diff options
Diffstat (limited to 'core/vm/sqlvm/ast')
| -rw-r--r-- | core/vm/sqlvm/ast/ast.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/core/vm/sqlvm/ast/ast.go b/core/vm/sqlvm/ast/ast.go index 0a82ac76c..d5ebb35af 100644 --- a/core/vm/sqlvm/ast/ast.go +++ b/core/vm/sqlvm/ast/ast.go @@ -105,10 +105,18 @@ func (n *TaggedExprNodeBase) SetType(t DataType) { n.Type = t } +// IdentifierDescriptor defines the interface of a descriptor. A descriptor +// identifies an object in a SQL statement. This interface is intended to be +// used by IdentifierNode to store the target after the name is resolved. +type IdentifierDescriptor interface { + GetDescriptor() uint32 +} + // IdentifierNode references table, column, or function. type IdentifierNode struct { TaggedExprNodeBase Name []byte + Desc IdentifierDescriptor } var _ ExprNode = (*IdentifierNode)(nil) |