def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist={"df_count": {1}, "model_count": {0}}
error, extra=IncomingEdgeValidityChecker.check_validity(node["id"], requireds_info, edges, checklist)
final_code=[]
shared_function_set = set()
additional_local_code = []
errors = []
if(error == ErrorTypes.NO_ERROR):
if("portion" in extra["dfs"][0]):
df_name = "df_" + extra["dfs"][0]["source_id"] + "[" + str(extra["dfs"][0]["portion"]) + "]"
else:
df_name = "df_" + extra["dfs"][0]["source_id"]
my_args = {"node_id": node["id"], "input_dfs": [df_name], "shared_function_set": shared_function_set, "additional_local_code": additional_local_code, "errors": errors}
# Depending on the column that multi_instance_indicator indicates, we will decide to apply whether to multi-instance generation or usual generation
if(MultiInstanceHandlerUtils.should_generate_multiple_instances(node)):
gen_code = MultiInstanceHandlerUtils.multi_instance_generation(node, df_name, my_args)
else:
gen_code = __single_generation(node, df_name, my_args)
final_code = CodeGenerationUtils.merge_with_additional_code(gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist={"df_count": {1}, "model_count": {0}}
error, extra=IncomingEdgeValidityChecker.check_validity(node["id"], requireds_info, edges, checklist)
final_code=[]
shared_function_set = set()
additional_local_code=[]
errors=[]
if(error == ErrorTypes.NO_ERROR):
if ("portion" in extra["dfs"]):
df_name = "df_" + extra["dfs"][0]["source_id"] + "[" + str(extra["dfs"][0]["portion"]) + "]"
else:
df_name = "df_" + extra["dfs"][0]["source_id"]
my_args={"node_id": node["id"], "input_dfs": [df_name], "shared_function_set": shared_function_set, "additional_local_code": additional_local_code, "errors": errors}
updated_function_name = CodeGenerationUtils.handle_parameter(node["parameters"]["udf_function"], my_args)
gen_code=[]
gen_code.extend(["udf_"+node["id"]+" = udf("+updated_function_name+", "+node["parameters"]["udf_return_type"]["value"]+"())", os.linesep])
gen_code.extend(["tuple_list = " + CodeGenerationUtils.handle_parameter(node["parameters"]["udf_input_tuples"], my_args), os.linesep])
gen_code.extend(["output_list = " + CodeGenerationUtils.handle_parameter(node["parameters"]["udf_outputs"], my_args), os.linesep])
gen_code.extend(["df_" + node["id"] + "=" + df_name, os.linesep])
gen_code.extend(["for index in range(len(tuple_list)):", os.linesep])
gen_code.extend(["\tdf_"+node["id"]+" = df_"+node["id"]+".withColumn(output_list[index], udf_"+node["id"]+"(*tuple_list[index]))", os.linesep, os.linesep])
final_code = CodeGenerationUtils.merge_with_additional_code(gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist = {"df_count": {1}, "model_count": {0}}
error, extra = IncomingEdgeValidityChecker.check_validity(
node["id"], requireds_info, edges, checklist)
final_code = []
shared_function_set = set()
additional_local_code = []
errors = []
if (error == ErrorTypes.NO_ERROR):
if ("portion" in extra["dfs"][0]):
df_name = "df_" + extra["dfs"][0]["source_id"] + "[" + str(
extra["dfs"][0]["portion"]) + "]"
else:
df_name = "df_" + extra["dfs"][0]["source_id"]
if (error == ErrorTypes.NO_ERROR):
my_args = {
"node_id": node["id"],
"input_dfs": [df_name],
"shared_function_set": shared_function_set,
"additional_local_code": additional_local_code,
"errors": errors
}
gen_code = CodeGenerationUtils.handle_instantination_or_call(
node["parameters"], 'df_' + node["id"] + '=' + df_name + '.' +
node["ddfo_name"] + '(', my_args)
final_code = CodeGenerationUtils.merge_with_additional_code(
gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist={"df_count": {0}, "model_count": {0}}
error, extra=IncomingEdgeValidityChecker.check_validity(node["id"], requireds_info, edges, checklist)
final_code=[]
shared_function_set = set()
additional_local_code=[]
errors=[]
if(error == ErrorTypes.NO_ERROR):
error, is_schema_appropriate=DataSourceValidityChecker.check_validity(node)
if(error == ErrorTypes.NO_ERROR):
my_args = {"node_id": node["id"], "shared_function_set": shared_function_set, "additional_local_code": additional_local_code, "errors": errors}
# Must be a valid schema at this point.
additional_code, param_string = CodeGenerationUtils.handle_parameter(node["parameter"]["schema"], my_args)
gen_code=[]
gen_code.extend(additional_code)
gen_code.append("df_" + node["id"] + ' = spark.readStream.format("kafka").option("kafka.bootstrap.servers", ')
gen_code.append(CodeGenerationUtils.handle_primitive(node["parameters"]["host"]["value"] + ":" + node["parameters"]["port"]["value"]) + ")")
gen_code.append('.option("subscribe", ' + CodeGenerationUtils.handle_primitive(node["parameters"]["topic"]["value"] + ")"))
gen_code.append('.load().select(from_json(col("value").cast("string"), '+ param_string +")")
# For streams, we will use timestamp as a key while writing to kafka topic in case.
gen_code.extend(['.alias("value"), "timestamp").select("value.*", "timestamp")', os.linesep])
final_code = CodeGenerationUtils.merge_with_additional_code(gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist = {"df_count": {1}, "model_count": {0}}
error, extra = IncomingEdgeValidityChecker.check_validity(
node["id"], requireds_info, edges, checklist)
final_code = []
shared_function_set = set()
additional_local_code = []
errors = []
if (error == ErrorTypes.NO_ERROR):
error, extra2 = CVValiditiyChecker.check_validity(
node["nodes"], node["edges"])
if ("portion" in extra["dfs"][0]):
df_name = "df_" + extra["dfs"][0]["source_id"] + "[" + str(
extra["dfs"][0]["portion"]) + "]"
else:
df_name = "df_" + extra["dfs"][0]["source_id"]
my_args = {
"node_id": node["id"],
"input_dfs": [df_name],
"shared_function_set": shared_function_set,
"additional_local_code": additional_local_code,
"errors": errors
}
gen_code = []
gen_code.extend(
__generate_code_for_estimator_instantination(
node["nodes"][extra2["estimator_node_id"]], my_args))
gen_code.extend(
__generate_code_for_evaluator_instantination(
node["nodes"][extra2["evaluator_node_id"]], my_args))
gen_code.extend(
__generate_code_for_param_grid(
node, 'estimator_' + extra2["estimator_node_id"], my_args))
gen_code.extend(
__generate_code_for_cv_instantination(node,
extra2["estimator_node_id"],
extra2["evaluator_node_id"]))
gen_code.extend([
'model_' + node["id"] + "=" + 'cv_' + node["id"] + ".fit(" +
df_name + ")", os.linesep
])
# Following might not be logical unless you aim to predict on training data for some specific needs.
gen_code.extend([
'df_' + node["id"] + "=" + 'model_' + node["id"] + '.transform(' +
df_name + ')', os.linesep
])
final_code = CodeGenerationUtils.merge_with_additional_code(
gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
final_code = []
shared_function_set = set()
additional_local_code = []
errors = []
checklist = {"df_count": {1}, "model_count": {0}}
error, extra = IncomingEdgeValidityChecker.check_validity(
node["id"], requireds_info, edges, checklist)
if (error == ErrorTypes.NO_ERROR):
error, pipeline_order = PipelineValidityChecker.check_validity(
node["nodes"], node["edges"])
if (error == ErrorTypes.NO_ERROR):
if ("portion" in extra["dfs"][0]):
df_name = "df_" + extra["dfs"][0]["source_id"] + "[" + str(
extra["dfs"][0]["portion"]) + "]"
else:
df_name = "df_" + extra["dfs"][0]["source_id"]
my_args = {
"node_id": node["id"],
"input_dfs": [df_name],
"shared_function_set": shared_function_set,
"additional_local_code": additional_local_code,
"errors": errors
}
gen_code, error = __generate_stages(node["nodes"], pipeline_order,
df_name, my_args)
if (error == ErrorTypes.NO_ERROR):
gen_code.append(os.linesep)
gen_code.extend(
__generate_code_for_pipeline_instantination(
node, pipeline_order, my_args))
gen_code.extend([
'model_' + node["id"] + "=" + 'pipeline_' + node["id"] +
".fit(" + df_name + ")", os.linesep
])
# Following might not be logical for pipelines with an estimator
gen_code.extend([
'df_' + node["id"] + "=" + 'model_' + node["id"] +
'.transform(' + df_name + ')', os.linesep
])
final_code = CodeGenerationUtils.merge_with_additional_code(
gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist = {"df_count": {1}, "model_count": {0}}
error, extra = IncomingEdgeValidityChecker.check_validity(
node["id"], requireds_info, edges, checklist)
final_code = []
shared_function_set = set()
additional_local_code = []
errors = []
if (error == ErrorTypes.NO_ERROR):
if ("portion" in extra["dfs"][0]):
df_name = "df_" + extra["dfs"][0]["source_id"] + "[" + str(
extra["dfs"][0]["portion"]) + "]"
else:
df_name = "df_" + extra["dfs"][0]["source_id"]
my_args = {
"node_id": node["id"],
"input_dfs": [df_name],
"shared_function_set": shared_function_set,
"additional_local_code": additional_local_code,
"errors": errors
}
gen_code = []
shared_function_set.add(SharedFunctionTypes.SELECT_EXPR_HELPERS)
gen_code.append("df_" + node["id"] + "=" + df_name + ".selectExpr(")
for expr in node["parameters"]["expressions"]["value"]:
gen_code.extend([
'single_select_expr_generator(' +
CodeGenerationUtils.handle_parameter(expr["input_cols"],
my_args) +
', ' + CodeGenerationUtils.handle_parameter(
expr["output_cols"], my_args) +
', ' + CodeGenerationUtils.handle_parameter(
expr["operation"], my_args) + ')', ', '
])
gen_code.pop()
gen_code.extend([")", os.linesep])
final_code = CodeGenerationUtils.merge_with_additional_code(
gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist = {"df_count": {0}, "model_count": {0}}
error, extra = IncomingEdgeValidityChecker.check_validity(
node["id"], requireds_info, edges, checklist)
final_code = []
shared_function_set = set()
additional_local_code = []
errors = []
if (error == ErrorTypes.NO_ERROR):
error, is_schema_appropriate = DataSourceValidityChecker.check_validity(
node)
if (error == ErrorTypes.NO_ERROR):
my_args = {
"node_id": node["id"],
"shared_function_set": shared_function_set,
"additional_local_code": additional_local_code,
"errors": errors
}
if (is_schema_appropriate):
gen_code = CodeGenerationUtils.handle_instantination_or_call(
node["parameters"], "df_" + node["id"] + "=" +
"spark.read." + node["file_type"] + "(", my_args)
else:
# For safety, but consider it again
if ("schema" in node["parameters"]):
del node["parameters"]["schema"]
if (node["can_infer_schema"]):
node["parameters"]["inferSchema"] = {
"value": True,
"type": "boolean"
}
gen_code = CodeGenerationUtils.handle_instantination_or_call(
node["parameters"],
"df_" + node["id"] + "=" + "spark.read.format(" +
CodeGenerationUtils.handle_primitive(node["file_type"]) +
").load(", my_args)
final_code = CodeGenerationUtils.merge_with_additional_code(
gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist={"df_count": {1}, "model_count": {0}}
error, extra=IncomingEdgeValidityChecker.check_validity(node["id"], requireds_info, edges, checklist)
final_code=[]
shared_function_set = set()
additional_local_code = []
errors = []
if(error == ErrorTypes.NO_ERROR):
if ("portion" in extra["dfs"][0]):
df_name = "df_" + extra["dfs"][0]["source_id"] + "[" + str(extra["dfs"][0]["portion"]) + "]"
else:
df_name = "df_" + extra["dfs"][0]["source_id"]
my_args = {"node_id": node["id"], "input_dfs": [df_name], "shared_function_set": shared_function_set, "additional_local_code": additional_local_code, "errors": errors}
input_cols = CodeGenerationUtils.handle_parameter(node["parameters"]["input_cols"], my_args)
output_cols = CodeGenerationUtils.handle_parameter(node["parameters"]["output_cols"], my_args)
window_size = node["parameters"]["window_size"]["value"]
partitioning_column = node["parameters"]["partitioning_column"]["value"]
ordering_column = node["parameters"]["ordering_column"]["value"]
ordering_direction = node["parameters"]["ordering_direction"]["value"]
gen_code=[]
gen_code.extend(["input_cols = " + output_cols, os.linesep])
gen_code.extend(["output_cols = " + input_cols, os.linesep])
gen_code.extend(["df_" + node["id"] + "=" + df_name, os.linesep])
gen_code.extend(["for inC, outC in zip(input_cols, output_cols):", os.linesep])
gen_code.extend(["\tdf_" + node["id"] + " = df_" + node["id"] + ".withColumn('temp', col(inC))", os.linesep])
gen_code.extend(["\twSpec = Window.partitionBy('" + partitioning_column + "').orderBy(col('" + ordering_column + "')." + ordering_direction + "())", os.linesep])
gen_code.extend(["\tfor j in range(" + str(window_size) + "):", os.linesep])
gen_code.extend(["\t\tlag_values = lag('temp', default=0).over(wSpec)", os.linesep])
gen_code.extend(["\t\tdf_" + node["id"] + " = df_" + node["id"] + ".withColumn('temp', F.when((col('temp')==1) | (lag_values==None) | (lag_values<1) | (lag_values>=" + str(window_size + 1) + "), col('temp')).otherwise(lag_values+1))", os.linesep])
gen_code.extend(["\tdf_" + node["id"] + " = df_" + node["id"] + ".withColumn(outC, F.when(col('temp') > 0, 1.0).otherwise(0.0))", os.linesep])
final_code = CodeGenerationUtils.merge_with_additional_code(gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist = {"df_count": {1}, "model_count": {0}}
error, extra = IncomingEdgeValidityChecker.check_validity(
node["id"], requireds_info, edges, checklist)
final_code = []
shared_function_set = set()
additional_local_code = []
errors = []
if (error == ErrorTypes.NO_ERROR):
if ("portion" in extra["dfs"][0]):
df_name = "df_" + extra["dfs"][0]["source_id"] + "[" + str(
extra["dfs"][0]["portion"]) + "]"
else:
df_name = "df_" + extra["dfs"][0]["source_id"]
my_args = {
"node_id": node["id"],
"input_dfs": [df_name],
"shared_function_set": shared_function_set,
"additional_local_code": additional_local_code,
"errors": errors
}
gen_code = CodeGenerationUtils.handle_instantination_or_call(
node["parameters"], df_name + ".write.format(" +
CodeGenerationUtils.handle_primitive(node["file_type"]) +
").save(", my_args)
final_code = CodeGenerationUtils.merge_with_additional_code(
gen_code, additional_local_code)
args["additional_info"]["written_tables"].append(
{"table_path": node["parameters"]["path"]["value"]})
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist = {"df_count": {0}, "model_count": {0}}
error, extra = IncomingEdgeValidityChecker.check_validity(
node["id"], requireds_info, edges, checklist)
final_code = []
shared_function_set = set()
additional_local_code = []
errors = []
if (error == ErrorTypes.NO_ERROR):
error, is_schema_appropriate = DataSourceValidityChecker.check_validity(
node)
if (error == ErrorTypes.NO_ERROR):
my_args = {
"node_id": node["id"],
"shared_function_set": shared_function_set,
"additional_local_code": additional_local_code,
"errors": errors
}
# Must be a valid schema at this point.
additional_code, param_string = CodeGenerationUtils.handle_parameter(
node["parameter"]["schema"], my_args)
gen_code = []
gen_code.extend(additional_code)
gen_code.extend([
"df_" + node["id"] + ' = spark.readStream.schema(' +
param_string + ")." + node["file_type"] + "(" +
CodeGenerationUtils.handle_primitive(
node["parameters"]["path"]["value"]) + ")", os.linesep
])
final_code = CodeGenerationUtils.merge_with_additional_code(
gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist = {"df_count": {1}, "model_count": {0}}
error, extra = IncomingEdgeValidityChecker.check_validity(
node["id"], requireds_info, edges, checklist)
final_code = []
shared_function_set = set()
additional_local_code = []
errors = []
if (error == ErrorTypes.NO_ERROR):
if ("portion" in extra["dfs"][0]):
df_name = "df_" + extra["dfs"][0]["source_id"] + "[" + str(
extra["dfs"][0]["portion"]) + "]"
else:
df_name = "df_" + extra["dfs"][0]["source_id"]
my_args = {
"node_id": node["id"],
"input_dfs": [df_name],
"shared_function_set": shared_function_set,
"additional_local_code": additional_local_code,
"errors": errors
}
df_name = "df_" + my_args["node_id"]
gen_code = [df_name + " = " + my_args["input_dfs"][0], os.linesep]
input_columns = ["["]
conditions = ["["]
values = ["["]
otherwises = ["["]
output_columns = ["["]
for exp in node["parameters"]["expressions"]["value"]:
input_columns.extend([
CodeGenerationUtils.handle_parameter(exp["input_columns"],
my_args), ", "
])
conditions.extend([
CodeGenerationUtils.handle_parameter(exp["condition"],
my_args), ", "
])
values.extend([
CodeGenerationUtils.handle_parameter(exp["value"], my_args),
", "
])
otherwises.extend([
CodeGenerationUtils.handle_parameter(exp["otherwise"],
my_args), ", "
])
output_columns.extend([
CodeGenerationUtils.handle_parameter(exp["output_columns"],
my_args), ", "
])
# Check there are at least 1 elememnt in expressions
input_columns.pop()
conditions.pop()
values.pop()
otherwises.pop()
output_columns.pop()
input_columns.extend(["]"])
conditions.extend(["]"])
values.extend(["]"])
otherwises.extend(["]"])
output_columns.extend(["]"])
gen_code.extend(
["input_columns = " + ''.join(input_columns), os.linesep])
gen_code.extend(["conditions = " + ''.join(conditions), os.linesep])
gen_code.extend(["values = " + ''.join(values), os.linesep])
gen_code.extend(["otherwises = " + ''.join(otherwises), os.linesep])
gen_code.extend(
["output_columns = " + ''.join(output_columns), os.linesep])
gen_code.extend([
"for in_cols, cond, val, otw, out_cols in zip(input_columns, conditions, values, otherwises, output_columns):",
os.linesep
])
gen_code.extend(
["\tfor in_col, out_col in zip(in_cols, out_cols):", os.linesep])
gen_code.extend([
"\t\tcur_cond = eval(cond.replace('$','" + df_name +
"[\"'+in_col+'\"]'" + "))", os.linesep
])
gen_code.extend([
"\t\t" + df_name + " = " + df_name +
".withColumn(out_col, F.when(cur_cond, val).otherwise(otw))",
os.linesep
])
final_code = CodeGenerationUtils.merge_with_additional_code(
gen_code, additional_local_code)
return final_code, shared_function_set, error
def generate_code(args):
node = args["node"]
requireds_info = args["requireds_info"]
edges = args["edges"]
checklist = {"df_count": {1}, "model_count": {0}}
error, extra = IncomingEdgeValidityChecker.check_validity(
node["id"], requireds_info, edges, checklist)
final_code = []
shared_function_set = set()
additional_local_code = []
errors = []
if (error == ErrorTypes.NO_ERROR):
if ("portion" in extra["dfs"][0]):
df_name = "df_" + extra["dfs"][0]["source_id"] + "[" + str(
extra["dfs"][0]["portion"]) + "]"
else:
df_name = "df_" + extra["dfs"][0]["source_id"]
my_args = {
"node_id": node["id"],
"input_dfs": [df_name],
"shared_function_set": shared_function_set,
"additional_local_code": additional_local_code,
"errors": errors
}
gen_code = []
gen_code.extend(["df_" + node["id"] + "=" + df_name, os.linesep])
between_operation = node["parameters"]["rolling_stats_info"]["value"][
"between_operation"]["value"]
first_argument_input_cols = CodeGenerationUtils.handle_parameter(
node["parameters"]["rolling_stats_info"]["value"]["first_argument"]
["value"]["input_cols"], my_args)
first_argument_operation = node["parameters"]["rolling_stats_info"][
"value"]["first_argument"]["value"]["operation"]["value"]
gen_code.extend(
["first_cols = " + first_argument_input_cols, os.linesep])
output_cols = CodeGenerationUtils.handle_parameter(
node["parameters"]["rolling_stats_info"]["value"]["output_cols"],
my_args)
gen_code.extend(["output_cols = " + output_cols, os.linesep])
partitioning_column = node["parameters"]["rolling_stats_info"][
"value"]["partitioning_column"]["value"]
ordering_column = node["parameters"]["rolling_stats_info"]["value"][
"ordering_column"]["value"]
ordering_direction = node["parameters"]["rolling_stats_info"]["value"][
"ordering_direction"]["value"]
lags = node["parameters"]["rolling_stats_info"]["value"]["lags"]
lags_str = CodeGenerationUtils.handle_parameter(lags, my_args)
window_str = "over (partition by " + partitioning_column + " order by " + ordering_column + " " + ordering_direction + " rows " + "'+ str(lag) +'" + " preceding) "
# if window_size == -1:
# window_str = "over (partition by " + partition_column + " order by " + ordering_column + " " + ordering_direction + " rows unbounded preceding) "
# else:
# window_str = "over (partition by " + partition_column + " order by " + ordering_column + " " + ordering_direction + " rows " + str(window_size) + " preceding) "
if between_operation != 'Identity':
second_argument_input_cols = CodeGenerationUtils.handle_parameter(
node["parameters"]["rolling_stats_info"]["value"]
["second_argument"]["value"]["input_cols"], my_args)
second_argument_operation = node["parameters"][
"rolling_stats_info"]["value"]["second_argument"]["value"][
"operation"]["value"]
gen_code.extend(
["second_cols = " + second_argument_input_cols, os.linesep])
loop_str = "for col_1,col_2,out_col in zip(first_cols, second_cols, output_cols):"
if first_argument_operation == 'Identity':
if second_argument_operation == 'Identity':
select_str = "df_" + node["id"] + " = df_" + node[
"id"] + ".selectExpr('*', col_1 + ' " + between_operation + " '+ col_2 + ' as out_col' + str(lag))"
else:
select_str = "df_" + node["id"] + " = df_" + node[
"id"] + ".selectExpr('*', col_1 + ' " + between_operation + " ' + '" + second_argument_operation + "(' + col_2 + ') " + window_str + "as out_col' + str(lag))"
else:
if second_argument_operation == 'Identity':
select_str = "df_" + node["id"] + " = df_" + node[
"id"] + ".selectExpr('*', '" + first_argument_operation + "(' + col_1 + ') " + window_str + between_operation + " ' + col_2 + ' as out_col' + str(lag))"
else:
select_str = "df_" + node["id"] + " = df_" + node[
"id"] + ".selectExpr('*', '" + first_argument_operation + "(' + col_1 + ') " + window_str + between_operation + " " + second_argument_operation + "(' + col_2 + ') " + window_str + "as out_col' + str(lag))"
else:
loop_str = "for col_1,out_col in zip(first_cols, output_cols):"
if first_argument_operation == 'Identity':
select_str = "df_" + node["id"] + " = df_" + node[
"id"] + ".selectExpr('*', col_1 + ' as out_col' + str(lag))"
else:
select_str = "df_" + node["id"] + " = df_" + node[
"id"] + ".selectExpr('*', '" + first_argument_operation + "(' + col_1 + ') " + window_str + "as out_col' + str(lag))"
gen_code.extend(["lags = " + lags_str, os.linesep])
gen_code.extend(["for lag in lags:", os.linesep])
gen_code.extend(["\t", loop_str, os.linesep])
gen_code.extend(["\t\t" + select_str, os.linesep])
final_code = CodeGenerationUtils.merge_with_additional_code(
gen_code, additional_local_code)
return final_code, shared_function_set, error