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Add implicit cross join support

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go-jet 2021-05-03 18:48:15 +02:00
parent 0cba1f6401
commit 4ef0113f6b
6 changed files with 55 additions and 15 deletions
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12
mysql/select_statement.go
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@ -41,7 +41,7 @@ type SelectStatement interface {
Expression
DISTINCT() SelectStatement
FROM(table ReadableTable) SelectStatement
FROM(tables ...ReadableTable) SelectStatement
WHERE(expression BoolExpression) SelectStatement
GROUP_BY(groupByClauses ...jet.GroupByClause) SelectStatement
HAVING(boolExpression BoolExpression) SelectStatement
@ -70,7 +70,9 @@ func newSelectStatement(table ReadableTable, projections []Projection) SelectSta
&newSelect.Limit, &newSelect.Offset, &newSelect.For, &newSelect.ShareLock)
newSelect.Select.ProjectionList = projections
newSelect.From.Table = table
if table != nil {
newSelect.From.Tables = []jet.Serializer{table}
}
newSelect.Limit.Count = -1
newSelect.Offset.Count = -1
newSelect.ShareLock.Name = "LOCK IN SHARE MODE"
@ -103,8 +105,10 @@ func (s *selectStatementImpl) DISTINCT() SelectStatement {
return s
}
func (s *selectStatementImpl) FROM(table ReadableTable) SelectStatement {
s.From.Table = table
func (s *selectStatementImpl) FROM(tables ...ReadableTable) SelectStatement {
for _, table := range tables {
s.From.Tables = append(s.From.Tables, table)
}
return s
}