Struct

type Sql 

type Sql struct {
	Sql      string
	Args     []interface{}
	CostTime time.Duration
}

Sql sql语句

func (Sql) ToJson 

func (sql Sql) ToJson() string

ToJson sql语句转出json

func (Sql) ToString 

func (sqlRaw Sql) ToString() string

ToString sql语句转出string

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