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Add support for expression in OFFSET clause.

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go-jet 2024-02-13 14:01:13 +01:00
parent dab153a739
commit 255f4a8eaf
9 changed files with 113 additions and 23 deletions
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8
postgres/select_statement.go
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@ -53,6 +53,8 @@ type SelectStatement interface {
ORDER_BY(orderByClauses ...OrderByClause) SelectStatement
LIMIT(limit int64) SelectStatement
OFFSET(offset int64) SelectStatement
// OFFSET_e can be used when an integer expression is needed as offset, otherwise OFFSET can be used
OFFSET_e(offset IntegerExpression) SelectStatement
FETCH_FIRST(count IntegerExpression) fetchExpand
FOR(lock RowLock) SelectStatement
@ -91,7 +93,6 @@ func newSelectStatement(table ReadableTable, projections []Projection) SelectSta
newSelect.From.Tables = []jet.Serializer{table}
}
newSelect.Limit.Count = -1
newSelect.Offset.Count = -1
newSelect.setOperatorsImpl.parent = newSelect
@ -157,6 +158,11 @@ func (s *selectStatementImpl) LIMIT(limit int64) SelectStatement {
}
func (s *selectStatementImpl) OFFSET(offset int64) SelectStatement {
s.Offset.Count = Int(offset)
return s
}
func (s *selectStatementImpl) OFFSET_e(offset IntegerExpression) SelectStatement {
s.Offset.Count = offset
return s
}