Documentation
¶
Overview ¶
Package condition provides a sql condition builder.
Index ¶
Constants ¶
View Source
const ( WHERE = iota + 1 HAVING LIMIT ORDER OFFSET GROUP JOIN )
Allowed conditions.
View Source
const ( LEFT = iota + 1 RIGHT INNER CROSS )
Allowed join types.
View Source
const PLACEHOLDER = "?"
PLACEHOLDER character.
Variables ¶
View Source
var ( ErrValue = "query: %s was called with no value(s)" ErrCrossJoin = errors.New("query: cross joins are not allowed to have a join condition") ErrJoinType = "query: join type %d is not allowed" ErrJoinTable = errors.New("query: join table is mandatory") ErrPlaceholderMismatch = "query: %v placeholder(%d) and arguments(%d) does not fit" )
Error messages.
Functions ¶
func ReplacePlaceholders ¶
func ReplacePlaceholders(stmt string, p Placeholder) string
ReplacePlaceholders will replace the query placeholder with any other placeholder.
Types ¶
type Clause ¶
type Clause interface {
Arguments() []interface{}
Condition() string
}
Clause interface.
type Condition ¶
type Condition interface {
SetWhere(condition string, args ...interface{}) Condition
Where() []Clause
SetJoin(joinType int, table string, condition string, args ...interface{}) Condition
Join() []Clause
SetHaving(condition string, args ...interface{}) Condition
Having() []Clause
SetLimit(limit int) Condition
Limit() int
SetOffset(offset int) Condition
Offset() int
SetGroup(group ...string) Condition
Group() []string
SetOrder(order ...string) Condition
Order() []string
Copy() Condition
Merge(Condition)
Reset(...int)
Error() error
Render(b Placeholder) (string, []interface{}, error)
}
Condition interface.
type Placeholder ¶
type Placeholder struct {
Numeric bool // must be true if the database uses something like $1,$2,...
Char string // database placeholder character
// contains filtered or unexported fields
}
Placeholder is used to ensure an unique placeholder for different database adapters.
Source Files
Click to show internal directories.
Click to hide internal directories.