Add support for modifying expressions in IntSequenceTable

nicktobey · nicktobey · commit acf761aab08c · 2025-11-13T20:55:19.000-08:00
diff --git a/memory/sequence_table.go b/memory/sequence_table.go
@@ -113,11 +113,16 @@ func (IntSequenceTable) Collation() sql.CollationID {
 }
 
 func (s IntSequenceTable) Expressions() []sql.Expression {
-	return []sql.Expression{}
+	return []sql.Expression{s.Len}
 }
 
 func (s IntSequenceTable) WithExpressions(e ...sql.Expression) (sql.Node, error) {
-	return s, nil
+	if len(e) != 1 {
+		return nil, sql.ErrInvalidChildrenNumber.New(s, len(e), 1)
+	}
+	newSequenceTable := s
+	newSequenceTable.Len = e[0]
+	return newSequenceTable, nil
 }
 
 func (s IntSequenceTable) Database() sql.Database {

Original file line number	Diff line number	Diff line change
`@@ -113,11 +113,16 @@ func (IntSequenceTable) Collation() sql.CollationID {`
`113`	`113`	`}`
`114`	`114`
`115`	`115`	`func (s IntSequenceTable) Expressions() []sql.Expression {`
`116`		`- return []sql.Expression{}`
	`116`	`+ return []sql.Expression{s.Len}`
`117`	`117`	`}`
`118`	`118`
`119`	`119`	`func (s IntSequenceTable) WithExpressions(e ...sql.Expression) (sql.Node, error) {`
`120`		`- return s, nil`
	`120`	`+ if len(e) != 1 {`
	`121`	`+ return nil, sql.ErrInvalidChildrenNumber.New(s, len(e), 1)`
	`122`	`+ }`
	`123`	`+ newSequenceTable := s`
	`124`	`+ newSequenceTable.Len = e[0]`
	`125`	`+ return newSequenceTable, nil`
`121`	`126`	`}`
`122`	`127`
`123`	`128`	`func (s IntSequenceTable) Database() sql.Database {`