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trilio-internal
trilio-internal / idna python
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Version:
2.5 ▾
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ó
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and DELETE statements on behalf of a :class:`.Mapper` and its descending
mappers.
The functions here are called only by the unit of work functions
in unitofwork.py.
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| | | | | | qã Wt | | t d | D d | D d S( s; Issue ``INSERT`` and/or ``UPDATE`` statements for a list
of objects.
This is called within the context of a UOWTransaction during a
flush operation, given a list of states to be flushed. The
base mapper in an inheritance hierarchy handles the inserts/
updates for all descendant mappers.
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c s¤ t | } t t | | | } xy | j j D]h \ } | j k rU q4 n f d | D } t | | | | } t | | | | | q4 Wd S( s\ Issue UPDATE statements on behalf of a relationship() which
specifies post_update.
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flush operation.
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UPDATE.
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each, calling before_insert/before_update, obtaining
key information for each state including its dictionary,
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and the identity flag.
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including its dictionary, mapper, the connection to use for
the execution per state.
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c c s x t | | | D]l \ } } } } | j j | | | | j d k re | j | | | j } n d } | | | | | f Vq Wd S( sô Make an initial pass across a set of states for DELETE.
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key information for each state including its dictionary,
mapper, the connection to use for the execution per state.
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t } } | j t k r«| j d k r«| j | j | k r«| j d | | j j <n | | | | | | | | f Vq Wd S( sS Identify sets of values to use in INSERT statements for a
list of states.
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| | | | f Vq q Wd S( st Identify sets of values to use in UPDATE statements for a
list of states.
This function works intricately with the history system
to determine exactly what values should be updated
as well as how the row should be matched within an UPDATE
statement. Includes some tricky scenarios where the primary
key of an object might have been changed.
c 3 s& | ] } | j | f Vq d S( N( R- ( R R ( R R ( sO /home/tvault/.virtenv/lib/python2.7/site-packages/sqlalchemy/orm/persistence.pys <genexpr>À s c 3 s+ | ]! } | j j | f Vq d S( N( t _labelt get( R R ( R R ( sO /home/tvault/.virtenv/lib/python2.7/site-packages/sqlalchemy/orm/persistence.pys <genexpr>û s t pk_cascadedi sC Can't update table %s using NULL for primary key value on column %sN(( RQ R~ R# RC R R R R) R< R R R t managert implt is_equalR- R R t _server_onupdate_default_colsR
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s` Emit UPDATE statements corresponding to value lists collected
by _collect_update_commands().c s t j } x@ j D]1 } | j j | t j | j d | j k q W r | j j j t j j j d j j k n j | } | S( Nt type_(
R t and_RQ t clausesRP t bindparamR t typeRx RY ( t clauseR t stmt( R t needs_version_idR5 ( sO /home/tvault/.virtenv/lib/python2.7/site-packages/sqlalchemy/orm/persistence.pyt update_stmti s RY c S s, | d t | d t | d | d f S( Ni i i i ( RC Rl ( t rec( ( sO /home/tvault/.virtenv/lib/python2.7/site-packages/sqlalchemy/orm/persistence.pyt <lambda>~ s
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d | qrWq. Wd S( s` Emit INSERT statements corresponding to value lists collected
by _collect_insert_commands().RX c S s3 | d t | d t | d | d | d f S( Ni i i i i ( RC Rl ( R± ( ( sO /home/tvault/.virtenv/lib/python2.7/site-packages/sqlalchemy/orm/persistence.pyR² ï s
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S( s` Emit DELETE statements corresponding to value lists collected
by _collect_delete_commands().c s t j } x@ j D]1 } | j j | t j | j d | j k q W r | j j j t j j j d j j k n j | S( NR¨ (
R R© RQ Rª RP R« R- R¬ Rx Ri ( R R ( R t need_version_idR5 ( sO /home/tvault/.virtenv/lib/python2.7/site-packages/sqlalchemy/orm/persistence.pyt delete_stmtb s & Ri c S s | d S( Ni ( ( R± ( ( sO /home/tvault/.virtenv/lib/python2.7/site-packages/sqlalchemy/orm/persistence.pyR² v s iÿÿÿÿi sM Dialect %s does not support deleted rowcount - versioning cannot be verified.t
stackleveli s DELETE statement on table '%s' expected to delete %d row(s); %d were matched. Please set confirm_deleted_rows=False within the mapper configuration to prevent this warning.N( Rx R R R³ R R¼ RG R´ R¶ R· R) R» Rµ R R¿ RÀ t confirm_deleted_rowsR¾ Rt R½ ( R RS R2 R R5 Ri R× RÅ R t recsR t del_objectst expectedt rows_matchedt only_warnRÉ ( ( R RÖ R5 sO /home/tvault/.virtenv/lib/python2.7/site-packages/sqlalchemy/orm/persistence.pyRd Z sL
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n | s]| j j | | | q | j j | | | q Wd S( sz finalize state on states that have been inserted or updated,
including calling after_insert/after_update events.
t
refresh_statet only_load_propsN( t _readonly_propst unmodified_intersectiont expire_on_flushR- R# t _expire_attributesR t extendt _unloaded_non_objectRx R R RG RA t unloadedRm R
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D]% } | | j k r¿| j | j ^ q¿ n x_ | j | D]P \ } } | d k r*t j | | | qüt j | | | | | | | j qüWd S( s Expire attributes in need of newly persisted database state,
after an INSERT or UPDATE statement has proceeded for that
state.N( R¹ t compiledt prefetcht postfetcht returningRx R R R$ Rl t
class_managerRe t
refresh_flusht returned_defaultsRÓ R R- RP Rä R# t _table_to_equatedR t bulk_populate_inherit_keyst populatet passive_updates( R RS R5 R R4 RÒ R R R t
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& c c s | j j r | j j } n | j j | } d } xR t | D]D } | rd | | | j } n | j j } | | j | | f Vq@ Wd S( sß Return an iterator of (state, state.dict, mapper, connection).
The states are sorted according to _sort_states, then paired
with the connection they should be using for the given
unit of work transaction.
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