statements

package
v0.0.0-...-4e1d4fc Latest Latest
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 Go to latest Published: Aug 22, 2021 License: BSD-3-Clause Imports: 17 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var (
	// ErrConditionType condition type unsupported
	ErrConditionType = errors.New("Unsupported condition type")
	// ErrUnSupportedSQLType parameter of SQL is not supported
	ErrUnSupportedSQLType = errors.New("Unsupported sql type")
	// ErrUnSupportedType unsupported error
	ErrUnSupportedType = errors.New("Unsupported type error")
	// ErrTableNotFound table not found error
	ErrTableNotFound = errors.New("Table not found")
)

Functions

func IsIDConditionWithNoTableErr 

func IsIDConditionWithNoTableErr(err error) bool

IsIDConditionWithNoTableErr return true if the err is ErrIDConditionWithNoTable

Types

type ErrIDConditionWithNoTable 

type ErrIDConditionWithNoTable struct {
	ID schemas.PK
}

ErrIDConditionWithNoTable represents an error there is no reference table with an ID condition

func (ErrIDConditionWithNoTable) Error 

func (err ErrIDConditionWithNoTable) Error() string

type ErrUnsupportedExprType 

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

func (ErrUnsupportedExprType) Error 

func (err ErrUnsupportedExprType) Error() string

type Statement 

type Statement struct {
	RefTable *schemas.Table

	Start  int
	LimitN *int

	OrderStr string
	JoinStr  string

	GroupByStr string
	HavingStr  string
	SelectStr  string

	AltTableName string

	RawSQL          string
	RawParams       []interface{}
	UseCascade      bool
	UseAutoJoin     bool
	StoreEngine     string
	Charset         string
	UseCache        bool
	UseAutoTime     bool
	NoAutoCondition bool
	IsDistinct      bool
	IsForUpdate     bool
	TableAlias      string

	CheckVersion bool

	ColumnMap        columnMap
	OmitColumnMap    columnMap
	OmitConditionMap columnMap
	MustColumnMap    map[string]bool
	NullableMap      map[string]bool
	IncrColumns      exprParams
	DecrColumns      exprParams
	ExprColumns      exprParams

	BufferSize int
	Context    contexts.ContextCache
	LastError  error
	// contains filtered or unexported fields
}

Statement save all the sql info for executing SQL

func NewStatement 

func NewStatement(dialect dialects.Dialect, tagParser *tags.Parser, defaultTimeZone *time.Location) *Statement

NewStatement creates a new statement

func (*Statement) Alias 

func (statement *Statement) Alias(alias string) *Statement

Alias set the table alias

func (*Statement) AllCols 

func (statement *Statement) AllCols() *Statement

AllCols update use only: update all columns

func (*Statement) And 

func (statement *Statement) And(query interface{}, args ...interface{}) *Statement

And add Where & and statement

func (*Statement) Asc 

func (statement *Statement) Asc(colNames ...string) *Statement

Asc provide asc order by query condition, the input parameters are columns.

func (*Statement) BuildConds 

func (statement *Statement) BuildConds(table *schemas.Table, bean interface{}, includeVersion bool, includeUpdated bool, includeNil bool, includeAutoIncr bool, addedTableName bool) (builder.Cond, error)

func (*Statement) BuildUpdates 

func (statement *Statement) BuildUpdates(tableValue reflect.Value,
	includeVersion, includeUpdated, includeNil,
	includeAutoIncr, update bool) ([]string, []interface{}, error)

BuildUpdates auto generating update columnes and values according a struct

func (*Statement) Cols 

func (statement *Statement) Cols(columns ...string) *Statement

Cols generate "col1, col2" statement

func (*Statement) ColumnStr 

func (statement *Statement) ColumnStr() string

func (*Statement) CondDeleted 

func (statement *Statement) CondDeleted(col *schemas.Column) builder.Cond

CondDeleted returns the conditions whether a record is soft deleted.

func (*Statement) Conds 

func (statement *Statement) Conds() builder.Cond

func (*Statement) ConvertIDSQL 

func (statement *Statement) ConvertIDSQL(sqlStr string) string

func (*Statement) ConvertSQLOrArgs 

func (statement *Statement) ConvertSQLOrArgs(sqlOrArgs ...interface{}) (string, []interface{}, error)

func (*Statement) ConvertUpdateSQL 

func (statement *Statement) ConvertUpdateSQL(sqlStr string) (string, string)

func (*Statement) Decr 

func (statement *Statement) Decr(column string, arg ...interface{}) *Statement

Decr Generate "Update ... Set column = column - arg" statement

func (*Statement) Desc 

func (statement *Statement) Desc(colNames ...string) *Statement

Desc generate `ORDER BY xx DESC`

func (*Statement) Distinct 

func (statement *Statement) Distinct(columns ...string) *Statement

Distinct generates "DISTINCT col1, col2 " statement

func (*Statement) ForUpdate 

func (statement *Statement) ForUpdate() *Statement

ForUpdate generates "SELECT ... FOR UPDATE" statement

func (*Statement) GenCondSQL 

func (statement *Statement) GenCondSQL(condOrBuilder interface{}) (string, []interface{}, error)

func (*Statement) GenConds 

func (statement *Statement) GenConds(bean interface{}) (string, []interface{}, error)

func (*Statement) GenCountSQL 

func (statement *Statement) GenCountSQL(beans ...interface{}) (string, []interface{}, error)

GenCountSQL generates the SQL for counting

func (*Statement) GenCreateTableSQL 

func (statement *Statement) GenCreateTableSQL() []string

func (*Statement) GenDelIndexSQL 

func (statement *Statement) GenDelIndexSQL() []string

func (*Statement) GenExistSQL 

func (statement *Statement) GenExistSQL(bean ...interface{}) (string, []interface{}, error)

func (*Statement) GenFindSQL 

func (statement *Statement) GenFindSQL(autoCond builder.Cond) (string, []interface{}, error)

func (*Statement) GenGetSQL 

func (statement *Statement) GenGetSQL(bean interface{}) (string, []interface{}, error)

func (*Statement) GenIndexSQL 

func (statement *Statement) GenIndexSQL() []string

func (*Statement) GenInsertMapSQL 

func (statement *Statement) GenInsertMapSQL(columns []string, args []interface{}) (string, []interface{}, error)

GenInsertMapSQL generates insert map SQL

func (*Statement) GenInsertSQL 

func (statement *Statement) GenInsertSQL(colNames []string, args []interface{}) (string, []interface{}, error)

GenInsertSQL generates insert beans SQL

func (*Statement) GenQuerySQL 

func (statement *Statement) GenQuerySQL(sqlOrArgs ...interface{}) (string, []interface{}, error)

func (*Statement) GenRawSQL 

func (statement *Statement) GenRawSQL() string

GenRawSQL generates correct raw sql

func (*Statement) GenSumSQL 

func (statement *Statement) GenSumSQL(bean interface{}, columns ...string) (string, []interface{}, error)

func (*Statement) GenUniqueSQL 

func (statement *Statement) GenUniqueSQL() []string

func (*Statement) GetUnscoped 

func (statement *Statement) GetUnscoped() bool

func (*Statement) GroupBy 

func (statement *Statement) GroupBy(keys string) *Statement

GroupBy generate "Group By keys" statement

func (*Statement) Having 

func (statement *Statement) Having(conditions string) *Statement

Having generate "Having conditions" statement

func (*Statement) ID 

func (statement *Statement) ID(id interface{}) *Statement

ID generate "where id = ? " statement or for composite key "where key1 = ? and key2 = ?"

func (*Statement) In 

func (statement *Statement) In(column string, args ...interface{}) *Statement

In generate "Where column IN (?) " statement

func (*Statement) Incr 

func (statement *Statement) Incr(column string, arg ...interface{}) *Statement

Incr Generate "Update ... Set column = column + arg" statement

func (*Statement) Join 

func (statement *Statement) Join(joinOP string, tablename interface{}, condition string, args ...interface{}) *Statement

Join The joinOP should be one of INNER, LEFT OUTER, CROSS etc - this will be prepended to JOIN

func (*Statement) Limit 

func (statement *Statement) Limit(limit int, start ...int) *Statement

Limit generate LIMIT start, limit statement

func (*Statement) MustCols 

func (statement *Statement) MustCols(columns ...string) *Statement

MustCols update use only: must update columns

func (*Statement) NotIn 

func (statement *Statement) NotIn(column string, args ...interface{}) *Statement

NotIn generate "Where column NOT IN (?) " statement

func (*Statement) Nullable 

func (statement *Statement) Nullable(columns ...string)

Nullable Update use only: update columns to null when value is nullable and zero-value

func (*Statement) Omit 

func (statement *Statement) Omit(columns ...string)

Omit do not use the columns

func (*Statement) OmitConditions 

func (statement *Statement) OmitConditions(columns ...string) *Statement

OmitConditions omit condition when generate SQL condition from beans

func (*Statement) Or 

func (statement *Statement) Or(query interface{}, args ...interface{}) *Statement

Or add Where & Or statement

func (*Statement) OrderBy 

func (statement *Statement) OrderBy(order string) *Statement

OrderBy generate "Order By order" statement

func (*Statement) ProcessIDParam 

func (statement *Statement) ProcessIDParam() error

ProcessIDParam handles the process of id condition

func (*Statement) ReplaceQuote 

func (statement *Statement) ReplaceQuote(sql string) string

func (*Statement) Reset 

func (statement *Statement) Reset()

Init reset all the statement's fields

func (*Statement) SQL 

func (statement *Statement) SQL(query interface{}, args ...interface{}) *Statement

SQL adds raw sql statement

func (*Statement) Select 

func (statement *Statement) Select(str string) *Statement

Select replace select

func (*Statement) SetContextCache 

func (statement *Statement) SetContextCache(ctxCache contexts.ContextCache)

func (*Statement) SetExpr 

func (statement *Statement) SetExpr(column string, expression interface{}) *Statement

SetExpr Generate "Update ... Set column = {expression}" statement

func (*Statement) SetNoAutoCondition 

func (statement *Statement) SetNoAutoCondition(no ...bool) *Statement

NoAutoCondition if you do not want convert bean's field as query condition, then use this function

func (*Statement) SetRefBean 

func (statement *Statement) SetRefBean(bean interface{}) error

func (*Statement) SetRefValue 

func (statement *Statement) SetRefValue(v reflect.Value) error

func (*Statement) SetTable 

func (statement *Statement) SetTable(tableNameOrBean interface{}) error

Table tempororily set table name, the parameter could be a string or a pointer of struct

func (*Statement) SetTableName 

func (statement *Statement) SetTableName(tableName string)

func (*Statement) SetUnscoped 

func (statement *Statement) SetUnscoped() *Statement

Unscoped always disable struct tag "deleted"

func (*Statement) TableName 

func (statement *Statement) TableName() string

TableName return current tableName

func (*Statement) Top 

func (statement *Statement) Top(limit int) *Statement

Top generate LIMIT limit statement

func (*Statement) UseBool 

func (statement *Statement) UseBool(columns ...string) *Statement

UseBool indicates that use bool fields as update contents and query contiditions

func (*Statement) Value2Interface 

func (statement *Statement) Value2Interface(col *schemas.Column, fieldValue reflect.Value) (interface{}, error)

Value2Interface convert a field value of a struct to interface for puting into database

func (*Statement) Where 

func (statement *Statement) Where(query interface{}, args ...interface{}) *Statement

Where add Where statement

func (*Statement) WriteArg 

func (statement *Statement) WriteArg(w *builder.BytesWriter, arg interface{}) error

func (*Statement) WriteArgs 

func (statement *Statement) WriteArgs(w *builder.BytesWriter, args []interface{}) error

Source Files

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