init - add project files

tools/jet-2.12.0/postgres/delete_statement.go

@@ -0,0 +1,51 @@
+package postgres
+
+import "github.com/go-jet/jet/v2/internal/jet"
+
+// DeleteStatement is interface for PostgreSQL DELETE statement
+type DeleteStatement interface {
+	jet.SerializerStatement
+
+	USING(tables ...ReadableTable) DeleteStatement
+	WHERE(expression BoolExpression) DeleteStatement
+	RETURNING(projections ...jet.Projection) DeleteStatement
+}
+
+type deleteStatementImpl struct {
+	jet.SerializerStatement
+
+	Delete    jet.ClauseDelete
+	Using     jet.ClauseFrom
+	Where     jet.ClauseWhere
+	Returning jet.ClauseReturning
+}
+
+func newDeleteStatement(table WritableTable) DeleteStatement {
+	newDelete := &deleteStatementImpl{}
+	newDelete.SerializerStatement = jet.NewStatementImpl(Dialect, jet.DeleteStatementType, newDelete,
+		&newDelete.Delete,
+		&newDelete.Using,
+		&newDelete.Where,
+		&newDelete.Returning)
+
+	newDelete.Delete.Table = table
+	newDelete.Using.Name = "USING"
+	newDelete.Where.Mandatory = true
+
+	return newDelete
+}
+
+func (d *deleteStatementImpl) USING(tables ...ReadableTable) DeleteStatement {
+	d.Using.Tables = readableTablesToSerializerList(tables)
+	return d
+}
+
+func (d *deleteStatementImpl) WHERE(expression BoolExpression) DeleteStatement {
+	d.Where.Condition = expression
+	return d
+}
+
+func (d *deleteStatementImpl) RETURNING(projections ...jet.Projection) DeleteStatement {
+	d.Returning.ProjectionList = projections
+	return d
+}