prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  clear sanbox command doesnot remove tables in `_sandbox`
  
  
  </issue>
  <code>
  [start of dataedit/management/commands/clear_sandbox.py]
  1 from typing import List
  2 
  3 import sqlalchemy as sqla
  4 from django.core.management.base import BaseCommand
  5 
  6 from api.connection import _get_engine
  7 from dataedit.models import Table
  8 from oeplatform.securitysettings import PLAYGROUNDS
  9 
  10 SANDBOX_SCHEMA = "sandbox"
  11 assert SANDBOX_SCHEMA in PLAYGROUNDS, f"{SANDBOX_SCHEMA} not in playground schemas"
  12 
  13 
  14 def get_sandbox_tables_django() -> List[Table]:
  15     """
  16     Returns:
  17         List[Table]: list of table objects in django db in sandbox schema
  18     """
  19     return Table.objects.filter(schema__name=SANDBOX_SCHEMA).all()
  20 
  21 
  22 def get_sandbox_table_names_oedb() -> List[str]:
  23     """
  24     Returns:
  25         List[str]: list of table names in oedb in sandbox schema
  26     """
  27     engine = _get_engine()
  28     return sqla.inspect(engine).get_table_names(schema=SANDBOX_SCHEMA)
  29 
  30 
  31 def clear_sandbox(output: bool = False) -> None:
  32     """delete all tables from the sandbox schema.
  33 
  34     Maybe we should use the API (not just django objects)
  35     so all the other actions like deleting the meta tables
  36     are also performed properly
  37 
  38     For now, we delete tables in oedb and django individually
  39 
  40     !!! DANGER ZONE !!! MAKE SURE YOU KNOW WHAT YOU ARE DOING!
  41 
  42 
  43     Args:
  44         output: if True, print actions
  45 
  46     """
  47 
  48     # delete all from oedb
  49     engine = _get_engine()
  50     for table_name in get_sandbox_table_names_oedb():
  51         sql = f'DROP TABLE "{SANDBOX_SCHEMA}"."{table_name}" CASCADE;'
  52         if output:
  53             print(f"oedb: {sql}")
  54         engine.execute(sql)
  55 
  56     # delete all from django
  57     for table in get_sandbox_tables_django():
  58         if output:
  59             print(f"django: delete {table.schema.name}.{table.name}")
  60         table.delete()
  61 
  62 
  63 class Command(BaseCommand):
  64     def handle(self, *args, **options):
  65         # ask for confirmation
  66         answ = input(f"Delete all tables from {SANDBOX_SCHEMA} [y|n]: ")
  67         if not answ == "y":
  68             print("Abort")
  69             return
  70 
  71         clear_sandbox(output=True)
  72 
  73         print("Done")
  74
  [end of dataedit/management/commands/clear_sandbox.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/dataedit/management/commands/clear_sandbox.py b/dataedit/management/commands/clear_sandbox.py
  --- a/dataedit/management/commands/clear_sandbox.py
  +++ b/dataedit/management/commands/clear_sandbox.py
  @@ -28,6 +28,15 @@
       return sqla.inspect(engine).get_table_names(schema=SANDBOX_SCHEMA)
   
   
  +def get_sandbox_meta_table_names_oedb() -> List[str]:
  +    """
  +    Returns:
  +        List[str]: list of table names in oedb in sandbox meta schema
  +    """
  +    engine = _get_engine()
  +    return sqla.inspect(engine).get_table_names(schema="_" + SANDBOX_SCHEMA)
  +
  +
   def clear_sandbox(output: bool = False) -> None:
       """delete all tables from the sandbox schema.
   
  @@ -53,6 +62,12 @@
               print(f"oedb: {sql}")
           engine.execute(sql)
   
  +    for table_name in get_sandbox_meta_table_names_oedb():
  +        sql = f'DROP TABLE "_{SANDBOX_SCHEMA}"."{table_name}" CASCADE;'
  +        if output:
  +            print(f"oedb: {sql}")
  +        engine.execute(sql)
  +
       # delete all from django
       for table in get_sandbox_tables_django():
           if output:
  
verification_info: {"golden_diff": "diff --git a/dataedit/management/commands/clear_sandbox.py b/dataedit/management/commands/clear_sandbox.py\n--- a/dataedit/management/commands/clear_sandbox.py\n+++ b/dataedit/management/commands/clear_sandbox.py\n@@ -28,6 +28,15 @@\n     return sqla.inspect(engine).get_table_names(schema=SANDBOX_SCHEMA)\n \n \n+def get_sandbox_meta_table_names_oedb() -> List[str]:\n+    \"\"\"\n+    Returns:\n+        List[str]: list of table names in oedb in sandbox meta schema\n+    \"\"\"\n+    engine = _get_engine()\n+    return sqla.inspect(engine).get_table_names(schema=\"_\" + SANDBOX_SCHEMA)\n+\n+\n def clear_sandbox(output: bool = False) -> None:\n     \"\"\"delete all tables from the sandbox schema.\n \n@@ -53,6 +62,12 @@\n             print(f\"oedb: {sql}\")\n         engine.execute(sql)\n \n+    for table_name in get_sandbox_meta_table_names_oedb():\n+        sql = f'DROP TABLE \"_{SANDBOX_SCHEMA}\".\"{table_name}\" CASCADE;'\n+        if output:\n+            print(f\"oedb: {sql}\")\n+        engine.execute(sql)\n+\n     # delete all from django\n     for table in get_sandbox_tables_django():\n         if output:\n", "issue": "clear sanbox command doesnot remove tables in `_sandbox`\n\n", "before_files": [{"content": "from typing import List\n\nimport sqlalchemy as sqla\nfrom django.core.management.base import BaseCommand\n\nfrom api.connection import _get_engine\nfrom dataedit.models import Table\nfrom oeplatform.securitysettings import PLAYGROUNDS\n\nSANDBOX_SCHEMA = \"sandbox\"\nassert SANDBOX_SCHEMA in PLAYGROUNDS, f\"{SANDBOX_SCHEMA} not in playground schemas\"\n\n\ndef get_sandbox_tables_django() -> List[Table]:\n    \"\"\"\n    Returns:\n        List[Table]: list of table objects in django db in sandbox schema\n    \"\"\"\n    return Table.objects.filter(schema__name=SANDBOX_SCHEMA).all()\n\n\ndef get_sandbox_table_names_oedb() -> List[str]:\n    \"\"\"\n    Returns:\n        List[str]: list of table names in oedb in sandbox schema\n    \"\"\"\n    engine = _get_engine()\n    return sqla.inspect(engine).get_table_names(schema=SANDBOX_SCHEMA)\n\n\ndef clear_sandbox(output: bool = False) -> None:\n    \"\"\"delete all tables from the sandbox schema.\n\n    Maybe we should use the API (not just django objects)\n    so all the other actions like deleting the meta tables\n    are also performed properly\n\n    For now, we delete tables in oedb and django individually\n\n    !!! DANGER ZONE !!! MAKE SURE YOU KNOW WHAT YOU ARE DOING!\n\n\n    Args:\n        output: if True, print actions\n\n    \"\"\"\n\n    # delete all from oedb\n    engine = _get_engine()\n    for table_name in get_sandbox_table_names_oedb():\n        sql = f'DROP TABLE \"{SANDBOX_SCHEMA}\".\"{table_name}\" CASCADE;'\n        if output:\n            print(f\"oedb: {sql}\")\n        engine.execute(sql)\n\n    # delete all from django\n    for table in get_sandbox_tables_django():\n        if output:\n            print(f\"django: delete {table.schema.name}.{table.name}\")\n        table.delete()\n\n\nclass Command(BaseCommand):\n    def handle(self, *args, **options):\n        # ask for confirmation\n        answ = input(f\"Delete all tables from {SANDBOX_SCHEMA} [y|n]: \")\n        if not answ == \"y\":\n            print(\"Abort\")\n            return\n\n        clear_sandbox(output=True)\n\n        print(\"Done\")\n", "path": "dataedit/management/commands/clear_sandbox.py"}]}