builder

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 Go to latest Published: Apr 15, 2024 License: MIT Imports: 5 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func IsExpression 

func IsExpression(obj any) (b bool)

func ToSlice 

func ToSlice(arg any) []any

Types

type Column 

type Column struct {
	Name  string
	Alias string // 可选别名
	IsRaw bool   // 是否是原生SQL片段
	Binds []any  // 绑定数据
}

Column 表示SELECT语句中的列信息。

type Context 

type Context struct {
	TableClause       TableClause
	SelectClause      SelectClause
	JoinClause        JoinClause
	WhereClause       WhereClause
	GroupClause       GroupClause
	HavingClause      HavingClause
	OrderByClause     OrderByClause
	LimitOffsetClause LimitOffsetClause
	UnionClause       UnionClause

	PessimisticLocking string
	Prefix             string
}

func NewContext 

func NewContext(prefix string) *Context

func (*Context) AddSelect 

func (db *Context) AddSelect(columns ...string) *Context

func (*Context) CrossJoin 

func (db *Context) CrossJoin(table any, argOrFn ...any) *Context

func (*Context) GroupBy 

func (db *Context) GroupBy(columns ...string) *Context

func (*Context) GroupByRaw 

func (db *Context) GroupByRaw(columns ...string) *Context

func (*Context) Having 

func (db *Context) Having(column any, argsOrClosure ...any) *Context

func (*Context) HavingRaw 

func (db *Context) HavingRaw(raw string, argsOrClosure ...any) *Context

func (*Context) Join 

func (db *Context) Join(table any, argOrFn ...any) *Context

func (*Context) LeftJoin 

func (db *Context) LeftJoin(table any, argOrFn ...any) *Context

func (*Context) Limit 

func (db *Context) Limit(limit int) *Context

func (*Context) LockForUpdate 

func (db *Context) LockForUpdate() *Context

func (*Context) Offset 

func (db *Context) Offset(offset int) *Context

func (*Context) OrHaving 

func (db *Context) OrHaving(column any, argsOrClosure ...any) *Context

func (*Context) OrHavingRaw 

func (db *Context) OrHavingRaw(raw string, argsOrClosure ...any) *Context

func (*Context) OrWhere 

func (db *Context) OrWhere(column any, argsOrclosure ...any) *Context

func (*Context) OrWhereBuilder 

func (db *Context) OrWhereBuilder(column string, operation string, sub IBuilder) *Context

func (*Context) OrWhereNested 

func (db *Context) OrWhereNested(handler WhereNestedHandler) *Context

func (*Context) OrWhereRaw 

func (db *Context) OrWhereRaw(raw string, bindings ...any) *Context

func (*Context) OrWhereSub 

func (db *Context) OrWhereSub(column string, operation string, sub WhereSubHandler) *Context

func (*Context) OrderBy 

func (db *Context) OrderBy(column string, directions ...string) *Context

func (*Context) OrderByRaw 

func (db *Context) OrderByRaw(column string) *Context

func (*Context) Page 

func (db *Context) Page(num int) *Context

func (*Context) RightJoin 

func (db *Context) RightJoin(table any, argOrFn ...any) *Context

func (*Context) Select 

func (db *Context) Select(columns ...string) *Context

func (*Context) SelectRaw 

func (db *Context) SelectRaw(raw string, binds ...any) *Context

func (*Context) SharedLock 

func (db *Context) SharedLock() *Context

func (*Context) Table 

func (db *Context) Table(table any, alias ...string) *Context

func (*Context) Where 

func (db *Context) Where(column any, argsOrclosure ...any) *Context

func (*Context) WhereBuilder 

func (db *Context) WhereBuilder(column string, operation string, sub IBuilder) *Context

func (*Context) WhereNested 

func (db *Context) WhereNested(handler WhereNestedHandler) *Context

func (*Context) WhereRaw 

func (db *Context) WhereRaw(raw string, bindings ...any) *Context

func (*Context) WhereSub 

func (db *Context) WhereSub(column string, operation string, sub WhereSubHandler) *Context

type GroupClause 

type GroupClause struct {
	Groups []TypeGroupItem
}

func (*GroupClause) GroupBy 

func (db *GroupClause) GroupBy(columns ...string)

GroupBy 添加 GROUP BY 子句

func (*GroupClause) GroupByRaw 

func (db *GroupClause) GroupByRaw(columns ...string)

type HavingClause 

type HavingClause struct {
	WhereClause
}

HavingClause 类似于WhereClause，但应用于HAVING子句。

type IBuilder 

type IBuilder interface {
	ToSql() (sql4prepare string, binds []any, err error)
	ToSqlSelect() (sql4prepare string, binds []any)
	ToSqlTable() (sql4prepare string, values []any, err error)
	ToSqlJoin() (sql4prepare string, binds []any, err error)
	ToSqlWhere() (sql4prepare string, values []any, err error)
	ToSqlOrderBy() (sql4prepare string)
	ToSqlLimitOffset() (sqlSegment string, binds []any)
	ToSqlInsert(obj any, args ...TypeToSqlInsertCase) (sqlSegment string, binds []any, err error)
	ToSqlDelete(obj any, mustColumn ...string) (sqlSegment string, binds []any, err error)
	ToSqlUpdate(obj any, mustColumn ...string) (sqlSegment string, binds []any, err error)
	ToSqlIncDec(symbol string, data map[string]any) (sql4prepare string, values []any, err error)
}

type IJoinOn 

type IJoinOn interface {
	On(column string, args ...string) IJoinOn
	OrOn(column string, args ...string) IJoinOn
}

type IWhere 

type IWhere interface {
	Where(column any, args ...any) IWhere
	OrWhere(column any, args ...any) IWhere
	WhereRaw(raw string, bindingsAndBoolean ...any) IWhere
	OrWhereRaw(sqlSeg string, bindingsAndBoolean ...any) IWhere
	WhereBetween(column string, values any) IWhere
	OrWhereBetween(column string, values any) IWhere
	WhereNotBetween(column string, values any) IWhere
	OrWhereNotBetween(column string, values any) IWhere
	WhereIn(column string, values any) IWhere
	OrWhereIn(column string, values any) IWhere
	WhereNotIn(column string, values any) IWhere
	OrWhereNotIn(column string, values any) IWhere
	WhereNull(column string) IWhere
	OrWhereNull(column string) IWhere
	WhereNotNull(column string) IWhere
	OrWhereNotNull(column string) IWhere
	WhereLike(column string, value string) IWhere
	OrWhereLike(column string, value string) IWhere
	WhereNotLike(column string, value string) IWhere
	OrWhereNotLike(column string, value string) IWhere

	WhereBuilder(column string, operation string, build IBuilder) IWhere
	OrWhereBuilder(column string, operation string, sub IBuilder) IWhere
	WhereSub(column string, operation string, sub WhereSubHandler) IWhere
	OrWhereSub(column string, operation string, sub WhereSubHandler) IWhere
	WhereNested(handler WhereNestedHandler) IWhere
	OrWhereNested(handler WhereNestedHandler) IWhere

	WhereExists(clause IBuilder) IWhere
	WhereNotExists(clause IBuilder) IWhere
}

type JoinClause 

type JoinClause struct {
	JoinItems []any
	Err       error
}

JoinClause 描述JOIN操作

func (*JoinClause) CrossJoin 

func (db *JoinClause) CrossJoin(table any, argOrFn ...any) *JoinClause

CrossJoin 描述CROSS JOIN操作

func (*JoinClause) Join 

func (db *JoinClause) Join(table any, argOrFn ...any) *JoinClause

func (*JoinClause) JoinOn 

func (db *JoinClause) JoinOn(table any, fn func(on IJoinOn)) *JoinClause

func (*JoinClause) LeftJoin 

func (db *JoinClause) LeftJoin(table any, argOrFn ...any) *JoinClause

LeftJoin 描述LEFT JOIN操作

func (*JoinClause) RightJoin 

func (db *JoinClause) RightJoin(table any, argOrFn ...any) *JoinClause

RightJoin 描述RIGHT JOIN操作

type LimitOffsetClause 

type LimitOffsetClause struct {
	Limit  int
	Offset int
	Page   int
}

LimitOffsetClause 存储LIMIT和OFFSET信息。

type OrderByClause 

type OrderByClause struct {
	Columns []OrderByItem
}

OrderByClause 存储排序信息。

func (*OrderByClause) OrderBy 

func (db *OrderByClause) OrderBy(column string, directions ...string)

OrderBy adds an ORDER BY clause to the query.

func (*OrderByClause) OrderByRaw 

func (db *OrderByClause) OrderByRaw(column string)

OrderByRaw adds a Raw ORDER BY clause to the query.

type OrderByItem 

type OrderByItem struct {
	Column    string
	Direction string // "asc" 或 "desc"
	IsRaw     bool
}

type SelectClause 

type SelectClause struct {
	Columns  []Column
	Distinct bool
}

SelectClause 存储SELECT子句相关信息。

func (*SelectClause) AddSelect 

func (db *SelectClause) AddSelect(columns ...string) *SelectClause

func (*SelectClause) Select 

func (db *SelectClause) Select(columns ...string) *SelectClause

Select specifies the columns to retrieve. Select("a","b") Select("a.id as aid","b.id bid") Select("id,nickname name")

func (*SelectClause) SelectRaw 

func (db *SelectClause) SelectRaw(raw string, binds ...any) *SelectClause

SelectRaw 允许直接在查询中插入原始SQL片段作为选择列。

type TableClause 

type TableClause struct {
	Tables any // table name or struct(slice) or subQuery
	Alias  string
}

TableClause table clause

func (*TableClause) Table 

func (db *TableClause) Table(table any, alias ...string)

Table sets the table name for the query.

type TypeGroupItem 

type TypeGroupItem struct {
	Column string
	IsRaw  bool
}

type TypeJoinOn 

type TypeJoinOn struct {
	TableClause
	OnClause func(IJoinOn)
	Type     string // JOIN类型（INNER, LEFT, RIGHT等）
}

type TypeJoinOnCondition 

type TypeJoinOnCondition struct {
	Conditions []TypeJoinOnConditionItem
}

func (*TypeJoinOnCondition) On 

func (jc *TypeJoinOnCondition) On(column1 string, operatorOrColumn2 ...string) IJoinOn

func (*TypeJoinOnCondition) OrOn 

func (jc *TypeJoinOnCondition) OrOn(column1 string, operatorOrColumn2 ...string) IJoinOn

type TypeJoinOnConditionItem 

type TypeJoinOnConditionItem struct {
	Relation string // and/or
	Column1  string
	Operator string
	Column2  string
}

type TypeJoinStandard 

type TypeJoinStandard struct {
	TableClause
	Type     string // JOIN类型（INNER, LEFT, RIGHT等）
	Column1  string
	Operator string
	Column2  string
}

type TypeJoinSub 

type TypeJoinSub struct {
	IBuilder
}

TypeJoinSub 描述JOIN操作

type TypeToSqlIncDecCase 

type TypeToSqlIncDecCase struct {
	Symbol string
	Data   map[string]any
}

type TypeToSqlInsertCase 

type TypeToSqlInsertCase struct {
	IsReplace       bool
	IsIgnoreCase    bool
	OnDuplicateKeys []string
	UpdateFields    []string
	MustColumn      []string
}

type TypeToSqlUpdateCase 

type TypeToSqlUpdateCase struct {
	BindOrData any
	MustColumn []string
}

type TypeWhereBetween 

type TypeWhereBetween struct {
	LogicalOp string
	Column    string
	Operator  string
	Value     any
}

type TypeWhereExists 

type TypeWhereExists struct {
	IBuilder
	Not bool
}

type TypeWhereIn 

type TypeWhereIn struct {
	LogicalOp string
	Column    string
	Operator  string
	Value     any
}

type TypeWhereNested 

type TypeWhereNested struct {
	LogicalOp   string
	WhereNested WhereNestedHandler
}

type TypeWhereRaw 

type TypeWhereRaw struct {
	LogicalOp string
	Column    string
	Bindings  []any
}

type TypeWhereStandard 

type TypeWhereStandard struct {
	LogicalOp string
	Column    string
	Operator  string
	Value     any
}

type TypeWhereSubHandler 

type TypeWhereSubHandler struct {
	LogicalOp string
	Column    string
	Operator  string
	Sub       WhereSubHandler
}

type TypeWhereSubQuery 

type TypeWhereSubQuery struct {
	LogicalOp string
	Column    string
	Operator  string
	SubQuery  IBuilder
}

type UnionClause 

type UnionClause struct {
	Unions []UnionItem
}

func (*UnionClause) Union 

func (u *UnionClause) Union(b ...IBuilder) *UnionClause

func (*UnionClause) UnionAll 

func (u *UnionClause) UnionAll(b ...IBuilder) *UnionClause

type UnionItem 

type UnionItem struct {
	IBuilder
	IsUnionAll bool
}

type WhereClause 

type WhereClause struct {
	Conditions []any
	Not        bool
	Err        error
}

WhereClause 存储所有WHERE条件 ///////////////////start

func (*WhereClause) OrWhere 

func (w *WhereClause) OrWhere(column any, args ...any) IWhere

OrWhere clause

func (*WhereClause) OrWhereBetween 

func (w *WhereClause) OrWhereBetween(column string, values any) IWhere

func (*WhereClause) OrWhereBuilder 

func (w *WhereClause) OrWhereBuilder(column string, operation string, sub IBuilder) IWhere

func (*WhereClause) OrWhereIn 

func (w *WhereClause) OrWhereIn(column string, values any) IWhere

func (*WhereClause) OrWhereLike 

func (w *WhereClause) OrWhereLike(column string, value string) IWhere

func (*WhereClause) OrWhereNested 

func (w *WhereClause) OrWhereNested(handler WhereNestedHandler) IWhere

func (*WhereClause) OrWhereNot 

func (w *WhereClause) OrWhereNot(column any, args ...any) IWhere

func (*WhereClause) OrWhereNotBetween 

func (w *WhereClause) OrWhereNotBetween(column string, values any) IWhere

func (*WhereClause) OrWhereNotIn 

func (w *WhereClause) OrWhereNotIn(column string, values any) IWhere

func (*WhereClause) OrWhereNotLike 

func (w *WhereClause) OrWhereNotLike(column string, value string) IWhere

func (*WhereClause) OrWhereNotNull 

func (w *WhereClause) OrWhereNotNull(column string) IWhere

func (*WhereClause) OrWhereNull 

func (w *WhereClause) OrWhereNull(column string) IWhere

func (*WhereClause) OrWhereRaw 

func (w *WhereClause) OrWhereRaw(sqlSeg string, bindingsAndBoolean ...any) IWhere

OrWhereRaw clause

func (*WhereClause) OrWhereSub 

func (w *WhereClause) OrWhereSub(column string, operation string, sub WhereSubHandler) IWhere

func (*WhereClause) Where 

func (w *WhereClause) Where(column any, args ...any) IWhere

Where Add a basic where clause to the query. 

where($column, $operator = null, $value = null, $boolean = 'and')

Parameters: 

array|Closure|Expression|string $column
mixed $operator
mixed $value
string $boolean

Returns: 

iface.WhereClause

Examples: 

Where("id=1")
Where("id=?",1)
Where("id",1)
Where("id","=",1)
Where("id","=",1,"AND")
Where("id","=",(select id from table limit 1))
Where("id","in",(select id from table), "AND")
Where(func(wh iface.WhereClause){wh.Where().OrWhere().WhereRaw()...})
Where(["id=1"])
Where(["id","=",1])
Where(["id",1])
Where([ ["id",1],["name","=","John"],["age",">",3] ])

func (*WhereClause) WhereBetween 

func (w *WhereClause) WhereBetween(column string, values any) IWhere

WhereBetween 在指定列的值位于给定范围内时添加一个"where"条件。

relation: and/or column: 列名。 values: 区间范围数组。 not: 是否取反，默认为 false。

func (*WhereClause) WhereBuilder 

func (w *WhereClause) WhereBuilder(column string, operation string, build IBuilder) IWhere

func (*WhereClause) WhereExists 

func (w *WhereClause) WhereExists(clause IBuilder) IWhere

WhereExists 使用WHERE EXISTS子查询条件。

clause: Database 语句,或者实现了 IBuilder.ToSql() 接口的对象

func (*WhereClause) WhereIn 

func (w *WhereClause) WhereIn(column string, values any) IWhere

WhereIn 在指定列的值存在于给定的集合内时添加一个"where"条件。

relation: and/or column: 要检查的列名。 values: 集合值。 not: 是否取反，默认为 false。

func (*WhereClause) WhereLike 

func (w *WhereClause) WhereLike(column string, value string) IWhere

WhereLike 在指定列进行模糊匹配时添加一个"where"条件。

relation: and/or column: 要进行模糊匹配的列名。 value: 包含通配符（%）的匹配字符串。

func (*WhereClause) WhereNested 

func (w *WhereClause) WhereNested(handler WhereNestedHandler) IWhere

func (*WhereClause) WhereNot 

func (w *WhereClause) WhereNot(column any, args ...any) IWhere

func (*WhereClause) WhereNotBetween 

func (w *WhereClause) WhereNotBetween(column string, values any) IWhere

func (*WhereClause) WhereNotExists 

func (w *WhereClause) WhereNotExists(clause IBuilder) IWhere

func (*WhereClause) WhereNotIn 

func (w *WhereClause) WhereNotIn(column string, values any) IWhere

func (*WhereClause) WhereNotLike 

func (w *WhereClause) WhereNotLike(column string, value string) IWhere

func (*WhereClause) WhereNotNull 

func (w *WhereClause) WhereNotNull(column string) IWhere

func (*WhereClause) WhereNull 

func (w *WhereClause) WhereNull(column string) IWhere

WhereNull 指定列的值为 NULL 时添加一个"where"条件。

relation: and/or column: 列名。

func (*WhereClause) WhereRaw 

func (w *WhereClause) WhereRaw(raw string, bindingsAndBoolean ...any) IWhere

WhereRaw Add a raw where clause to the query. 

whereRaw($sql, $bindings = [], $boolean = 'and')

Parameters: 

string $sql
mixed $bindings
string $boolean

Returns: 

SubQuery

Laravel api

func (*WhereClause) WhereSub 

func (w *WhereClause) WhereSub(column string, operation string, sub WhereSubHandler) IWhere

type WhereNestedHandler 

type WhereNestedHandler func(where IWhere)

type WhereSubHandler 

type WhereSubHandler func(tx *Context)

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