def __init_grouping(self, result_col, cols):
aggcol = None
if not result_col is None:
# Setup new column name
aggcol = utils.to_safe(self.name, len(self.labels))
self.labels[aggcol] = [result_col]
self.reverse_labels[result_col] = aggcol
# Find real column names
realcols = []
for col in cols:
try:
realcols.append(self.reverse_labels[col])
except KeyError:
raise InvalidInstructionException("Couldn't find column \"" + col + "\"")
return aggcol, realcols
def __init_grouping(self, result_col, cols):
aggcol = None
if not result_col is None:
# Setup new column name
aggcol = utils.to_safe(self.name, len(self.labels))
self.labels[aggcol] = [result_col]
self.reverse_labels[result_col] = aggcol
# Find real column names
realcols = []
for col in cols:
try:
realcols.append(self.reverse_labels[col])
except KeyError:
raise InvalidInstructionException("Couldn't find column \"" +
col + "\"")
return aggcol, realcols
def __setup_names(self):
"""Rebuilds all column names to put them into the form __<tablename>_<idx>"""
for idx,col in enumerate(self.dataframe.columns):
new_name = utils.to_safe(self.name, idx)
self.rename(col, new_name)
def __setup_names(self):
"""Rebuilds all column names to put them into the form __<tablename>_<idx>"""
for idx, col in enumerate(self.dataframe.columns):
new_name = utils.to_safe(self.name, idx)
self.rename(col, new_name)