schemas

package
v0.0.0-...-386c639 Latest Latest
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 Go to latest Published: Aug 12, 2022 License: BSD-3-Clause Imports: 10 Imported by: 0

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Index

Constants

View Source 
const (
	TWOSIDES = iota + 1
	ONLYTODB
	ONLYFROMDB
)
View Source 
const (
	IndexType = iota + 1
	UniqueType
)

enumerate all index types

View Source 
const (
	UNKNOW_TYPE = iota
	TEXT_TYPE
	BLOB_TYPE
	TIME_TYPE
	NUMERIC_TYPE
	ARRAY_TYPE
)

Variables

View Source 
var (
	// AlwaysFalseReverse always think it's not a reverse word
	AlwaysNoReserve = func(string) bool { return false }

	// AlwaysReverse always reverse the word
	AlwaysReserve = func(string) bool { return true }

	// CommanQuoteMark represnets the common quote mark
	CommanQuoteMark byte = '`'

	// CommonQuoter represetns a common quoter
	CommonQuoter = Quoter{CommanQuoteMark, CommanQuoteMark, AlwaysReserve}
)
View Source 
var (
	Bit       = "BIT"
	TinyInt   = "TINYINT"
	SmallInt  = "SMALLINT"
	MediumInt = "MEDIUMINT"
	Int       = "INT"
	Integer   = "INTEGER"
	BigInt    = "BIGINT"

	Enum = "ENUM"
	Set  = "SET"

	Char             = "CHAR"
	Varchar          = "VARCHAR"
	NChar            = "NCHAR"
	NVarchar         = "NVARCHAR"
	TinyText         = "TINYTEXT"
	Text             = "TEXT"
	NText            = "NTEXT"
	Clob             = "CLOB"
	MediumText       = "MEDIUMTEXT"
	LongText         = "LONGTEXT"
	Uuid             = "UUID"
	UniqueIdentifier = "UNIQUEIDENTIFIER"
	SysName          = "SYSNAME"

	Date          = "DATE"
	DateTime      = "DATETIME"
	DateTime2     = "DATETIME2"
	SmallDateTime = "SMALLDATETIME"
	Time          = "TIME"
	TimeStamp     = "TIMESTAMP"
	TimeStampz    = "TIMESTAMPZ"
	Year          = "YEAR"

	Decimal    = "DECIMAL"
	Numeric    = "NUMERIC"
	Money      = "MONEY"
	SmallMoney = "SMALLMONEY"

	Real   = "REAL"
	Float  = "FLOAT"
	Double = "DOUBLE"

	Binary     = "BINARY"
	VarBinary  = "VARBINARY"
	TinyBlob   = "TINYBLOB"
	Blob       = "BLOB"
	MediumBlob = "MEDIUMBLOB"
	LongBlob   = "LONGBLOB"
	Bytea      = "BYTEA"

	Bool    = "BOOL"
	Boolean = "BOOLEAN"

	Serial    = "SERIAL"
	BigSerial = "BIGSERIAL"

	Json  = "JSON"
	Jsonb = "JSONB"

	Array = "ARRAY"

	SqlTypes = map[string]int{
		Bit:       NUMERIC_TYPE,
		TinyInt:   NUMERIC_TYPE,
		SmallInt:  NUMERIC_TYPE,
		MediumInt: NUMERIC_TYPE,
		Int:       NUMERIC_TYPE,
		Integer:   NUMERIC_TYPE,
		BigInt:    NUMERIC_TYPE,

		Enum:  TEXT_TYPE,
		Set:   TEXT_TYPE,
		Json:  TEXT_TYPE,
		Jsonb: TEXT_TYPE,

		Char:       TEXT_TYPE,
		NChar:      TEXT_TYPE,
		Varchar:    TEXT_TYPE,
		NVarchar:   TEXT_TYPE,
		TinyText:   TEXT_TYPE,
		Text:       TEXT_TYPE,
		NText:      TEXT_TYPE,
		MediumText: TEXT_TYPE,
		LongText:   TEXT_TYPE,
		Uuid:       TEXT_TYPE,
		Clob:       TEXT_TYPE,
		SysName:    TEXT_TYPE,

		Date:          TIME_TYPE,
		DateTime:      TIME_TYPE,
		DateTime2:     TIME_TYPE,
		Time:          TIME_TYPE,
		TimeStamp:     TIME_TYPE,
		TimeStampz:    TIME_TYPE,
		SmallDateTime: TIME_TYPE,
		Year:          TIME_TYPE,

		Decimal:    NUMERIC_TYPE,
		Numeric:    NUMERIC_TYPE,
		Real:       NUMERIC_TYPE,
		Float:      NUMERIC_TYPE,
		Double:     NUMERIC_TYPE,
		Money:      NUMERIC_TYPE,
		SmallMoney: NUMERIC_TYPE,

		Binary:    BLOB_TYPE,
		VarBinary: BLOB_TYPE,

		TinyBlob:         BLOB_TYPE,
		Blob:             BLOB_TYPE,
		MediumBlob:       BLOB_TYPE,
		LongBlob:         BLOB_TYPE,
		Bytea:            BLOB_TYPE,
		UniqueIdentifier: BLOB_TYPE,

		Bool: NUMERIC_TYPE,

		Serial:    NUMERIC_TYPE,
		BigSerial: NUMERIC_TYPE,

		Array: ARRAY_TYPE,
	}
)
View Source 
var (
	IntType   = reflect.TypeOf(c_INT_DEFAULT)
	Int8Type  = reflect.TypeOf(c_INT8_DEFAULT)
	Int16Type = reflect.TypeOf(c_INT16_DEFAULT)
	Int32Type = reflect.TypeOf(c_INT32_DEFAULT)
	Int64Type = reflect.TypeOf(c_INT64_DEFAULT)

	UintType   = reflect.TypeOf(c_UINT_DEFAULT)
	Uint8Type  = reflect.TypeOf(c_UINT8_DEFAULT)
	Uint16Type = reflect.TypeOf(c_UINT16_DEFAULT)
	Uint32Type = reflect.TypeOf(c_UINT32_DEFAULT)
	Uint64Type = reflect.TypeOf(c_UINT64_DEFAULT)

	Float32Type = reflect.TypeOf(c_FLOAT32_DEFAULT)
	Float64Type = reflect.TypeOf(c_FLOAT64_DEFAULT)

	Complex64Type  = reflect.TypeOf(c_COMPLEX64_DEFAULT)
	Complex128Type = reflect.TypeOf(c_COMPLEX128_DEFAULT)

	StringType = reflect.TypeOf(c_EMPTY_STRING)
	BoolType   = reflect.TypeOf(c_BOOL_DEFAULT)
	ByteType   = reflect.TypeOf(c_BYTE_DEFAULT)
	BytesType  = reflect.SliceOf(ByteType)

	TimeType = reflect.TypeOf(c_TIME_DEFAULT)
)
View Source 
var (
	PtrIntType   = reflect.PtrTo(IntType)
	PtrInt8Type  = reflect.PtrTo(Int8Type)
	PtrInt16Type = reflect.PtrTo(Int16Type)
	PtrInt32Type = reflect.PtrTo(Int32Type)
	PtrInt64Type = reflect.PtrTo(Int64Type)

	PtrUintType   = reflect.PtrTo(UintType)
	PtrUint8Type  = reflect.PtrTo(Uint8Type)
	PtrUint16Type = reflect.PtrTo(Uint16Type)
	PtrUint32Type = reflect.PtrTo(Uint32Type)
	PtrUint64Type = reflect.PtrTo(Uint64Type)

	PtrFloat32Type = reflect.PtrTo(Float32Type)
	PtrFloat64Type = reflect.PtrTo(Float64Type)

	PtrComplex64Type  = reflect.PtrTo(Complex64Type)
	PtrComplex128Type = reflect.PtrTo(Complex128Type)

	PtrStringType = reflect.PtrTo(StringType)
	PtrBoolType   = reflect.PtrTo(BoolType)
	PtrByteType   = reflect.PtrTo(ByteType)

	PtrTimeType = reflect.PtrTo(TimeType)
)

Functions

func SQLType2Type 

func SQLType2Type(st SQLType) reflect.Type

default sql type change to go types

Types

type Column 

type Column struct {
	Name            string
	TableName       string
	FieldName       string // Avaiable only when parsed from a struct
	SQLType         SQLType
	IsJSON          bool
	Length          int
	Length2         int
	Nullable        bool
	Default         string
	Indexes         map[string]int
	IsPrimaryKey    bool
	IsAutoIncrement bool
	MapType         int
	IsCreated       bool
	IsUpdated       bool
	IsDeleted       bool
	IsCascade       bool
	IsVersion       bool
	DefaultIsEmpty  bool // false means column has no default set, but not default value is empty
	EnumOptions     map[string]int
	SetOptions      map[string]int
	DisableTimeZone bool
	TimeZone        *time.Location // column specified time zone
	Comment         string
}

Column defines database column

func NewColumn 

func NewColumn(name, fieldName string, sqlType SQLType, len1, len2 int, nullable bool) *Column

NewColumn creates a new column

func (*Column) ConvertID 

func (col *Column) ConvertID(sid string) (interface{}, error)

ConvertID converts id content to suitable type according column type

func (*Column) ValueOf 

func (col *Column) ValueOf(bean interface{}) (*reflect.Value, error)

ValueOf returns column's filed of struct's value

func (*Column) ValueOfV 

func (col *Column) ValueOfV(dataStruct *reflect.Value) (*reflect.Value, error)

ValueOfV returns column's filed of struct's value accept reflevt value

type DBType 

type DBType string
const (
	POSTGRES DBType = "postgres"
	SQLITE   DBType = "sqlite3"
	MYSQL    DBType = "mysql"
	MSSQL    DBType = "mssql"
	ORACLE   DBType = "oracle"
)

type Index 

type Index struct {
	IsRegular bool
	Name      string
	Type      int
	Cols      []string
}

Index represents a database index

func NewIndex 

func NewIndex(name string, indexType int) *Index

NewIndex new an index object

func (*Index) AddColumn 

func (index *Index) AddColumn(cols ...string)

AddColumn add columns which will be composite index

func (*Index) Equal 

func (index *Index) Equal(dst *Index) bool

func (*Index) XName 

func (index *Index) XName(tableName string) string

type PK 

type PK []interface{}

func NewPK 

func NewPK(pks ...interface{}) *PK

func (*PK) FromString 

func (p *PK) FromString(content string) error

func (*PK) IsZero 

func (p *PK) IsZero() bool

func (*PK) ToString 

func (p *PK) ToString() (string, error)

type Quoter 

type Quoter struct {
	Prefix     byte
	Suffix     byte
	IsReserved func(string) bool
}

Quoter represents a quoter to the SQL table name and column name

func (Quoter) IsEmpty 

func (q Quoter) IsEmpty() bool

func (Quoter) Join 

func (q Quoter) Join(a []string, sep string) string

func (Quoter) JoinWrite 

func (q Quoter) JoinWrite(b *strings.Builder, a []string, sep string) error

func (Quoter) Quote 

func (q Quoter) Quote(s string) string

func (Quoter) QuoteTo 

func (q Quoter) QuoteTo(buf *strings.Builder, value string) error

QuoteTo quotes the table or column names. i.e. if the quotes are [ and ] 

name -> [name]
`name` -> [name]
[name] -> [name]
schema.name -> [schema].[name]
`schema`.`name` -> [schema].[name]
`schema`.name -> [schema].[name]
schema.`name` -> [schema].[name]
[schema].name -> [schema].[name]
schema.[name] -> [schema].[name]
name AS a  ->  [name] AS a
schema.name AS a  ->  [schema].[name] AS a

func (Quoter) Replace 

func (q Quoter) Replace(sql string) string

Replace replaces common quote(`) as the quotes on the sql

func (Quoter) Strings 

func (q Quoter) Strings(s []string) []string

Strings quotes a slice of string

func (Quoter) Trim 

func (q Quoter) Trim(s string) string

Trim removes quotes from s

type SQLType 

type SQLType struct {
	Name           string
	DefaultLength  int
	DefaultLength2 int
}

SQLType represents SQL types

func Type2SQLType 

func Type2SQLType(t reflect.Type) (st SQLType)

Type2SQLType generate SQLType acorrding Go's type

func (*SQLType) IsArray 

func (s *SQLType) IsArray() bool

func (*SQLType) IsBlob 

func (s *SQLType) IsBlob() bool

func (*SQLType) IsJson 

func (s *SQLType) IsJson() bool

func (*SQLType) IsNumeric 

func (s *SQLType) IsNumeric() bool

func (*SQLType) IsText 

func (s *SQLType) IsText() bool

func (*SQLType) IsTime 

func (s *SQLType) IsTime() bool

func (*SQLType) IsType 

func (s *SQLType) IsType(st int) bool

type Table 

type Table struct {
	Name string
	Type reflect.Type

	Indexes       map[string]*Index
	PrimaryKeys   []string
	AutoIncrement string
	Created       map[string]bool
	Updated       string
	Deleted       string
	Version       string
	StoreEngine   string
	Charset       string
	Comment       string
	// contains filtered or unexported fields
}

Table represents a database table

func NewEmptyTable 

func NewEmptyTable() *Table

NewEmptyTable creates an empty table

func NewTable 

func NewTable(name string, t reflect.Type) *Table

NewTable creates a new Table object

func (*Table) AddColumn 

func (table *Table) AddColumn(col *Column)

AddColumn adds a column to table

func (*Table) AddIndex 

func (table *Table) AddIndex(index *Index)

AddIndex adds an index or an unique to table

func (*Table) AutoIncrColumn 

func (table *Table) AutoIncrColumn() *Column

func (*Table) ColumnType 

func (table *Table) ColumnType(name string) reflect.Type

func (*Table) Columns 

func (table *Table) Columns() []*Column

Columns returns table's columns

func (*Table) ColumnsSeq 

func (table *Table) ColumnsSeq() []string

ColumnsSeq returns table's column names according sequence

func (*Table) DeletedColumn 

func (table *Table) DeletedColumn() *Column

func (*Table) GetColumn 

func (table *Table) GetColumn(name string) *Column

GetColumn returns column according column name, if column not found, return nil

func (*Table) GetColumnIdx 

func (table *Table) GetColumnIdx(name string, idx int) *Column

GetColumnIdx returns column according name and idx

func (*Table) IDOfV 

func (table *Table) IDOfV(rv reflect.Value) (PK, error)

IDOfV get id from one value of struct

func (*Table) PKColumns 

func (table *Table) PKColumns() []*Column

PKColumns reprents all primary key columns

func (*Table) UpdatedColumn 

func (table *Table) UpdatedColumn() *Column

func (*Table) VersionColumn 

func (table *Table) VersionColumn() *Column

Source Files

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