EvgT-ddlmZddlmZddlmZddlmZddlm Z edej dzZedej d zZGd d eZ d S) ) namedtuple)BaseDatabaseIntrospection) FieldInfo) TableInfo)Indexr) is_autofieldcommentr)r ceZdZiddddddddd d d d d ddddddddddddddddddddddd d!d"Zd#ZgZfd$Zd%Zd&Zd+d(Z d)Z d*Z xZ S),DatabaseIntrospection BooleanField BinaryFieldBigIntegerFieldSmallIntegerField IntegerField TextFieldi FloatFieldiieGenericIPAddressFieldi CharFieldii: DateFieldi; TimeFieldiZ DateTimeFieldii DurationFieldi DecimalField UUIDField JSONField)ii ibtreect||}|js|jr!d|jvr|dkrdS|dkrdS|dkrdS|S)Nnextvalr AutoFieldr BigAutoFieldrSmallAutoField)superget_field_typerdefault)self data_type description field_type __class__s h/var/www/pixelcanvas.ch/venv/lib/python3.11/site-packages/django/db/backends/postgresql/introspection.pyr)z$DatabaseIntrospection.get_field_type)s{WW++I{CC  # (   ([000^++"{000%~222''cn|dfd|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) c@g|]}|djvt|S)r)ignored_tablesr).0rowr+s r0 z8DatabaseIntrospection.get_table_list..Ks9   1vT000 sO000r1executefetchall)r+cursors` r0get_table_listz$DatabaseIntrospection.get_table_list8sS    "    ((    r1c|d|gd|D|d|jj|zfd|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) c0i|]}|d|ddS)rN)r5lines r0 z?DatabaseIntrospection.get_table_description..os&EEE4T!Wd122hEEEr1zSELECT * FROM %s LIMIT 1c g|]K}t|j|j|j|jn|j|j|j|jg|jRLS)N)rname type_code display_size internal_size precisionscale)r5rA field_maps r0r7z?DatabaseIntrospection.get_table_description..ss{      &*&7&?""TEV"  49%       r1)r9r: connectionops quote_namer-)r+r; table_namerJs @r0get_table_descriptionz+DatabaseIntrospection.get_table_descriptionQs  &L)   ,FE6??3D3DEEE  &)<)G)G )S)S S        *    r1r@cr|dgfd|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'; c4g|]}|d|ddS)rr?)rDtablecolumnr@)r5r6rNs r0r7z7DatabaseIntrospection.get_sequences..s;   VjCF C C   r1r8)r+r;rN table_fieldss ` r0 get_sequencesz#DatabaseIntrospection.get_sequencessZ "L%   (    ((    r1cl|d|gd|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) c<i|]}|d|d|dfS)rr?r@)r5r6s r0rBz7DatabaseIntrospection.get_relations..s+FFFSAQQ(FFFr1r8)r+r;rNs r0 get_relationsz#DatabaseIntrospection.get_relationssG  L!   $GFFOO4E4EFFFFr1c  i}|d|g|D]I\}}}}}||dk|dv|dkr#t|ddnd|dkd d|d ||<J|d |j|g|D]d\} }} } } } }}| |vrU| |jko| d  o|du}|dgkr|ng| dgkr| ng| | dd d |r t jn| ||d || <e|S)z Retrieve any constraints or keys (unique, pk, fk, check, index) across one or more columns. Also retrieve the definition of expression-based indexes. aH SELECT c.conname, array( SELECT attname FROM unnest(c.conkey) WITH ORDINALITY cols(colid, arridx) JOIN pg_attribute AS ca ON cols.colid = ca.attnum WHERE ca.attrelid = c.conrelid ORDER BY cols.arridx ), c.contype, (SELECT fkc.relname || '.' || fka.attname FROM pg_attribute AS fka JOIN pg_class AS fkc ON fka.attrelid = fkc.oid WHERE fka.attrelid = c.confrelid AND fka.attnum = c.confkey[1]), cl.reloptions FROM pg_constraint AS c JOIN pg_class AS cl ON c.conrelid = cl.oid WHERE cl.relname = %s AND pg_catalog.pg_table_is_visible(cl.oid) p)r[uf.r?NcF)columns primary_keyunique foreign_keycheckindex definitionoptionsaa SELECT indexname, array_agg(attname ORDER BY arridx), indisunique, indisprimary, array_agg(ordering ORDER BY arridx), amname, exprdef, s2.attoptions FROM ( SELECT c2.relname as indexname, idx.*, attr.attname, am.amname, CASE WHEN idx.indexprs IS NOT NULL THEN pg_get_indexdef(idx.indexrelid) END AS exprdef, CASE am.amname WHEN %s THEN CASE (option & 1) WHEN 1 THEN 'DESC' ELSE 'ASC' END END as ordering, c2.reloptions as attoptions FROM ( SELECT * FROM pg_index i, unnest(i.indkey, i.indoption) WITH ORDINALITY koi(key, option, arridx) ) idx LEFT JOIN pg_class c ON idx.indrelid = c.oid LEFT JOIN pg_class c2 ON idx.indexrelid = c2.oid LEFT JOIN pg_am am ON c2.relam = am.oid LEFT JOIN pg_attribute attr ON attr.attrelid = c.oid AND attr.attnum = idx.key WHERE c.relname = %s AND pg_catalog.pg_table_is_visible(c.oid) ) s2 GROUP BY indexname, indisunique, indisprimary, amname, exprdef, attoptions; _btreeT) r`ordersrarbrcrdretyperfrg)r9r:tuplesplitindex_default_access_methodendswithrsuffix)r+r;rN constraints constraintr`kind used_colsrgrerbprimaryritype_rf basic_indexs r0get_constraintsz%DatabaseIntrospection.get_constraintss    (L+   .>D__=N=N   9Jy'"#s{*,AEuY__S!%<%<===RV"" ' 'K # # ' P -z :S* * * h__            K''T==(x000 (  4 +2dV*;*;ww(.4&(8(8ffb#*$#'"!,7BELLU",& & & E"r1)r@) __name__ __module__ __qualname__data_types_reversermr4r)r<rOrUrYrw __classcell__)r/s@r0r r s N M    N  K  \ \ $ k k k k o o o!" k#$).#*N        2. . . `    4GGG2wwwwwwwr1r N) collectionsr%django.db.backends.base.introspectionrr BaseFieldInfor BaseTableInfodjango.db.modelsr_fieldsr r@r1r0rs""""""KKKKKKLLLLLLLLLLLL"""""" J{M$9