ó ÃÌ4]c@swdZddlZddlmZddlmZddlmZddlmZejd d ƒZejd ƒZ ejd ƒZ ejd ƒZ d„Z d„Z eedd„Zd„Zd„Zd„Zd„Zd„Zedd„Zedd„Zdejfd„ƒYZd„Zd„Zd„Zd„Zd„Zd„Z d „Z!d!„Z"d"„Z#d#„Z$dS($siFunctions used by compiler.py to determine the parameters rendered within INSERT and UPDATE statements. iÿÿÿÿNi(tdml(telementsi(texc(tutiltREQUIREDs1 Placeholder for the value within a :class:`.BindParameter` which is required to be present when the statement is passed to :meth:`.Connection.execute`. 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If the column has a Python-side default, we will create a bound parameter for it and "pre-execute" the Python function. If the column has a SQL expression default, or is a sequence, we will add it directly into the INSERT statement and add a RETURNING element to get the new value. If the column has a server side default or is marked as the "autoincrement" column, we will add a RETRUNING element to get at the value. If all the above tests fail, that indicates a primary key column with no noted default generation capabilities that has no parameter passed; raise an exception. N(RSR&t is_sequencetdialecttsupports_sequencestoptionaltsequences_optionalRFRTR$tis_clause_elementtargRtt"_create_insert_prefetch_bind_paramR(RfRjRkRl(RRR R<Rtproc((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyRg¦s"     %! cCs2t||dd|d|ƒ}|jj|ƒ|S(NRFRG(R*R&R"RT(RR RFRGtparam((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyR|ÏscCs2t||dd|d|ƒ}|jj|ƒ|S(NRFRG(R*R&R#RT(RR RFRGR~((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyt"_create_update_prefetch_bind_paramÕst_multiparam_columncBs eZeZd„Zd„ZRS(cCsH||_d|j|df|_||_|j|_|j|_dS(Ns%s_m%di(tindexRtoriginalRSRA(tselfR‚R((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyt__init__Þs    cCs1t|tƒo0|j|jko0|j|jkS(N(RqR€RR‚(Rƒtother((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyt__eq__ås(t__name__t __module__Rt_is_multiparam_columnR„R†(((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyR€Ûs cCs†|jstjd|ƒ‚nc|jjrG|j|jjjƒ|St||ƒ}t|t j ƒrut ||ƒSt ||ƒSdS(NsINSERT value for column %s is explicitly rendered as a boundparameter in the VALUES clause; a Python-side value or SQL expression is required( RSRR7RzRFR{RtR€RqRtInsertR|R(RRR RRRD((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyt _process_multiparam_default_bindís    cCsª|jdk r(|jj sR|jjsR||jjkrq|jjsR|jjrq|j|t ||ƒfƒn5|jdkr¦|j dkr¦|j r¦t |ƒndS(s±Create a bound parameter in the INSERT statement to receive a 'prefetched' default value. The 'prefetched' value indicates that we are to invoke a Python-side default function or expliclt SQL expression before the INSERT statement proceeds, so that we have a primary key value available. if the column has no noted default generation capabilities, it has no value passed in either; raise an exception. N( RSR&RuRvRwR(Rft"preexecute_autoincrement_sequencesRTR|RjRkRl(RRR R<R((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyRhÿs    (cCsB|jjr¡|jjr>|jj s2|jj r>|j|j|}|j||fƒ|r||kr|jj|ƒqž|j sž|j j|ƒqžq>n|jj r"|j|jj j ƒ|}|j||fƒ|r||kr|jj|ƒq>|j s>|j j|ƒq>n|j|t||ƒfƒdS(N(RSRuRvRwRxRyRFRTR$ReR!RzR{RtR|(RRR R]R<RR}((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyRi$s"     cCs´|jjrZ|jjr°|jj s2|jj r°|j}|j||jƒfƒq°nV|jjrŽ|jj j ƒ}|j||fƒn"|j|t ||dt ƒfƒdS(NRF( RSRuRvRwRxRyRTt next_valueRzR{RtR|R (RRR R<RR}((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyRV?s    cCs)|jdk rª|jj rª|jjr‹|j||j|jjjƒ|fƒ|rx||krx|jj|ƒq§|j j|ƒq%|j|t ||ƒfƒn{|j dk rñ|rÞ||krÞ|jj|ƒq%|j j|ƒn4|r%|j t k r%||kr%|jj|ƒndS(N(tonupdateR&RuRzRTRFR{RtR$R!Rtserver_onupdatet_return_defaultsR(RRR R]R<R((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyRmPs  % c Csètd„|jƒDƒƒ}tƒ} xÒ|jD]Ç} x¾| jD]³} | |kr?| j| ƒ| ||| ƒ<|| } tj| ƒr´t|| | d| t kd|| ƒƒ} n(|j j | ƒ|j | j ƒ|} |j | | fƒq?q?Wq/Wxç| D]ß} xÖ| jD]Ë} | |kr)qq| jdk rº| jj rº| jjr|j | |j | jjj ƒ|fƒ|j j | ƒqÜ|j | t|| d|| ƒƒfƒq| jdk r|j j | ƒqqWqWdS(Ncss*|] \}}tj|ƒ|fVqdS(N(Rt_clause_element_as_expr(RR R~((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pys xsRRG(R-titemsR4R/R taddRRpR*RR!RTRFRtRŽR&RuRzR{RR( RRRR=R;R:R<Rtnormalized_paramstaffected_tablesttR RE((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyR0lsJ         c Cs'|}|g}xt|jdƒD]ü\}}g}xÚ|D]Ò\}} ||ksc|j|krã||kru|n|j} tj|| ƒrÄt|||| dd|j|df|} qû|j|| jƒ|} nt|||||ƒ} |j || fƒq<W|j |ƒq#W|S(NiRGs%s_m%d( t enumerateR'RRRpR*RFRtR‹RT( RRR<Rtvalues_0titrowt extensionRDR~Rt new_param((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyR9¬s(    c Cs°x©|jƒD]›\}}||ƒ}|dk rD|j||ƒq tj|ƒr}|jtjd|d|jƒ|}n|j|jƒ|}|j ||fƒq WdS(NR?( R’R&t setdefaultRRpRFR@RARtRT( RR'RRR<RRtvtcolkey((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyR.Ìs  $cCsñ|jo$|j o$|j o$|j }|oB|jjoB|jj}|jr`|oZ|j}n3|jr|jjo‡|jjo‡|j}nt }|rÏ|jt kr½t |jj ƒ}qÏt |jƒ}n|oÞ|jj }||||fS(N(Rtinlinet _returningR+RvR\R(RR R RR4R R^(RRR[R\R]R^((sF/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/sql/crud.pyROás.           cCsXd|jj|j|jjf}t|jjƒdkrG|d7}ntj|ƒdS(NsColumn '%s.%s' is marked as a member of the primary key for table '%s', but has no Python-side or server-side default generator indicated, nor does it indicate 'autoincrement=True' or 'nullable=True', and no explicit value is passed. 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