/
delete_statement.go
49 lines (38 loc) · 1.29 KB
/
delete_statement.go
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package mysql
import "github.com/go-jet/jet/internal/jet"
// DeleteStatement is interface for MySQL DELETE statement
type DeleteStatement interface {
Statement
WHERE(expression BoolExpression) DeleteStatement
ORDER_BY(orderByClauses ...jet.OrderByClause) DeleteStatement
LIMIT(limit int64) DeleteStatement
}
type deleteStatementImpl struct {
jet.SerializerStatement
Delete jet.ClauseStatementBegin
Where jet.ClauseWhere
OrderBy jet.ClauseOrderBy
Limit jet.ClauseLimit
}
func newDeleteStatement(table Table) DeleteStatement {
newDelete := &deleteStatementImpl{}
newDelete.SerializerStatement = jet.NewStatementImpl(Dialect, jet.DeleteStatementType, newDelete, &newDelete.Delete,
&newDelete.Where, &newDelete.OrderBy, &newDelete.Limit)
newDelete.Delete.Name = "DELETE FROM"
newDelete.Delete.Tables = append(newDelete.Delete.Tables, table)
newDelete.Where.Mandatory = true
newDelete.Limit.Count = -1
return newDelete
}
func (d *deleteStatementImpl) WHERE(expression BoolExpression) DeleteStatement {
d.Where.Condition = expression
return d
}
func (d *deleteStatementImpl) ORDER_BY(orderByClauses ...jet.OrderByClause) DeleteStatement {
d.OrderBy.List = orderByClauses
return d
}
func (d *deleteStatementImpl) LIMIT(limit int64) DeleteStatement {
d.Limit.Count = limit
return d
}