web2py.gluon.dal.BaseAdapter

Package web2py :: Package gluon :: Module dal :: Class BaseAdapter |
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# Class BaseAdapter

source code

        object --+
                 |
    ConnectionPool --+
                     |
                    BaseAdapter

Known Subclasses:
  NoSQLAdapter, MySQLAdapter, DB2Adapter, FireBirdAdapter, InformixAdapter, IngresAdapter, PostgreSQLAdapter, SQLiteAdapter, MSSQLAdapter, OracleAdapter, SAPDBAdapter, TeradataAdapter

Instance Methods | [hide private]
adapt(self, obj) | source code
integrity_error(self) | source code
operational_error(self) | source code
file_exists(self, filename) to be used ONLY for files that on GAE may not be on filesystem | source code
file_open(self, filename, mode=`'``rb``'`, lock=True) to be used ONLY for files that on GAE may not be on filesystem | source code
file_close(self, fileobj) to be used ONLY for files that on GAE may not be on filesystem | source code
file_delete(self, filename) | source code
__init__(self, db, uri, pool_size=0, folder=global_settings.applications_parent, db_codec=`'``UTF-8``'`, credential_decoder=<function <lambda> at 0xfbade8>, driver_args=`{``}`, adapter_args=`{``}`) x.__init__(...) initializes x; see x.__class__.__doc__ for signature | source code
sequence_name(self, tablename) | source code
trigger_name(self, tablename) | source code
create_table(self, table, migrate=True, fake_migrate=True, polymodel=global_settings.applications_parent) | source code
migrate_table(self, table, sql_fields, sql_fields_old, sql_fields_aux, logfile, fake_migrate=True) | source code
LOWER(self, first) | source code
UPPER(self, first) | source code
EXTRACT(self, first, what) | source code
AGGREGATE(self, first, what) | source code
JOIN(self) | source code
LEFT_JOIN(self) | source code
RANDOM(self) | source code
NOT_NULL(self, default, field_type) | source code
COALESCE(self, first, second) | source code
COALESCE_ZERO(self, first) | source code
RAW(self, first) | source code
ALLOW_NULL(self) | source code
SUBSTRING(self, field, parameters) | source code
PRIMARY_KEY(self, key) | source code
_drop(self, table, mode) | source code
drop(self, table, mode=`'````'`) | source code
_insert(self, table, fields) | source code
insert(self, table, fields) | source code
bulk_insert(self, table, items) | source code
NOT(self, first) | source code
AND(self, first, second) | source code
OR(self, first, second) | source code
BELONGS(self, first, second) | source code
REGEXP(self, first, second) regular expression operator | source code
LIKE(self, first, second) case sensitive like operator | source code
ILIKE(self, first, second) case in-sensitive like operator | source code
STARTSWITH(self, first, second) | source code
ENDSWITH(self, first, second) | source code
CONTAINS(self, first, second) | source code
EQ(self, first, second=global_settings.applications_parent) | source code
NE(self, first, second=global_settings.applications_parent) | source code
LT(self, first, second=global_settings.applications_parent) | source code
LE(self, first, second=global_settings.applications_parent) | source code
GT(self, first, second=global_settings.applications_parent) | source code
GE(self, first, second=global_settings.applications_parent) | source code
ADD(self, first, second) | source code
SUB(self, first, second) | source code
MUL(self, first, second) | source code
DIV(self, first, second) | source code
MOD(self, first, second) | source code
AS(self, first, second) | source code
ON(self, first, second) | source code
INVERT(self, first) | source code
COMMA(self, first, second) | source code
expand(self, expression, field_type=global_settings.applications_parent) | source code
alias(self, table, alias) Given a table object, makes a new table object with alias name. | source code
_truncate(self, table, mode=`'````'`) | source code
truncate(self, table, mode=`'``` `'`) | source code
_update(self, tablename, query, fields) | source code
update(self, tablename, query, fields) | source code
_delete(self, tablename, query) | source code
delete(self, tablename, query) | source code
get_table(self, query) | source code
expand_all(self, fields, tablenames) | source code
_select(self, query, fields, attributes) | source code
select_limitby(self, sql_s, sql_f, sql_t, sql_w, sql_o, limitby) | source code
select(self, query, fields, attributes) Always returns a Rows object, possibly empty. | source code
_count(self, query, distinct=global_settings.applications_parent) | source code
count(self, query, distinct=global_settings.applications_parent) | source code
tables(self, query) | source code
commit(self) | source code
rollback(self) | source code
close(self) | source code
distributed_transaction_begin(self, key) | source code
prepare(self, key) | source code
commit_prepared(self, key) | source code
rollback_prepared(self, key) | source code
concat_add(self, table) | source code
constraint_name(self, table, fieldname) | source code
create_sequence_and_triggers(self, query, table, **args) | source code
log_execute(self, *a, **b) | source code
execute(self, *a, **b) | source code
represent(self, obj, fieldtype) | source code
represent_exceptions(self, obj, fieldtype) | source code
lastrowid(self, table) | source code
integrity_error_class(self) | source code
rowslice(self, rows, minimum=0, maximum=global_settings.applications_parent) By default this function does nothing; overload when db does not do slicing. | source code
parse_value(self, value, field_type, blob_decode=True) | source code
parse_reference(self, value, field_type) | source code
parse_boolean(self, value, field_type) | source code
parse_date(self, value, field_type) | source code
parse_time(self, value, field_type) | source code
parse_datetime(self, value, field_type) | source code
parse_blob(self, value, field_type) | source code
parse_decimal(self, value, field_type) | source code
parse_list_integers(self, value, field_type) | source code
parse_list_references(self, value, field_type) | source code
parse_list_strings(self, value, field_type) | source code
parse_id(self, value, field_type) | source code
parse_integer(self, value, field_type) | source code
parse_double(self, value, field_type) | source code
build_parsemap(self) | source code
parse(self, rows, fields, colnames, blob_decode=True) | source code
common_filter(self, query, tablenames) | source code
Inherited from `ConnectionPool`: `find_or_make_work_folder`, `pool_connection` Inherited from `object`: `__delattr__`, `__getattribute__`, `__hash__`, `__new__`, `__reduce__`, `__reduce_ex__`, `__repr__`, `__setattr__`, `__str__`

Static Methods | [hide private]
Inherited from `ConnectionPool`: `close_all_instances`, `set_folder`

Class Variables | [hide private]
| driver = `<web2py.gluon.custom_import._Web2pyImporter object at`...`` PyMySQL: A pure-Python drop-in replacement for MySQLdb.
| maxcharlength = `32768`
| commit_on_alter_table = `True`
| support_distributed_transaction = `True`
| uploads_in_blob = `True`
| can_select_for_update = `True`
| types = ``{``'``blob``'``:` `'``BLOB``'``,` `'``boolean``'``:` `'``CHAR(1)``'``,` `'``date``'``:` `'``DATE``'``,``...``
Inherited from `ConnectionPool`: `check_active_connection`, `pools`

Properties | [hide private]
Inherited from `object`: `__class__`

Method Details | [hide private]

### __init__(self, db, uri, pool_size=0, folder=global_settings.applications_parent, db_codec=`'``UTF-8``'`, credential_decoder=<function <lambda> at 0xfbade8>, driver_args=`{``}`, adapter_args=`{``}`) (Constructor) | source code
x.__init__(...) initializes x; see x.__class__.__doc__ for signature Overrides: object.__init__ (inherited documentation)

Class Variable Details | [hide private]

  ### driver PyMySQL: A pure-Python drop-in replacement for MySQLdb. Copyright (c) 2010 PyMySQL contributors Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Value:
      global_settings.applications_parent

  ### types Value:
      {'blob': 'BLOB',
       'boolean': 'CHAR(1)',
       'date': 'DATE',
       'datetime': 'TIMESTAMP',
       'decimal': 'DOUBLE',
       'double': 'DOUBLE',
       'id': 'INTEGER PRIMARY KEY AUTOINCREMENT',
       'integer': 'INTEGER',
      ...