db

package
v1.2.12 Latest Latest
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 Go to latest Published: May 22, 2020 License: Apache-2.0 Imports: 13 Imported by: 20

Documentation

Index

Constants

View Source 
const (
	// DriverMysql is a const value of mysql driver.
	DriverMysql = "mysql"
	// DriverSqlite is a const value of sqlite driver.
	DriverSqlite = "sqlite"
	// DriverPostgresql is a const value of postgresql driver.
	DriverPostgresql = "postgresql"
	// DriverMssql is a const value of mssql driver.
	DriverMssql = "mssql"
)
View Source 
const (
	INSERT = 0
	DELETE = 1
	UPDATE = 2
	QUERY  = 3
)

Variables

View Source 
var (
	// StringTypeList is a DatabaseType list of string.
	StringTypeList = []DatabaseType{Date, Time, Year, Datetime, Timestamptz, Timestamp, Timetz,
		Varchar, Char, Mediumtext, Longtext, Tinytext,
		Text, JSON, Blob, Tinyblob, Mediumblob, Longblob,
		Interval, Point, Bpchar,
		Line, Lseg, Box, Path, Polygon, Circle, Cidr, Inet, Macaddr, Character, Varyingcharacter,
		Nchar, Nativecharacter, Nvarchar, Clob, Binary, Varbinary, Enum, Set, Geometry, Multilinestring,
		Multipolygon, Linestring, Multipoint, Geometrycollection, Name, UUID, Timestamptz,
		Name, UUID, Inet}

	// BoolTypeList is a DatabaseType list of bool.
	BoolTypeList = []DatabaseType{Bool, Boolean}

	// IntTypeList is a DatabaseType list of integer.
	IntTypeList = []DatabaseType{Int4, Int2, Int8,
		Int,
		Tinyint,
		Mediumint,
		Smallint,
		Smallserial, Serial, Bigserial,
		Integer,
		Bigint}

	// FloatTypeList is a DatabaseType list of float.
	FloatTypeList = []DatabaseType{Float, Float4, Float8, Double, Real, Doubleprecision}

	// UintTypeList is a DatabaseType list of uint.
	UintTypeList = []DatabaseType{Decimal, Bit, Money, Numeric}
)
View Source 
var SQLPool = sync.Pool{
	New: func() interface{} {
		return &SQL{
			SQLComponent: dialect.SQLComponent{
				Fields:     make([]string, 0),
				TableName:  "",
				Args:       make([]interface{}, 0),
				Wheres:     make([]dialect.Where, 0),
				Leftjoins:  make([]dialect.Join, 0),
				UpdateRaws: make([]dialect.RawUpdate, 0),
				WhereRaws:  "",
				Order:      "",
				Group:      "",
				Limit:      "",
			},
			diver:   nil,
			dialect: nil,
		}
	},
}

SQLPool is a object pool of SQL.

Functions

func CheckError 

func CheckError(err error, t int) bool

func CommonBeginTxWithLevel 

func CommonBeginTxWithLevel(db *sql.DB, level sql.IsolationLevel) *sql.Tx

CommonBeginTxWithLevel starts a transaction with given transaction isolation level and db connection.

func CommonExec 

func CommonExec(db *sql.DB, query string, args ...interface{}) (sql.Result, error)

CommonExec is a common method of exec.

func CommonExecWithTx 

func CommonExecWithTx(tx *sql.Tx, query string, args ...interface{}) (sql.Result, error)

CommonExecWithTx is a common method of exec.

func CommonQuery 

func CommonQuery(db *sql.DB, query string, args ...interface{}) ([]map[string]interface{}, error)

CommonQuery is a common method of query.

func CommonQueryWithTx 

func CommonQueryWithTx(tx *sql.Tx, query string, args ...interface{}) ([]map[string]interface{}, error)

CommonQueryWithTx is a common method of query.

func Contains 

func Contains(v DatabaseType, a []DatabaseType) bool

Contains check the given DatabaseType is in the list or not.

func GetAggregationExpression 

func GetAggregationExpression(driver, field, headField, delimiter string) string

func RecycleSQL 

func RecycleSQL(sql *SQL)

RecycleSQL clear the SQL and put into the pool.

func SetColVarType 

func SetColVarType(colVar *[]interface{}, i int, typeName string)

SetColVarType set the column type.

func SetResultValue 

func SetResultValue(result *map[string]interface{}, index string, colVar interface{}, typeName string)

SetResultValue set the result value.

Types

type Base 

type Base struct {
	DbList map[string]*sql.DB
	Once   sync.Once
}

Base is a common Connection.

func (*Base) Close 

func (db *Base) Close() []error

Close implements the method Connection.Close.

func (*Base) GetDB 

func (db *Base) GetDB(key string) *sql.DB

GetDB implements the method Connection.GetDB.

type Connection 

type Connection interface {
	// Query is the query method of sql.
	Query(query string, args ...interface{}) ([]map[string]interface{}, error)

	// Exec is the exec method of sql.
	Exec(query string, args ...interface{}) (sql.Result, error)

	// QueryWithConnection is the query method with given connection of sql.
	QueryWithConnection(conn, query string, args ...interface{}) ([]map[string]interface{}, error)

	// ExecWithConnection is the exec method with given connection of sql.
	ExecWithConnection(conn, query string, args ...interface{}) (sql.Result, error)

	QueryWithTx(tx *sql.Tx, query string, args ...interface{}) ([]map[string]interface{}, error)

	ExecWithTx(tx *sql.Tx, query string, args ...interface{}) (sql.Result, error)

	BeginTxWithReadUncommitted() *sql.Tx
	BeginTxWithReadCommitted() *sql.Tx
	BeginTxWithRepeatableRead() *sql.Tx
	BeginTx() *sql.Tx
	BeginTxWithLevel(level sql.IsolationLevel) *sql.Tx

	BeginTxWithReadUncommittedAndConnection(conn string) *sql.Tx
	BeginTxWithReadCommittedAndConnection(conn string) *sql.Tx
	BeginTxWithRepeatableReadAndConnection(conn string) *sql.Tx
	BeginTxAndConnection(conn string) *sql.Tx
	BeginTxWithLevelAndConnection(conn string, level sql.IsolationLevel) *sql.Tx

	// InitDB initialize the database connections.
	InitDB(cfg map[string]config.Database) Connection

	// GetName get the connection name.
	Name() string

	Close() []error

	// GetDelimiter get the default testDelimiter.
	GetDelimiter() string

	GetDB(key string) *sql.DB
}

Connection is a connection handler of database.

func GetConnection 

func GetConnection(srvs service.List) Connection

func GetConnectionByDriver 

func GetConnectionByDriver(driver string) Connection

GetConnectionByDriver return the Connection by given driver name.

func GetConnectionFromService 

func GetConnectionFromService(srv interface{}) Connection

type DatabaseType 

type DatabaseType string

DatabaseType is the database field type. 

const (
	Int       DatabaseType = "INT"
	Tinyint   DatabaseType = "TINYINT"
	Mediumint DatabaseType = "MEDIUMINT"
	Smallint  DatabaseType = "SMALLINT"
	Bigint    DatabaseType = "BIGINT"
	Bit       DatabaseType = "BIT"
	Int8      DatabaseType = "INT8"
	Int4      DatabaseType = "INT4"
	Int2      DatabaseType = "INT2"

	Integer     DatabaseType = "INTEGER"
	Numeric     DatabaseType = "NUMERIC"
	Smallserial DatabaseType = "SMALLSERIAL"
	Serial      DatabaseType = "SERIAL"
	Bigserial   DatabaseType = "BIGSERIAL"
	Money       DatabaseType = "MONEY"

	Real    DatabaseType = "REAL"
	Float   DatabaseType = "FLOAT"
	Float4  DatabaseType = "FLOAT4"
	Float8  DatabaseType = "FLOAT8"
	Double  DatabaseType = "DOUBLE"
	Decimal DatabaseType = "DECIMAL"

	Doubleprecision DatabaseType = "DOUBLEPRECISION"

	Date      DatabaseType = "DATE"
	Time      DatabaseType = "TIME"
	Year      DatabaseType = "YEAR"
	Datetime  DatabaseType = "DATETIME"
	Timestamp DatabaseType = "TIMESTAMP"

	Text       DatabaseType = "TEXT"
	Longtext   DatabaseType = "LONGTEXT"
	Mediumtext DatabaseType = "MEDIUMTEXT"
	Tinytext   DatabaseType = "TINYTEXT"

	Varchar DatabaseType = "VARCHAR"
	Char    DatabaseType = "CHAR"
	Bpchar  DatabaseType = "BPCHAR"
	JSON    DatabaseType = "JSON"

	Blob       DatabaseType = "BLOB"
	Tinyblob   DatabaseType = "TINYBLOB"
	Mediumblob DatabaseType = "MEDIUMBLOB"
	Longblob   DatabaseType = "LONGBLOB"

	Interval DatabaseType = "INTERVAL"
	Boolean  DatabaseType = "BOOLEAN"
	Bool     DatabaseType = "BOOL"

	Point   DatabaseType = "POINT"
	Line    DatabaseType = "LINE"
	Lseg    DatabaseType = "LSEG"
	Box     DatabaseType = "BOX"
	Path    DatabaseType = "PATH"
	Polygon DatabaseType = "POLYGON"
	Circle  DatabaseType = "CIRCLE"

	Cidr    DatabaseType = "CIDR"
	Inet    DatabaseType = "INET"
	Macaddr DatabaseType = "MACADDR"

	Character        DatabaseType = "CHARACTER"
	Varyingcharacter DatabaseType = "VARYINGCHARACTER"
	Nchar            DatabaseType = "NCHAR"
	Nativecharacter  DatabaseType = "NATIVECHARACTER"
	Nvarchar         DatabaseType = "NVARCHAR"
	Clob             DatabaseType = "CLOB"

	Binary    DatabaseType = "BINARY"
	Varbinary DatabaseType = "VARBINARY"
	Enum      DatabaseType = "ENUM"
	Set       DatabaseType = "SET"

	Geometry DatabaseType = "GEOMETRY"

	Multilinestring    DatabaseType = "MULTILINESTRING"
	Multipolygon       DatabaseType = "MULTIPOLYGON"
	Linestring         DatabaseType = "LINESTRING"
	Multipoint         DatabaseType = "MULTIPOINT"
	Geometrycollection DatabaseType = "GEOMETRYCOLLECTION"

	Name DatabaseType = "NAME"
	UUID DatabaseType = "UUID"

	Timestamptz DatabaseType = "TIMESTAMPTZ"
	Timetz      DatabaseType = "TIMETZ"
)

func DT 

func DT(s string) DatabaseType

DT turn the string value into DatabaseType.

func GetDTAndCheck 

func GetDTAndCheck(s string) DatabaseType

GetDTAndCheck check the DatabaseType.

type H 

type H map[string]interface{}

H is a shorthand of map.

type Mssql 

type Mssql struct {
	Base
}

Mssql is a Connection of mssql.

func GetMssqlDB 

func GetMssqlDB() *Mssql

GetMssqlDB return the global mssql connection.

func (*Mssql) BeginTx 

func (db *Mssql) BeginTx() *sql.Tx

BeginTx starts a transaction with level LevelDefault.

func (*Mssql) BeginTxAndConnection 

func (db *Mssql) BeginTxAndConnection(conn string) *sql.Tx

BeginTxAndConnection starts a transaction with level LevelDefault and connection.

func (*Mssql) BeginTxWithLevel 

func (db *Mssql) BeginTxWithLevel(level sql.IsolationLevel) *sql.Tx

BeginTxWithLevel starts a transaction with given transaction isolation level.

func (*Mssql) BeginTxWithLevelAndConnection 

func (db *Mssql) BeginTxWithLevelAndConnection(conn string, level sql.IsolationLevel) *sql.Tx

BeginTxWithLevelAndConnection starts a transaction with given transaction isolation level and connection.

func (*Mssql) BeginTxWithReadCommitted 

func (db *Mssql) BeginTxWithReadCommitted() *sql.Tx

BeginTxWithReadCommitted starts a transaction with level LevelReadCommitted.

func (*Mssql) BeginTxWithReadCommittedAndConnection 

func (db *Mssql) BeginTxWithReadCommittedAndConnection(conn string) *sql.Tx

BeginTxWithReadCommittedAndConnection starts a transaction with level LevelReadCommitted and connection.

func (*Mssql) BeginTxWithReadUncommitted 

func (db *Mssql) BeginTxWithReadUncommitted() *sql.Tx

BeginTxWithReadUncommitted starts a transaction with level LevelReadUncommitted.

func (*Mssql) BeginTxWithReadUncommittedAndConnection 

func (db *Mssql) BeginTxWithReadUncommittedAndConnection(conn string) *sql.Tx

BeginTxWithReadUncommittedAndConnection starts a transaction with level LevelReadUncommitted and connection.

func (*Mssql) BeginTxWithRepeatableRead 

func (db *Mssql) BeginTxWithRepeatableRead() *sql.Tx

BeginTxWithRepeatableRead starts a transaction with level LevelRepeatableRead.

func (*Mssql) BeginTxWithRepeatableReadAndConnection 

func (db *Mssql) BeginTxWithRepeatableReadAndConnection(conn string) *sql.Tx

BeginTxWithRepeatableReadAndConnection starts a transaction with level LevelRepeatableRead and connection.

func (*Mssql) Exec 

func (db *Mssql) Exec(query string, args ...interface{}) (sql.Result, error)

Exec implements the method Connection.Exec.

func (*Mssql) ExecWithConnection 

func (db *Mssql) ExecWithConnection(con string, query string, args ...interface{}) (sql.Result, error)

ExecWithConnection implements the method Connection.ExecWithConnection.

func (*Mssql) ExecWithTx 

func (db *Mssql) ExecWithTx(tx *sql.Tx, query string, args ...interface{}) (sql.Result, error)

ExecWithTx is exec method within the transaction.

func (*Mssql) GetDelimiter 

func (db *Mssql) GetDelimiter() string

GetDelimiter implements the method Connection.GetDelimiter.

func (*Mssql) InitDB 

func (db *Mssql) InitDB(cfglist map[string]config.Database) Connection

InitDB implements the method Connection.InitDB.

func (*Mssql) Name 

func (db *Mssql) Name() string

Name implements the method Connection.Name.

func (*Mssql) Query 

func (db *Mssql) Query(query string, args ...interface{}) ([]map[string]interface{}, error)

Query implements the method Connection.Query.

func (*Mssql) QueryWithConnection 

func (db *Mssql) QueryWithConnection(con string, query string, args ...interface{}) ([]map[string]interface{}, error)

QueryWithConnection implements the method Connection.QueryWithConnection.

func (*Mssql) QueryWithTx 

func (db *Mssql) QueryWithTx(tx *sql.Tx, query string, args ...interface{}) ([]map[string]interface{}, error)

QueryWithTx is query method within the transaction.

type Mysql 

type Mysql struct {
	Base
}

Mysql is a Connection of mysql.

func GetMysqlDB 

func GetMysqlDB() *Mysql

GetMysqlDB return the global mysql connection.

func (*Mysql) BeginTx 

func (db *Mysql) BeginTx() *sql.Tx

BeginTx starts a transaction with level LevelDefault.

func (*Mysql) BeginTxAndConnection 

func (db *Mysql) BeginTxAndConnection(conn string) *sql.Tx

BeginTxAndConnection starts a transaction with level LevelDefault and connection.

func (*Mysql) BeginTxWithLevel 

func (db *Mysql) BeginTxWithLevel(level sql.IsolationLevel) *sql.Tx

BeginTxWithLevel starts a transaction with given transaction isolation level.

func (*Mysql) BeginTxWithLevelAndConnection 

func (db *Mysql) BeginTxWithLevelAndConnection(conn string, level sql.IsolationLevel) *sql.Tx

BeginTxWithLevelAndConnection starts a transaction with given transaction isolation level and connection.

func (*Mysql) BeginTxWithReadCommitted 

func (db *Mysql) BeginTxWithReadCommitted() *sql.Tx

BeginTxWithReadCommitted starts a transaction with level LevelReadCommitted.

func (*Mysql) BeginTxWithReadCommittedAndConnection 

func (db *Mysql) BeginTxWithReadCommittedAndConnection(conn string) *sql.Tx

BeginTxWithReadCommittedAndConnection starts a transaction with level LevelReadCommitted and connection.

func (*Mysql) BeginTxWithReadUncommitted 

func (db *Mysql) BeginTxWithReadUncommitted() *sql.Tx

BeginTxWithReadUncommitted starts a transaction with level LevelReadUncommitted.

func (*Mysql) BeginTxWithReadUncommittedAndConnection 

func (db *Mysql) BeginTxWithReadUncommittedAndConnection(conn string) *sql.Tx

BeginTxWithReadUncommittedAndConnection starts a transaction with level LevelReadUncommitted and connection.

func (*Mysql) BeginTxWithRepeatableRead 

func (db *Mysql) BeginTxWithRepeatableRead() *sql.Tx

BeginTxWithRepeatableRead starts a transaction with level LevelRepeatableRead.

func (*Mysql) BeginTxWithRepeatableReadAndConnection 

func (db *Mysql) BeginTxWithRepeatableReadAndConnection(conn string) *sql.Tx

BeginTxWithRepeatableReadAndConnection starts a transaction with level LevelRepeatableRead and connection.

func (*Mysql) Exec 

func (db *Mysql) Exec(query string, args ...interface{}) (sql.Result, error)

Exec implements the method Connection.Exec.

func (*Mysql) ExecWithConnection 

func (db *Mysql) ExecWithConnection(con string, query string, args ...interface{}) (sql.Result, error)

ExecWithConnection implements the method Connection.ExecWithConnection.

func (*Mysql) ExecWithTx 

func (db *Mysql) ExecWithTx(tx *sql.Tx, query string, args ...interface{}) (sql.Result, error)

ExecWithTx is exec method within the transaction.

func (*Mysql) GetDelimiter 

func (db *Mysql) GetDelimiter() string

GetDelimiter implements the method Connection.GetDelimiter.

func (*Mysql) InitDB 

func (db *Mysql) InitDB(cfgs map[string]config.Database) Connection

InitDB implements the method Connection.InitDB.

func (*Mysql) Name 

func (db *Mysql) Name() string

Name implements the method Connection.Name.

func (*Mysql) Query 

func (db *Mysql) Query(query string, args ...interface{}) ([]map[string]interface{}, error)

Query implements the method Connection.Query.

func (*Mysql) QueryWithConnection 

func (db *Mysql) QueryWithConnection(con string, query string, args ...interface{}) ([]map[string]interface{}, error)

QueryWithConnection implements the method Connection.QueryWithConnection.

func (*Mysql) QueryWithTx 

func (db *Mysql) QueryWithTx(tx *sql.Tx, query string, args ...interface{}) ([]map[string]interface{}, error)

QueryWithTx is query method within the transaction.

type Postgresql 

type Postgresql struct {
	Base
}

Postgresql is a Connection of postgresql.

func GetPostgresqlDB 

func GetPostgresqlDB() *Postgresql

GetPostgresqlDB return the global postgresql connection.

func (*Postgresql) BeginTx 

func (db *Postgresql) BeginTx() *sql.Tx

BeginTx starts a transaction with level LevelDefault.

func (*Postgresql) BeginTxAndConnection 

func (db *Postgresql) BeginTxAndConnection(conn string) *sql.Tx

BeginTxAndConnection starts a transaction with level LevelDefault and connection.

func (*Postgresql) BeginTxWithLevel 

func (db *Postgresql) BeginTxWithLevel(level sql.IsolationLevel) *sql.Tx

BeginTxWithLevel starts a transaction with given transaction isolation level.

func (*Postgresql) BeginTxWithLevelAndConnection 

func (db *Postgresql) BeginTxWithLevelAndConnection(conn string, level sql.IsolationLevel) *sql.Tx

BeginTxWithLevelAndConnection starts a transaction with given transaction isolation level and connection.

func (*Postgresql) BeginTxWithReadCommitted 

func (db *Postgresql) BeginTxWithReadCommitted() *sql.Tx

BeginTxWithReadCommitted starts a transaction with level LevelReadCommitted.

func (*Postgresql) BeginTxWithReadCommittedAndConnection 

func (db *Postgresql) BeginTxWithReadCommittedAndConnection(conn string) *sql.Tx

BeginTxWithReadCommittedAndConnection starts a transaction with level LevelReadCommitted and connection.

func (*Postgresql) BeginTxWithReadUncommitted 

func (db *Postgresql) BeginTxWithReadUncommitted() *sql.Tx

BeginTxWithReadUncommitted starts a transaction with level LevelReadUncommitted.

func (*Postgresql) BeginTxWithReadUncommittedAndConnection 

func (db *Postgresql) BeginTxWithReadUncommittedAndConnection(conn string) *sql.Tx

BeginTxWithReadUncommittedAndConnection starts a transaction with level LevelReadUncommitted and connection.

func (*Postgresql) BeginTxWithRepeatableRead 

func (db *Postgresql) BeginTxWithRepeatableRead() *sql.Tx

BeginTxWithRepeatableRead starts a transaction with level LevelRepeatableRead.

func (*Postgresql) BeginTxWithRepeatableReadAndConnection 

func (db *Postgresql) BeginTxWithRepeatableReadAndConnection(conn string) *sql.Tx

BeginTxWithRepeatableReadAndConnection starts a transaction with level LevelRepeatableRead and connection.

func (*Postgresql) Exec 

func (db *Postgresql) Exec(query string, args ...interface{}) (sql.Result, error)

Exec implements the method Connection.Exec.

func (*Postgresql) ExecWithConnection 

func (db *Postgresql) ExecWithConnection(con string, query string, args ...interface{}) (sql.Result, error)

ExecWithConnection implements the method Connection.ExecWithConnection.

func (*Postgresql) ExecWithTx 

func (db *Postgresql) ExecWithTx(tx *sql.Tx, query string, args ...interface{}) (sql.Result, error)

ExecWithTx is exec method within the transaction.

func (*Postgresql) GetDelimiter 

func (db *Postgresql) GetDelimiter() string

GetDelimiter implements the method Connection.GetDelimiter.

func (*Postgresql) InitDB 

func (db *Postgresql) InitDB(cfgList map[string]config.Database) Connection

InitDB implements the method Connection.InitDB.

func (*Postgresql) Name 

func (db *Postgresql) Name() string

Name implements the method Connection.Name.

func (*Postgresql) Query 

func (db *Postgresql) Query(query string, args ...interface{}) ([]map[string]interface{}, error)

Query implements the method Connection.Query.

func (*Postgresql) QueryWithConnection 

func (db *Postgresql) QueryWithConnection(con string, query string, args ...interface{}) ([]map[string]interface{}, error)

QueryWithConnection implements the method Connection.QueryWithConnection.

func (*Postgresql) QueryWithTx 

func (db *Postgresql) QueryWithTx(tx *sql.Tx, query string, args ...interface{}) ([]map[string]interface{}, error)

QueryWithTx is query method within the transaction.

type SQL 

type SQL struct {
	dialect.SQLComponent
	// contains filtered or unexported fields
}

SQL wraps the Connection and driver dialect methods.

func Table 

func Table(table string) *SQL

TableName return a SQL with given table and default connection.

func WithDriver 

func WithDriver(conn Connection) *SQL

WithDriver return a SQL with given driver.

func WithDriverAndConnection 

func WithDriverAndConnection(connName string, conn Connection) *SQL

WithDriverAndConnection return a SQL with given driver and connection name.

func (*SQL) All 

func (sql *SQL) All() ([]map[string]interface{}, error)

All query all the result and return.

func (*SQL) Avg 

func (sql *SQL) Avg(field string) (interface{}, error)

Avg find the average value of given field.

func (*SQL) Count 

func (sql *SQL) Count() (int64, error)

Count query the count of query results.

func (*SQL) Delete 

func (sql *SQL) Delete() error

Delete exec the delete method.

func (*SQL) Exec 

func (sql *SQL) Exec() (int64, error)

Exec exec the exec method.

func (*SQL) Find 

func (sql *SQL) Find(arg interface{}) (map[string]interface{}, error)

Find query the sql result with given id assuming that primary key name is "id".

func (*SQL) First 

func (sql *SQL) First() (map[string]interface{}, error)

First query the result and return the first row.

func (*SQL) GroupBy 

func (sql *SQL) GroupBy(fields ...string) *SQL

func (*SQL) GroupByRaw 

func (sql *SQL) GroupByRaw(group string) *SQL

GroupByRaw set group by.

func (*SQL) Insert 

func (sql *SQL) Insert(values dialect.H) (int64, error)

Insert exec the insert method of given key/value pairs.

func (*SQL) LeftJoin 

func (sql *SQL) LeftJoin(table string, fieldA string, operation string, fieldB string) *SQL

LeftJoin add a left join info.

func (*SQL) Max 

func (sql *SQL) Max(field string) (interface{}, error)

Max find the maximal value of given field.

func (*SQL) Min 

func (sql *SQL) Min(field string) (interface{}, error)

Min find the minimal value of given field.

func (*SQL) OrderBy 

func (sql *SQL) OrderBy(fields ...string) *SQL

OrderBy set order fields.

func (*SQL) OrderByRaw 

func (sql *SQL) OrderByRaw(order string) *SQL

OrderByRaw set order by.

func (*SQL) Select 

func (sql *SQL) Select(fields ...string) *SQL

Select set select fields.

func (*SQL) ShowColumns 

func (sql *SQL) ShowColumns() ([]map[string]interface{}, error)

ShowColumns show columns info.

func (*SQL) ShowTables 

func (sql *SQL) ShowTables() ([]string, error)

ShowTables show table info.

func (*SQL) Skip 

func (sql *SQL) Skip(offset int) *SQL

Skip set offset value.

func (*SQL) Sum 

func (sql *SQL) Sum(field string) (float64, error)

Sum sum the value of given field.

func (*SQL) Table 

func (sql *SQL) Table(table string) *SQL

TableName set table of SQL.

func (*SQL) Take 

func (sql *SQL) Take(take int) *SQL

Take set limit value.

func (*SQL) Update 

func (sql *SQL) Update(values dialect.H) (int64, error)

Update exec the update method of given key/value pairs.

func (*SQL) UpdateRaw 

func (sql *SQL) UpdateRaw(raw string, args ...interface{}) *SQL

UpdateRaw set UpdateRaw.

func (*SQL) Where 

func (sql *SQL) Where(field string, operation string, arg interface{}) *SQL

Where add the where operation and argument value.

func (*SQL) WhereIn 

func (sql *SQL) WhereIn(field string, arg []interface{}) *SQL

WhereIn add the where operation of "in" and argument values.

func (*SQL) WhereNotIn 

func (sql *SQL) WhereNotIn(field string, arg []interface{}) *SQL

WhereNotIn add the where operation of "not in" and argument values.

func (*SQL) WhereRaw 

func (sql *SQL) WhereRaw(raw string, args ...interface{}) *SQL

WhereRaw set WhereRaws and arguments.

func (*SQL) WithConnection 

func (sql *SQL) WithConnection(conn string) *SQL

WithConnection set the connection name of SQL.

func (*SQL) WithDriver 

func (sql *SQL) WithDriver(conn Connection) *SQL

WithDriver return a SQL with given driver.

func (*SQL) WithTransaction 

func (sql *SQL) WithTransaction(fn TxFn) (res map[string]interface{}, err error)

WithTransaction call the callback function within the transaction and catch the error.

func (*SQL) WithTransactionByLevel 

func (sql *SQL) WithTransactionByLevel(level dbsql.IsolationLevel, fn TxFn) (res map[string]interface{}, err error)

WithTransactionByLevel call the callback function within the transaction of given transaction level and catch the error.

func (*SQL) WithTx 

func (sql *SQL) WithTx(tx *dbsql.Tx) *SQL

WithTx set the database transaction object of SQL.

type SQLTx 

type SQLTx struct {
	Tx *sql.Tx
}

SQLTx is an in-progress database transaction.

type Sqlite 

type Sqlite struct {
	Base
}

Sqlite is a Connection of sqlite.

func GetSqliteDB 

func GetSqliteDB() *Sqlite

GetSqliteDB return the global sqlite connection.

func (*Sqlite) BeginTx 

func (db *Sqlite) BeginTx() *sql.Tx

BeginTx starts a transaction with level LevelDefault.

func (*Sqlite) BeginTxAndConnection 

func (db *Sqlite) BeginTxAndConnection(conn string) *sql.Tx

BeginTxAndConnection starts a transaction with level LevelDefault and connection.

func (*Sqlite) BeginTxWithLevel 

func (db *Sqlite) BeginTxWithLevel(level sql.IsolationLevel) *sql.Tx

BeginTxWithLevel starts a transaction with given transaction isolation level.

func (*Sqlite) BeginTxWithLevelAndConnection 

func (db *Sqlite) BeginTxWithLevelAndConnection(conn string, level sql.IsolationLevel) *sql.Tx

BeginTxWithLevelAndConnection starts a transaction with given transaction isolation level and connection.

func (*Sqlite) BeginTxWithReadCommitted 

func (db *Sqlite) BeginTxWithReadCommitted() *sql.Tx

BeginTxWithReadCommitted starts a transaction with level LevelReadCommitted.

func (*Sqlite) BeginTxWithReadCommittedAndConnection 

func (db *Sqlite) BeginTxWithReadCommittedAndConnection(conn string) *sql.Tx

BeginTxWithReadCommittedAndConnection starts a transaction with level LevelReadCommitted and connection.

func (*Sqlite) BeginTxWithReadUncommitted 

func (db *Sqlite) BeginTxWithReadUncommitted() *sql.Tx

BeginTxWithReadUncommitted starts a transaction with level LevelReadUncommitted.

func (*Sqlite) BeginTxWithReadUncommittedAndConnection 

func (db *Sqlite) BeginTxWithReadUncommittedAndConnection(conn string) *sql.Tx

BeginTxWithReadUncommittedAndConnection starts a transaction with level LevelReadUncommitted and connection.

func (*Sqlite) BeginTxWithRepeatableRead 

func (db *Sqlite) BeginTxWithRepeatableRead() *sql.Tx

BeginTxWithRepeatableRead starts a transaction with level LevelRepeatableRead.

func (*Sqlite) BeginTxWithRepeatableReadAndConnection 

func (db *Sqlite) BeginTxWithRepeatableReadAndConnection(conn string) *sql.Tx

BeginTxWithRepeatableReadAndConnection starts a transaction with level LevelRepeatableRead and connection.

func (*Sqlite) Exec 

func (db *Sqlite) Exec(query string, args ...interface{}) (sql.Result, error)

Exec implements the method Connection.Exec.

func (*Sqlite) ExecWithConnection 

func (db *Sqlite) ExecWithConnection(con string, query string, args ...interface{}) (sql.Result, error)

ExecWithConnection implements the method Connection.ExecWithConnection.

func (*Sqlite) ExecWithTx 

func (db *Sqlite) ExecWithTx(tx *sql.Tx, query string, args ...interface{}) (sql.Result, error)

ExecWithTx is exec method within the transaction.

func (*Sqlite) GetDelimiter 

func (db *Sqlite) GetDelimiter() string

GetDelimiter implements the method Connection.GetDelimiter.

func (*Sqlite) InitDB 

func (db *Sqlite) InitDB(cfgList map[string]config.Database) Connection

InitDB implements the method Connection.InitDB.

func (*Sqlite) Name 

func (db *Sqlite) Name() string

Name implements the method Connection.Name.

func (*Sqlite) Query 

func (db *Sqlite) Query(query string, args ...interface{}) ([]map[string]interface{}, error)

Query implements the method Connection.Query.

func (*Sqlite) QueryWithConnection 

func (db *Sqlite) QueryWithConnection(con string, query string, args ...interface{}) ([]map[string]interface{}, error)

QueryWithConnection implements the method Connection.QueryWithConnection.

func (*Sqlite) QueryWithTx 

func (db *Sqlite) QueryWithTx(tx *sql.Tx, query string, args ...interface{}) ([]map[string]interface{}, error)

QueryWithTx is query method within the transaction.

type TxFn 

type TxFn func(tx *dbsql.Tx) (error, map[string]interface{})

TxFn is the transaction callback function.

type Value 

type Value string

Value is a string.

func GetValueFromDatabaseType 

func GetValueFromDatabaseType(typ DatabaseType, value interface{}, json bool) Value

func GetValueFromJSONOfDatabaseType 

func GetValueFromJSONOfDatabaseType(typ DatabaseType, value interface{}) Value

GetValueFromJSONOfDatabaseType return Value of given DatabaseType and interface from JSON string value.

func GetValueFromSQLOfDatabaseType 

func GetValueFromSQLOfDatabaseType(typ DatabaseType, value interface{}) Value

GetValueFromDatabaseType return Value of given DatabaseType and interface.

func (Value) HTML 

func (v Value) HTML() template.HTML

HTML return the template.HTML value.

func (Value) String 

func (v Value) String() string

String return the string value.

func (Value) ToInt64 

func (v Value) ToInt64() int64

ToInt64 turn the string to a int64.

Source Files

View all Source files

Directories

Path Synopsis
drivers
mssql
mysql
postgres
sqlite

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