Function nodeTableName

server/ast/table_name.go:26–51

nodeTableName handles *tree.TableName nodes.

(ctx *Context, node *tree.TableName)

// nodeTableName handles *tree.TableName nodes.
func nodeTableName(ctx *Context, node *tree.TableName) (vitess.TableName, error) {
	if node == nil {
		return vitess.TableName{}, nil
	}
	var dbName, schemaName vitess.TableIdent
	if node.ExplicitCatalog {
		dbName = vitess.NewTableIdent(string(node.CatalogName))
	}
	if node.ExplicitSchema {
		schemaName = vitess.NewTableIdent(string(node.SchemaName))
	}
	// for the information_schema schema, we treat it as a database name to make queries against it work with the engine
	// TODO: this is a hack, we need to handle information_schema differently for doltgres, and as a true schema in each db
	if strings.EqualFold(schemaName.String(), "information_schema") {
		return vitess.TableName{
			Name:        vitess.NewTableIdent(string(node.ObjectName)),
			DbQualifier: schemaName,
		}, nil
	} else {
		return vitess.TableName{
			Name:            vitess.NewTableIdent(string(node.ObjectName)),
			DbQualifier:     dbName,
			SchemaQualifier: schemaName,
		}, nil
	}
}