Method DropTable

backend/store/model/database.go:548–574

DropTable drops a table from the schema. Returns an error if the table does not exist.

(tableName string)

// DropTable drops a table from the schema.
// Returns an error if the table does not exist.
func (s *SchemaMetadata) DropTable(tableName string) error {
	// Check if table exists
	if s.GetTable(tableName) == nil {
		return errors.Errorf("table %q does not exist in schema %q", tableName, s.proto.Name)
	}

	// Remove from internal map
	tableID := normalizeNameByCaseSensitivity(tableName, s.isObjectCaseSensitive)
	delete(s.internalTables, tableID)

	// Remove from proto's table list
	newTables := make([]*storepb.TableMetadata, 0, len(s.proto.Tables)-1)
	for _, table := range s.proto.Tables {
		if s.isObjectCaseSensitive {
			if table.Name != tableName {
				newTables = append(newTables, table)
			}
		} else {
			if !strings.EqualFold(table.Name, tableName) {
				newTables = append(newTables, table)
			}
		}
	}
	s.proto.Tables = newTables

	return nil
}

// RenameTable renames a table in the schema.
// Returns an error if the old table doesn't exist or new table already exists.