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Column reference from sub queries.

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This commit is contained in:
go-jet 2019-06-08 16:34:15 +02:00
parent e727fc3d4f
commit e772768180
13 changed files with 507 additions and 470 deletions
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37
sqlbuilder/expression_table.go
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@ -2,12 +2,10 @@ package sqlbuilder
import "errors"
type expressionTable interface {
type ExpressionTable interface {
ReadableTable
RefIntColumnName(name string) *IntegerColumn
RefIntColumn(column Column) *IntegerColumn
RefStringColumn(column Column) *StringColumn
Alias() string
}
type expressionTableImpl struct {
@ -16,7 +14,7 @@ type expressionTableImpl struct {
alias string
}
func newExpressionTable(expression Expression, alias string) expressionTable {
func newExpressionTable(expression Expression, alias string) ExpressionTable {
expTable := &expressionTableImpl{expression: expression, alias: alias}
expTable.readableTableInterfaceImpl.parent = expTable
@ -24,40 +22,15 @@ func newExpressionTable(expression Expression, alias string) expressionTable {
return expTable
}
// Returns the tableName's name in the database
func (e *expressionTableImpl) SchemaName() string {
return ""
}
func (e *expressionTableImpl) TableName() string {
func (e *expressionTableImpl) Alias() string {
return e.alias
}
func (e *expressionTableImpl) RefIntColumnName(name string) *IntegerColumn {
intColumn := NewIntegerColumn(name, false)
intColumn.setTableName(e.alias)
return intColumn
}
func (e *expressionTableImpl) RefIntColumn(column Column) *IntegerColumn {
intColumn := NewIntegerColumn(column.TableName()+"."+column.Name(), false)
intColumn.setTableName(e.alias)
return intColumn
}
func (e *expressionTableImpl) RefStringColumn(column Column) *StringColumn {
strColumn := NewStringColumn(column.TableName()+"."+column.Name(), false)
strColumn.setTableName(e.alias)
return strColumn
}
func (e *expressionTableImpl) serialize(statement statementType, out *queryData, options ...serializeOption) error {
if e == nil {
return errors.New("Expression table is nil. ")
}
//out.writeString("( ")
err := e.expression.serialize(statement, out)
if err != nil {