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l m Z d d l mZ d d l mZ d d l mZ e ZG dd deZG dd dejZeedd Zedeededdededdededdd d Zed eed ed ded!ed"ded#ed$ded%ed&dd d Zed'eed!ed"ded#ed$ded(ed)ded*e d+ded,ed-ded.e d/ded0e d1ded2e d3ded4e d5ded6e d7ded8ed9dd d Zed'eed!ed"ded#ed$ded(ed)ded*e d+ded,ed-ded.e d/ded0e d1ded2e d3ded4e d5ded6e d7ded8ed9dd:d Zed;eed!ed"ded#ed$ded<ed=ded>ed?dd d Zed@eed!ed"ded#ed$ded(ed)ded<ed=dd d ZedAeed!ed"ded#ed$ded(ed)ded<ed=dedBedCded.e d/dd d Z edDeedEedFdedBedCded<ed=dedGedHdedIedJdedKedLdedMedNdedOedPdedQedRdd d Z edSeed ed ded!ed"ded#ed$dedTedUdedVedWdedXedYdd d Z edZeed[e ed\eed]e
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expression)ÚBoolean)ÚInteger)ÚNumeric)ÚNVARCHAR)ÚString)Ú TypeDecorator)ÚUnicodec @ s e Zd ZeZdZdd ZdS )Ú CoerceUnicodeTc C s t |S ©N)Ú _cast_on_2005©ÚselfÚ bindvalue© r úcd:\z\workplace\vscode\pyvenv\venv\Lib\site-packages\sqlalchemy/dialects/mssql/information_schema.pyÚbind_expression s z CoerceUnicode.bind_expressionN)Ú__name__Ú
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|| _ d S r )r r r r r Ú__init__$ s z_cast_on_2005.__init__N)r r r r r r r r r # s r c K sP ddl m} |jjd ks&|jj|jk r6|j| jf|S |jt| jtf|S d S )Né )Úbase) Ú r ÚdialectZserver_version_infoZMS_2005_VERSIONÚprocessr r r )ÚelementÚcompilerÚkwr r r r Ú_compile( s
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ÿ þr& ZSCHEMATAZ CATALOG_NAMEZ catalog_name)ÚkeyZ SCHEMA_NAMEZ schema_nameZ SCHEMA_OWNERZ schema_ownerZINFORMATION_SCHEMA)ZschemaZTABLESZ TABLE_CATALOGZ table_catalogZ TABLE_SCHEMAZ table_schemaZ
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table_nameZ
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table_typeÚCOLUMNSZ COLUMN_NAMEZ column_nameZ IS_NULLABLEZ is_nullableZ DATA_TYPEZ data_typeZORDINAL_POSITIONZordinal_positionZCHARACTER_MAXIMUM_LENGTHZcharacter_maximum_lengthZNUMERIC_PRECISIONZnumeric_precisionZ NUMERIC_SCALEZ numeric_scaleZCOLUMN_DEFAULTZcolumn_defaultZCOLLATION_NAMEZcollation_nameztempdb.INFORMATION_SCHEMAZTABLE_CONSTRAINTSZCONSTRAINT_NAMEZconstraint_nameZCONSTRAINT_TYPEZconstraint_typeZCONSTRAINT_COLUMN_USAGEZKEY_COLUMN_USAGEZCONSTRAINT_SCHEMAZconstraint_schemaZREFERENTIAL_CONSTRAINTSZCONSTRAINT_CATALOGZconstraint_catalogZUNIQUE_CONSTRAINT_CATLOGZunique_constraint_catalogZUNIQUE_CONSTRAINT_SCHEMAZunique_constraint_schemaZUNIQUE_CONSTRAINT_NAMEZunique_constraint_nameZ MATCH_OPTIONZ match_optionZ UPDATE_RULEZ update_ruleZ DELETE_RULEZ delete_ruleZVIEWSZVIEW_DEFINITIONZview_definitionZ CHECK_OPTIONZ check_optionZ IS_UPDATABLEZ is_updatableÚcomputed_columnsZ object_idÚnameZ is_computedZ is_persistedZ
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definitionÚsysZ SEQUENCESZSEQUENCE_CATALOGZsequence_catalogZSEQUENCE_SCHEMAZsequence_schemaZ SEQUENCE_NAMEZ sequence_namec @ s e Zd ZdZeZdZdd ZdS )ÚNumericSqlVariantaN This type casts sql_variant columns in the identity_columns view
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to numeric. This is required because:
|
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* pyodbc does not support sql_variant
|
* pymssql under python 2 return the byte representation of the number,
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last_valueZis_not_for_replicationc @ s e Zd ZdZeZdZdd ZdS )ÚNVarcharSqlVariantzThis type casts sql_variant columns in the extended_properties view
|
to nvarchar. This is required because pyodbc does not support sql_variant
|
Tc C s
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t |tS r )r r r- r r r r. ï s z$NVarcharSqlVariant.column_expressionNr/ r r r r r3 ç s r3 Úextended_propertiesÚclassZ
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