72 lines
3.0 KiB
Python
72 lines
3.0 KiB
Python
from django.db.backends.creation import BaseDatabaseCreation
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class DatabaseCreation(BaseDatabaseCreation):
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# This dictionary maps Field objects to their associated MySQL column
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# types, as strings. Column-type strings can contain format strings; they'll
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# be interpolated against the values of Field.__dict__ before being output.
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# If a column type is set to None, it won't be included in the output.
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data_types = {
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'AutoField': 'integer AUTO_INCREMENT',
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'BinaryField': 'longblob',
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'BooleanField': 'bool',
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'CharField': 'varchar(%(max_length)s)',
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'CommaSeparatedIntegerField': 'varchar(%(max_length)s)',
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'DateField': 'date',
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'DateTimeField': 'datetime',
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'DecimalField': 'numeric(%(max_digits)s, %(decimal_places)s)',
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'FileField': 'varchar(%(max_length)s)',
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'FilePathField': 'varchar(%(max_length)s)',
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'FloatField': 'double precision',
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'IntegerField': 'integer',
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'BigIntegerField': 'bigint',
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'IPAddressField': 'char(15)',
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'GenericIPAddressField': 'char(39)',
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'NullBooleanField': 'bool',
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'OneToOneField': 'integer',
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'PositiveIntegerField': 'integer UNSIGNED',
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'PositiveSmallIntegerField': 'smallint UNSIGNED',
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'SlugField': 'varchar(%(max_length)s)',
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'SmallIntegerField': 'smallint',
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'TextField': 'longtext',
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'TimeField': 'time',
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}
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def sql_table_creation_suffix(self):
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suffix = []
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if self.connection.settings_dict['TEST_CHARSET']:
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suffix.append('CHARACTER SET %s' % self.connection.settings_dict['TEST_CHARSET'])
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if self.connection.settings_dict['TEST_COLLATION']:
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suffix.append('COLLATE %s' % self.connection.settings_dict['TEST_COLLATION'])
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return ' '.join(suffix)
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def sql_for_inline_foreign_key_references(self, model, field, known_models, style):
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"All inline references are pending under MySQL"
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return [], True
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def sql_destroy_indexes_for_fields(self, model, fields, style):
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if len(fields) == 1 and fields[0].db_tablespace:
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tablespace_sql = self.connection.ops.tablespace_sql(fields[0].db_tablespace)
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elif model._meta.db_tablespace:
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tablespace_sql = self.connection.ops.tablespace_sql(model._meta.db_tablespace)
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else:
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tablespace_sql = ""
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if tablespace_sql:
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tablespace_sql = " " + tablespace_sql
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field_names = []
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qn = self.connection.ops.quote_name
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for f in fields:
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field_names.append(style.SQL_FIELD(qn(f.column)))
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index_name = "%s_%s" % (model._meta.db_table, self._digest([f.name for f in fields]))
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from ..utils import truncate_name
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return [
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style.SQL_KEYWORD("DROP INDEX") + " " +
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style.SQL_TABLE(qn(truncate_name(index_name, self.connection.ops.max_name_length()))) + " " +
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style.SQL_KEYWORD("ON") + " " +
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style.SQL_TABLE(qn(model._meta.db_table)) + ";",
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]
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