Current File : //opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyo
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� � YZ d S( s� Global database feature support policy.
Provides decorators to mark tests requiring specific feature support from the
target database.
External dialect test suites should subclass SuiteRequirements
to provide specific inclusion/exclusions.
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exclusionsi ( t utilt Requirementsc B s e Z RS( ( t __name__t
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t j � S( s/ target platform can emit basic CreateTable DDL.( R t open( t self( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt create_table s c C s
t j � S( s- target platform can emit basic DropTable DDL.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt
drop_table# s c C s
t j � S( s* Target database must support foreign keys.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt foreign_keys) s c C s
t j � S( sR "target database must support ON UPDATE..CASCADE behavior in
foreign keys.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt on_update_cascade/ s c C s
t j � S( sW target database must *not* support ON UPDATE..CASCADE behavior in
foreign keys.( R t closed( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt non_updating_cascade6 s c C s
t j � S( N( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt deferrable_fks< s c s t j � f d � � S( Nc s � j j p � j j S( N( R t enabledR ( ( R ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt <lambda>F s ( R t only_if( R ( ( R sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt on_update_or_deferrable_fks@ s c C s
t j � S( s; Target database must support self-referential foreign keys.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt self_referential_foreign_keysJ s c C s
t j � S( s= Target database must support the DDL phrases for FOREIGN KEY.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt foreign_key_ddlP s c C s
t j � S( s3 target database must support names for constraints.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt named_constraintsV s c C s
t j � S( s( Target database must support subqueries.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt
subqueries\ s c C s
t j � S( sR target database can render OFFSET, or an equivalent, in a
SELECT.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt offsetb s c C s
t j � S( sW target database can render LIMIT and/or OFFSET using a bound
parameter
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt bound_limit_offsetj s c C s
t j � S( s� Target database must support parenthesized SELECT in UNION
when LIMIT/OFFSET is specifically present.
E.g. (SELECT ...) UNION (SELECT ..)
This is known to fail on SQLite.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt/ parens_in_union_contained_select_w_limit_offsetr s
c C s
t j � S( sl Target database must support parenthesized SELECT in UNION
when OFFSET/LIMIT is specifically not present.
E.g. (SELECT ... LIMIT ..) UNION (SELECT .. OFFSET ..)
This is known to fail on SQLite. It also fails on Oracle
because without LIMIT/OFFSET, there is currently no step that
creates an additional subquery.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt0 parens_in_union_contained_select_wo_limit_offset~ s c C s
t j � S( s; Target database must support boolean expressions as columns( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt boolean_col_expressions� s c C s
t j � S( s, Target backends that support nulls ordering.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt
nullsordering� s c C s
t j � S( s� target database/driver supports bound parameters as column expressions
without being in the context of a typed column.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt standalone_binds� s c C s
t j � S( s5 Target database must support INTERSECT or equivalent.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt intersect� s c C s
t j � S( s? Target database must support EXCEPT or equivalent (i.e. MINUS).( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt except_� s c C s
t j � S( s. Target database must support window functions.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt window_functions� s c C s
t j � S( s Target database supports CTEs( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt ctes� s c C s
t j � S( s� target database supports CTES that ride on top of a normal UPDATE
or DELETE statement which refers to the CTE in a correlated subquery.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt ctes_with_update_delete� s c C s
t j � S( s} target database supports CTES which consist of INSERT, UPDATE
or DELETE *within* the CTE, e.g. WITH x AS (UPDATE....)( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt ctes_on_dml� s c C s
t j � S( s~ target platform generates new surrogate integer primary key values
when insert() is executed, excluding the pk column.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt autoincrement_insert� s c C s
t j � S( s# target platform will allow cursor.fetchone() to proceed after a
COMMIT.
Typically this refers to an INSERT statement with RETURNING which
is invoked within "autocommit". If the row can be returned
after the autocommit, then this rule can be open.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt fetch_rows_post_commit� s c C s
t j � S( s� target platform supports SQL expressions in GROUP BY
e.g.
SELECT x + y AS somelabel FROM table GROUP BY x + y
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt group_by_complex_expression� s
c C s t j d � d � S( Nc S s | j j j S( N( t dbt dialectt supports_sane_rowcount( t config( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR � t s& driver doesn't support 'sane' rowcount( R t skip_if( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt
sane_rowcount� s c C s t j d � d � S( Nc S s | j j j S( N( R' R( t supports_sane_multi_rowcount( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR � R+ s; driver %(driver)s %(doesnt_support)s 'sane' multi row count( R t fails_if( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt sane_multi_rowcount� s c C s t j d � d � S( Nc S s | j j j S( N( R' R( t supports_sane_rowcount_returning( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR � s s; driver doesn't support 'sane' rowcount when returning is on( R R/ ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt sane_rowcount_w_returning� s c C s t j d � d � S( sa target platform supports INSERT with no values, i.e.
INSERT DEFAULT VALUES or equivalent.c S s | j j j p | j j j S( N( R' R( t supports_empty_insertt supports_default_values( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR s s empty inserts not supported( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt
empty_inserts� s c C s
t j � S( s. target platform supports INSERT from a SELECT.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt insert_from_select s c C s t j d � d � S( s# target platform supports RETURNING.c S s
| j j j S( N( R' R( t implicit_returning( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR R+ s) %(database)s %(does_support)s 'returning'( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt returning
s c C s
t j � S( sZ Target platform supports the syntax
"(x, y) IN ((x1, y1), (x2, y2), ...)"
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt tuple_in s c C s
t j � S( sw target platform supports a SELECT statement that has
the same name repeated more than once in the columns list.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt% duplicate_names_in_cursor_description s c C s t j d � d � S( s[ Target database must have 'denormalized', i.e.
UPPERCASE as case insensitive names.c S s | j j j S( N( R' R( t requires_name_normalize( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR + R+ s, Backend does not require denormalized names.( R R, ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt denormalized_names% s c C s t j d � d � S( sT target database must support multiple VALUES clauses in an
INSERT statement.c S s | j j j S( N( R' R( t supports_multivalues_insert( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR 5 R+ s* Backend does not support multirow inserts.( R R, ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt multivalues_inserts/ s c C s
t j � S( sw "target dialect implements the executioncontext.get_lastrowid()
method without reliance on RETURNING.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt implements_get_lastrowid9 s c C s
t j � S( s= "target dialect retrieves cursor.lastrowid, or fetches
from a database-side function after an insert() construct executes,
within the get_lastrowid() method.
Only dialects that "pre-execute", or need RETURNING to get last
inserted id, would return closed/fail/skip for this.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt emulated_lastrowidA s
c C s
t j � S( s^ "target platform includes a 'lastrowid' accessor on the DBAPI
cursor object.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt dbapi_lastrowidM s c C s
t j � S( s# Target database must support VIEWs.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt viewsU s c C s
t j � S( sX Target database must support external schemas, and have one
named 'test_schema'.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt schemas[ s c C s t j d � g d � S( s0 Target dialect must support server side cursors.c S s
| j j j S( N( R' R( t supports_server_side_cursors( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR g R+ s no server side cursors support( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt server_side_cursorsb s c C s t j d � g d � S( s' Target database must support SEQUENCEs.c S s
| j j j S( N( R' R( t supports_sequences( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR p R+ s no sequence support( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt sequencesk s c C s t j d � g d � S( sg Target database supports sequences, but also optionally
as a means of generating new PK values.c S s | j j j o | j j j S( N( R' R( RF t sequences_optional( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR { s s. no sequence support, or sequences not optional( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyRH t s c C s
t j � S( N( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt reflects_pk_names� s c C s
t j � S( N( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt table_reflection� s c C s
t j � S( N( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt comment_reflection� s c C s | j S( s� target database must support retrieval of the columns in a view,
similarly to how a table is inspected.
This does not include the full CREATE VIEW definition.
( RB ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt view_column_reflection� s c C s | j S( sT target database must support inspection of the full CREATE VIEW definition.
( RB ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt view_reflection� s c C s | j S( N( RC ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt schema_reflection� s c C s
t j � S( N( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt! primary_key_constraint_reflection� s c C s
t j � S( N( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt! foreign_key_constraint_reflection� s c C s
t j � S( N( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt1 foreign_key_constraint_option_reflection_ondelete� s c C s
t j � S( N( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt1 foreign_key_constraint_option_reflection_onupdate� s c C s
t j � S( N( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt temp_table_reflection� s c C s
t j � S( s8 target dialect supports listing of temporary table names( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt temp_table_names� s c C s
t j � S( s) target database supports temporary tables( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt temporary_tables� s c C s
t j � S( s( target database supports temporary views( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt temporary_views� s c C s
t j � S( N( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt index_reflection� s c C s
t j � S( s> target database supports CREATE INDEX against SQL expressions.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt indexes_with_expressions� s c C s
t j � S( s8 target dialect supports reflection of unique constraints( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt unique_constraint_reflection� s c C s
t j � S( s7 target dialect supports reflection of check constraints( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt check_constraint_reflection� s c C s
t j � S( s� target dialect raises IntegrityError when reporting an INSERT
with a primary key violation. (hint: it should)
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt$ duplicate_key_raises_integrity_error� s c C s
t j � S( s3 Target database must support VARCHAR with no length( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt unbounded_varchar� s c C s
t j � S( s� Target database/dialect must support Python unicode objects with
non-ASCII characters represented, delivered as bound parameters
as well as in result rows.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt unicode_data� s c C s
t j � S( sR Target driver must support some degree of non-ascii symbol
names.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt unicode_ddl� s c C s
t j � S( s� target dialect supports rendering of a date, time, or datetime as a
literal string, e.g. via the TypeEngine.literal_processor() method.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt datetime_literals� s c C s
t j � S( sU target dialect supports representation of Python
datetime.datetime() objects.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt datetime� s c C s
t j � S( sf target dialect supports representation of Python
datetime.datetime() with microsecond objects.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt datetime_microseconds s c C s
t j � S( s� target dialect supports representation of Python
datetime.datetime() with microsecond objects but only
if TIMESTAMP is used.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt timestamp_microseconds s c C s
t j � S( su target dialect supports representation of Python
datetime.datetime() objects with historic (pre 1970) values.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt datetime_historic s c C s
t j � S( sQ target dialect supports representation of Python
datetime.date() objects.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt date s c C s
t j � S( sP target dialect accepts a datetime object as the target
of a date column.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt date_coerces_from_datetime! s c C s
t j � S( su target dialect supports representation of Python
datetime.datetime() objects with historic (pre 1970) values.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt
date_historic( s c C s
t j � S( sQ target dialect supports representation of Python
datetime.time() objects.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt time/ s c C s
t j � S( sb target dialect supports representation of Python
datetime.time() with microsecond objects.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt time_microseconds6 s c C s
t j � S( st target database/driver can allow BLOB/BINARY fields to be compared
against a bound parameter value.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt binary_comparisons= s c C s
t j � S( s! target backend supports simple binary literals, e.g. an
expression like::
SELECT CAST('foo' AS BINARY)
Where ``BINARY`` is the type emitted from :class:`.LargeBinary`,
e.g. it could be ``BLOB`` or similar.
Basically fails on Oracle.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt binary_literalsE s c C s
t j � S( s: target dialect supports 'AUTOCOMMIT' as an isolation_level( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt
autocommitU s c C s
t j � S( s. target platform implements a native JSON type.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt json_typeZ s c C s | j S( sO "target platform supports numeric array indexes
within a JSON structure( Rl ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt json_array_indexes` s c C s
t j � S( sR target backend has general support for moderately high-precision
numerics.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt precision_numerics_generalg s c C s
t j � S( sb target backend supports Decimal() objects using E notation
to represent very small values.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt" precision_numerics_enotation_smallm s c C s
t j � S( sb target backend supports Decimal() objects using E notation
to represent very large values.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt" precision_numerics_enotation_larges s c C s
t j � S( s� target backend supports values with many digits on both sides,
such as 319438950232418390.273596, 87673.594069654243
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt* precision_numerics_many_significant_digitsy s c C s
t j � S( s- target backend will return a selected Decimal as a Decimal, not
a string.
e.g.::
expr = decimal.Decimal("15.7563")
value = e.scalar(
select([literal(expr)])
)
assert value == expr
See :ticket:`4036`
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt implicit_decimal_binds� s c C s
t j � S( sh target database can select an aggregate from a subquery that's
also using an aggregate
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt nested_aggregates� s c C s
t j � S( sb target database must support ON DELETE CASCADE on a self-referential
foreign key
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt recursive_fk_cascade� s c C s
t j � S( s� A precision numeric type will return empty significant digits,
i.e. a value such as 10.000 will come back in Decimal form with
the .000 maintained.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt- precision_numerics_retains_significant_digits� s c C s
t j � S( s� target backend will return native floating point numbers with at
least seven decimal places when using the generic Float type.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt precision_generic_float_type� s c C s
t j � S( s� target backend can return a floating-point number with four
significant digits (such as 15.7563) accurately
(i.e. without FP inaccuracies, such as 15.75629997253418).
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt floats_to_four_decimals� s c C s
t j � S( s� target backend doesn't crash when you try to select a NUMERIC
value that has a value of NULL.
Added to support Pyodbc bug #351.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt fetch_null_from_numeric� s c C s
t j � S( sU Target database must support an unbounded Text() "
"type such as TEXT or CLOB( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt text_type� s c C s
t j � S( sT target database can persist/return an empty string with a
varchar.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt empty_strings_varchar� s c C s
t j � S( sR target database can persist/return an empty string with an
unbounded text.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt empty_strings_text� s c C s
t j � S( sU target database supports use of an unbounded textual field in a
WHERE clause.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt" expressions_against_unbounded_text� s c C s
t j � S( s; target driver must support the literal statement 'select 1'( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt selectone� s c C s
t j � S( s( Target database must support savepoints.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt
savepoints� s c C s
t j � S( s4 Target database must support two-phase transactions.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt two_phase_transactions� s c C s
t j � S( s' Target must support UPDATE..FROM syntax( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt update_from� s c C s
t j � S( s= Target must support DELETE FROM..FROM or DELETE..USING syntax( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt delete_from� s c C s
t j � S( s� Target must support UPDATE (or DELETE) where the same table is
present in a subquery in the WHERE clause.
This is an ANSI-standard syntax that apparently MySQL can't handle,
such as::
UPDATE documents SET flag=1 WHERE documents.title IN
(SELECT max(documents.title) AS title
FROM documents GROUP BY documents.user_id
)
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt update_where_target_in_subquery s c C s
t j � S( sO target database must use a plain percent '%' as the 'modulus'
operator.( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt mod_operator_as_percent_sign s c C s
t j � S( s target backend supports weird identifiers with percent signs
in them, e.g. 'some % column'.
this is a very weird use case but often has problems because of
DBAPIs that use python formatting. It's not a critical use
case either.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt percent_schema_names s
c C s
t j � S( s target backend supports ORDER BY a column label within an
expression.
Basically this::
select data as foo from test order by foo || 'bar'
Lots of databases including PostgreSQL don't support this,
so this is off by default.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt order_by_label_with_expression# s
c s � f d � } t j | � S( Nc s. y � j | � t SWn t k
r) t SXd S( N( t get_order_by_collationt Falset NotImplementedErrort True( R* ( R ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt check4 s
( R R, ( R R� ( ( R sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt order_by_collation2 s c C s
t � � d S( N( R� ( R R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR� = s c C s
t j � S( sU Target driver must support non-ASCII characters being passed at
all.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt unicode_connections@ s c C s
t j � S( s� Target driver must raise a DBAPI-level exception, such as
InterfaceError, when the underlying connection has been closed
and the execute() method is called.
( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt graceful_disconnectsG s c C s
t j � S( s9 Catchall for a large variety of MySQL on Windows failures( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt skip_mysql_on_windowsO s c C s t j d � � S( s Test environment must allow ad-hoc engine/connection creation.
DBs that scale poorly for many connections, even when closed, i.e.
Oracle, may use the "--low-connections" option which flags this
requirement as not present.
c S s
| j j S( N( t optionst low_connections( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR ^ R+ ( R R, ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt ad_hoc_enginesT s c C s
t j d � S( Nt timing_intensive( R t requires_tag( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR� a s c C s
t j d � S( Nt memory_intensive( R R� ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR� e s c C s t j d � d � S( s� Mark tests that use threading and mock at the same time - stability
issues have been observed with coverage + python 3.3
c S s t j o | j j S( N( R t py3kR� t has_coverage( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR p R+ s% Stability issues with coverage + py3k( R R, ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt threading_with_mocki s c C s t j d � d � S( Nc S s
t j d k S( Ni ( i ( t syst version_info( ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR w R+ s Python version 2.xx is required.( R R, ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt python2t s c C s t j d � d � S( Nc S s
t j d k S( Ni ( i ( R� R� ( ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR ~ R+ s Python version 3.xx is required.( R R, ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt python3{ s c C s t j d � d � S( Nc S s t j S( N( R t cpython( ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR � R+ s cPython interpreter needed( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR� � s c s) d d l m � t j � f d � d � S( Ni����( t picklec s& t j r � j d k p% t j d k S( Nt cPicklei i ( i i ( R t pypyR R� R� ( ( R� ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR � s
s. Needs cPickle+cPython or newer Python 3 pickle( t sqlalchemy.utilR� R R ( R ( ( R� sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt non_broken_pickle� s c C s | j S( s� target platform must remove all cycles unconditionally when
gc.collect() is called, as well as clean out unreferenced subclasses.
( R� ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt predictable_gc� s c C s t j d � d � S( s� Test should be skipped if coverage is enabled.
This is to block tests that exercise libraries that seem to be
sensitive to coverage, such as PostgreSQL notice logging.
c S s
| j j S( N( R� R� ( R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR � R+ s( Issues observed when coverage is enabled( R R, ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt no_coverage� s c C s t S( N( R� ( R R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt _has_mysql_on_windows� s c C s t S( N( R� ( R R* ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt _has_mysql_fully_case_sensitive� s c s t j � f d � � S( Nc s � j � S( N( t _has_sqlite( ( R ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR � R+ ( R R, ( R ( ( R sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt sqlite� s c s t j � f d � d � S( Nc s � j � S( N( t _has_cextensions( ( R ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyR � R+ s C extensions not installed( R R, ( R ( ( R sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/requirements.pyt cextensions� s c C s; d d l m } y | d � t SWn t k
r6 t SXd S( Ni����( t
create_engines sqlite://( t
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