snapshot of https://github.com/sqlc-dev/sqlc.git (main, 2026-09-16; blobs > 131072B omitted)

internal/sql/ast/join_expr.go

@@ -0,0 +1,59 @@
+package ast
+
+import "github.com/sqlc-dev/sqlc/internal/sql/format"
+
+type JoinExpr struct {
+	Tag NodeTag[JoinExpr] `json:"tag"`
+
+	Jointype    JoinType `json:"jointype"`
+	IsNatural   bool     `json:"is_natural"`
+	Larg        Node     `json:"larg,omitempty"`
+	Rarg        Node     `json:"rarg,omitempty"`
+	UsingClause *List    `json:"using_clause,omitempty"`
+	Quals       Node     `json:"quals,omitempty"`
+	Alias       *Alias   `json:"alias,omitempty"`
+	Rtindex     int      `json:"rtindex"`
+}
+
+func (n *JoinExpr) Pos() int {
+	return 0
+}
+
+func (n *JoinExpr) Format(buf *TrackedBuffer, d format.Dialect) {
+	if n == nil {
+		return
+	}
+	buf.astFormat(n.Larg, d)
+	if n.Jointype == JoinTypeComma {
+		buf.WriteString(",")
+		buf.beforeClause(n.Rarg, d)
+		buf.Line()
+	} else {
+		buf.beforeClause(n.Rarg, d)
+		buf.Line()
+		if n.IsNatural {
+			buf.WriteString("NATURAL ")
+		}
+		switch n.Jointype {
+		case JoinTypeLeft:
+			buf.WriteString("LEFT JOIN ")
+		case JoinTypeRight:
+			buf.WriteString("RIGHT JOIN ")
+		case JoinTypeFull:
+			buf.WriteString("FULL JOIN ")
+		case JoinTypeCross:
+			buf.WriteString("CROSS JOIN ")
+		default:
+			buf.WriteString("JOIN ")
+		}
+	}
+	buf.astFormat(n.Rarg, d)
+	if items(n.UsingClause) {
+		buf.WriteString(" USING (")
+		buf.join(n.UsingClause, d, ", ")
+		buf.WriteString(")")
+	} else if set(n.Quals) {
+		buf.WriteString(" ON ")
+		buf.condition(n.Quals, d)
+	}
+}