Python StatementCursor.fetchall方法代码示例

# 需要导入模块: from useless.db.midlevel import StatementCursor [as 别名]
# 或者: from useless.db.midlevel.StatementCursor import fetchall [as 别名]
 def addDbSchemaok(self):
     dlg = self.dialogs['new-schema']
     schema = str(dlg.grid.entries['schema'].text())
     self.manager.create_schema(schema)
     cursor = StatementCursor(self.db.conn)
     cursor.execute('set SESSION search_path to %s' % schema)
     self.db.conn.commit()
     cursor.execute('show search_path')
     print cursor.fetchall()
     kschema.create_schema(cursor)
     self.refreshlistView()

# 需要导入模块: from useless.db.midlevel import StatementCursor [as 别名]
# 或者: from useless.db.midlevel.StatementCursor import fetchall [as 别名]
class Family(object):
    def __init__(self, conn):
        object.__init__(self)
        self.conn = conn
        self.cursor = StatementCursor(self.conn)
        self.current = None
        self.parent = SimpleRelation(self.conn, 'family_parent', 'family')
        self.env = FamilyEnvironment(self.conn)
        
    def set_family(self, family):
        self.current = family
        self.parent.set_current(family)
        self.env.set_family(family)

    def _check_family(self, family):
        if family is not None:
            return family
        else:
            family = self.current
        if family is None:
            raise Error, 'either pass a family argument or call set_family on this object'
        return family
    
    def get_related_families(self, families=[]):
        rows = self.cursor.select(table='family_parent')
        graph = kjGraph([(r.family, r.parent) for r in rows])
        dfamilies = Set()
        for fam in families:
            dfamilies |= Set([fam]) | Set(graph.reachable(fam).items())
        return dfamilies

    def parent_rows(self, family=None):
        family = self._check_family(family)
        self.parent.set_clause(family)
        rows = self.parent.cmd.select(fields=['parent'], order='parent')
        self.parent.reset_clause()
        return rows

    def parents(self, family=None):
        family = self._check_family(family)
        rows = self.parent_rows(family)
        return [x.parent for x in rows]
    
    def environment_rows(self, family=None):
        family = self._check_family(family)
        clause = Eq('family', family)
        args = dict(fields=['trait', 'name', 'value'], clause=clause, order=['trait', 'name'])
        return self.env.cursor.select(**args)

    def family_rows(self):
        return self.cursor.select(fields=['family'], table='families', order='family')

    def all_families(self):
        return [r.family for r in self.family_rows()]

    def get_all_defaults(self):
        suite_cursor = SuiteCursor(self.conn)
        suites = suite_cursor.get_suites()
        stmt = select_multisuite_union(suites, 'variables')
        print stmt
        self.cursor.execute(stmt)
        return self.cursor.fetchall()

    def create_family(self, family):
        if family not in self.all_families():
            self.cursor.insert(table='families', data=dict(family=family))
        else:
            raise ExistsError, '%s already exists' % family

    def delete_family(self, family=None):
        family = self._check_family(family)
        self.cursor.execute("select * from delete_family('%s')" % family)
        
    def insert_parents(self, parents, family=None):
        family = self._check_family(family)
        self.parent.insert('parent', parents)

    def delete_parents(self, parents=[], family=None):
        family = self._check_family(family)
        if not parents:
            parents = self.parents()
        if not parents:
            return
        table= 'family_parent'
        clause = Eq('family', family) & In('parent', parents)
        self.cursor.delete(table=table, clause=clause)
        
    def FamilyData(self, families=[]):
        # change sep here
        sep = PAELLA_TRAIT_NAME_SEP
        # we don't know what to do here
        # it is possible to have an empty
        # list of families, and if that's the
        # case we don't need to make the
        # list of [self.current] .  I need to look
        # for everywhere this method is called.
        # In the installer, the family is never set,
        # and we use the list of families provided
        # by the profile and the machine.  In this
        # case, the families argument will always
#.........这里部分代码省略.........

# 需要导入模块: from useless.db.midlevel import StatementCursor [as 别名]
# 或者: from useless.db.midlevel.StatementCursor import fetchall [as 别名]
class BaseDatabase(QSqlDatabase):
    def __init__(self, dsn, name, parent=None, objname=None):
        deprecated('useless.kdedb.BaseDatabase is deprecated')
        QSqlDatabase.__init__(self, 'QPSQL7', name, parent, objname)
        if hasattr(dsn, 'items'): #if dsn is dictionary
            self.conn = BasicConnection(**dsn)
            self.setDatabaseName(dsn['dbname'])
            self.setHostName(dsn['host'])
            self.dbuser = dsn['user']
        else: #else a conn was passed as dsn
            self.conn = dsn
            self.setDatabaseName(self.conn.conn.db)
            self.setHostName(self.conn.conn.host)
            self.dbuser = self.conn.conn.user
        self.setUserName(self.dbuser)
        self.stmt = Statement()
        self.mcursor = StatementCursor(self.conn)
        
    def set_table(self, table):
        self.stmt.table = table

    def set_clause(self, items, cmp='=', join='and'):
        self.stmt.set_clause(items, cmp=cmp, join=join)

    def set_data(self, data):
        self.stmt.set(data)

    def set_fields(self, fields):
        self.stmt.fields = fields

    def qdelete(self, table=None, clause=None):
        query = self.stmt.delete(table=table, clause=clause)
        return self.execStatement(query)

    def qinsert(self, table=None, data=None):
        query = self.stmt.insert(table=table, data=data)
        return self.execStatement(query)

    def qupdate(self, table=None, data=None, clause=None):
        query = self.stmt.update(table=table, data=data, clause=clause)
        return self.execStatement(query)

    def qselect(self, fields=None, table=None, clause=None,
               group=None, having=None, order=None):
        query = self.stmt.select(fields=fields, table=table, clause=clause,
                                 group=group, having=having, order=order)
        return self.execStatement(query)

    def delete(self, table=None, clause=None):
        query = self.stmt.delete(table=table, clause=clause)
        return self.mcursor.execute(query)

    def insert(self, table=None, data=None):
        query = self.stmt.insert(table=table, data=data)
        return self.mcursor.execute(query)

    def update(self, table=None, data=None, clause=None):
        query = self.stmt.update(table=table, data=data, clause=clause)
        return self.mcursor.execute(query)

    def select(self, fields=None, table=None, clause=None,
               group=None, having=None, order=None):
        query = self.stmt.select(fields=fields, table=table, clause=clause,
                                 group=group, having=having, order=order)
        self.mcursor.execute(query)
        return self.mcursor.fetchall()

    def select_row(self, fields=None, table=None, clause=None,
               group=None, having=None, order=None):
        query = self.stmt.select(fields=fields, table=table, clause=clause,
                                 group=group, having=having, order=order)
        self.mcursor.execute(query)
        rows = len(self.mcursor)
        if rows == 1:
            return self.mcursor.next()
        elif rows == 0:
            raise NoExistError
        else:
            raise RuntimeError, 'bad row count %s' % rows

    def clear(self, **args):
        self.stmt.clear(**args)

    def stdclause(self, data):
        return reduce(and_, [Eq(k, v) for k,v in data.items()])

    def insertData(self, idcol, table, data, commit=True):
        clause = self.stdclause(data)
        try:
            self.mcursor.select_row(fields=[idcol], table=table, clause=clause)
        except NoExistError:
            self.mcursor.insert(table=table, data=data)
            if commit:
                self.conn.commit()
            
    def identifyData(self, idcol, table, data, commit=True):
        clause = self.stdclause(data)
        self.insertData(idcol, table, data, commit=commit)
        return self.mcursor.select_row(fields=['*'], table=table, clause=clause)

# 需要导入模块: from useless.db.midlevel import StatementCursor [as 别名]
# 或者: from useless.db.midlevel.StatementCursor import fetchall [as 别名]
class Family(object):
    def __init__(self, conn):
        object.__init__(self)
        self.conn = conn
        self.cursor = StatementCursor(self.conn)
        self.current = None
        self.parent = SimpleRelation(self.conn, 'family_parent', 'family')
        self.env = FamilyEnvironment(self.conn)
        
    def set_family(self, family):
        self.current = family
        self.parent.set_current(family)
        self.env.set_family(family)

    def _check_family(self, family):
        if family is not None:
            return family
        else:
            family = self.current
        if family is None:
            raise Error, 'either pass a family arguement or call set_family on this object'
        return family
    
    def add_family(self, family, type='general'):
        pass

    def get_related_families(self, families=[]):
        rows = self.cursor.select(table='family_parent')
        graph = kjGraph([(r.family, r.parent) for r in rows])
        dfamilies = Set()
        for fam in families:
            dfamilies |= Set([fam]) | Set(graph.reachable(fam).items())
        return dfamilies

    def parent_rows(self, family=None):
        family = self._check_family(family)
        self.parent.set_clause(family)
        rows = self.parent.cmd.select(fields=['parent'], order='parent')
        self.parent.reset_clause()
        return rows

    def parents(self, family=None):
        family = self._check_family(family)
        rows = self.parent_rows(family)
        return [x.parent for x in rows]
    
    def environment_rows(self, family=None):
        family = self._check_family(family)
        clause = Eq('family', family)
        args = dict(fields=['trait', 'name', 'value'], clause=clause, order=['trait', 'name'])
        return self.env.cursor.select(**args)

    def family_rows(self):
        return self.cursor.select(fields=['family'], table='families', order='family')

    def all_families(self):
        return [r.family for r in self.family_rows()]

    def get_all_defaults(self):
        suite_cursor = SuiteCursor(self.conn)
        suites = suite_cursor.get_suites()
        stmt = select_multisuite_union(suites, 'variables')
        print stmt
        self.cursor.execute(stmt)
        return self.cursor.fetchall()

    def create_family(self, family):
        if family not in self.all_families():
            self.cursor.insert(table='families', data=dict(family=family))
        else:
            raise ExistsError, '%s already exists' % family

    def insert_parents(self, parents, family=None):
        family = self._check_family(family)
        self.parent.insert('parent', parents)

    def FamilyData(self, families=[]):
        if families is None:
            families = [self.current]
        all = self.make_familylist(families)
        superdict = {}
        for f in all:
            superdict.update(self.env.make_tagdict(f))
        return superdict
            
        
            
    def make_familylist(self, families):
        deps = families
        all = list(self.get_related_families(families))
        setfun = self.set_family
        parfun = self.parents
        return make_deplist(deps, all, setfun, parfun)

    def export_family(self, family=None):
        if family is None:
            family = self.current
        element = FamilyElement(family)
        element.append_parents(self.parents(family))
        element.append_variables(self.environment_rows(family))
#.........这里部分代码省略.........

# 需要导入模块: from useless.db.midlevel import StatementCursor [as 别名]
# 或者: from useless.db.midlevel.StatementCursor import fetchall [as 别名]
class BaseDatabase(object):
    def __init__(self, conn=None):
        if conn is None:
            self.conn = KonsultantConnection()
        else:
            self.conn = conn
        self.stmt = Statement()
        self.mcursor = StatementCursor(self.conn)
        
    def set_table(self, table):
        self.stmt.table = table

    def set_clause(self, items, cmp='=', join='and'):
        self.stmt.set_clause(items, cmp=cmp, join=join)

    def set_data(self, data):
        self.stmt.set(data)

    def set_fields(self, fields):
        self.stmt.fields = fields

    def delete(self, table=None, clause=None):
        query = self.stmt.delete(table=table, clause=clause)
        return self.mcursor.execute(query)

    def insert(self, table=None, data=None):
        query = self.stmt.insert(table=table, data=data)
        return self.mcursor.execute(query)

    def update(self, table=None, data=None, clause=None):
        query = self.stmt.update(table=table, data=data, clause=clause)
        return self.mcursor.execute(query)

    def select(self, fields=None, table=None, clause=None,
               group=None, having=None, order=None):
        query = self.stmt.select(fields=fields, table=table, clause=clause,
                                 group=group, having=having, order=order)
        self.mcursor.execute(query)
        return self.mcursor.fetchall()

    def select_row(self, fields=None, table=None, clause=None,
               group=None, having=None, order=None):
        query = self.stmt.select(fields=fields, table=table, clause=clause,
                                 group=group, having=having, order=order)
        self.mcursor.execute(query)
        rows = len(self.mcursor)
        if rows == 1:
            return self.mcursor.next()
        elif rows == 0:
            raise NoExistError
        else:
            raise Error, 'bad row count %s' % rows

    def clear(self, **args):
        self.stmt.clear(**args)

    def stdclause(self, data):
        return reduce(and_, [Eq(k, v) for k,v in data.items()])

    def insertData(self, idcol, table, data, commit=True):
        clause = self.stdclause(data)
        try:
            self.mcursor.select_row(fields=[idcol], table=table, clause=clause)
        except NoExistError:
            self.mcursor.insert(table=table, data=data)
            if commit:
                self.conn.commit()
            
    def identifyData(self, idcol, table, data, commit=True):
        clause = self.stdclause(data)
        self.insertData(idcol, table, data, commit=commit)
        return self.mcursor.select_row(fields=['*'], table=table, clause=clause)