示例#1
0
文件: flqpsql.py 项目: deavid/pineboo
    def recordInfo(self, tablename_or_query):
        if not self.isOpen():
            return None

        info = []

        if isinstance(tablename_or_query, str):
            tablename = tablename_or_query

            doc = QDomDocument(tablename)
            stream = self.db_.managerModules().contentCached("%s.mtd" % tablename)
            util = FLUtil()
            if not util.domDocumentSetContent(doc, stream):
                print("FLManager : " + qApp.tr("Error al cargar los metadatos para la tabla") + tablename)

                return self.recordInfo2(tablename)

            docElem = doc.documentElement()
            mtd = self.db_.manager().metadata(docElem, True)
            if not mtd:
                return self.recordInfo2(tablename)
            fL = mtd.fieldList()
            if not fL:
                del mtd
                return self.recordInfo2(tablename)

            for f in mtd.fieldsNames():
                field = mtd.field(f)
                info.append([field.name(), field.type(), not field.allowNull(), field.length(
                ), field.partDecimal(), field.defaultValue(), field.isPrimaryKey()])

            del mtd

        return info
示例#2
0
    def recordInfo(self, tablename_or_query):
        if not self.isOpen():
            return None

        info = []

        if isinstance(tablename_or_query, str):
            tablename = tablename_or_query

            doc = QDomDocument(tablename)
            stream = self.db_.managerModules().contentCached("%s.mtd" % tablename)
            util = FLUtil()
            if not util.domDocumentSetContent(doc, stream):
                print(
                    "FLManager : " + qApp.tr("Error al cargar los metadatos para la tabla %1").arg(tablename))

                return self.recordInfo2(tablename)

            docElem = doc.documentElement()
            mtd = self.db_.manager().metadata(docElem, True)
            if not mtd:
                return self.recordInfo2(tablename)
            fL = mtd.fieldList()
            if not fL:
                del mtd
                return self.recordInfo2(tablename)

            for f in mtd.fieldsNames():
                field = mtd.field(f)
                info.append([field.name(), field.type(), not field.allowNull(), field.length(
                ), field.partDecimal(), field.defaultValue(), field.isPrimaryKey()])

            del mtd

        return info
示例#3
0
    def recordInfo(self, tablename_or_query):
        if not self.isOpen():
            return None

        info = []

        if isinstance(tablename_or_query, str):
            tablename = tablename_or_query

            doc = QDomDocument(tablename)
            stream = self.db_.managerModules().contentCached("%s.mtd" %
                                                             tablename)
            util = FLUtil()
            if not util.domDocumentSetContent(doc, stream):
                print("FLManager : " +
                      qApp.tr("Error al cargar los metadatos para la tabla %1"
                              ).arg(tablename))

                return self.recordInfo2(tablename)

            docElem = doc.documentElement()
            mtd = self.db_.manager().metadata(docElem, True)
            if not mtd:
                return self.recordInfo2(tablename)
            fL = mtd.fieldList()
            if not fL:
                del mtd
                return self.recordInfo2(tablename)

            for f in mtd.fieldsNames():
                field = mtd.field(f)
                info.append([
                    field.name(),
                    field.type(), not field.allowNull(),
                    field.length(),
                    field.partDecimal(),
                    field.defaultValue(),
                    field.isPrimaryKey()
                ])

            del mtd
            return info

        else:
            for columns in tablename_or_query:
                fName = columns[1]
                fType = columns[2]
                fSize = 0
                fAllowNull = (columns[3] == 0)
                if fType.find("VARCHAR(") > -1:
                    fSize = int(fType[fType.find("(") + 1:len(fType) - 1])

                info.append(
                    [fName,
                     self.decodeSqlType(fType), not fAllowNull, fSize])

            return info
示例#4
0
    def recordInfo(self, tablename_or_query):
        if not self.isOpen():
            return None

        info = []

        if isinstance(tablename_or_query, str):
            tablename = tablename_or_query

            doc = QDomDocument(tablename)
            stream = self.db_.managerModules().contentCached("%s.mtd" % tablename)
            util = FLUtil()
            if not util.domDocumentSetContent(doc, stream):
                print(
                    "FLManager : " + qApp.tr("Error al cargar los metadatos para la tabla %1").arg(tablename))

                return self.recordInfo2(tablename)

            docElem = doc.documentElement()
            mtd = self.db_.manager().metadata(docElem, True)
            if not mtd:
                return self.recordInfo2(tablename)
            fL = mtd.fieldList()
            if not fL:
                del mtd
                return self.recordInfo2(tablename)

            for f in mtd.fieldsNames():
                field = mtd.field(f)
                info.append([field.name(), field.type(), not field.allowNull(), field.length(
                ), field.partDecimal(), field.defaultValue(), field.isPrimaryKey()])

            del mtd
            return info

        else:
            for columns in tablename_or_query:
                fName = columns[1]
                fType = columns[2]
                fSize = 0
                fAllowNull = (columns[3] == 0)
                if fType.find("VARCHAR(") > -1:
                    fSize = int(fType[fType.find("(") + 1: len(fType) - 1])

                info.append([fName, self.decodeSqlType(
                    fType), not fAllowNull, fSize])

            return info
示例#5
0
    def alterTable(self, mtd1, mtd2, key):
        util = FLUtil()

        oldMTD = None
        newMTD = None
        doc = QDomDocument("doc")
        docElem = None

        if not util.docDocumentSetContect(doc, mtd1):
            print("FLManager::alterTable : " +
                  qApp.tr("Error al cargar los metadatos."))
        else:
            docElem = doc.documentElement()
            oldMTD = self.db_.manager().metadata(docElem, True)

        if oldMTD and oldMTD.isQuery():
            return True

        if not util.docDocumentSetContect(doc, mtd2):
            print("FLManager::alterTable : " +
                  qApp.tr("Error al cargar los metadatos."))
            return False
        else:
            docElem = doc.documentElement()
            newMTD = self.db_.manager().metadata(docElem, True)

        if not oldMTD:
            oldMTD = newMTD

        if not oldMTD.name() == newMTD.name():
            print("FLManager::alterTable : " +
                  qApp.tr("Los nombres de las tablas nueva y vieja difieren."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        oldPK = oldMTD.primaryKey()
        newPK = newMTD.primaryKey()

        if not oldPK == newPK:
            print("FLManager::alterTable : " +
                  qApp.tr("Los nombres de las claves primarias difieren."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        if not self.db_.manager().checkMetaData(oldMTD, newMTD):
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return True

        if not self.db_.manager().existsTable(oldMTD.name()):
            print("FLManager::alterTable : " + qApp.tr(
                "La tabla %1 antigua de donde importar los registros no existe."
            ).arg(oldMTD.name()))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        fieldList = oldMTD.fieldList()
        oldField = None

        if not fieldList:
            print("FLManager::alterTable : " +
                  qApp.tr("Los antiguos metadatos no tienen campos."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        renameOld = "%salteredtable%s" % (oldMTD.name()[0:5], QDateTime(
        ).currentDateTime().toString("ddhhssz"))

        if not self.db_.dbAux():
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        self.db_.dbAux().transaction()

        if key and len(key) == 40:
            c = FLSqlCursor("flfiles", True, self.db_.dbAux())
            c.setForwardOnly(True)
            c.setFilter("nombre = '%s.mtd'" % renameOld)
            c.select()
            if not c.next():
                buffer = c.primeInsert()
                buffer.setValue("nombre", "%s.mtd" % renameOld)
                buffer.setValue("contenido", mtd1)
                buffer.setValue("sha", key)
                c.insert()

        q = FLSqlQuery("", self.db_.dbAux())
        if not q.exec_("CREATE TABLE %s AS SELECT * FROM %s;" %
                       (renameOld, oldMTD.name())) or not q.exec_(
                           "DROP TABLE %s;" % oldMTD.name()):
            print("FLManager::alterTable : " +
                  qApp.tr("No se ha podido renombrar la tabla antigua."))

            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        if not self.db_.manager().createTable(newMTD):
            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        oldCursor = FLSqlCursor(renameOld, True, self.db_.dbAux())
        oldCursor.setModeAccess(oldCursor.Browse)
        newCursor = FLSqlCursor(newMTD.name(), True, self.db_.dbAux())
        newCursor.setMode(newCursor.Insert)

        oldCursor.select()
        totalSteps = oldCursor.size()
        progress = QProgressDialog(
            qApp.tr("Reestructurando registros para %1...").arg(
                newMTD.alias()), qApp.tr("Cancelar"), 0, totalSteps)
        progress.setLabelText(qApp.tr("Tabla modificada"))

        step = 0
        newBuffer = None
        # sequence = ""
        fieldList = newMTD.fieldList()
        newField = None

        if not fieldList:
            print("FLManager::alterTable : " +
                  qApp.tr("Los nuevos metadatos no tienen campos."))
            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        v = None
        ok = True
        while oldCursor.next():
            v = None
            newBuffer = newCursor.primeInsert()

            for it in fieldList:
                oldField = oldMTD.field(newField.name())
                if not oldField or not oldCursor.field(oldField.name()):
                    if not oldField:
                        oldField = newField

                    v = newField.defaultValue()

                else:
                    v = oldCursor.value(newField.name())
                    if (not oldField.allowNull()
                            or not newField.allowNull()) and (v is None):
                        defVal = newField.defaultValue()
                        if defVal is not None:
                            v = defVal

                    if not newBuffer.field(
                            newField.name()).type() == newField.type():
                        print("FLManager::alterTable : " + qApp.tr(
                            "Los tipos del campo %1 no son compatibles. Se introducirá un valor nulo."
                        ).arg(newField.name()))

                if not oldField.allowNull(
                ) or not newField.allowNull() and v is not None:
                    if oldField.type() in ("int", "serial", "uint", "bool",
                                           "unlock"):
                        v = 0
                    elif oldField.type() == "double":
                        v = 0.0
                    elif oldField.type() == "time":
                        v = QTime().currentTime()
                    elif oldField.type() == "date":
                        v = QDate().currentDate()
                    else:
                        v = "NULL"[0:newField.length()]

                newBuffer.setValue(newField.name(), v)

            if not newCursor.insert():
                ok = False
                break
            step = step + 1
            progress.setProgress(step)

        progress.setProgress(totalSteps)
        if oldMTD and not oldMTD == newMTD:
            del oldMTD
        if newMTD:
            del newMTD

        if ok:
            self.db_.dbAux().commit()
        else:
            self.db_.dbAux().rollback()
            return False

        return True
示例#6
0
文件: flqpsql.py 项目: deavid/pineboo
    def alterTable2(self, mtd1, mtd2, key, force=False):

        util = FLUtil()

        oldMTD = None
        newMTD = None
        doc = QDomDocument("doc")
        docElem = None

        if not util.docDocumentSetContect(doc, mtd1):
            print("FLManager::alterTable : " +
                  qApp.tr("Error al cargar los metadatos."))
        else:
            docElem = doc.documentElement()
            oldMTD = self.db_.manager().metadata(docElem, True)

        if oldMTD and oldMTD.isQuery():
            return True

        if not util.docDocumentSetContect(doc, mtd2):
            print("FLManager::alterTable : " +
                  qApp.tr("Error al cargar los metadatos."))
            return False
        else:
            docElem = doc.documentElement()
            newMTD = self.db_.manager().metadata(docElem, True)

        if not oldMTD:
            oldMTD = newMTD

        if not oldMTD.name() == newMTD.name():
            print("FLManager::alterTable : " +
                  qApp.tr("Los nombres de las tablas nueva y vieja difieren."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        oldPK = oldMTD.primaryKey()
        newPK = newMTD.primaryKey()

        if not oldPK == newPK:
            print("FLManager::alterTable : " +
                  qApp.tr("Los nombres de las claves primarias difieren."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        if not self.db_.manager().checkMetaData(oldMTD, newMTD):
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return True

        if not self.db_.manager().existsTable(oldMTD.name()):
            print("FLManager::alterTable : " + qApp.tr(
                "La tabla %1 antigua de donde importar los registros no existe.").arg(oldMTD.name()))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        fieldList = oldMTD.fieldList()
        oldField = None

        if not fieldList:
            print("FLManager::alterTable : " +
                  qApp.tr("Los antiguos metadatos no tienen campos."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        renameOld = "%salteredtable%s" % (
            oldMTD.name()[0:5], QDateTime().currentDateTime().toString("ddhhssz"))

        if not self.db_.dbAux():
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        self.db_.dbAux().transaction()

        if key and len(key) == 40:
            c = FLSqlCursor("flfiles", True, self.db_.dbAux())
            c.setForwardOnly(True)
            c.setFilter("nombre = '%s.mtd'" % renameOld)
            c.select()
            if not c.next():
                buffer = c.primeInsert()
                buffer.setValue("nombre", "%s.mtd" % renameOld)
                buffer.setValue("contenido", mtd1)
                buffer.setValue("sha", key)
                c.insert()

        q = FLSqlQuery("", self.db_.dbAux())
        constraintName = "%s_pkey" % oldMTD.name()

        if self.constraintExists(constraintName) and not q.exec_("ALTER TABLE %s DROP CONSTRAINT %s" % (oldMTD.name(), constraintName)):
            print("FLManager : " + qApp.tr("En método alterTable, no se ha podido borrar el índice %1_pkey de la tabla antigua.").arg(oldMTD.name()))
            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        fieldsNamesOld = []
        for it in fieldList:
            if newMTD.field(it.name()):
                fieldsNamesOld.append(it.name())

            if it.isUnique():
                constraintName = "%s_%s_key" % (oldMTD.name(), it.name())
                if self.constraintExists(constraintName) and not q.exec_("ALTER TABLE %s DROP CONSTRAINT %s" % (oldMTD.name(), constraintName)):
                    print("FLManager : " + qApp.tr("En método alterTable, no se ha podido borrar el índice %1_%2_key de la tabla antigua.")
                          .arg(oldMTD.name(), oldField.name()))
                    self.db_.dbAux().rollback()
                    if oldMTD and not oldMTD == newMTD:
                        del oldMTD
                    if newMTD:
                        del newMTD

                    return False

        if not q.exec_("ALTER TABLE %s RENAME TO %s" % (oldMTD.name(), renameOld)):
            print("FLManager::alterTable : " +
                  qApp.tr("No se ha podido renombrar la tabla antigua."))

            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        if not self.db_.manager().createTable(newMTD):
            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        v = None
        ok = False

        if not force and not fieldsNamesOld:
            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return self.alterTable2(mtd1, mtd2, key, True)

        oldCursor = FLSqlCursor(renameOld, True, self.db_.dbAux())
        oldCursor.setModeAccess(oldCursor.Browse)
        newCursor = FLSqlCursor(newMTD.name(), True, self.db_.dbAux())
        newCursor.setMode(newCursor.Insert)

        oldCursor.select()
        totalSteps = oldCursor.size()
        progress = QProgressDialog(qApp.tr("Reestructurando registros para %1...").arg(
            newMTD.alias()), qApp.tr("Cancelar"), 0, totalSteps)
        progress.setLabelText(qApp.tr("Tabla modificada"))

        step = 0
        newBuffer = None
        newField = None
        listRecords = []
        newBufferInfo = self.recordInfo2(newMTD.name())
        oldFieldsList = {}
        newFieldsList = {}
        defValues = {}
        v = None

        for newField in fieldList:
            oldField = oldMTD.field(newField.name())
            defValues[str(step)] = None
            if not oldField or not oldCursor.field(oldField.name()):
                if not oldField:
                    oldField = newField
                if not newField.type() == "serial":
                    v = newField.defaultValue()
                    defValues[str(step)] = v

            newFieldsList[str(step)] = newField
            oldFieldsList[str(step)] = oldField
            step = step + 1

        step = 0
        ok = True
        while oldCursor.next():
            newBuffer = newBufferInfo

            for reg in defValues.keys():
                newField = newFieldsList[reg]
                oldField = oldFieldsList[reg]
                if defValues[reg]:
                    v = defValues[reg]
                else:
                    v = oldCursor.value(newField.name())
                    if (not oldField.allowNull or not newField.allowNull()) and not v and not newField.type() == "serial":
                        defVal = newField.defaultValue()
                        if defVal is not None:
                            v = defVal

                    if v is not None and not newBuffer.field(newField.name()).type() == newField.type():
                        print("FLManager::alterTable : " + qApp.tr(
                            "Los tipos del campo %1 no son compatibles. Se introducirá un valor nulo.").arg(newField.name()))

                if v is not None and newField.type() == "string" and newField.length() > 0:
                    v = str(v)[0:newField.length()]

                if (not oldField.allowNull() or not newField.allowNull()) and v is None:
                    if oldField.type() == "serial":
                        v = int(self.nextSerialVal(
                            newMTD.name(), newField.name()))
                    elif oldField.type() in ("int", "uint", "bool", "unlock"):
                        v = 0
                    elif oldField.type() == "double":
                        v = 0.0
                    elif oldField.type() == "time":
                        v = QTime().currentTime()
                    elif oldField.type() == "date":
                        v = QDate().currentDate()
                    else:
                        v = "NULL"[0:newField.length()]

                newBuffer.setValue(newField.name(), v)

            listRecords.append(newBuffer)

            if not self.insertMulti(newMTD.name(), listRecords):
                ok = False
                listRecords.clear()
                break

            listRecords.clear()

        if len(listRecords) > 0:
            if not self.insertMulti(newMTD.name(), listRecords):
                ok = False
            listRecords.clear()

        progress.setProgress(totalSteps)

        if oldMTD and not oldMTD == newMTD:
            del oldMTD

        if newMTD:
            del newMTD

        if ok:
            self.db_.dbAux().commit()
        else:
            self.db_.dbAux().rollback()
            return False

        if force and ok:
            q.exec_("DROP TABLE %s CASCADE" % renameOld)

        return True
示例#7
0
文件: flqpsql.py 项目: deavid/pineboo
    def alterTable3(self, newMTD):
        if self.hasCheckColumn(newMTD):
            return False

        oldMTD = newMTD
        fieldList = oldMTD.fieldList()

        renameOld = "%salteredtable%s" % (
            oldMTD.name()[0:5], QDateTime().currentDateTime().toString("ddhhssz"))

        self.db_.dbAux().transaction()

        q = FLSqlQuery(None, self.db_.dbAux())

        constraintName = "%s_key" % oldMTD.name()

        if self.constraintExists(constraintName) and not q.exec_("ALTER TABLE %s DROP CONSTRAINT %s" % (oldMTD.name(), constraintName)):
            self.db_.dbAux().rollback()
            return False

        for oldField in fieldList:
            if oldField.isCheck():
                return False
            if oldField.isUnique():
                constraintName = "%s_%s_key" % (oldMTD.name(), oldField.name())
                if self.constraintExists(constraintName) and not q.exec_("ALTER TABLE %s DROP CONSTRAINT %s" % (oldMTD.name(), constraintName)):
                    self.db_.dbAux().rollback()
                    return False

        if not q.exec_("ALTER TABLE %s RENAME TO %s" % (oldMTD.name(), renameOld)):
            self.db_.dbAux().rollback()
            return False

        if not self.db_.manager().createTable(newMTD):
            self.db_.dbAux().rollback()
            return False

        oldCursor = FLSqlCursor(renameOld, True, self.db_.dbAux())
        oldCursor.setModeAccess(oldCursor.Browse)
        oldCursor.select()

        fieldList = newMTD.fieldList()

        if not fieldList:
            self.db_.dbAux().rollback()
            return False

        oldCursor.select()
        totalSteps = oldCursor.size()
        progress = QProgressDialog(qApp.tr("Reestructurando registros para %1...").arg(
            newMTD.alias()), qApp.tr("Cancelar"), 0, totalSteps)
        progress.setLabelText(qApp.tr("Tabla modificada"))

        step = 0
        newBuffer = None
        newField = None
        listRecords = []
        newBufferInfo = self.recordInfo2(newMTD.name())
        oldFieldsList = {}
        newFieldsList = {}
        defValues = {}
        v = None

        for newField in fieldList:
            oldField = oldMTD.field(newField.name())
            defValues[str(step)] = None
            if not oldField or not oldCursor.field(oldField.name()):
                if not oldField:
                    oldField = newField
                if not newField.type() == "serial":
                    v = newField.defaultValue()
                    defValues[str(step)] = v

            newFieldsList[str(step)] = newField
            oldFieldsList[str(step)] = oldField
            step = step + 1

        ok = True
        while oldCursor.next():
            newBuffer = newBufferInfo

            for reg in defValues.keys():
                newField = newFieldsList[reg]
                oldField = oldFieldsList[reg]
                if defValues[reg]:
                    v = defValues[reg]
                else:
                    v = oldCursor.value(newField.name())
                    if (not oldField.allowNull or not newField.allowNull()) and not v and not newField.type() == "serial":
                        defVal = newField.defaultValue()
                        if defVal is not None:
                            v = defVal

                    if v is not None and not newBuffer.field(newField.name()).type() == newField.type():
                        print("FLManager::alterTable : " + qApp.tr(
                            "Los tipos del campo %1 no son compatibles. Se introducirá un valor nulo.").arg(newField.name()))

                    if v is not None and newField.type() == "string" and newField.length() > 0:
                        v = str(v)[0:newField.length()]

                    if (not oldField.allowNull() or not newField.allowNull()) and v is None:
                        if oldField.type() == "serial":
                            v = int(self.nextSerialVal(
                                newMTD.name(), newField.name()))
                        elif oldField.type() in ("int", "uint", "bool", "unlock"):
                            v = 0
                        elif oldField.type() == "double":
                            v = 0.0
                        elif oldField.type() == "time":
                            v = QTime().currentTime()
                        elif oldField.type() == "date":
                            v = QDate().currentDate()
                        else:
                            v = "NULL"[0:newField.length()]

                    newBuffer.setValue(newField.name(), v)

                listRecords.append(newBuffer)

            # if not self.insertMulti(newMTD.name(), listRecords):
            #    ok = False
            #    listRecords.clear()
            #    break

            # listRecords.clear()

        if len(listRecords) > 0:
            if not self.insertMulti(newMTD.name(), listRecords):
                ok = False
            listRecords.clear()

        if ok:
            self.db_.dbAux().commit()
        else:
            self.db_.dbAux().rollback()
            return False

        force = False  # FIXME
        if force and ok:
            q.exec_("DROP TABLE %s CASCADE" % renameOld)
        return True
示例#8
0
    def alterTable(self, mtd1, mtd2, key):
        util = FLUtil()

        oldMTD = None
        newMTD = None
        doc = QDomDocument("doc")
        docElem = None

        if not util.docDocumentSetContect(doc, mtd1):
            print("FLManager::alterTable : " +
                  qApp.tr("Error al cargar los metadatos."))
        else:
            docElem = doc.documentElement()
            oldMTD = self.db_.manager().metadata(docElem, True)

        if oldMTD and oldMTD.isQuery():
            return True

        if not util.docDocumentSetContect(doc, mtd2):
            print("FLManager::alterTable : " +
                  qApp.tr("Error al cargar los metadatos."))
            return False
        else:
            docElem = doc.documentElement()
            newMTD = self.db_.manager().metadata(docElem, True)

        if not oldMTD:
            oldMTD = newMTD

        if not oldMTD.name() == newMTD.name():
            print("FLManager::alterTable : " +
                  qApp.tr("Los nombres de las tablas nueva y vieja difieren."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        oldPK = oldMTD.primaryKey()
        newPK = newMTD.primaryKey()

        if not oldPK == newPK:
            print("FLManager::alterTable : " +
                  qApp.tr("Los nombres de las claves primarias difieren."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        if not self.db_.manager().checkMetaData(oldMTD, newMTD):
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return True

        if not self.db_.manager().existsTable(oldMTD.name()):
            print("FLManager::alterTable : " + qApp.tr(
                "La tabla %1 antigua de donde importar los registros no existe.").arg(oldMTD.name()))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        fieldList = oldMTD.fieldList()
        oldField = None

        if not fieldList:
            print("FLManager::alterTable : " +
                  qApp.tr("Los antiguos metadatos no tienen campos."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        renameOld = "%salteredtable%s" % (
            oldMTD.name()[0:5], QDateTime().currentDateTime().toString("ddhhssz"))

        if not self.db_.dbAux():
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        self.db_.dbAux().transaction()

        if key and len(key) == 40:
            c = FLSqlCursor("flfiles", True, self.db_.dbAux())
            c.setForwardOnly(True)
            c.setFilter("nombre = '%s.mtd'" % renameOld)
            c.select()
            if not c.next():
                buffer = c.primeInsert()
                buffer.setValue("nombre", "%s.mtd" % renameOld)
                buffer.setValue("contenido", mtd1)
                buffer.setValue("sha", key)
                c.insert()

        q = FLSqlQuery("", self.db_.dbAux())
        if not q.exec_("CREATE TABLE %s AS SELECT * FROM %s;" % (renameOld, oldMTD.name())) or not q.exec_("DROP TABLE %s;" % oldMTD.name()):
            print("FLManager::alterTable : " +
                  qApp.tr("No se ha podido renombrar la tabla antigua."))

            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        if not self.db_.manager().createTable(newMTD):
            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        oldCursor = FLSqlCursor(renameOld, True, self.db_.dbAux())
        oldCursor.setModeAccess(oldCursor.Browse)
        newCursor = FLSqlCursor(newMTD.name(), True, self.db_.dbAux())
        newCursor.setMode(newCursor.Insert)

        oldCursor.select()
        totalSteps = oldCursor.size()
        progress = QProgressDialog(qApp.tr("Reestructurando registros para %1...").arg(
            newMTD.alias()), qApp.tr("Cancelar"), 0, totalSteps)
        progress.setLabelText(qApp.tr("Tabla modificada"))

        step = 0
        newBuffer = None
        # sequence = ""
        fieldList = newMTD.fieldList()
        newField = None

        if not fieldList:
            print("FLManager::alterTable : " +
                  qApp.tr("Los nuevos metadatos no tienen campos."))
            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        v = None
        ok = True
        while oldCursor.next():
            v = None
            newBuffer = newCursor.primeInsert()

            for it in fieldList:
                oldField = oldMTD.field(newField.name())
                if not oldField or not oldCursor.field(oldField.name()):
                    if not oldField:
                        oldField = newField

                    v = newField.defaultValue()

                else:
                    v = oldCursor.value(newField.name())
                    if (not oldField.allowNull() or not newField.allowNull()) and (v is None):
                        defVal = newField.defaultValue()
                        if defVal is not None:
                            v = defVal

                    if not newBuffer.field(newField.name()).type() == newField.type():
                        print("FLManager::alterTable : " + qApp.tr("Los tipos del campo %1 no son compatibles. Se introducirá un valor nulo.")
                              .arg(newField.name()))

                if not oldField.allowNull() or not newField.allowNull() and v is not None:
                    if oldField.type() in ("int", "serial", "uint", "bool", "unlock"):
                        v = 0
                    elif oldField.type() == "double":
                        v = 0.0
                    elif oldField.type() == "time":
                        v = QTime().currentTime()
                    elif oldField.type() == "date":
                        v = QDate().currentDate()
                    else:
                        v = "NULL"[0:newField.length()]

                newBuffer.setValue(newField.name(), v)

            if not newCursor.insert():
                ok = False
                break
            step = step + 1
            progress.setProgress(step)

        progress.setProgress(totalSteps)
        if oldMTD and not oldMTD == newMTD:
            del oldMTD
        if newMTD:
            del newMTD

        if ok:
            self.db_.dbAux().commit()
        else:
            self.db_.dbAux().rollback()
            return False

        return True
示例#9
0
    def alterTable2(self, mtd1, mtd2, key, force=False):

        util = FLUtil()

        oldMTD = None
        newMTD = None
        doc = QDomDocument("doc")
        docElem = None

        if not util.docDocumentSetContect(doc, mtd1):
            print("FLManager::alterTable : " +
                  qApp.tr("Error al cargar los metadatos."))
        else:
            docElem = doc.documentElement()
            oldMTD = self.db_.manager().metadata(docElem, True)

        if oldMTD and oldMTD.isQuery():
            return True

        if not util.docDocumentSetContect(doc, mtd2):
            print("FLManager::alterTable : " +
                  qApp.tr("Error al cargar los metadatos."))
            return False
        else:
            docElem = doc.documentElement()
            newMTD = self.db_.manager().metadata(docElem, True)

        if not oldMTD:
            oldMTD = newMTD

        if not oldMTD.name() == newMTD.name():
            print("FLManager::alterTable : " +
                  qApp.tr("Los nombres de las tablas nueva y vieja difieren."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        oldPK = oldMTD.primaryKey()
        newPK = newMTD.primaryKey()

        if not oldPK == newPK:
            print("FLManager::alterTable : " +
                  qApp.tr("Los nombres de las claves primarias difieren."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        if not self.db_.manager().checkMetaData(oldMTD, newMTD):
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return True

        if not self.db_.manager().existsTable(oldMTD.name()):
            print("FLManager::alterTable : " + qApp.tr(
                "La tabla %1 antigua de donde importar los registros no existe."
            ).arg(oldMTD.name()))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        fieldList = oldMTD.fieldList()
        oldField = None

        if not fieldList:
            print("FLManager::alterTable : " +
                  qApp.tr("Los antiguos metadatos no tienen campos."))
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        renameOld = "%salteredtable%s" % (oldMTD.name()[0:5], QDateTime(
        ).currentDateTime().toString("ddhhssz"))

        if not self.db_.dbAux():
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        self.db_.dbAux().transaction()

        if key and len(key) == 40:
            c = FLSqlCursor("flfiles", True, self.db_.dbAux())
            c.setForwardOnly(True)
            c.setFilter("nombre = '%s.mtd'" % renameOld)
            c.select()
            if not c.next():
                buffer = c.primeInsert()
                buffer.setValue("nombre", "%s.mtd" % renameOld)
                buffer.setValue("contenido", mtd1)
                buffer.setValue("sha", key)
                c.insert()

        q = FLSqlQuery("", self.db_.dbAux())
        constraintName = "%s_pkey" % oldMTD.name()

        if self.constraintExists(constraintName) and not q.exec_(
                "ALTER TABLE %s DROP CONSTRAINT %s" %
            (oldMTD.name(), constraintName)):
            print("FLManager : " + qApp.tr(
                "En método alterTable, no se ha podido borrar el índice %1_pkey de la tabla antigua."
            ).arg(oldMTD.name()))
            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        fieldsNamesOld = []
        for it in fieldList:
            if newMTD.field(it.name()):
                fieldsNamesOld.append(it.name())

            if it.isUnique():
                constraintName = "%s_%s_key" % (oldMTD.name(), it.name())
                if self.constraintExists(constraintName) and not q.exec_(
                        "ALTER TABLE %s DROP CONSTRAINT %s" %
                    (oldMTD.name(), constraintName)):
                    print("FLManager : " + qApp.tr(
                        "En método alterTable, no se ha podido borrar el índice %1_%2_key de la tabla antigua."
                    ).arg(oldMTD.name(), oldField.name()))
                    self.db_.dbAux().rollback()
                    if oldMTD and not oldMTD == newMTD:
                        del oldMTD
                    if newMTD:
                        del newMTD

                    return False

        if not q.exec_("ALTER TABLE %s RENAME TO %s" %
                       (oldMTD.name(), renameOld)):
            print("FLManager::alterTable : " +
                  qApp.tr("No se ha podido renombrar la tabla antigua."))

            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        if not self.db_.manager().createTable(newMTD):
            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return False

        v = None
        ok = False

        if not force and not fieldsNamesOld:
            self.db_.dbAux().rollback()
            if oldMTD and not oldMTD == newMTD:
                del oldMTD
            if newMTD:
                del newMTD

            return self.alterTable2(mtd1, mtd2, key, True)

        oldCursor = FLSqlCursor(renameOld, True, self.db_.dbAux())
        oldCursor.setModeAccess(oldCursor.Browse)
        newCursor = FLSqlCursor(newMTD.name(), True, self.db_.dbAux())
        newCursor.setMode(newCursor.Insert)

        oldCursor.select()
        totalSteps = oldCursor.size()
        progress = QProgressDialog(
            qApp.tr("Reestructurando registros para %1...").arg(
                newMTD.alias()), qApp.tr("Cancelar"), 0, totalSteps)
        progress.setLabelText(qApp.tr("Tabla modificada"))

        step = 0
        newBuffer = None
        newField = None
        listRecords = []
        newBufferInfo = self.recordInfo2(newMTD.name())
        oldFieldsList = {}
        newFieldsList = {}
        defValues = {}
        v = None

        for newField in fieldList:
            oldField = oldMTD.field(newField.name())
            defValues[str(step)] = None
            if not oldField or not oldCursor.field(oldField.name()):
                if not oldField:
                    oldField = newField
                if not newField.type() == "serial":
                    v = newField.defaultValue()
                    defValues[str(step)] = v

            newFieldsList[str(step)] = newField
            oldFieldsList[str(step)] = oldField
            step = step + 1

        step = 0
        ok = True
        while oldCursor.next():
            newBuffer = newBufferInfo

            for reg in defValues.keys():
                newField = newFieldsList[reg]
                oldField = oldFieldsList[reg]
                if defValues[reg]:
                    v = defValues[reg]
                else:
                    v = oldCursor.value(newField.name())
                    if (not oldField.allowNull or not newField.allowNull()
                        ) and not v and not newField.type() == "serial":
                        defVal = newField.defaultValue()
                        if defVal is not None:
                            v = defVal

                    if v is not None and not newBuffer.field(
                            newField.name()).type() == newField.type():
                        print("FLManager::alterTable : " + qApp.tr(
                            "Los tipos del campo %1 no son compatibles. Se introducirá un valor nulo."
                        ).arg(newField.name()))

                if v is not None and newField.type(
                ) == "string" and newField.length() > 0:
                    v = str(v)[0:newField.length()]

                if (not oldField.allowNull()
                        or not newField.allowNull()) and v is None:
                    if oldField.type() == "serial":
                        v = int(
                            self.nextSerialVal(newMTD.name(), newField.name()))
                    elif oldField.type() in ("int", "uint", "bool", "unlock"):
                        v = 0
                    elif oldField.type() == "double":
                        v = 0.0
                    elif oldField.type() == "time":
                        v = QTime().currentTime()
                    elif oldField.type() == "date":
                        v = QDate().currentDate()
                    else:
                        v = "NULL"[0:newField.length()]

                newBuffer.setValue(newField.name(), v)

            listRecords.append(newBuffer)

            if not self.insertMulti(newMTD.name(), listRecords):
                ok = False
                listRecords.clear()
                break

            listRecords.clear()

        if len(listRecords) > 0:
            if not self.insertMulti(newMTD.name(), listRecords):
                ok = False
            listRecords.clear()

        progress.setProgress(totalSteps)

        if oldMTD and not oldMTD == newMTD:
            del oldMTD

        if newMTD:
            del newMTD

        if ok:
            self.db_.dbAux().commit()
        else:
            self.db_.dbAux().rollback()
            return False

        if force and ok:
            q.exec_("DROP TABLE %s CASCADE" % renameOld)

        return True
示例#10
0
    def alterTable3(self, newMTD):
        if self.hasCheckColumn(newMTD):
            return False

        oldMTD = newMTD
        fieldList = oldMTD.fieldList()

        renameOld = "%salteredtable%s" % (oldMTD.name()[0:5], QDateTime(
        ).currentDateTime().toString("ddhhssz"))

        self.db_.dbAux().transaction()

        q = FLSqlQuery(None, self.db_.dbAux())

        constraintName = "%s_key" % oldMTD.name()

        if self.constraintExists(constraintName) and not q.exec_(
                "ALTER TABLE %s DROP CONSTRAINT %s" %
            (oldMTD.name(), constraintName)):
            self.db_.dbAux().rollback()
            return False

        for oldField in fieldList:
            if oldField.isCheck():
                return False
            if oldField.isUnique():
                constraintName = "%s_%s_key" % (oldMTD.name(), oldField.name())
                if self.constraintExists(constraintName) and not q.exec_(
                        "ALTER TABLE %s DROP CONSTRAINT %s" %
                    (oldMTD.name(), constraintName)):
                    self.db_.dbAux().rollback()
                    return False

        if not q.exec_("ALTER TABLE %s RENAME TO %s" %
                       (oldMTD.name(), renameOld)):
            self.db_.dbAux().rollback()
            return False

        if not self.db_.manager().createTable(newMTD):
            self.db_.dbAux().rollback()
            return False

        oldCursor = FLSqlCursor(renameOld, True, self.db_.dbAux())
        oldCursor.setModeAccess(oldCursor.Browse)
        oldCursor.select()

        fieldList = newMTD.fieldList()

        if not fieldList:
            self.db_.dbAux().rollback()
            return False

        oldCursor.select()
        totalSteps = oldCursor.size()
        progress = QProgressDialog(
            qApp.tr("Reestructurando registros para %1...").arg(
                newMTD.alias()), qApp.tr("Cancelar"), 0, totalSteps)
        progress.setLabelText(qApp.tr("Tabla modificada"))

        step = 0
        newBuffer = None
        newField = None
        listRecords = []
        newBufferInfo = self.recordInfo2(newMTD.name())
        oldFieldsList = {}
        newFieldsList = {}
        defValues = {}
        v = None

        for newField in fieldList:
            oldField = oldMTD.field(newField.name())
            defValues[str(step)] = None
            if not oldField or not oldCursor.field(oldField.name()):
                if not oldField:
                    oldField = newField
                if not newField.type() == "serial":
                    v = newField.defaultValue()
                    defValues[str(step)] = v

            newFieldsList[str(step)] = newField
            oldFieldsList[str(step)] = oldField
            step = step + 1

        ok = True
        while oldCursor.next():
            newBuffer = newBufferInfo

            for reg in defValues.keys():
                newField = newFieldsList[reg]
                oldField = oldFieldsList[reg]
                if defValues[reg]:
                    v = defValues[reg]
                else:
                    v = oldCursor.value(newField.name())
                    if (not oldField.allowNull or not newField.allowNull()
                        ) and not v and not newField.type() == "serial":
                        defVal = newField.defaultValue()
                        if defVal is not None:
                            v = defVal

                    if v is not None and not newBuffer.field(
                            newField.name()).type() == newField.type():
                        print("FLManager::alterTable : " + qApp.tr(
                            "Los tipos del campo %1 no son compatibles. Se introducirá un valor nulo."
                        ).arg(newField.name()))

                    if v is not None and newField.type(
                    ) == "string" and newField.length() > 0:
                        v = str(v)[0:newField.length()]

                    if (not oldField.allowNull()
                            or not newField.allowNull()) and v is None:
                        if oldField.type() == "serial":
                            v = int(
                                self.nextSerialVal(newMTD.name(),
                                                   newField.name()))
                        elif oldField.type() in ("int", "uint", "bool",
                                                 "unlock"):
                            v = 0
                        elif oldField.type() == "double":
                            v = 0.0
                        elif oldField.type() == "time":
                            v = QTime().currentTime()
                        elif oldField.type() == "date":
                            v = QDate().currentDate()
                        else:
                            v = "NULL"[0:newField.length()]

                    newBuffer.setValue(newField.name(), v)

                listRecords.append(newBuffer)

            # if not self.insertMulti(newMTD.name(), listRecords):
            #    ok = False
            #    listRecords.clear()
            #    break

            # listRecords.clear()

        if len(listRecords) > 0:
            if not self.insertMulti(newMTD.name(), listRecords):
                ok = False
            listRecords.clear()

        if ok:
            self.db_.dbAux().commit()
        else:
            self.db_.dbAux().rollback()
            return False

        force = False  # FIXME
        if force and ok:
            q.exec_("DROP TABLE %s CASCADE" % renameOld)
        return True