`?iidZddlmZddlmZmZmZddlmZgdZ GddeZ Gdd eZ Gd d eZ Gd d eZ y)zR Query subclasses which provide extra functionality beyond simple data retrieval. ) FieldError)GET_ITERATOR_CHUNK_SIZE NO_RESULTS ROW_COUNT)Query) DeleteQuery UpdateQuery InsertQueryAggregateQueryc eZdZdZdZdZdZy)rzA DELETE SQL query.SQLDeleteCompilerc||j|i|_||_|j|jtSN) alias_mapwhere get_compiler execute_sqlr)selftablerusings q/home/cursorai/projects/django-cronjob-utils/venv/lib/python3.12/site-packages/django/db/models/sql/subqueries.pydo_queryzDeleteQuery.do_querys:!67   '33I>>c`d}|jj}tdt|tD]t}|j |j |jd|||tz||j|jj|j|z }v|S)z Set up and execute delete queries for all the objects in pk_list. More than one physical query may be executed if there are a lot of values in pk_list. r__in)r) get_metapkrangelenr clear_where add_filterattnamerdb_tabler)rpk_listr num_deletedfieldoffsets r delete_batchzDeleteQuery.delete_batchs  ""As7|-DEF     OO==/&*A!AB  4== (($**E) K FrN)__name__ __module__ __qualname____doc__compilerrr(rrrrs"H? rrcTeZdZdZdZfdZdZfdZdZdZ dZ d Z d Z xZ S) r zAn UPDATE SQL query.SQLUpdateCompilercDt||i||jyr)super__init__ _setup_query)rargskwargs __class__s rr3zUpdateQuery.__init__6s! $)&) rc.g|_d|_i|_y)z Run on initialization and at the end of chaining. Any attributes that would normally be set in __init__() should go here instead. N)values related_idsrelated_updates)rs rr4zUpdateQuery._setup_query:s  !rcbt|}|jj|_|Sr)r2cloner;copy)robjr7s rr=zUpdateQuery.cloneCs*gmo"22779 rc|j|tdt|tD]R}|j |j d|||tz|j |jtTy)Nrpk__in) add_update_valuesrrrr r!rrr)rr$r9rr's r update_batchzUpdateQuery.update_batchHsn v&As7|-DEF     OO'&64K+KL    e $ 0 0 < Frcg}|jD]\}}|jj|}|jjj }|j dk(r!|jjr td|jstd|z||jj ur|j||||j|||f|j|S)z Convert a dictionary of field name to value mappings into an update query. This is the entry point for the public update() method on querysets. rz:Composite primary key fields must be updated individually.zBCannot update model field %r (only concrete fields are permitted).) itemsr get_fieldmodel_metaconcrete_modelnameis_composite_pkrconcreteadd_related_updateappendadd_update_fields)rr9 values_seqrJvalr&rGs rrBzUpdateQuery.add_update_valuesQs  ID#MMO--d3EKK%%44EzzT!ekk&A&A P>> XDMMO:::''uc:   ueS1 2( %%j11rc|D]Q\}}}|jrt|dr|j|dd}|jj |||fSy)z Append a sequence of (field, model, value) triples to the internal list that will be used to generate the UPDATE query. Might be more usefully called add_update_targets() to hint at the extra information here. resolve_expressionFT) allow_joinsfor_saveN) generatedhasattrrSr9rN)rrPr&rGrQs rrOzUpdateQuery.add_update_fieldsjs\ ", E5#s01,,Tut,T KK  uc2 3",rc`|jj|gj|d|fy)z Add (name, value) to an update query for an ancestor model. Update are coalesced so that only one update query per ancestor is run. N)r; setdefaultrN)rrGr&values rrMzUpdateQuery.add_related_updatezs, ''r2995$:NOrc|jsgSg}|jjD]S\}}t|}||_|j|j d|j||j |U|S)z Return a list of query objects: one for each update required to an ancestor model. Each query will have the same filtering conditions as the current query but will only update a single table. rA)r;rEr r9r:r!rN)rresultrGr9querys rget_related_updateszUpdateQuery.get_related_updatess ##I!11779ME6&E!EL+  4+;+;E+BC MM% :  r)r)r*r+r,r-r3r4r=rCrBrOrMr^ __classcell__r7s@rr r 1s4"H" =224 Prr c4eZdZdZddddfd ZddZxZS)r SQLInsertCompilerN) on_conflict update_fields unique_fieldsczt||i|g|_g|_||_|xsg|_|xsg|_yr)r2r3fieldsobjsrcrdre)rrcrdrer5r6r7s rr3zInsertQuery.__init__sG $)&)  &*0b*0brc.||_||_||_yr)rgrhraw)rrgrhrjs r insert_valueszInsertQuery.insert_valuess  r)F)r)r*r+r-r3rkr_r`s@rr r s"H"&T1rr c&eZdZdZdZfdZxZS)r zu Take another query as a parameter to the FROM clause and only select the elements in the provided list. SQLAggregateCompilerc2||_t| |yr) inner_queryr2r3)rrGror7s rr3zAggregateQuery.__init__s& r)r)r*r+r,r-r3r_r`s@rr r s &H  rr N)r,django.core.exceptionsrdjango.db.models.sql.constantsrrrdjango.db.models.sql.queryr__all__rr r r r.rrrtsW . - I%@`%`F%&  U  r