#!/usr/bin/env python
-# -*- encoding: utf-8 -*-
-
-from tools import flatten
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+# OpenERP, Open Source Management Solution
+# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+
+from tools import flatten, reverse_enumerate
+import fields
class expression(object):
"""
parse a domain expression
- examples:
-
- >>> e = [('foo', '=', 'bar')]
- >>> expression(e).parse().to_sql()
- 'foo = bar'
- >>> e = [('id', 'in', [1,2,3])]
- >>> expression(e).parse().to_sql()
- 'id in (1, 2, 3)'
- >>> e = [('field', '=', 'value'), ('field', '<>', 'value')]
- >>> expression(e).parse().to_sql()
- '( field = value AND field <> value )'
- >>> e = [('&', ('field', '<', 'value'), ('field', '>', 'value'))]
- >>> expression(e).parse().to_sql()
- '( field < value AND field > value )'
- >>> e = [('|', ('field', '=', 'value'), ('field', '=', 'value'))]
- >>> expression(e).parse().to_sql()
- '( field = value OR field = value )'
- >>> e = [('&', ('field1', '=', 'value'), ('field2', '=', 'value'), ('|', ('field3', '<>', 'value'), ('field4', '=', 'value')))]
- >>> expression(e).parse().to_sql()
- '( field1 = value AND field2 = value AND ( field3 <> value OR field4 = value ) )'
- >>> e = [('&', ('|', ('a', '=', '1'), ('b', '=', '2')), ('|', ('c', '=', '3'), ('d', '=', '4')))]
- >>> expression(e).parse().to_sql()
- '( ( a = 1 OR b = 2 ) AND ( c = 3 OR d = 4 ) )'
- >>> e = [('|', (('a', '=', '1'), ('b', '=', '2')), (('c', '=', '3'), ('d', '=', '4')))]
- >>> expression(e).parse().to_sql()
- '( ( a = 1 AND b = 2 ) OR ( c = 3 AND d = 4 ) )'
- >>> expression(e).parse().get_tables()
- []
- >>> expression('fail').parse().to_sql()
- Traceback (most recent call last):
- ...
- ValueError: Bad expression: 'fail'
- >>> e = [('fail', 'is', 'True')]
- >>> expression(e).parse().to_sql()
- Traceback (most recent call last):
- ...
- ValueError: Bad expression: ('&', ('fail', 'is', 'True'))
+ use a real polish notation
+ leafs are still in a ('foo', '=', 'bar') format
+ For more info: http://christophe-simonis-at-tiny.blogspot.com/2008/08/new-new-domain-notation.html
"""
def _is_operator(self, element):
- return isinstance(element, str) \
- and element in ['&', '|']
+ return isinstance(element, (str, unicode)) and element in ['&', '|', '!']
- def _is_leaf(self, element):
- return isinstance(element, tuple) \
+ def _is_leaf(self, element, internal=False):
+ OPS = ('=', '!=', '<>', '<=', '<', '>', '>=', '=?', '=like', '=ilike', 'like', 'not like', 'ilike', 'not ilike', 'in', 'not in', 'child_of')
+ INTERNAL_OPS = OPS + ('inselect',)
+ return (isinstance(element, tuple) or isinstance(element, list)) \
and len(element) == 3 \
- and element[1] in ('=', '!=', '<>', '<=', '<', '>', '>=', '=like', 'like', 'not like', 'ilike', 'not ilike', 'in', 'not in', 'child_of')
-
- def _is_expression(self, element):
- return isinstance(element, tuple) \
- and len(element) > 2 \
- and self._is_operator(element[0])
-
+ and (((not internal) and element[1] in OPS) \
+ or (internal and element[1] in INTERNAL_OPS))
- def __execute_recursive_in(self, cr, s, f, w, ids):
+ def __execute_recursive_in(self, cr, s, f, w, ids, op, type):
+ # todo: merge into parent query as sub-query
res = []
- for i in range(0, len(ids), cr.IN_MAX):
- subids = ids[i:i+cr.IN_MAX]
- cr.execute('SELECT "%s"' \
- ' FROM "%s"' \
- ' WHERE "%s" in (%s)' % (s, f, w, ','.join(['%d']*len(subids))),
- subids)
+ if ids:
+ if op in ['<','>','>=','<=']:
+ cr.execute('SELECT "%s"' \
+ ' FROM "%s"' \
+ ' WHERE "%s" %s %%s' % (s, f, w, op), (ids[0],))
+ res.extend([r[0] for r in cr.fetchall()])
+ else:
+ for i in range(0, len(ids), cr.IN_MAX):
+ subids = ids[i:i+cr.IN_MAX]
+ cr.execute('SELECT "%s"' \
+ ' FROM "%s"' \
+ ' WHERE "%s" IN %%s' % (s, f, w),(tuple(subids),))
+ res.extend([r[0] for r in cr.fetchall()])
+ else:
+ cr.execute('SELECT distinct("%s")' \
+ ' FROM "%s" where "%s" is not null' % (s, f, s)),
res.extend([r[0] for r in cr.fetchall()])
return res
-
def __init__(self, exp):
- if exp and isinstance(exp, tuple):
- if not self._is_leaf(exp) and not self._is_operator(exp[0]):
- exp = list(exp)
- if exp and isinstance(exp, list):
- if len(exp) == 1 and self._is_leaf(exp[0]):
- exp = exp[0]
- else:
- if len(exp) == 3 and self._is_leaf(tuple(exp)):
- exp=[exp]
- if not self._is_operator(exp[0][0]):
- if isinstance(exp[0],list):
- exp=tuple(exp[0])
- else:
- exp.insert(0, '&')
- exp = tuple(exp)
- else:
- exp = exp[0]
-
+ # check if the expression is valid
+ if not reduce(lambda acc, val: acc and (self._is_operator(val) or self._is_leaf(val)), exp, True):
+ raise ValueError('Bad domain expression: %r' % (exp,))
self.__exp = exp
- self.__operator = '&'
- self.__children = []
-
- self.__tables = []
+ self.__field_tables = {} # used to store the table to use for the sql generation. key = index of the leaf
+ self.__all_tables = set()
self.__joins = []
- self.__table = None
+ self.__main_table = None # 'root' table. set by parse()
+ self.__DUMMY_LEAF = (1, '=', 1) # a dummy leaf that must not be parsed or sql generated
- self.__left, self.__right = None, None
- if self._is_leaf(self.__exp):
- self.__left, self.__operator, self.__right = self.__exp
- if isinstance(self.__right, list):
- self.__right = tuple(self.__right)
- elif exp and not self._is_expression(self.__exp):
- raise ValueError('Bad expression: %r' % (self.__exp,))
+ @property
+ def exp(self):
+ return self.__exp[:]
def parse(self, cr, uid, table, context):
-
- def _rec_get(ids, table, parent):
- if not ids:
- return []
- ids2 = table.search(cr, uid, [(parent, 'in', ids)], context=context)
- return ids + _rec_get(ids2, table, parent)
-
+ """ transform the leafs of the expression """
if not self.__exp:
return self
- if self._is_leaf(self.__exp):
- self.__table = table
- self.__tables.append(self.__table._table)
- if self.__left in table._inherit_fields:
- self.__table = table.pool.get(table._inherit_fields[self.__left][0])
- if self.__table._table not in self.__tables:
- self.__tables.append(self.__table._table)
- self.__joins.append('%s.%s' % (table._table, table._inherits[self.__table._name]))
- fargs = self.__left.split('.', 1)
- field = self.__table._columns.get(fargs[0], False)
+ def _rec_get(ids, table, parent=None, left='id', prefix=''):
+ if table._parent_store and (not table.pool._init):
+# TODO: Improve where joins are implemented for many with '.', replace by:
+# doms += ['&',(prefix+'.parent_left','<',o.parent_right),(prefix+'.parent_left','>=',o.parent_left)]
+ doms = []
+ for o in table.browse(cr, uid, ids, context=context):
+ if doms:
+ doms.insert(0, '|')
+ doms += ['&', ('parent_left', '<', o.parent_right), ('parent_left', '>=', o.parent_left)]
+ if prefix:
+ return [(left, 'in', table.search(cr, uid, doms, context=context))]
+ return doms
+ else:
+ def rg(ids, table, parent):
+ if not ids:
+ return []
+ ids2 = table.search(cr, uid, [(parent, 'in', ids)], context=context)
+ return ids + rg(ids2, table, parent)
+ return [(left, 'in', rg(ids, table, parent or table._parent_name))]
+
+ self.__main_table = table
+ self.__all_tables.add(table)
+
+ i = -1
+ while i + 1<len(self.__exp):
+ i += 1
+ e = self.__exp[i]
+ if self._is_operator(e) or e == self.__DUMMY_LEAF:
+ continue
+ left, operator, right = e
+ operator = operator.lower()
+ working_table = table
+ main_table = table
+ fargs = left.split('.', 1)
+ if fargs[0] in table._inherit_fields:
+ while True:
+ field = main_table._columns.get(fargs[0], False)
+ if field:
+ working_table = main_table
+ self.__field_tables[i] = working_table
+ break
+ working_table = main_table.pool.get(main_table._inherit_fields[fargs[0]][0])
+ if working_table not in self.__all_tables:
+ self.__joins.append('%s.%s=%s.%s' % (working_table._table, 'id', main_table._table, main_table._inherits[working_table._name]))
+ self.__all_tables.add(working_table)
+ main_table = working_table
+
+ field = working_table._columns.get(fargs[0], False)
if not field:
- if self.__left == 'id' and self.__operator == 'child_of':
- self.__right += _rec_get(self.__right, self.__table, self.__table._parent_name)
- self.__operator = 'in'
- return self
+ if left == 'id' and operator == 'child_of':
+ dom = _rec_get(right, working_table)
+ self.__exp = self.__exp[:i] + dom + self.__exp[i+1:]
+ continue
+
+ field_obj = table.pool.get(field._obj)
if len(fargs) > 1:
if field._type == 'many2one':
- self.__left = fargs[0]
- self.__right = table.pool.get(field._obj).search(cr, uid, [(fargs[1], self.__operator, self.__right)], context=context)
- self.__operator = 'in'
- return self
+ right = field_obj.search(cr, uid, [(fargs[1], operator, right)], context=context)
+ if right == []:
+ self.__exp[i] = ( 'id', '=', 0 )
+ else:
+ self.__exp[i] = (fargs[0], 'in', right)
+ # Making search easier when there is a left operand as field.o2m or field.m2m
+ if field._type in ['many2many','one2many']:
+ right = field_obj.search(cr, uid, [(fargs[1], operator, right)], context=context)
+ right1 = table.search(cr, uid, [(fargs[0],'in', right)], context=context)
+ if right1 == []:
+ self.__exp[i] = ( 'id', '=', 0 )
+ else:
+ self.__exp[i] = ('id', 'in', right1)
- field_obj = table.pool.get(field._obj)
- if field._properties:
- # this is a function field
- if not field._fnct_search and not field.store:
- # the function field doesn't provide a search function and doesn't store values in the database, so we must ignore it : we generate a dummy leaf
- self.__left, self.__operator, self.__right = 1, '=', 1
- self.__exp = '' # force to generate an empty sql expression
+ if not isinstance(field,fields.property):
+ continue
+
+ if field._properties and not field.store:
+ # this is a function field that is not stored
+ if not field._fnct_search:
+ # the function field doesn't provide a search function and doesn't store
+ # values in the database, so we must ignore it : we generate a dummy leaf
+ self.__exp[i] = self.__DUMMY_LEAF
else:
- # we need to replace this leaf to a '&' expression
- # we clone ourself...
- import copy
- newexp = copy.copy(self)
- self.__table = None
- self.__tables, self.__joins = [], []
- self.__children = []
-
- if field._fnct_search:
- subexp = field.search(cr, uid, table, self.__left, [self.__exp])
- self.__children.append(expression(subexp).parse(cr, uid, table, context))
- if field.store:
- self.__children.append(newexp)
-
- self.__left, self.__right = None, None
- self.__operator = '&'
- self.__exp = ('&',) + tuple([tuple(e.__exp) for e in self.__children])
+ subexp = field.search(cr, uid, table, left, [self.__exp[i]], context=context)
+ if not subexp:
+ self.__exp[i] = self.__DUMMY_LEAF
+ else:
+ # we assume that the expression is valid
+ # we create a dummy leaf for forcing the parsing of the resulting expression
+ self.__exp[i] = '&'
+ self.__exp.insert(i + 1, self.__DUMMY_LEAF)
+ for j, se in enumerate(subexp):
+ self.__exp.insert(i + 2 + j, se)
+ # else, the value of the field is store in the database, so we search on it
elif field._type == 'one2many':
- if isinstance(self.__right, basestring):
- ids2 = [x[0] for x in field_obj.name_search(cr, uid, self.__right, [], self.__operator)]
- else:
- ids2 = self.__right
- if not ids2:
- self.__left, self.__operator, self.__right = 'id', '=', '0'
+ # Applying recursivity on field(one2many)
+ if operator == 'child_of':
+ if isinstance(right, basestring):
+ ids2 = [x[0] for x in field_obj.name_search(cr, uid, right, [], 'like', context=context, limit=None)]
+ else:
+ ids2 = list(right)
+ if field._obj != working_table._name:
+ dom = _rec_get(ids2, field_obj, left=left, prefix=field._obj)
+ else:
+ dom = _rec_get(ids2, working_table, parent=left)
+ self.__exp = self.__exp[:i] + dom + self.__exp[i+1:]
+
else:
- self.__left, self.__operator, self.__right = 'id', 'in', self.__execute_recursive_in(cr, field._fields_id, field_obj._table, 'id', ids2)
+ call_null = True
+
+ if right is not False:
+ if isinstance(right, basestring):
+ ids2 = [x[0] for x in field_obj.name_search(cr, uid, right, [], operator, context=context, limit=None)]
+ if ids2:
+ operator = 'in'
+ else:
+ if not isinstance(right,list):
+ ids2 = [right]
+ else:
+ ids2 = right
+ if not ids2:
+ if operator in ['like','ilike','in','=']:
+ #no result found with given search criteria
+ call_null = False
+ self.__exp[i] = ('id','=',0)
+ else:
+ call_null = True
+ operator = 'in' # operator changed because ids are directly related to main object
+ else:
+ call_null = False
+ o2m_op = 'in'
+ if operator in ['not like','not ilike','not in','<>','!=']:
+ o2m_op = 'not in'
+ self.__exp[i] = ('id', o2m_op, self.__execute_recursive_in(cr, field._fields_id, field_obj._table, 'id', ids2, operator, field._type))
+
+ if call_null:
+ o2m_op = 'not in'
+ if operator in ['not like','not ilike','not in','<>','!=']:
+ o2m_op = 'in'
+ self.__exp[i] = ('id', o2m_op, self.__execute_recursive_in(cr, field._fields_id, field_obj._table, 'id', [], operator, field._type) or [0])
elif field._type == 'many2many':
#FIXME
- if self.__operator == 'child_of':
- if isinstance(self.__right, basestring):
- ids2 = [x[0] for x in field_obj.name_search(cr, uid, self.__right, [], 'like')]
+ if operator == 'child_of':
+ if isinstance(right, basestring):
+ ids2 = [x[0] for x in field_obj.name_search(cr, uid, right, [], 'like', context=context, limit=None)]
else:
- ids2 = self.__right
+ ids2 = list(right)
def _rec_convert(ids):
if field_obj == table:
return ids
- return self.__execute_recursive_in(cr, field._id1, field._rel, field._id2, ids)
+ return self.__execute_recursive_in(cr, field._id1, field._rel, field._id2, ids, operator, field._type)
- self.__left, self.__operator, self.__right = 'id', 'in', _rec_convert(ids2 + _rec_get(ids2, field_obj, self.__table._parent_name))
+ dom = _rec_get(ids2, field_obj)
+ ids2 = field_obj.search(cr, uid, dom, context=context)
+ self.__exp[i] = ('id', 'in', _rec_convert(ids2))
else:
- if isinstance(self.__right, basestring):
- res_ids = [x[0] for x in field_obj.name_search(cr, uid, self.__right, [], self.__operator)]
- else:
- res_ids = self.__right
- self.__left, self.__operator, self.__right = 'id', 'in', self.__execute_recursive_in(cr, field._id1, field._rel, field._id2, res_ids) or [0]
+ call_null_m2m = True
+ if right is not False:
+ if isinstance(right, basestring):
+ res_ids = [x[0] for x in field_obj.name_search(cr, uid, right, [], operator, context=context)]
+ if res_ids:
+ operator = 'in'
+ else:
+ if not isinstance(right, list):
+ res_ids = [right]
+ else:
+ res_ids = right
+ if not res_ids:
+ if operator in ['like','ilike','in','=']:
+ #no result found with given search criteria
+ call_null_m2m = False
+ self.__exp[i] = ('id','=',0)
+ else:
+ call_null_m2m = True
+ operator = 'in' # operator changed because ids are directly related to main object
+ else:
+ call_null_m2m = False
+ m2m_op = 'in'
+ if operator in ['not like','not ilike','not in','<>','!=']:
+ m2m_op = 'not in'
+
+ self.__exp[i] = ('id', m2m_op, self.__execute_recursive_in(cr, field._id1, field._rel, field._id2, res_ids, operator, field._type) or [0])
+ if call_null_m2m:
+ m2m_op = 'not in'
+ if operator in ['not like','not ilike','not in','<>','!=']:
+ m2m_op = 'in'
+ self.__exp[i] = ('id', m2m_op, self.__execute_recursive_in(cr, field._id1, field._rel, field._id2, [], operator, field._type) or [0])
+
elif field._type == 'many2one':
- if self.__operator == 'child_of':
- if isinstance(self.__right, basestring):
- ids2 = [x[0] for x in field_obj.search_name(cr, uid, self.__right, [], 'like')]
+ if operator == 'child_of':
+ if isinstance(right, basestring):
+ ids2 = [x[0] for x in field_obj.name_search(cr, uid, right, [], 'like', limit=None)]
+ elif isinstance(right, (int, long)):
+ ids2 = list([right])
else:
- ids2 = list(self.__right)
+ ids2 = list(right)
self.__operator = 'in'
- if field._obj != self.__table._name:
- self.__right = ids2 + _rec_get(ids2, field_obj, self.__table._parent_name)
+ if field._obj != working_table._name:
+ dom = _rec_get(ids2, field_obj, left=left, prefix=field._obj)
else:
- self.__right = ids2 + _rec_get(ids2, self.__table, self.__left)
- self.__left = 'id'
+ dom = _rec_get(ids2, working_table, parent=left)
+ self.__exp = self.__exp[:i] + dom + self.__exp[i+1:]
else:
- if isinstance(self.__right, basestring):
- res_ids = field_obj.name_search(cr, uid, self.__right, [], self.__operator)
- self.__operator = 'in'
- self.__right = map(lambda x: x[0], res_ids)
+ def _get_expression(field_obj,cr, uid, left, right, operator, context=None):
+ if context is None:
+ context = {}
+ c = context.copy()
+ c['active_test'] = False
+ #Special treatment to ill-formed domains
+ operator = ( operator in ['<','>','<=','>='] ) and 'in' or operator
+
+ dict_op = {'not in':'!=','in':'=','=':'in','!=':'not in','<>':'not in'}
+ if isinstance(right,tuple):
+ right = list(right)
+ if (not isinstance(right,list)) and operator in ['not in','in']:
+ operator = dict_op[operator]
+ elif isinstance(right,list) and operator in ['<>','!=','=']: #for domain (FIELD,'=',['value1','value2'])
+ operator = dict_op[operator]
+ res_ids = field_obj.name_search(cr, uid, right, [], operator, limit=None, context=c)
+ if not res_ids:
+ return ('id','=',0)
+ else:
+ right = map(lambda x: x[0], res_ids)
+ return (left, 'in', right)
+
+ m2o_str = False
+ if right:
+ if isinstance(right, basestring): # and not isinstance(field, fields.related):
+ m2o_str = True
+ elif isinstance(right,(list,tuple)):
+ m2o_str = True
+ for ele in right:
+ if not isinstance(ele, basestring):
+ m2o_str = False
+ break
+ elif right == []:
+ m2o_str = False
+ if operator in ('not in', '!=', '<>'):
+ # (many2one not in []) should return all records
+ self.__exp[i] = self.__DUMMY_LEAF
+ else:
+ self.__exp[i] = ('id','=',0)
+ else:
+ new_op = '='
+ if operator in ['not like','not ilike','not in','<>','!=']:
+ new_op = '!='
+ #Is it ok to put 'left' and not 'id' ?
+ self.__exp[i] = (left,new_op,False)
+
+ if m2o_str:
+ self.__exp[i] = _get_expression(field_obj,cr, uid, left, right, operator, context=context)
else:
# other field type
+ # add the time part to datetime field when it's not there:
+ if field._type == 'datetime' and self.__exp[i][2] and len(self.__exp[i][2]) == 10:
+
+ self.__exp[i] = list(self.__exp[i])
+
+ if operator in ('>', '>='):
+ self.__exp[i][2] += ' 00:00:00'
+ elif operator in ('<', '<='):
+ self.__exp[i][2] += ' 23:59:59'
+
+ self.__exp[i] = tuple(self.__exp[i])
+
if field.translate:
- if self.__operator in ('like', 'ilike', 'not like', 'not ilike'):
- self.__right = '%%%s%%' % self.__right
+ if operator in ('like', 'ilike', 'not like', 'not ilike'):
+ right = '%%%s%%' % right
+
+ operator = operator == '=like' and 'like' or operator
query1 = '( SELECT res_id' \
' FROM ir_translation' \
' WHERE name = %s' \
' AND lang = %s' \
- ' AND type = %s' \
- ' AND value ' + self.__operator + ' %s' \
+ ' AND type = %s'
+ instr = ' %s'
+ #Covering in,not in operators with operands (%s,%s) ,etc.
+ if operator in ['in','not in']:
+ instr = ','.join(['%s'] * len(right))
+ query1 += ' AND value ' + operator + ' ' +" (" + instr + ")" \
') UNION (' \
' SELECT id' \
- ' FROM "' + self.__table._table + '"' \
- ' WHERE "' + self.__left + '" ' + self.__operator + ' %s' \
- ')'
- query2 = [self.__table._name + ',' + self.__left,
+ ' FROM "' + working_table._table + '"' \
+ ' WHERE "' + left + '" ' + operator + ' ' +" (" + instr + "))"
+ else:
+ query1 += ' AND value ' + operator + instr + \
+ ') UNION (' \
+ ' SELECT id' \
+ ' FROM "' + working_table._table + '"' \
+ ' WHERE "' + left + '" ' + operator + instr + ")"
+
+ query2 = [working_table._name + ',' + left,
context.get('lang', False) or 'en_US',
'model',
- self.__right,
- self.__right,
+ right,
+ right,
]
- self.__left = 'id'
- self.__operator = 'inselect'
- self.__right = (query1, query2,)
+ self.__exp[i] = ('id', 'inselect', (query1, query2))
-
- elif self._is_expression(self.__exp):
- self.__operator = self.__exp[0]
-
- for element in self.__exp[1:]:
- if not self._is_operator(element):
- self.__children.append(expression(element).parse(cr, uid, table, context))
return self
- def to_sql(self):
- if not self.__exp:
- return ('', [])
- elif self._is_leaf(self.__exp):
- if self.__operator == 'inselect':
- query = '(%s.%s in (%s))' % (self.__table._table, self.__left, self.__right[0])
- params = self.__right[1]
- elif self.__operator in ['in', 'not in']:
- params = self.__right[:]
- len_before = len(params)
- for i in range(len_before)[::-1]:
- if params[i] == False:
- del params[i]
-
- len_after = len(params)
- check_nulls = len_after != len_before
- query = '(1=0)'
-
- if len_after:
- if self.__left == 'id':
- instr = ','.join(['%d'] * len_after)
- else:
- instr = ','.join([self.__table._columns[self.__left]._symbol_set[0]] * len_after)
-
- query = '(%s.%s %s (%s))' % (self.__table._table, self.__left, self.__operator, instr)
+ def __leaf_to_sql(self, leaf, table):
+ if leaf == self.__DUMMY_LEAF:
+ return ('(1=1)', [])
+ left, operator, right = leaf
+
+ if operator == 'inselect':
+ query = '(%s.%s in (%s))' % (table._table, left, right[0])
+ params = right[1]
+ elif operator in ['in', 'not in']:
+ params = right and right[:] or []
+ len_before = len(params)
+ for i in range(len_before)[::-1]:
+ if params[i] == False:
+ del params[i]
+
+ len_after = len(params)
+ check_nulls = len_after != len_before
+ query = '(1=0)'
+
+ if len_after:
+ if left == 'id':
+ instr = ','.join(['%s'] * len_after)
+ else:
+ instr = ','.join([table._columns[left]._symbol_set[0]] * len_after)
+ query = '(%s.%s %s (%s))' % (table._table, left, operator, instr)
+ else:
+ # the case for [field, 'in', []] or [left, 'not in', []]
+ if operator == 'in':
+ query = '(%s.%s IS NULL)' % (table._table, left)
+ else:
+ query = '(%s.%s IS NOT NULL)' % (table._table, left)
+ if check_nulls:
+ query = '(%s OR %s.%s IS NULL)' % (query, table._table, left)
+ else:
+ params = []
+
+ if right == False and (leaf[0] in table._columns) and table._columns[leaf[0]]._type=="boolean" and (operator == '='):
+ query = '(%s.%s IS NULL or %s.%s = false )' % (table._table, left,table._table, left)
+ elif (((right == False) and (type(right)==bool)) or (right is None)) and (operator == '='):
+ query = '%s.%s IS NULL ' % (table._table, left)
+ elif right == False and (leaf[0] in table._columns) and table._columns[leaf[0]]._type=="boolean" and (operator in ['<>', '!=']):
+ query = '(%s.%s IS NOT NULL and %s.%s != false)' % (table._table, left,table._table, left)
+ elif (((right == False) and (type(right)==bool)) or right is None) and (operator in ['<>', '!=']):
+ query = '%s.%s IS NOT NULL' % (table._table, left)
+ elif (operator == '=?'):
+ op = '='
+ if (right is False or right is None):
+ return ( 'TRUE',[])
+ if left in table._columns:
+ format = table._columns[left]._symbol_set[0]
+ query = '(%s.%s %s %s)' % (table._table, left, op, format)
+ params = table._columns[left]._symbol_set[1](right)
+ else:
+ query = "(%s.%s %s '%%s')" % (table._table, left, op)
+ params = right
- if check_nulls:
- query = '(%s OR %s IS NULL)' % (query, self.__left)
else:
- params = []
- if self.__right is False and self.__operator == '=':
- query = '%s IS NULL' % self.__left
- elif self.__right is False and self.__operator == '<>':
- query = '%s IS NOT NULL' % self.__left
+ if left == 'id':
+ query = '%s.id %s %%s' % (table._table, operator)
+ params = right
else:
- if self.__left == 'id':
- query = '%s.id %s %%s' % (self.__table._table, self.__operator)
- params = self.__right
- else:
- like = self.__operator in ('like', 'ilike', 'not like', 'not ilike')
+ like = operator in ('like', 'ilike', 'not like', 'not ilike')
- op = self.__operator == '=like' and 'like' or self.__operator
- if self.__left in self.__table._columns:
- format = like and '%s' or self.__table._columns[self.__left]._symbol_set[0]
- query = '(%s.%s %s %s)' % (self.__table._table, self.__left, op, format)
+ op = {'=like':'like','=ilike':'ilike'}.get(operator,operator)
+ if left in table._columns:
+ format = like and '%s' or table._columns[left]._symbol_set[0]
+ query = '(%s.%s %s %s)' % (table._table, left, op, format)
+ else:
+ query = "(%s.%s %s '%s')" % (table._table, left, op, right)
+
+ add_null = False
+ if like:
+ if isinstance(right, str):
+ str_utf8 = right
+ elif isinstance(right, unicode):
+ str_utf8 = right.encode('utf-8')
else:
- query = "(%s.%s %s '%s')" % (self.__table._table, self.__left, op, self.__right)
-
- add_null = False
- if like:
- if isinstance(self.__right, str):
- str_utf8 = self.__right
- elif isinstance(self.__right, unicode):
- str_utf8 = self.__right.encode('utf-8')
- else:
- str_utf8 = str(self.__right)
- params = '%%%s%%' % str_utf8
- add_null = not str_utf8
- elif self.__left in self.__table._columns:
- params = self.__table._columns[self.__left]._symbol_set[1](self.__right)
-
- if add_null:
- query = '(%s OR %s IS NULL)' % (query, self.__left)
-
- joins = ' AND '.join(map(lambda j: '%s.id = %s' % (self.__table._table, j), self.__joins))
- if joins:
- query = '(%s AND (%s))' % (joins, query)
- if isinstance(params, basestring):
- params = [params]
- return (query, params)
+ str_utf8 = str(right)
+ params = '%%%s%%' % str_utf8
+ add_null = not str_utf8
+ elif left in table._columns:
+ params = table._columns[left]._symbol_set[1](right)
- else:
- children = [child.to_sql() for child in self.__children]
- params = flatten([child[1] for child in children])
- query = "( %s )" % (" %s " % {'&': 'AND', '|': 'OR'}[self.__operator]).join([child[0] for child in children if child[0]])
- return (query, params)
+ if add_null:
+ query = '(%s OR %s IS NULL)' % (query, left)
- def __get_tables(self):
- return self.__tables + [child.__get_tables() for child in self.__children]
+ if isinstance(params, basestring):
+ params = [params]
+ return (query, params)
- def get_tables(self):
- return ['"%s"' % t for t in set(flatten(self.__get_tables()))]
- #def
+ def to_sql(self):
+ stack = []
+ params = []
+ for i, e in reverse_enumerate(self.__exp):
+ if self._is_leaf(e, internal=True):
+ table = self.__field_tables.get(i, self.__main_table)
+ q, p = self.__leaf_to_sql(e, table)
+ params.insert(0, p)
+ stack.append(q)
+ else:
+ if e == '!':
+ stack.append('(NOT (%s))' % (stack.pop(),))
+ else:
+ ops = {'&': ' AND ', '|': ' OR '}
+ q1 = stack.pop()
+ q2 = stack.pop()
+ stack.append('(%s %s %s)' % (q1, ops[e], q2,))
+
+ query = ' AND '.join(reversed(stack))
+ joins = ' AND '.join(self.__joins)
+ if joins:
+ query = '(%s) AND (%s)' % (joins, query)
+ return (query, flatten(params))
-if __name__ == '__main__':
- pass
- #import doctest
- #doctest.testmod()
+ def get_tables(self):
+ return ['"%s"' % t._table for t in self.__all_tables]
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
projects / odoo / odoo.git / blobdiff