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r( c óv t |« s|g}t |t j « r|j « }|S )zinplace conform rhs)r r9 ÚnpÚndarrayÚravel)r$ r` s r' Úconformz BinOp.conform¦ s/ äCÔ Ø%CÜ c2::Ô &Ø))+CØ
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BinOp.metaÀ r r( c ób t | j j | j « dd« S )zthe metadata of my fieldÚmetadataNr} rL s r' r zBinOp.metadataÅ s& ô t×*Ñ*¨4¯8©8Ó4°jÀ$ÓGÐGr( c óx |j | j « }d| j d| j d| dS )z2create and return the op string for this TermValueú(ú ú))ÚtostringrA r_ r\ )r$ ÚvÚvals r' ÚgeneratezBinOp.generateÊ s7 àjj Ó'Ø488*AdggY a¨ u¨AÐ.Ð.r( c óÀ fd}t j « }t j « }|dk( s|r|j d« rwt |t
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convert the expression that is in the term to something that is
|
accepted by pytables
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rV| j dv rGt |« | j kD r/| j « }| j |t |« f| _ | S y | j dv r/| j « }| j |t |« f| _ | S t d| d« )Núquery term is not valid [r½ ©ú==ú!=z7passing a filterable condition to a non-table indexer [)rw Ú
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Ø+3JÐ(Ó3Ø&*IÐ#Ó*õóò,ò ó ò*Fò0:ö9r( rï c ó^ t | t t f« st | « s t d« | S )a
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Validate that the where statement is of the right type.
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|
The type may either be String, Expr, or list-like of Exprs.
|
|
Parameters
|
----------
|
w : String term expression, Expr, or list-like of Exprs.
|
|
Returns
|
-------
|
where : The original where clause if the check was successful.
|
|
Raises
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------
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TypeError : An invalid data type was passed in for w (e.g. dict).
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zLwhere must be passed as a string, PyTablesExpr, or list-like of PyTablesExpr)r9 Ú PyTablesExprr: r r° )Úws r' Ú_validate_wherer& ù s2 ô$ q<¬Ð-Ô .´,¸q´/Üð +ó
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ð
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Zd Zy)r$ a½
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Hold a pytables-like expression, comprised of possibly multiple 'terms'.
|
|
Parameters
|
----------
|
where : string term expression, PyTablesExpr, or list-like of PyTablesExprs
|
queryables : a "kinds" map (dict of column name -> kind), or None if column
|
is non-indexable
|
encoding : an encoding that will encode the query terms
|
|
Returns
|
-------
|
a PyTablesExpr object
|
|
Examples
|
--------
|
'index>=date'
|
"columns=['A', 'D']"
|
'columns=A'
|
'columns==A'
|
"~(columns=['A','B'])"
|
'index>df.index[3] & string="bar"'
|
'(index>df.index[3] & index<=df.index[6]) | string="bar"'
|
"ts>=Timestamp('2012-02-01')"
|
"major_axis>=20130101"
|
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