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Usually involves adding a column, but may involve adding a table instead (for M2M fields). T)rNrurwrvr{r namespacez%s.rbrrxry deferrablerzrrdropchangesr),rr@r#r*r$r%rrrGrrrKrrsql_create_column_inline_fkr/rrrrr_fk_constraint_namerrrqdeferrable_sqlrrRrirsql_create_columnrWrrr_alter_column_default_sqlsql_alter_columnrrrr r_field_indexes_sqlconnection_persists_old_columnsclose)rNr/rrr_rrconstraint_suffixrxryr_r\ changes_sqlr&s&&& r add_field"BaseDatabaseSchemaEditor.add_fields    %"4"4"<"<"B"B"O"O"O$$U%7%7%?%?@ @!__U4_P   #22doo2N N? N Ao./ /J''4??'C W   # 9 9I EE EJ    ((>>>### @ /// --3399BB!..44::DD&&11& 0 0D0DE cD$D$DD44UCTU>G ::Rdooell; 9!; $//"5"5"D"D"F"D$>$>u$L H %   !!((''6GH$$ T__U[[%9%9: dooell3 *(   S..D)$$&&..u55&&u-9"&"@"@tU#A# K'')=)=>;+C LL %    ((:::OO,,EEE"6*J LL//*.>.>    !8!8!FG ?? # # C C C OO ! ! # Dr"c *VP'dVVPPPP'd&VP VPP4#VP VPR7R,fR#VP'dHVPWP.RR7pVF#pVPVPW44K% VPRVPVPP4RVPVP4/,pVPV4VPPP 'dVPP#4\%VP&4Fnp\)V\*4'gKVP-VPPVP4'gKSVP&P/V4Kp R#)zm Remove a field from a model. Usually involves deleting a column, but for M2Ms may involve deleting a table. rurNT foreign_keyrr)rr@r#r*r$r)rrGrjrrW_delete_fk_sqlsql_delete_columnrrrrKrrr+rRrr r^r-)rNr/rfk_namesfk_namer\s&&& r remove_field%BaseDatabaseSchemaEditor.remove_fieldQs    %"4"4"<"<"B"B"O"O"O$$U%7%7%?%?@ @   $//  :6 B J     --ell^QU-VH# T00@A$$$ T__U[[%9%9: dooell3(   S ?? # # C C C OO ! ! #))*C#y))c.C.C $$ell//!!((- +r"c  DVPW#4'gR#VPVPR7pVR,pVPVPR7pVR,pRp VfVPeVf#VPf\ RV: RV: R24hVfVfVPP 'dVPP 'dsVPP P P'dCVPP P P'dVPWW44#VfVfVPP 'dVPP 'dcVPP P P'g3VPP P P'gR#VeVf\ RV: RV: R24hVPVP8wg.VP'dVPVP8wdR p MVP'dtVPVP4p VPVP4p W8gp VPPp V 'gWh8wdV P'gR p V 'd\ R V R 24hVPVVVVVVVV4R# \dR p L@i;i) z Allow a field's type, uniqueness, nullability, default, column, constraints, etc. to be modified. `old_field` is required to compute the necessary changes. If `strict` is True, raise errors if the old column does not match `old_field` precisely. 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LL55eG H  ! !":9"P Q!/ GW#MM774??7SM$V,H)--k:M ' ; ;t ; W  1 5 5k B &*&A&A%%  ! ' #Hm LL%%T__W-B-B-H-H-Q-QRx{    - V S&) --!/4 OO $ $ : : :&&&9#9#9#9AXAXAX''' LL##E6VW  (399***LL++C,=,=syy%P) < 'L"55 $$y'7'7&86O LL&&u}W?UV  ""&"@"@)$#A# K'')=)=>;+C LLf % ?? # # C C C OO ! ! # DI %v M&%s<|*|/:|4c `VPPP'dVP'dR#VP VPR7pVP 'd VP M VPpVRVPVP4RVR,/,.3#)z Hook to specialize column null alteration. Return a (sql, params) fragment to set a column to null or non-null as required by new_field, or None if no changes are required. Nrurr) rGrKrrrrsql_alter_column_nullsql_alter_column_not_nullrrr)rNr/r7r=rr\s&&&& r r/BaseDatabaseSchemaEditor._alter_column_null_sqlKs OO $ $ F F F/// %33t3OM>>>**33  dooi.>.>?M&1   r"c VPV4pVPV4pV.pV'd.pM9VPPP'dVP V4p.pVP VPR7pV'd-VP'dVPp MVPp M VPp V RVPVP4RVR,RV/,V3#)z Hook to specialize column default alteration. Return a (sql, params) fragment to add or drop (depending on the drop argument) a default to new_field's column. rurrr) rrrGrKrrrr sql_alter_column_no_default_nullsql_alter_column_no_defaultsql_alter_column_defaultrrr) rNr/r7r=rrrr_rr\s &&&&& r r2BaseDatabaseSchemaEditor._alter_column_default_sqlhs,,Y7 **95 F __ % % ? ? ?**;7GF!//4??/K ~~~;;66//C $//)*:*:; f-7    r"c V'dVPpRp.pMVPpVPV4wrgVPVPR7pVRVP VP 4RVR,RV/,V3#)z Hook to specialize column database default alteration. Return a (sql, params) fragment to add or drop (depending on the drop argument) a default to new_field's column. rbrurrr)rr rrrGrrr) rNr/r7r=rr\rr_rs &&&&& r r;BaseDatabaseSchemaEditor._alter_column_database_default_sqls 22CKF//C"&"5"5i"@ K!//4??/K $//)*:*:; f-;    r"c  V.pVPWeVPP4;p'dRV 2pMRpRp VPPP 'dVP 'gVPVP8wd9VPWWCP4wrV 'dVPW34VP'dVPVP4p VPRVPVP4RVRVRV /,.3V3#)a\ Hook to specialize column type alteration for different backends, for cases when a creation type is different to an alteration type (e.g. SERIAL in PostgreSQL, PostGIS fields). Return a 2-tuple of: an SQL fragment of (sql, params) to insert into an ALTER TABLE statement and a list of extra (sql, params) tuples to run once the field is altered. rwrbrrrr)rr*rrGrKrrrr rirsql_alter_column_typerrr) rNr/r7r=rrrr collate_sql comment_sqlr\r_s &&&&&&& r r/BaseDatabaseSchemaEditor._alter_column_type_sqls& ++ %++*>*>  ; k]+KK ?? # # 5 5 5i>T>T>T##y';';;#<<h0D0D !((#7###"// 0D0DE **dooi.>.>?H{     r"c VPRVPVPP4RVPVP4RVP V4/,.3#)rrr)sql_alter_column_commentrrr*rrr)rNr/r=rnew_db_comments&&&&&r r 2BaseDatabaseSchemaEditor._alter_column_comment_sqls`  ) ))=)=>$//)*:*:;4,,^<    r"c8TPT;'gR4#rbr)rNrs&&r r%BaseDatabaseSchemaEditor._comment_sqls 2..r"c VPPPPVPPPP8wdxVP VPPVPPPPVPPPP4VP VPPVPPPP VP44VPPPP VP444VP VPPVPPPP VP44VPPPP VP444R#)z*Alter M2Ms to repoint their to= endpoints.N) r@r#r*rrrrm2m_reverse_field_namem2m_field_name)rNr/r7r=rs&&&&&r r,BaseDatabaseSchemaEditor._alter_many_to_manys  " " * * 0 0 9 9%%--33<< =   &&..&&..44==&&..44==    " " * *  " " * * 0 0 : :002   " " * * 0 0 : :002     " " * *  " " * * 0 0 : :9;S;S;U V  " " * * 0 0 : :9;S;S;U V  r"rbc :\V4wrA\V.VO5R^/: V: 2pVPPP 4;'g^pV: RRP V4: RV: 2p\ V4V8:dV#\ V4V^, 8d VRV^,pV\ V4, ^,^, pVRV: RRP V4RV: RV: 2pV^,R8XgV^,P4'd RVRR,pV#)z Generate a unique name for an index/unique constraint. The name is divided into 3 parts: the table name, the column names, and a unique digest and suffix. lengthrNzD%s)rr rGrqmax_name_lengthrrmisdigit) rN table_name column_namesrUrhash_suffix_part max_lengthr other_lengths &&&& r r+BaseDatabaseSchemaEditor._create_index_names)4   =l =1 =  __((88:AAc #-sxx /EGWX z?j (   :> 1/0A*/B "S)9%::q@1D } % HH\ "=L 1   a=C :a=#8#8#:#:CR0Jr"cVf\V4^8Xd.V^,P'dV^,PpMY\P'd\PpM2VPP'dVPPpVe-RVP P PV4,#R#)Nrwrb)rmrrDEFAULT_INDEX_TABLESPACEr*rGrqr)rNr/rrs&&&&r _get_index_tablespace_sql2BaseDatabaseSchemaEditor._get_index_tablespace_sql's  6{aF1I$;$;$; &q 7 7 222 ( A A *** % 9 9  $,,;;MJJ Jr"c(V'd RV,#R#)z WHERE rbr)rN conditions&&r _index_condition_sql-BaseDatabaseSchemaEditor._index_condition_sql3s y( (r"cV'd'VPPP'gR#\R\ VP P W P4R7#)rbz INCLUDE (%(columns)s))r)rGrKsupports_covering_indexesr rr*rrr)rNr/rs&&&r _index_include_sql+BaseDatabaseSchemaEditor._index_include_sql8sEdoo66PPP $EKK00'??K  r"rrrUusingr col_suffixesr\ opclassesr-include expressionsc  PaaT;'g.pT ;'g.p \VRR7PSPR7p SPWVR7pVUu.uFqPNK ppT;'g SP pVP PpVV3Rlp\T\VSP4\VVVV4TV'dSPVVWy4M\VWSP4VSPV 4SP!W4R7#uupi)z Return the SQL statement to create the index for one or several fields or expressions. `sql` can be specified if the syntax differs from the standard (GIS indexes, ...). F alias_colsru)rcR<SfSP!V/VBoSPS4#r3)rrr)argskwargsrrNs*,r create_index_nameEBaseDatabaseSchemaEditor._create_index_sql..create_index_nameas,|..????4( (r")rrr4rr`r-r7)rrrGr*rsql_create_indexr*rr r rrr _index_columnsrrlr.r2)rNr/rrrUr4rr5r\r6r-r7r8rrrrrArr?sf&$d$$$$$$$$$ r rW*BaseDatabaseSchemaEditor._create_index_sql@s*2!''R 51>>? 77 8 .44VE<& __W-33 __V, ))*C#y))c.B.B//!!((- + r"c\VP\VPPVP 4VP V4VP V4R7#))rold_namenew_name)r sql_rename_indexr r*rrr)rNr/rIrJs&&&&r r=*BaseDatabaseSchemaEditor._rename_index_sqlsH  ! ! ,,doo>__X.__X.   r"cvVPpVPPV4# \dR#i;ir)r@ on_delete on_delete_sqlAttributeError)rNr/rr@s&&& r r.BaseDatabaseSchemaEditor._create_on_delete_sqls;))  ))77= =  s ) 88c2\WVPVR7#))r5)rrr)rNrrr5r6s&&&&&r rB'BaseDatabaseSchemaEditor._index_columnssut\RRr"c VPP'd9VPP'gVPP'd.#.pVPPF#pVP VP W44K% VPPF]pVP'd)VPPP'gK=VPVPW44K_ V#)zb Return a list of all index SQL statements (field indexes, Meta.indexes) for the specified model. )r*managedproxyswappedrrrrgr1rGrKr2rir)rNr/outputrr4s&& r r!+BaseDatabaseSchemaEditor._model_indexes_sqls {{"""ekk&7&7&75;;;N;N;NI[[--E MM$11%? @.[[((E...??++GGG e..u;< )  r"c |.pVPW4'd#VPVPW.R74V#)zD Return a list of all index SQL statements for the specified field. r)_field_should_be_indexedrirW)rNr/rrXs&&& r r+BaseDatabaseSchemaEditor._field_indexes_sqls;  ( ( 6 6 MM$00w0G H r"cxVP'g9VP'g'VP'gVP'gR#T;'g \4pVP4wrErgVP4wrHrVP VP 4Fp VP V R4K VP VP 4Fp V P V R4K VP'gVP'dVP'd|VPPPPVPPPP8Xd%VP RR4V P RR4VPR4'd_V PR4'dHVPV4VPV48Xd#VP R4V P R4VP'dNVP'd<VPVP4VPVP48wdR#VP'd0VP'dVPVP8wdR#WVV3WV 38g#)FNtorT)concreterr deconstructunion non_db_attrsr}r@r/r*rrrrrrr) rNr7r=rrold_pathold_args old_kwargsnew_pathnew_args new_kwargsattrs &&&& r r1BaseDatabaseSchemaEditor._field_should_be_altereds ###y'='='=###y'='='=35,5,A,A,C)X,5,A,A,C)XLL!7!78D NN4 &9LL!7!78D NN4 &9&&&&&&&&&&&,,22;;%%++11::; NN4 & NN4 & NN< ( (|,,##I.$2E2Ei2PP NN< ( NN< (    """!1!12dooiFVFV6WW  " " "&&&)..0J/H 3SSSr"cLVP;'dVP'*#r3)rrrNr/rs&&&r r[1BaseDatabaseSchemaEditor._field_should_be_indexeds~~22ell"22r"cLVP'*;'d VP#r3rrNr7r=s&&&r r2BaseDatabaseSchemaEditor._field_became_primary_keys(((BBY-B-BBr"cVP'*;'d:VP;'d&VP'*;'g VP#r3)rrrps&&&r r0BaseDatabaseSchemaEditor._unique_should_be_addedsN%% % @ @   @ @%%%>>)>)> r"c VPRVPV4RVPVP4RVPVP4RV/,#)r old_column new_columnr)sql_rename_columnrrr)rNrr7r=rs&&&&&r r*BaseDatabaseSchemaEditor._rename_field_sqlsU%% T__U+ $//)*:*:; $//)*:*:; H )   r"c \VPPVP4pVP WV4p\ VPPVP .VP4p\VPPPPVP4p\ VPPPPVPP .VP4pVPPP4p \VPVVVVVV VPW4R7#))rrrrxryrrz)r r*rrrrrr target_fieldr/rGrqrr sql_create_fkr) rNr/rrUrrrrxryrs &&&& r r'BaseDatabaseSchemaEditor._create_fk_sqlsekk**DOO<''f=-- ~tO++1177@@$//R    $ $ * * 3 3    & & ' OO __((779    !33EA  r"caV3Rlp\VPPVP.\ VP P PP4^,VP P.VV4#)cF<SPSP!V/VB4#r3rrrr=r>rNs*,r create_fk_nameDBaseDatabaseSchemaEditor._fk_constraint_name..create_fk_names"??4#:#:D#KF#KL Lr")r r*rrrrzr/)rNr/rrUrsf&&& r r,BaseDatabaseSchemaEditor._fk_constraint_namesk M KK \\N U//55;;DD Ea H    & & '     r"c:VPVPW4#r3)ro sql_delete_fkrNr/rs&&&r r'BaseDatabaseSchemaEditor._delete_fk_sql**4+=+=uKKr"cnVfR#V\P8XdR#V\P8XdR#R#)Nrbz DEFERRABLE INITIALLY DEFERREDz DEFERRABLE INITIALLY IMMEDIATE)rDEFERRED IMMEDIATE)rNrs&&r _deferrable_constraint_sql3BaseDatabaseSchemaEditor._deferrable_constraint_sql"s2   ,, ,3 -- -4 .r"c&VRJdR#VRJdR#R#)Fz NULLS NOT DISTINCTTz NULLS DISTINCTrbr)rNnulls_distincts&&r _unique_index_nulls_distinct_sql9BaseDatabaseSchemaEditor._unique_index_nulls_distinct_sql*s U "( t #$r"cV'*;'g)VPPP;'dV'*;'g)VPPP;'dV'*;'g)VPPP;'ddV'*;'g)VPPP ;'d-VRJ;'g!VPPP #r3)rGrKsupports_partial_indexes&supports_deferrable_unique_constraintsr1r2*supports_nulls_distinct_unique_constraints)rNr-rr7r8rs&&&&&&r _unique_supported*BaseDatabaseSchemaEditor._unique_supported1s] O Odoo66OO  SS??++RR   RR 8 8 R R   WW4??#;#;#W#W  $&WW??++VV r"c VPVVVVV R7'gR#V'gV'gV'g V'gV e?VPVVVVVVVV R7p V 'dVPPV 4R#VPRRP VU u.uFqP V P4NK up 4RVPV4/,p VPRVP V4RV /,#uup i)r-rr7r8rN)rr-r7r6r8rrrrrr~) rrrRrisql_unique_constraintrrrrrsql_constraint) rNr/rrr-rr7r6r8rr\rr~s &&&&&&&&&& r _unique_sql$BaseDatabaseSchemaEditor._unique_sqlIs%%!#) &   )))##'-* C!!((-// tyyV!TVE//%,,"?V!TU $99*E3  "" DOOD) *&   "Us#D c VPVVVVV R7'gR#\VRR7PVPR7p VPP p VU u.uFqP NK p p VfVPWRR7pMVPV4pV'gV'gV'g V'dVPpM VPpV 'dVPWR VR7p M\WWP4p \V\WP4VV VP!V4VP#V4VP%W4VP'V 4R7#uup i) rNFr:ruTrb)r5r6)rrrr-rr7rr)rrrrGr*rrrlrrsql_create_unique_indexsql_create_uniquerBrrlr r r.rr2r)rNr/rrr-rr7r6r8rrrrrr\s&&&&&&&&&& r r+BaseDatabaseSchemaEditor._create_unique_sql}sS%%!#) &  51>>?  $$-34VE<.create_unique_names"t'>'>'O'OPPr"_uniq)rr )rNrrrcrsf&&& r rl0BaseDatabaseSchemaEditor._unique_constraint_names*  Q"&!8!8 2DEEr"c VPVVVVVR7'gR#V'gV'gV'g V'dVPp M VPp VPWV4#)rN)rrVrLro) rNr/rr-rr7r6r8rr\s &&&&&&&&& r r+BaseDatabaseSchemaEditor._delete_unique_sqlsb%%!#) &   9 ''C((C**3t<&   r"cVPPP'gR#VPVPW4#r3)rGrKrrosql_delete_checkrs&&&r r*BaseDatabaseSchemaEditor._delete_check_sqls4''HHH**4+@+@%NNr"c\V\VPPVP4VP V4R7#)rE)r r r*rrr)rNtemplater/rs&&&&r ro/BaseDatabaseSchemaEditor._delete_constraint_sqls6  ,,doo>&  r"c  HVeVU u.uFp VPPP'dQVPPP \ WPP P444M$VPPP V 4NK pp VPPp VP'dVPPW4p VPP4;_uu_4p VPPPW4p RRR4.pX P4FwrVeW/R,8XgKVeVR,V8wdK,VeVR,V8wdK@VeVR,V8wdKTVeVR,V8wdKhVeVR,'gK}VeVR,V8wdKV 'd W9gKVP!V 4K V#uup i +'giL;i) z@Return all constraint names matching the columns and conditions.Nrrrr4rvrr)rGrKtruncates_names introspectionidentifier_converterrrqr r*rrHrJrrmget_constraintsitemsri)rNr/r#rrr4rrvrrarr"rmrresultinfodicts&&&&&&&&&& r rj*BaseDatabaseSchemaEditor._constraint_namess  #) )D//???OO11FF%dOO,?,?,O,O,QR66KKDQ R )  [[))    5599*QJ __ # # % %//77GGK&)//1ND#| 7J'J%(8*<*F*x /F+/U$'):e)C$'):e)C*8M3J3J$&)9U)B$"5MM$'2  E & %s*H A9H &H H! c`aSPRRPV3RlV44/,#)rrc3F<"TFpSPV4xK R#5ir3rr)r5rrNs& r r8>BaseDatabaseSchemaEditor._pk_constraint_sql..$s OwV!8!8wr)sql_pk_constraintr)rNrsf&r r+BaseDatabaseSchemaEditor._pk_constraint_sql"s/%% tyy Ow OO)   r"cVPVRR7pV'dA\V4^8wd1\R\V4: RVPP: 24hVF#pVP VP W44K% R#)Trordz) of PK constraints for N)rjrmrnr*rrW_delete_primary_key_sql)rNr/rrtrs&&& r r,BaseDatabaseSchemaEditor._delete_primary_key'su11%T1J c*+q0()KK((  0O LL55eM N 0r"c l\VP\VPPVP 4VP VP VPPVP.RR74\VPPVP.VP 4R7#)_pkr)rrr) r sql_create_pkr r*rrrrrrrls&&&r r0BaseDatabaseSchemaEditor._create_primary_key_sql4s    ,,doo>''KK((5<<.( EKK005<<.$//R  r"c:VPVPW4#r3)ro sql_delete_pkrs&&&r r0BaseDatabaseSchemaEditor._delete_primary_key_sql@rr"cFV'dRVPV4,#R#)zCOLLATE rbr)rNrrr"s&&&&r r%BaseDatabaseSchemaEditor._collate_sqlCs:CzDOOI66KKr"cVPRVPV4RRPV4/,pVPV4R#) procedure param_types,N)sql_delete_procedurerrrrW)rNprocedure_namerr\s&&& r remove_procedure)BaseDatabaseSchemaEditor.remove_procedureFsA'' 8 388K0+   Sr")rrMrHrIrJrGrR)FTr)r)Frr3)NNNNN)NNNNNN)NNNNNNN)T)NNNNNNNNr)}__name__ __module__ __qualname____firstlineno____doc__rr|rr*rrrrrr rrrrwrrrsql_delete_constraintrrrrrrLr{rrrrArrKrVrrrrrrOrTrXrWrrrrrrrrrrrr staticmethodrrrlr%r)r5r9r@rDrGrQrZrKrrrrrrrrrrrrr rrrr*r.r2rWrr=rrBr!rrr[rrrrrrrrrrrrlrrrrrorjrrrrrr__static_attributes____classdictcell__) __classdict__s@r rErEQsLAJV5T:PC FP"H'B$FN QA.L9N3X, ?. P "&)M 9  BI, R*M9IVUA,>4bLA6F 6 )&;S2W$!>F.* A4-+ A*V*4SlH6  W$r.@Z x q$f :$ L 8, \  / B@   4  4  4  4 4 4 4  4 4 4 4 4 l$ S&/Tb3C   ,  L5 02 h1 f F=2  O  0d O  LLr"rE)&loggingr,r itertoolsr django.confrdjango.core.exceptionsr!django.db.backends.ddl_referencesrrr r r r django.db.backends.utilsr rrdjango.db.modelsrr!django.db.models.fields.compositerdjango.db.models.sqlrdjango.db.transactionrr django.utilsr getLoggerrer!r0r?rErr"r rse -SR.A&D!   6 7&  .zzr"