94 lines
2.6 KiB
Go
94 lines
2.6 KiB
Go
package sqlbuilder
|
|
|
|
type expressionTable interface {
|
|
readableTable
|
|
|
|
RefIntColumnName(name string) *IntegerColumn
|
|
RefIntColumn(column column) *IntegerColumn
|
|
RefStringColumn(column column) *StringColumn
|
|
}
|
|
|
|
type expressionTableImpl struct {
|
|
statement expression
|
|
columns []column
|
|
alias string
|
|
}
|
|
|
|
// Returns the tableName's name in the database
|
|
func (t *expressionTableImpl) SchemaName() string {
|
|
return ""
|
|
}
|
|
|
|
func (s *expressionTableImpl) TableName() string {
|
|
return s.alias
|
|
}
|
|
|
|
func (s *expressionTableImpl) Columns() []column {
|
|
return s.columns
|
|
}
|
|
|
|
func (s *expressionTableImpl) RefIntColumnName(name string) *IntegerColumn {
|
|
intColumn := NewIntegerColumn(name, NotNullable)
|
|
intColumn.setTableName(s.alias)
|
|
|
|
return intColumn
|
|
}
|
|
|
|
func (s *expressionTableImpl) RefIntColumn(column column) *IntegerColumn {
|
|
intColumn := NewIntegerColumn(column.TableName()+"."+column.Name(), NotNullable)
|
|
intColumn.setTableName(s.alias)
|
|
|
|
return intColumn
|
|
}
|
|
|
|
func (s *expressionTableImpl) RefStringColumn(column column) *StringColumn {
|
|
strColumn := NewStringColumn(column.Name(), NotNullable)
|
|
strColumn.setTableName(column.TableName())
|
|
return strColumn
|
|
}
|
|
|
|
func (s *expressionTableImpl) serializeSql(out *queryData) error {
|
|
out.WriteString("( ")
|
|
err := s.statement.serialize(out)
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
out.WriteString(" ) AS ")
|
|
out.WriteString(s.alias)
|
|
|
|
return nil
|
|
}
|
|
|
|
// Generates a select query on the current tableName.
|
|
func (s *expressionTableImpl) SELECT(projections ...projection) selectStatement {
|
|
return newSelectStatement(s, projections)
|
|
}
|
|
|
|
// Creates a inner join tableName expression using onCondition.
|
|
func (s *expressionTableImpl) INNER_JOIN(table readableTable, onCondition boolExpression) readableTable {
|
|
return InnerJoinOn(s, table, onCondition)
|
|
}
|
|
|
|
//func (s *expressionTableImpl) InnerJoinUsing(table readableTable, col1 column, col2 column) readableTable {
|
|
// return INNER_JOIN(s, table, col1.Eq(col2))
|
|
//}
|
|
|
|
// Creates a left join tableName expression using onCondition.
|
|
func (s *expressionTableImpl) LEFT_JOIN(table readableTable, onCondition boolExpression) readableTable {
|
|
return LeftJoinOn(s, table, onCondition)
|
|
}
|
|
|
|
// Creates a right join tableName expression using onCondition.
|
|
func (s *expressionTableImpl) RIGHT_JOIN(table readableTable, onCondition boolExpression) readableTable {
|
|
return RightJoinOn(s, table, onCondition)
|
|
}
|
|
|
|
func (s *expressionTableImpl) FULL_JOIN(table readableTable, onCondition boolExpression) readableTable {
|
|
return FullJoin(s, table, onCondition)
|
|
}
|
|
|
|
func (s *expressionTableImpl) CROSS_JOIN(table readableTable) readableTable {
|
|
return CrossJoin(s, table)
|
|
}
|