o lfT-@spddlmZddlmZddlmZddlmZddlm Z edej dZedej d ZGd d d eZ d S) ) namedtuple)BaseDatabaseIntrospection) FieldInfo) TableInfo)Indexr) is_autofieldcommentr)rcseZdZiddddddddd d d d d ddddddddddddddddddddddd d!d"Zd#ZgZfd$d%Zd&d'Zd(d)Zd1d+d,Z d-d.Z d/d0Z Z S)2DatabaseIntrospection BooleanField BinaryFieldBigIntegerFieldSmallIntegerField IntegerField TextFieldi FloatFieldiieGenericIPAddressFieldi CharFieldii: DateFieldi; TimeFieldiZ DateTimeFieldii DurationFieldi DecimalField UUIDField JSONField)ii ibtreecsLt||}|js|jr$d|jvr$|dkrdS|dkrdS|dkr$dS|S)Nnextvalr AutoFieldr BigAutoFieldrSmallAutoField)superget_field_typerdefault)self data_type description field_type __class__o/var/www/ticemtrilhas/avaliacao_env/lib/python3.10/site-packages/django/db/backends/postgresql/introspection.pyr&)s z$DatabaseIntrospection.get_field_typecs |dfdd|DS)z>Return a list of table and view names in the current database.aB SELECT c.relname, CASE WHEN c.relispartition THEN 'p' WHEN c.relkind IN ('m', 'v') THEN 'v' ELSE 't' END, obj_description(c.oid, 'pg_class') FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace WHERE c.relkind IN ('f', 'm', 'p', 'r', 'v') AND n.nspname NOT IN ('pg_catalog', 'pg_toast') AND pg_catalog.pg_table_is_visible(c.oid) cs"g|] }|djvrt|qS)r)ignored_tablesr.0rowr(r.r/ Ks z8DatabaseIntrospection.get_table_list..executefetchall)r(cursorr.r4r/get_table_list8s  z$DatabaseIntrospection.get_table_listcsL|d|gdd|D|d|jj|fdd|jDS)zi Return a description of the table with the DB-API cursor.description interface. a SELECT a.attname AS column_name, NOT (a.attnotnull OR (t.typtype = 'd' AND t.typnotnull)) AS is_nullable, pg_get_expr(ad.adbin, ad.adrelid) AS column_default, CASE WHEN collname = 'default' THEN NULL ELSE collname END AS collation, a.attidentity != '' AS is_autofield, col_description(a.attrelid, a.attnum) AS column_comment FROM pg_attribute a LEFT JOIN pg_attrdef ad ON a.attrelid = ad.adrelid AND a.attnum = ad.adnum LEFT JOIN pg_collation co ON a.attcollation = co.oid JOIN pg_type t ON a.atttypid = t.oid JOIN pg_class c ON a.attrelid = c.oid JOIN pg_namespace n ON c.relnamespace = n.oid WHERE c.relkind IN ('f', 'm', 'p', 'r', 'v') AND c.relname = %s AND n.nspname NOT IN ('pg_catalog', 'pg_toast') AND pg_catalog.pg_table_is_visible(c.oid) cSsi|] }|d|ddqS)rNr.r2liner.r.r/ osz?DatabaseIntrospection.get_table_description..zSELECT * FROM %s LIMIT 1c sHg|] }t|j|j|jdur|jn|j|j|j|jg|jRqS)N)rname type_code display_size internal_size precisionscaler< field_mapr.r/r5ss z?DatabaseIntrospection.get_table_description..)r7r8 connectionops quote_namer*r(r9 table_namer.rEr/get_table_descriptionQs  z+DatabaseIntrospection.get_table_descriptionr.cs$|dgfdd|DS)Na SELECT s.relname AS sequence_name, a.attname AS colname FROM pg_class s JOIN pg_depend d ON d.objid = s.oid AND d.classid = 'pg_class'::regclass AND d.refclassid = 'pg_class'::regclass JOIN pg_attribute a ON d.refobjid = a.attrelid AND d.refobjsubid = a.attnum JOIN pg_class tbl ON tbl.oid = d.refobjid AND tbl.relname = %s AND pg_catalog.pg_table_is_visible(tbl.oid) WHERE s.relkind = 'S'; cs g|] }|d|ddqS)rr;)r?tablecolumnr.r1rKr.r/r5sz7DatabaseIntrospection.get_sequences..r6)r(r9rK table_fieldsr.rOr/ get_sequencess z#DatabaseIntrospection.get_sequencescCs |d|gdd|DS)z Return a dictionary of {field_name: (field_name_other_table, other_table)} representing all foreign keys in the given table. a{ SELECT a1.attname, c2.relname, a2.attname FROM pg_constraint con LEFT JOIN pg_class c1 ON con.conrelid = c1.oid LEFT JOIN pg_class c2 ON con.confrelid = c2.oid LEFT JOIN pg_attribute a1 ON c1.oid = a1.attrelid AND a1.attnum = con.conkey[1] LEFT JOIN pg_attribute a2 ON c2.oid = a2.attrelid AND a2.attnum = con.confkey[1] WHERE c1.relname = %s AND con.contype = 'f' AND c1.relnamespace = c2.relnamespace AND pg_catalog.pg_table_is_visible(c1.oid) cSs"i|] }|d|d|dfqS)rr;r.r1r.r.r/r>s"z7DatabaseIntrospection.get_relations..r6rJr.r.r/ get_relationss z#DatabaseIntrospection.get_relationsc Csi}|d|g|D]&\}}}}}||dk|dv|dkr't|ddnd|dkd d|d ||<q |d |j|g|D]?\} }} } } } }}| |vr| |jko]| d  o]|du}|dgkre|ng| dgkrm| ng| | dd d |rxtjn| ||d || <qA|S)z Retrieve any constraints or keys (unique, pk, fk, check, index) across one or more columns. 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