Function nodeWhere

server/ast/where.go:26–47

nodeWhere handles *tree.Where nodes.

(ctx *Context, node *tree.Where)

// nodeWhere handles *tree.Where nodes.
func nodeWhere(ctx *Context, node *tree.Where) (*vitess.Where, error) {
	if node == nil {
		return nil, nil
	}
	expr, err := nodeExpr(ctx, node.Expr)
	if err != nil {
		return nil, err
	}
	var whereType string
	switch node.Type {
	case tree.AstWhere:
		whereType = vitess.WhereStr
	case tree.AstHaving:
		whereType = vitess.HavingStr
	default:
		return nil, errors.Errorf("WHERE-type statement not yet supported: `%s`", node.Type)
	}
	return &vitess.Where{
		Type: whereType,
		Expr: expr,
	}, nil
}