![]() ![]() Primary key column values must be unique.A primary key can contain one column or multiple columns.A table is not mandatory to define a primary key, but can only define at most one primary key. The primary key is defined on the table.In PostgreSQL, primary keys need to follow these rules: execute ( statement, parameters ) InternalError: () cannot drop index users_user_email_id_key because constraint users_user_email_id_key on table users requires itIn a relational database, a primary key is a column or combination of columns that uniquely identifies each row in a table. _cause_ = replace_contextĢ09 # credit to 210 # 211 # as the _traceback_ object creates a cycle 212 del exception, replace_context, from_, with_tracebackįile ~/.local/lib/python3.8/site-packages/sqlalchemy/engine/base.py:1799, in Connection._execute_context (self, dialect, constructor, statement, parameters, execution_options, *args, **kw) 1797 break 1798 if not evt_handled:ġ804 self. raise_(exc_info, with_traceback =exc_info)įile ~/.local/lib/python3.8/site-packages/sqlalchemy/util/compat.py:207, in raise_ (***failed resolving arguments***) 204 exception. raise_ ( 2024 sqlalchemy_exception, with_traceback = exc_info, from_ = e 2025 ) 2026 else:Ģ027 util. raise_(newraise, with_traceback =exc_info, from_ =e) _handle_dbapi_exception ( 1843 e, statement, parameters, cursor, context 1844 ) 1846 return resultįile ~/.local/lib/python3.8/site-packages/sqlalchemy/engine/base.py:2023, in Connection._handle_dbapi_exception (self, e, statement, parameters, cursor, context) 2021 util. _init_compiled, 1481 compiled_sql, 1482 distilled_params, 1483 execution_options, 1484 compiled_sql, 1485 distilled_params, 1486 elem, 1487 extracted_params, 1488 cache_hit = cache_hit, 1489 ) 1490 if has_events:įile ~/.local/lib/python3.8/site-packages/sqlalchemy/engine/base.py:1842, in Connection._execute_context (self, dialect, constructor, statement, parameters, execution_options, *args, **kw) 1839 branched. _execute_context ( 1479 dialect, 1480 dialect. _compiled_cacheġ470 compiled_sql, extracted_params, cache_hit = elem. ObjectNotExecutableError( self)įile ~/.local/lib/python3.8/site-packages/sqlalchemy/engine/base.py:1478, in Connection._execute_clauseelement (self, elem, multiparams, params, execution_options) 1466 compiled_cache = execution_options. _execute_clauseelement ( 326 self, multiparams, params, execution_options 327 ) 328 else:ģ29 raise exc. > 1286 return meth ( self, multiparams, params, _EMPTY_EXECUTION_OPTS )įile ~/.local/lib/python3.8/site-packages/sqlalchemy/sql/elements.py:325, in ClauseElement._execute_on_connection (self, connection, multiparams, params, execution_options, _force) 321 def _execute_on_connection(ģ22 self, connection, multiparams, params, execution_options, _force = False 323 ):ģ24 if _force or self. ObjectNotExecutableError(statement), replace_context =err execute ( txt, user_namespace ) 368 _commit(conn =conn, config =config)įile ~/.local/lib/python3.8/site-packages/sqlalchemy/engine/base.py:1286, in Connection.execute (self, statement, *multiparams, **params) 1282 util. ![]() autopandas:įile ~/.local/lib/python3.8/site-packages/sql/run.py:367, in run (conn, sql, config, user_namespace) 365 else:ģ66 txt = sqlalchemy. Variable names given by column names 227 if self. (.) 224 # Instead of returning values, set variables directly in the 225 # users namespace. run ( conn, parsed, self, user_ns ) 219 if (Ģ20 result is not None 221 and not isinstance(result, str) > 2285 result = fn ( * args, * * kwargs ) 2286 return resultįile ~/.local/lib/python3.8/site-packages/sql/magic.py:217, in SqlMagic.execute (self, line, cell, local_ns) 214 return 216 try: run_line_magic ( ' sql ', ' DROP INDEX users_user_email_id_key ' )įile ~/.local/lib/python3.8/site-packages/IPython/core/interactiveshell.py:2285, in n_line_magic (self, magic_name, line, _stack_depth) 2283 kwargs = self. InternalError Traceback (most recent call last) ![]() The above exception was the direct cause of the following exception: HINT: You can drop constraint users_user_email_id_key on table users instead. ![]() execute ( statement, parameters ) DependentObjectsStillExist: cannot drop index users_user_email_id_key because constraint users_user_email_id_key on table users requires it _has_events:įile ~/.local/lib/python3.8/site-packages/sqlalchemy/engine/default.py:717, in DefaultDialect.do_execute (self, cursor, statement, parameters, context) 716 def do_execute( self, cursor, statement, parameters, context = None): do_execute ( 1800 cursor, statement, parameters, context 1801 ) 1803 if self. DependentObjectsStillExist Traceback (most recent call last)įile ~/.local/lib/python3.8/site-packages/sqlalchemy/engine/base.py:1799, in Connection._execute_context (self, dialect, constructor, statement, parameters, execution_options, *args, **kw) 1798 if not evt_handled: ![]()
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