Method ListVariables

server/plpgsql/interpreter_stack.go:158–172

ListVariables returns a map with the names of all variables. The attached slice represents field names for records. All names are lowercased.

()

// ListVariables returns a map with the names of all variables. The attached slice represents field names for records.
// All names are lowercased.
func (is *InterpreterStack) ListVariables() map[string][]string {
	seen := make(map[string][]string)
	for i := 0; i < is.stack.Len(); i++ {
		for varName, iv := range is.stack.PeekDepth(i).variables {
			var fieldNames []string
			if len(iv.Record) > 0 {
				for _, col := range iv.Record {
					fieldNames = append(fieldNames, strings.ToLower(col.Name))
				}
			}
			seen[strings.ToLower(varName)] = fieldNames
		}
	}
	return seen
}

// NewRecord creates a new record in the current scope. If a record with the same name exists in a previous scope, then
// that record will be shadowed until the current scope exits.