orm

package
v0.7.3 Latest Latest
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 Go to latest Published: Feb 23, 2023 License: MIT Imports: 18 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrDbNotSelected                    = errors.New("db not selecteed")
	ErrTableNotExisted                  = errors.New("table not existed")
	ErrTableNotSelected                 = errors.New("table not selected")
	ErrColumnNotSelected                = errors.New("column not selected")
	ErrColumnNotExisted                 = errors.New("column not existed")
	ErrRawSqlRequired                   = errors.New("raw sql required")
	ErrParamMustBePtr                   = errors.New("param must be ptr")
	ErrParamElemKindMustBeStruct        = errors.New("param elem kind must be struct")
	ErrColumnShouldBeStringOrPtr        = errors.New("column should be string or ptr")
	ErrDestOfGetToMustBePtr             = errors.New("dest of Get-to must be ptr")
	ErrDestOfGetToSliceElemMustNotBePtr = errors.New("dest of Get-to slice elem kind must not be ptr")
	ErrDestOfGetToSliceElemMustBeStruct = errors.New("dest of Get-to slice elem kind must be struct")
)

Functions

func CreateStructFromTable added in v0.2.0 

func CreateStructFromTable[T Table](queryTable Query[T]) error

func CreateTableFromStruct added in v0.2.0 

func CreateTableFromStruct[T Table](query Query[T]) (string, error)

func FillDefaults added in v0.4.0 

func FillDefaults(table Table)

func SliceContain 

func SliceContain(array interface{}, val interface{}) (index int)

Types

type JoinType 

type JoinType string
const (
	JoinTypeInner JoinType = "inner join"
	JoinTypeLeft  JoinType = "left join"
	JoinTypeRight JoinType = "right join"
	JoinTypeOuter JoinType = "outer join"
)

type JsonInt 

type JsonInt int64

func (JsonInt) MarshalJSON 

func (i JsonInt) MarshalJSON() ([]byte, error)

func (*JsonInt) Scan 

func (i *JsonInt) Scan(v interface{}) error

func (JsonInt) ToString 

func (i JsonInt) ToString() string

func (*JsonInt) UnmarshalJSON 

func (i *JsonInt) UnmarshalJSON(data []byte) error

func (JsonInt) Value 

func (i JsonInt) Value() (driver.Value, error)

type JsonTime 

type JsonTime struct {
	time.Time
}

func (JsonTime) MarshalJSON 

func (t JsonTime) MarshalJSON() ([]byte, error)

MarshalJSON on JsonTime format Time field with %Y-%m-%d %H:%M:%S

func (*JsonTime) Scan 

func (t *JsonTime) Scan(v interface{}) error

Scan valueof time.Time

func (*JsonTime) UnmarshalJSON 

func (t *JsonTime) UnmarshalJSON(data []byte) error

MarshalJSON on JsonTime format Time field with %Y-%m-%d %H:%M:%S

func (JsonTime) Value 

func (t JsonTime) Value() (driver.Value, error)

Value insert timestamp into mysql need this function.

type Query 

type Query[T Table] struct {
	T *T
	// contains filtered or unexported fields
}

func NewQuery added in v0.3.0 

func NewQuery[T Table](t T, writeAndReadDbs ...*sql.DB) Query[T]

query table[struct] generics

func NewQueryRaw added in v0.5.1 

func NewQueryRaw(tableName string, writeAndReadDbs ...*sql.DB) Query[SubQuery]

query raw, tablename can be empty

func NewQuerySub added in v0.5.3 

func NewQuerySub(subquery SubQuery) Query[SubQuery]

query from subquery

func (Query[T]) Alias added in v0.3.0 

func (m Query[T]) Alias(alias string) Query[T]

func (Query[T]) AllCols added in v0.3.0 

func (m Query[T]) AllCols() string

func (Query[T]) DB 

func (m Query[T]) DB() *sql.DB

func (Query[T]) Delete 

func (m Query[T]) Delete(primaryIds ...interface{}) QueryResult

func (Query[T]) Execute added in v0.3.0 

func (m Query[T]) Execute() QueryResult

excute raw

func (Query[T]) ForUpdate added in v0.4.0 

func (m Query[T]) ForUpdate(forUpdateType ...SelectForUpdateType) Query[T]

func (Query[T]) FromTable 

func (m Query[T]) FromTable(table Table, alias ...string) Query[T]

func (Query[T]) Get added in v0.3.0 

func (m Query[T]) Get(primaryIds ...interface{}) (T, QueryResult)

get first T

func (Query[T]) GetCount added in v0.3.0 

func (m Query[T]) GetCount() (int64, QueryResult)

get count T

func (Query[T]) GetRow added in v0.3.0 

func (m Query[T]) GetRow() (map[string]interface{}, QueryResult)

get first row

func (Query[T]) GetRows added in v0.3.0 

func (m Query[T]) GetRows() ([]map[string]interface{}, QueryResult)

get slice row

func (Query[T]) GetTo added in v0.3.0 

func (m Query[T]) GetTo(destPtr interface{}) QueryResult

destPtr: *int | *int64 | *string | ... destPtr: *[]int | *[]string | ... destPtr: *struct | *[]struct destPtr: *map [int | string | ...] int | string ... destPtr: *map [int | string | ...] struct destPtr: *map [int | string | ...] []struct

func (Query[T]) Gets added in v0.3.0 

func (m Query[T]) Gets(primaryIds ...interface{}) ([]T, QueryResult)

get slice T

func (Query[T]) GroupBy 

func (m Query[T]) GroupBy(columns ...interface{}) Query[T]

should not use group by after order by

func (Query[T]) Having 

func (m Query[T]) Having(column interface{}, vals ...interface{}) Query[T]

func (Query[T]) Insert 

func (m Query[T]) Insert(data T, tableFieldPtrs ...interface{}) QueryResult

tableFieldPtrs: allow insert table columns

func (Query[T]) InsertSubquery added in v0.3.0 

func (m Query[T]) InsertSubquery(data SubQuery, updates []UpdateColumn, tableFieldPtrs ...interface{}) QueryResult

func (Query[T]) Inserts added in v0.3.0 

func (m Query[T]) Inserts(data []T, tableFieldPtrs ...interface{}) QueryResult

tableFieldPtrs: allow insert table columns

func (Query[T]) InsertsIgnore added in v0.3.0 

func (m Query[T]) InsertsIgnore(data []T, updates []UpdateColumn, tableFieldPtrs ...interface{}) QueryResult

insert ignore ... // on duplicate key update ...

func (Query[T]) Join 

func (m Query[T]) Join(table Table, where func(join Query[T]) Query[T], alias ...string) Query[T]

func (Query[T]) LeftJoin 

func (m Query[T]) LeftJoin(table Table, where func(join Query[T]) Query[T], alias ...string) Query[T]

func (Query[T]) Limit 

func (m Query[T]) Limit(limit int) Query[T]

func (Query[T]) Offset 

func (m Query[T]) Offset(offset int) Query[T]

func (Query[T]) OrWhere 

func (m Query[T]) OrWhere(column interface{}, vals ...interface{}) Query[T]

"id=1" &obj.id, 1 &obj.id, "=", 1

func (Query[T]) OrWhereFunc added in v0.3.0 

func (m Query[T]) OrWhereFunc(f func(Query[T]) Query[T]) Query[T]

"id=1" &obj.id, 1 &obj.id, "=", 1

func (Query[T]) OrWherePrimary added in v0.7.2 

func (m Query[T]) OrWherePrimary(val ...interface{}) Query[T]

func (Query[T]) OrderBy 

func (m Query[T]) OrderBy(column interface{}) Query[T]

func (Query[T]) OrderByDesc 

func (m Query[T]) OrderByDesc(column interface{}) Query[T]

func (Query[T]) OuterJoin added in v0.7.0 

func (m Query[T]) OuterJoin(table Table, where func(join Query[T]) Query[T], alias ...string) Query[T]

func (Query[T]) PartitionBy added in v0.4.0 

func (m Query[T]) PartitionBy(column interface{}) Query[T]

func (Query[T]) Raw added in v0.3.0 

func (m Query[T]) Raw(prepareSql string, bindings ...interface{}) Query[T]

func (Query[T]) RightJoin 

func (m Query[T]) RightJoin(table Table, where func(join Query[T]) Query[T], alias ...string) Query[T]

func (Query[T]) Select 

func (m Query[T]) Select(columns ...interface{}) Query[T]

func (Query[T]) SelectOver added in v0.5.2 

func (m Query[T]) SelectOver(windowFunc string, f func(query Query[T]) Query[T], alias string) Query[T]

func (Query[T]) SelectOverRaw added in v0.5.3 

func (m Query[T]) SelectOverRaw(windowFunc string, windowName string, alias string) Query[T]

func (Query[T]) SelectRank added in v0.4.0 

func (m Query[T]) SelectRank(column interface{}, alias string) Query[T]

func (Query[T]) SelectRankDesc added in v0.5.2 

func (m Query[T]) SelectRankDesc(column interface{}, alias string) Query[T]

func (Query[T]) SubQuery added in v0.3.0 

func (m Query[T]) SubQuery() SubQuery

func (Query[T]) TableInterface added in v0.3.0 

func (m Query[T]) TableInterface() Table

func (Query[T]) Transaction 

func (m Query[T]) Transaction(q func(tx *sql.Tx) error) error

func (Query[T]) Union added in v0.5.1 

func (m Query[T]) Union(subquery SubQuery) Query[T]

func (Query[T]) UnionAll added in v0.5.1 

func (m Query[T]) UnionAll(subquery SubQuery) Query[T]

func (Query[T]) Update 

func (m Query[T]) Update(column interface{}, val interface{}) QueryResult

func (Query[T]) Updates 

func (m Query[T]) Updates(updates ...UpdateColumn) QueryResult

func (Query[T]) UseDB 

func (m Query[T]) UseDB(db ...*sql.DB) Query[T]

func (Query[T]) UseTx 

func (m Query[T]) UseTx(tx *sql.Tx) Query[T]

func (Query[T]) Where 

func (m Query[T]) Where(column interface{}, vals ...interface{}) Query[T]

"id=1" &obj.id, 1 &obj.id, "=", 1

func (Query[T]) WhereFunc added in v0.3.0 

func (m Query[T]) WhereFunc(f func(Query[T]) Query[T]) Query[T]

"id=1" &obj.id, 1 &obj.id, "=", 1

func (Query[T]) WherePrimary added in v0.7.2 

func (m Query[T]) WherePrimary(val ...interface{}) Query[T]

where column(primary) = ? or column(primary) in (?)

func (Query[T]) WithChildrenOnColumn added in v0.5.1 

func (m Query[T]) WithChildrenOnColumn(pidColumn interface{}) Query[T]

func (Query[T]) WithCte added in v0.5.1 

func (m Query[T]) WithCte(subquery SubQuery, cteName string, columns ...string) Query[T]

func (Query[T]) WithParentsOnColumn added in v0.5.1 

func (m Query[T]) WithParentsOnColumn(pidColumn interface{}) Query[T]

func (Query[T]) WithRecursiveCte added in v0.5.1 

func (m Query[T]) WithRecursiveCte(subquery SubQuery, cteName string, columns ...string) Query[T]

func (Query[T]) WithWindow added in v0.5.1 

func (m Query[T]) WithWindow(subquery SubQuery, windowName string) Query[T]

type QueryResult 

type QueryResult struct {
	PrepareSql   string
	Bindings     []interface{}
	LastInsertId int64
	RowsAffected int64
	Err          error
}

func (QueryResult) Error added in v0.3.0 

func (q QueryResult) Error() error

func (QueryResult) Sql 

func (q QueryResult) Sql() string

type Raw 

type Raw string

type SelectForUpdateType added in v0.4.0 

type SelectForUpdateType string
const (
	SelectForUpdateTypeDefault    SelectForUpdateType = "for update"
	SelectForUpdateTypeNowait     SelectForUpdateType = "for update nowait"
	SelectForUpdateTypeSkipLocked SelectForUpdateType = "for update skip locked"
)

type SubQuery added in v0.3.0 

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

func NewSubQuery added in v0.5.1 

func NewSubQuery(prepareSql string, bindings ...interface{}) SubQuery

func (SubQuery) DatabaseName added in v0.3.0 

func (m SubQuery) DatabaseName() string

func (SubQuery) Error added in v0.3.0 

func (m SubQuery) Error() error

func (SubQuery) Sql added in v0.5.3 

func (m SubQuery) Sql() string

func (SubQuery) TableName added in v0.3.0 

func (m SubQuery) TableName() string

type Table 

type Table interface {
	TableName() string
	DatabaseName() string
}

type UpdateColumn 

type UpdateColumn struct {
	Column interface{}
	Val    interface{}
}

type WhereOperator 

type WhereOperator Raw
const (
	WhereEqual          WhereOperator = "="
	WhereNotEqual       WhereOperator = "!="
	WhereGreatThan      WhereOperator = ">"
	WhereGreaterOrEqual WhereOperator = ">="
	WhereLessThan       WhereOperator = "<"
	WhereLessOrEqual    WhereOperator = "<="
	WhereIn             WhereOperator = "in"
	WhereNotIn          WhereOperator = "not in"
	WhereLike           WhereOperator = "like"
	WhereNotLike        WhereOperator = "not like"
	WhereRlike          WhereOperator = "rlike"
	WhereNotRlike       WhereOperator = "not rlike"
	WhereIsNull         WhereOperator = "is null"
	WhereIsNotNull      WhereOperator = "is not null"
)

Source Files

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