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ENH: give a useful error message when <code>.query</code> is used on a dataframe with duplicate column names

Enhancement

expressionspd.eval, querypd.eval, query

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Non-Unique Columns/Rows

Status: Open.

#60863 In pandas-dev/pandas;

· Mo-Gul opened on Feb 6, 2025

BUG: pd.eval with engine="numexpr" fails with simple expressions with float literals

Bug

expressionspd.eval, querypd.eval, query

Status: Open.

#59736 In pandas-dev/pandas;

· fdrocha opened on Sep 6, 2024

ENH: Query function to have a star * for all columns

Enhancement

expressionspd.eval, querypd.eval, query

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Status: Open.

#59140 In pandas-dev/pandas;

· dstone42 opened on Jun 28, 2024

BUG: <code>DataFrame.eval</code> fails with TypeError with multiline expr but works when <code>eval</code> line by line

Bug

expressionspd.eval, querypd.eval, query

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Status: Open.

#59062 In pandas-dev/pandas;

· messense opened on Jun 21, 2024

BUG: FutureWarning about 'isin' where it is not used

Bug

expressionspd.eval, querypd.eval, query

WarningsWarnings that appear or should be added to pandasWarnings that appear or should be added to pandas

Status: Open.

#57028 In pandas-dev/pandas;

· workflowsguy opened on Jan 23, 2024

· 

2.3.4

ENH: Enhanced Parsing in eval Method for Special Characters

Enhancement

expressionspd.eval, querypd.eval, query

Status: Open.

#56491 In pandas-dev/pandas;

· Olobir opened on Dec 13, 2023

BUG: numexpr 2.85 changed integer overflow handling, failing a test

Bug

Compatpandas objects compatability with Numpy or Python functionspandas objects compatability with Numpy or Python functions

expressionspd.eval, querypd.eval, query

Status: Open.

#54546 In pandas-dev/pandas;

· rebecca-palmer opened on Aug 14, 2023

BUG: df.query error when using local variable substitution syntax with numexpr 2.8.5 (forbidden control characters)

Bug

Compatpandas objects compatability with Numpy or Python functionspandas objects compatability with Numpy or Python functions

DependenciesRequired and optional dependenciesRequired and optional dependencies

expressionspd.eval, querypd.eval, query

Status: Open.

#54449 In pandas-dev/pandas;

· JosephWagner opened on Aug 7, 2023

BUG: <code>.query()</code> and <code>isin()</code> fail on period type column

Bug

expressionspd.eval, querypd.eval, query

PeriodPeriod data typePeriod data type

Status: Open.

#54199 In pandas-dev/pandas;

· davidgilbertson opened on Jul 19, 2023

BUG: Datetime and Timestamp are not well supported by pd.eval

Bug

expressionspd.eval, querypd.eval, query

Status: Open.

#52559 In pandas-dev/pandas;

· semigodking opened on Apr 10, 2023

ENB: support f-strings in pd.eval

Enhancement

expressionspd.eval, querypd.eval, query

Status: Open.

#52310 In pandas-dev/pandas;

· dss010101 opened on Mar 30, 2023

BUG: Index with duplicate labels raises ValueError in Dataframe.query

Bug

expressionspd.eval, querypd.eval, query

Status: Open.

#51815 In pandas-dev/pandas;

· ZhaJiMan opened on Mar 7, 2023