clause

package
v0.3.0 Latest Latest
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 Go to latest Published: Aug 27, 2022 License: MIT Imports: 6 Imported by: 17

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Index

Constants

View Source 
const (
	Union     = "UNION"
	Intersect = "INTERSECT"
	Except    = "EXCEPT"
)
View Source 
const (
	SearchBreadth = "BREADTH"
	SearchDepth   = "DEPTH"
)
View Source 
const (
	LockStrengthUpdate      = "UPDATE"
	LockStrengthNoKeyUpdate = "NO KEY UPDATE"
	LockStrengthShare       = "SHARE"
	LockStrengthKeyShare    = "KEY SHARE"
)
View Source 
const (
	LockWaitNoWait     = "NOWAIT"
	LockWaitSkipLocked = "SKIP LOCKED"
)
View Source 
const (
	InnerJoin    = "INNER JOIN"
	LeftJoin     = "LEFT JOIN"
	RightJoin    = "RIGHT JOIN"
	FullJoin     = "FULL JOIN"
	CrossJoin    = "CROSS JOIN"
	StraightJoin = "STRAIGHT_JOIN"
)

Variables

View Source 
var ErrNoCombinationStrategy = errors.New("Combination strategy must be set")
View Source 
var ErrNoLockStrength = errors.New("No lock strength specified")

Functions

This section is empty.

Types

type CTE 

type CTE struct {
	Query        bob.Query // SQL standard says only select, postgres allows insert/update/delete
	Name         string
	Columns      []string
	Materialized *bool
	Search       CTESearch
	Cycle        CTECycle
}

func (CTE) WriteSQL 

func (c CTE) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type CTECycle 

type CTECycle struct {
	Columns    []string
	Set        string
	Using      string
	SetVal     any
	DefaultVal any
}

func (CTECycle) WriteSQL 

func (c CTECycle) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type CTESearch 

type CTESearch struct {
	Order   string
	Columns []string
	Set     string
}

func (CTESearch) WriteSQL 

func (c CTESearch) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Combine 

type Combine struct {
	Strategy string
	Query    bob.Query
	All      bool
}

func (*Combine) SetCombine 

func (s *Combine) SetCombine(c Combine)

func (Combine) WriteSQL 

func (s Combine) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Conflict 

type Conflict struct {
	Do     string // DO NOTHING | DO UPDATE
	Target ConflictTarget
	Set
	Where
}

func (*Conflict) SetConflict 

func (c *Conflict) SetConflict(conflict Conflict)

func (Conflict) WriteSQL 

func (c Conflict) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type ConflictTarget 

type ConflictTarget struct {
	Target any
	Where  []any
}

func (ConflictTarget) WriteSQL 

func (c ConflictTarget) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Fetch 

type Fetch struct {
	Count    *int64
	WithTies bool
}

func (*Fetch) SetFetch 

func (f *Fetch) SetFetch(fetch Fetch)

func (Fetch) WriteSQL 

func (f Fetch) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type For 

type For struct {
	Strength string
	Tables   []string
	Wait     string
}

func (*For) SetFor 

func (f *For) SetFor(lock For)

func (For) WriteSQL 

func (f For) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Frame 

type Frame struct {
	Defined   bool // whether any of the parts was defined
	Mode      string
	Start     any
	End       any    // can be nil
	Exclusion string // can be empty
}

func (*Frame) SetEnd 

func (f *Frame) SetEnd(end any)

func (*Frame) SetExclusion 

func (f *Frame) SetExclusion(excl string)

func (*Frame) SetMode 

func (f *Frame) SetMode(mode string)

func (*Frame) SetStart 

func (f *Frame) SetStart(start any)

func (Frame) WriteSQL 

func (f Frame) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type From added in v0.2.0 

type From struct {
	Table any

	// Aliases
	Alias   string
	Columns []string

	// Dialect specific modifiers
	Only           bool        // Postgres
	Lateral        bool        // Postgres & MySQL
	WithOrdinality bool        // Postgres
	IndexedBy      *string     // SQLite
	Partitions     []string    // MySQL
	IndexHints     []IndexHint // MySQL

	// Joins
	Joins []Join
}

func (*From) AppendIndexHint added in v0.2.0 

func (f *From) AppendIndexHint(i IndexHint)

func (*From) AppendJoin added in v0.2.0 

func (f *From) AppendJoin(j Join)

func (*From) AppendPartition added in v0.2.0 

func (f *From) AppendPartition(partitions ...string)

func (*From) SetIndexedBy added in v0.2.0 

func (f *From) SetIndexedBy(i *string)

func (*From) SetLateral added in v0.2.0 

func (f *From) SetLateral(lateral bool)

func (*From) SetOnly added in v0.2.0 

func (f *From) SetOnly(only bool)

func (*From) SetTable added in v0.2.0 

func (f *From) SetTable(table any)

func (*From) SetTableAlias added in v0.2.0 

func (f *From) SetTableAlias(alias string, columns ...string)

func (*From) SetWithOrdinality added in v0.2.0 

func (f *From) SetWithOrdinality(to bool)

func (From) WriteSQL added in v0.2.0 

func (f From) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type GroupBy 

type GroupBy struct {
	Groups   []any
	Distinct bool
	With     string // ROLLUP | CUBE
}

func (*GroupBy) AppendGroup 

func (g *GroupBy) AppendGroup(e any)

func (*GroupBy) SetGroupByDistinct 

func (g *GroupBy) SetGroupByDistinct(distinct bool)

func (*GroupBy) SetGroupWith 

func (g *GroupBy) SetGroupWith(with string)

func (GroupBy) WriteSQL 

func (g GroupBy) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type GroupingSet 

type GroupingSet struct {
	Groups []bob.Expression
	Type   string // GROUPING SET | CUBE | ROLLUP
}

func (GroupingSet) WriteSQL 

func (g GroupingSet) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Having 

type Having struct {
	Conditions []any
}

func (*Having) AppendHaving 

func (h *Having) AppendHaving(e ...any)

func (Having) WriteSQL 

func (h Having) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type IWindow 

type IWindow interface {
	SetFrom(string)
	AddPartitionBy(...any)
	AddOrderBy(...any)
	SetMode(string)
	SetStart(any)
	SetEnd(any)
	SetExclusion(string)
}

type IndexHint 

type IndexHint struct {
	Type    string // USE, FORCE or IGNORE
	Indexes []string
	For     string // JOIN, ORDER BY or GROUP BY
}

func (IndexHint) WriteSQL 

func (f IndexHint) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Join 

type Join struct {
	Type  string
	To    any // the expression for the table
	Alias string

	// Join methods
	Natural bool
	On      []any
	Using   []any
}

func (Join) WriteSQL 

func (j Join) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Limit 

type Limit struct {
	// Some DBs (e.g. SQite) can take an expression
	// It is up to the mods to enforce any extra conditions
	Count any
}

func (*Limit) SetLimit 

func (l *Limit) SetLimit(limit any)

func (Limit) WriteSQL 

func (l Limit) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Load added in v0.2.0 

type Load[Q any] struct {
	LoadFuncs           []bob.LoadFunc
	ExtraLoaders        []bob.ExtraLoader
	EagerLoadMapperMods []scan.MapperMod
	EagerLoadMods       []bob.Mod[Q]
}

func (*Load[Q]) AppendEagerLoadMod added in v0.2.0 

func (l *Load[Q]) AppendEagerLoadMod(m bob.Mod[Q])

func (*Load[Q]) AppendExtraLoader added in v0.2.0 

func (l *Load[Q]) AppendExtraLoader(lo ...bob.ExtraLoader)

func (*Load[Q]) AppendLoader added in v0.2.0 

func (l *Load[Q]) AppendLoader(f bob.LoadFunc)

func (*Load[Q]) AppendMapperMod added in v0.2.0 

func (l *Load[Q]) AppendMapperMod(f scan.MapperMod)

func (*Load[Q]) GetExtraLoaders added in v0.2.0 

func (l *Load[Q]) GetExtraLoaders() []bob.ExtraLoader

func (*Load[Q]) GetLoaders added in v0.2.0 

func (l *Load[Q]) GetLoaders() []bob.LoadFunc

func (*Load[Q]) GetMapperMods added in v0.2.0 

func (l *Load[Q]) GetMapperMods() []scan.MapperMod

type NamedWindow 

type NamedWindow struct {
	Name       string
	Definition any
}

func (NamedWindow) WriteSQL 

func (n NamedWindow) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Offset 

type Offset struct {
	// Some DBs (e.g. SQite) can take an expression
	// It is up to the mods to enforce any extra conditions
	Count any
}

func (*Offset) SetOffset 

func (o *Offset) SetOffset(offset any)

func (Offset) WriteSQL 

func (o Offset) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type OrderBy 

type OrderBy struct {
	Expressions []OrderDef
}

func (*OrderBy) AppendOrder 

func (o *OrderBy) AppendOrder(order OrderDef)

func (OrderBy) WriteSQL 

func (o OrderBy) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type OrderDef 

type OrderDef struct {
	Expression    any
	Direction     string // ASC | DESC | USING operator
	Nulls         string // FIRST | LAST
	CollationName string
}

func (OrderDef) WriteSQL 

func (o OrderDef) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Returning 

type Returning struct {
	Expressions []any
}

func (*Returning) AppendReturning 

func (r *Returning) AppendReturning(columns ...any)

func (Returning) WriteSQL 

func (r Returning) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Select 

type Select struct {
	Columns   []any
	Modifiers []any
}

func (*Select) AppendSelect 

func (s *Select) AppendSelect(columns ...any)

func (Select) WriteSQL 

func (s Select) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Set 

type Set struct {
	Set []any
}

func (*Set) AppendSet 

func (s *Set) AppendSet(exprs ...any)

func (Set) WriteSQL 

func (s Set) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Table 

type Table struct {
	Expression any
	Alias      string
	Columns    []string
}

func (Table) As 

func (t Table) As(alias string, columns ...string) Table

func (Table) WriteSQL 

func (t Table) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Values 

type Values struct {
	// Query takes the highest priority
	// If present, will attempt to insert from this query
	Query bob.Query

	// for multiple inserts
	// each sub-slice is one set of values
	Vals []value
}

func (*Values) AppendValues 

func (v *Values) AppendValues(vals ...any)

func (Values) WriteSQL 

func (v Values) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Where 

type Where struct {
	Conditions []any
}

func (*Where) AppendWhere 

func (wh *Where) AppendWhere(e ...any)

func (Where) WriteSQL 

func (wh Where) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type WindowDef 

type WindowDef struct {
	From string // an existing window name

	Frame
	// contains filtered or unexported fields
}

func (*WindowDef) AddOrderBy 

func (wi *WindowDef) AddOrderBy(order ...any)

func (*WindowDef) AddPartitionBy 

func (wi *WindowDef) AddPartitionBy(condition ...any)

func (*WindowDef) SetFrom 

func (wi *WindowDef) SetFrom(from string)

func (WindowDef) WriteSQL 

func (wi WindowDef) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type Windows 

type Windows struct {
	Windows []NamedWindow
}

func (*Windows) AppendWindow 

func (wi *Windows) AppendWindow(w NamedWindow)

func (Windows) WriteSQL 

func (wi Windows) WriteSQL(w io.Writer, d bob.Dialect, start int) ([]any, error)

type With 

type With struct {
	Recursive bool
	CTEs      []CTE
}

func (*With) AppendWith 

func (w *With) AppendWith(cte CTE)

func (*With) SetRecursive 

func (w *With) SetRecursive(r bool)

func (With) WriteSQL 

func (w With) WriteSQL(wr io.Writer, d bob.Dialect, start int) ([]any, error)

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