Method Resolve

pkg/sql/sem/tree/name_resolution.go:171–198

Resolve performs name resolution for a qualified star using a resolver.

(
	ctx context.Context, r ColumnItemResolver,
)

// Resolve performs name resolution for a qualified star using a resolver.
func (a *AllColumnsSelector) Resolve(
	ctx context.Context, r ColumnItemResolver,
) (srcName *TableName, srcMeta ColumnSourceMeta, err error) {
	prefix := a.TableName.ToTableName()

	// Is there a data source with this prefix?
	var res NumResolutionResults
	res, srcName, srcMeta, err = r.FindSourceMatchingName(ctx, prefix)
	if err != nil {
		return nil, nil, err
	}
	if res == NoResults && a.TableName.NumParts == 2 {
		// No, but name of form db.tbl.*?
		// Special rule for compatibility with CockroachDB v1.x:
		// search name db.public.tbl.* instead.
		prefix.ExplicitCatalog = true
		prefix.CatalogName = prefix.SchemaName
		prefix.SchemaName = PublicSchemaName
		res, srcName, srcMeta, err = r.FindSourceMatchingName(ctx, prefix)
		if err != nil {
			return nil, nil, err
		}
	}
	if res == NoResults {
		return nil, nil, newSourceNotFoundError("no data source matches pattern: %s", a)
	}
	return srcName, srcMeta, nil
}

// Resolve performs name resolution for a column item using a resolver.
func (c *ColumnItem) Resolve(