class_docstr: Delete Table Statement constructed after parsing the input query
  
  Attributes:
      TableRef: table reference in the delete table statement
      _where_clause : predicate of the select query, represented as a expression tree.
code: def __init__(
      self,
      table_ref: TableRef,
      where_clause: AbstractExpression = None,
  ):
      super().__init__(StatementType.DELETE)
      self._table_ref = table_ref
      self._where_clause = where_clause
  
file_path: evadb/evadb/parser/delete_statement.py
imports: from evadb.expression.abstract_expression import AbstractExpression
  from evadb.parser.statement import AbstractStatement
  from evadb.parser.table_ref import TableRef
  from evadb.parser.types import StatementType
label_desc: Use image node_id 1 to create a new DeleteTableStatement object from inherited base classes: AbstractStatement with example: obj = DeleteTableStatement(table_ref, where_clause)