def _insertRequest(self, tableId, contextId, **kwargs):
"""Insert into the input table using the keyword value pairs provided as input arguments -
The contextId controls the handling default values for unspecified parameters.
"""
startTime = time.time()
if self.__debug:
logger.info("Starting at %s\n",
time.strftime("%Y %m %d %H:%M:%S", time.localtime()))
ret = False
try:
iOpened = False
if self.__dbCon is None:
self._open()
iOpened = True
#
tableDefObj = self.__sD.getSchemaObject(tableId)
#
myQ = MyDbQuery(dbcon=self.__dbCon, verbose=self.__verbose)
myAd = SqlGenAdmin(self.__verbose)
defaultValD = self._getParameterDefaultValues(contextId=contextId)
#
# Create the attribute and value list for template --
#
vList = []
aList = []
for atId, kwId in self._getAttributeParameterMap(tableId=tableId):
if kwId in kwargs and kwargs[kwId] is not None:
vList.append(kwargs[kwId])
aList.append(atId)
else:
# use the default values if these exist
if kwId in defaultValD and defaultValD[kwId] is not None:
vList.append(defaultValD[kwId])
aList.append(atId)
else:
# appropriate null handling -- all fields must be assigned on insert --
vList.append(tableDefObj.getAppNullValue(atId))
aList.append(atId)
sqlT = myAd.idInsertTemplateSQL(self.__databaseName,
tableDefObj,
insertAttributeIdList=aList)
if self.__debug:
logger.info("aList %d vList %d\n", len(aList), len(vList))
logger.info("insert template sql=\n%s\n", sqlT)
logger.info("insert values vList=\n%r\n", vList)
# sqlC = sqlT % vList
# logger.info("insert sql command =\n%s\n", sqlC)
ret = myQ.sqlTemplateCommand(sqlTemplate=sqlT, valueList=vList)
if iOpened:
self._close()
except Exception as e:
status = " insert operation error " + str(e)
logger.info("status %s\n", status)
if self.__verbose:
logger.exception("Failing with %s", str(e))
if self.__debug:
endTime = time.time()
logger.info("Completed %s (%.3f seconds)\n",
time.strftime("%Y %m %d %H:%M:%S", time.localtime()),
endTime - startTime)
return ret
def __cockroachInsertImport(self, tableId, rowList=None, containerNameList=None, deleteOpt="selected", sqlMode="many"):
"""Load the input table using sql cockroach templated inserts of the input rowlist of dictionaries (i.e. d[attributeId]=value).
The containerNameList corresponding to the data within loadable data in rowList can be provided
if 'selected' deletions are to performed prior to the the batch data inserts.
deleteOpt = ['selected','all'] where 'selected' deletes rows corresponding to the input container
list before insert. The 'all' options truncates the table prior to insert.
Deletions are performed in the absence of loadable data.
Args:
tableId (TYPE): Description
rowList (None, optional): Description
containerNameList (None, optional): Description
deleteOpt (str, optional): Description
sqlMode (str, optional): Description
Returns:
TYPE: Description
"""
startTime = time.time()
crQ = CockroachDbQuery(dbcon=self.__dbCon, verbose=self.__verbose)
sqlGen = SqlGenAdmin(self.__verbose)
#
databaseName = self.__sD.getVersionedDatabaseName()
tableDefObj = self.__sD.getTable(tableId)
tableName = tableDefObj.getName()
tableAttributeIdList = tableDefObj.getAttributeIdList()
tableAttributeNameList = tableDefObj.getAttributeNameList()
#
sqlDeleteList = None
if deleteOpt in ["selected", "delete"] and containerNameList is not None:
deleteAttributeName = tableDefObj.getDeleteAttributeName()
logger.debug("tableName %s delete attribute %s", tableName, deleteAttributeName)
sqlDeleteList = sqlGen.deleteFromListSQL(databaseName, tableName, deleteAttributeName, containerNameList, chunkSize=10)
# logger.debug("Delete SQL for %s : %r" % (tableId, sqlDeleteList))
elif deleteOpt in ["all", "truncate"]:
sqlDeleteList = [sqlGen.truncateTableSQL(databaseName, tableName)]
#
lenC = len(rowList)
logger.debug("Deleting from table %s length %d", tableName, lenC)
crQ.sqlCommandList(sqlDeleteList)
endTime1 = time.time()
logger.debug("Deleting succeeds for table %s %d rows at %s (%.3f seconds)", tableName, lenC, time.strftime("%Y %m %d %H:%M:%S", time.localtime()), endTime1 - startTime)
logger.debug("Delete commands %s", sqlDeleteList)
if not rowList:
logger.debug("Skipping insert for table %s length %d", tableName, len(containerNameList))
return True
#
logger.debug("Insert begins for table %s with row length %d", tableName, len(rowList))
sqlInsertList = []
tupL = list(zip(tableAttributeIdList, tableAttributeNameList))
if sqlMode == "many":
aList = []
for tId, nm in tupL:
aList.append(tId)
#
vLists = []
for row in rowList:
vList = []
for tId, nm in tupL:
if row[tId] and row[tId] != r"\N":
vList.append(row[tId])
else:
vList.append(None)
vLists.append(vList)
#
ret = crQ.sqlTemplateCommandMany(sqlTemplate=sqlGen.idInsertTemplateSQL(databaseName, tableDefObj, aList), valueLists=vLists)
endTime = time.time()
if ret:
logger.debug("Insert succeeds for table %s %d rows at %s (%.3f seconds)", tableName, lenC, time.strftime("%Y %m %d %H:%M:%S", time.localtime()), endTime - endTime1)
else:
logger.error("Insert fails for table %s %d rows at %s (%.3f seconds)", tableName, lenC, time.strftime("%Y %m %d %H:%M:%S", time.localtime()), endTime - endTime1)
else:
lenT = -1
lenR = -1
aList = []
for tId, nm in tupL:
aList.append(nm)
#
for row in rowList:
vList = []
for tId, nm in tupL:
if row[tId] is not None and row[tId] != r"\N":
vList.append(row[tId])
else:
vList.append(None)
sqlInsertList.append((sqlGen.insertTemplateSQL(databaseName, tableName, aList), vList))
#
lenT = len(sqlInsertList)
lenR = crQ.sqlTemplateCommandList(sqlInsertList)
#
ret = lenR == lenT
endTime = time.time()
if ret:
logger.debug(
"Insert succeeds for table %s %d of %d rows at %s (%.3f seconds)",
tableName,
lenR,
lenT,
time.strftime("%Y %m %d %H:%M:%S", time.localtime()),
endTime - endTime1,
)
else:
logger.error(
"Insert fails for table %s %d of %d rows at %s (%.3f seconds)", tableName, lenR, lenT, time.strftime("%Y %m %d %H:%M:%S", time.localtime()), endTime - endTime1
)
return ret
