51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
|
import re
|
||
|
|
|
||
|
|
foreign_key_re = re.compile(r"\sCONSTRAINT `[^`]*` FOREIGN KEY \(`([^`]*)`\) REFERENCES `([^`]*)` \(`([^`]*)`\)")
|
||
|
|
|
||
|
|
def get_table_list(cursor):
|
||
|
|
"Returns a list of table names in the current database."
|
||
|
|
cursor.execute("SELECT TABLE_NAME FROM USER_TABLES")
|
||
|
|
return [row[0] for row in cursor.fetchall()]
|
||
|
|
|
||
|
|
def get_table_description(cursor, table_name):
|
||
|
|
return table_name
|
||
|
|
|
||
|
|
def _name_to_index(cursor, table_name):
|
||
|
|
"""
|
||
|
|
Returns a dictionary of {field_name: field_index} for the given table.
|
||
|
|
Indexes are 0-based.
|
||
|
|
"""
|
||
|
|
return dict([(d[0], i) for i, d in enumerate(get_table_description(cursor, table_name))])
|
||
|
|
|
||
|
|
def get_relations(cursor, table_name):
|
||
|
|
"""
|
||
|
|
Returns a dictionary of {field_index: (field_index_other_table, other_table)}
|
||
|
|
representing all relationships to the given table. Indexes are 0-based.
|
||
|
|
"""
|
||
|
|
raise NotImplementedError
|
||
|
|
|
||
|
|
def get_indexes(cursor, table_name):
|
||
|
|
"""
|
||
|
|
Returns a dictionary of fieldname -> infodict for the given table,
|
||
|
|
where each infodict is in the format:
|
||
|
|
{'primary_key': boolean representing whether it's the primary key,
|
||
|
|
'unique': boolean representing whether it's a unique index}
|
||
|
|
"""
|
||
|
|
raise NotImplementedError
|
||
|
|
|
||
|
|
# Maps type codes to Django Field types.
|
||
|
|
DATA_TYPES_REVERSE = {
|
||
|
|
16: 'BooleanField',
|
||
|
|
21: 'SmallIntegerField',
|
||
|
|
23: 'IntegerField',
|
||
|
|
25: 'TextField',
|
||
|
|
869: 'IPAddressField',
|
||
|
|
1043: 'CharField',
|
||
|
|
1082: 'DateField',
|
||
|
|
1083: 'TimeField',
|
||
|
|
1114: 'DateTimeField',
|
||
|
|
1184: 'DateTimeField',
|
||
|
|
1266: 'TimeField',
|
||
|
|
1700: 'FloatField',
|
||
|
|
}
|