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TDStatementsGenerator.py
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TDStatementsGenerator.py
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import avro
import sys
import tempfile
import google
import urllib2
from google.protobuf import reflection as _reflection
from avro import schema
from google.protobuf import descriptor_pb2
from google.protobuf import text_format
from google.protobuf import descriptor
from google.protobuf.descriptor import FileDescriptor
import json
metadata_fields_map = {
"ROW_ID" : "ID as ROW_ID" ,
"DV_FLAG" : "'N'" ,
"RPL_TRX_TYPE" : "metadata_idr_op_code",
"RPL_TRX_TIME" : "metadata_idr_op_time" ,
"RPL_CAPXINFO" : "RPL_CAPXINFO",
"NAME_VALUE" : "'single'",
"CurrentlyProcessedFileName" : "metadata_reserved_1"
}
businessNameToCNameMap={}
def generateTagsSequenceForSingleFields(avro_text, proto_schema_fields, module_name, version):
proto_schema_fields_names_to_numbers_map = {}
value_tags_arr=[]
proto_schema_fields_numbers_to_generated_objects={}
id_field_number = 0
for field in proto_schema_fields:
proto_schema_fields_names_to_numbers_map[field.name] = field.number
if (field.name == "id"):
id_field_number = field.number
avro_schema = schema.parse(avro_text)
for field in avro_schema.fields:
sc,parent=checkRecordSchema(field)
if( sc != None and field.name != "metadata"):
continue;
if(field.name == "metadata"):
for subField in sc.fields:
addObjsForSingleField("metadata_",subField, proto_schema_fields_names_to_numbers_map, value_tags_arr, proto_schema_fields_numbers_to_generated_objects)
else:
addObjsForSingleField("",field, proto_schema_fields_names_to_numbers_map, value_tags_arr, proto_schema_fields_numbers_to_generated_objects)
value_tags_arr.sort()
tags=""
names=""
tags_150=""
tags_2=""
for v in value_tags_arr:
objs=proto_schema_fields_numbers_to_generated_objects.get(v)
tags=tags+str(objs[1])+","
names=names+objs[0]+","
tags_150=tags_150+str(objs[2])+","
tags_2=tags_2+str(objs[3])+","
names = names.rstrip(",")
name="{0}_{1}_tagsSequenceForSingleFields.txt".format(module_name, version)
file = open(name,"w")
file.write(tags+"\n")
file.write(names+"\n")
file.write(tags_150+"\n")
file.write(tags_2+"\n")
file.close()
def sortMultiFields(m,s,sg,v,m_name,s_name,sg_name,v_name):
return str(m)+","+str(s)+","+str(sg)+","+str(v)+"," , m_name+","+s_name+","+sg_name+","+v_name , m_name+" varchar(300) ,"+s_name+" varchar(300), "+sg_name+" varchar(300),"+v_name+" varchar(300)"
def generateTagsSequence(avro_text, proto_schema_fields, module_name, version):
proto_schema_fields_names_to_numbers_map = {}
map_tag_value_to_its_tags={}
value_tags_arr=[]
id_field_number = 0
for field in proto_schema_fields:
proto_schema_fields_names_to_numbers_map[field.name] = field.number
if (field.name == "id"):
id_field_number = field.number
avro_schema = schema.parse(avro_text)
for field in avro_schema.fields:
sc,parent=checkRecordSchema(field)
if( sc != None and field.name != "metadata"):
m,s,sg,v = 0,0,0,0
m_name,s_name,sg_name,v_name="","","",""
for structField in sc.fields:
if structField.name == "VALUE":
v_name="c_"+field.name
v=proto_schema_fields_names_to_numbers_map.get(field.name)
value_tags_arr.append(v)
elif structField.name == "m":
m_name= field.name + "_" + structField.name
m=proto_schema_fields_names_to_numbers_map.get(m_name)
elif structField.name == "sg":
sg_name=field.name + "_" + structField.name
sg=proto_schema_fields_names_to_numbers_map.get(sg_name)
elif structField.name == "s":
s_name=field.name + "_" + structField.name
s=proto_schema_fields_names_to_numbers_map.get(s_name)
tags, names, names_with_types = sortMultiFields(m, s, sg, v, m_name, s_name, sg_name, v_name)
objs=[]
objs.append(tags)
objs.append(names)
objs.append(names_with_types)
map_tag_value_to_its_tags[v]=objs
value_tags_arr.sort()
tags_result=""
names_result=""
for v in value_tags_arr:
objs=map_tag_value_to_its_tags.get(v)
tags_result=tags_result+objs[0]
names_result=names_result+objs[1]+","
names_result = names_result.rstrip(",")
name="{0}_{1}_tagsSequenceForMultiFields.txt".format(module_name, version)
file = open(name,"w")
file.write(tags_result+"\n")
file.write(names_result+"\n")
file.close()
def generateMultiFieldsCaseStatements(avro_text, proto_schema_fields, module_name, version):
proto_schema_fields_names_to_numbers_map = {}
id_field_number = 0
for field in proto_schema_fields:
proto_schema_fields_names_to_numbers_map[field.name] = field.number
if (field.name == "id"):
id_field_number = field.number
avro_schema = schema.parse(avro_text)
multi_fields_tags_to_names_map={}
for field in avro_schema.fields:
sc, parent = checkRecordSchema(field)
if (sc != None and field.name != "metadata"):
#print("multiField")
#print(field)
for structField in sc.fields:
if structField.name == "VALUE":
v_name=field.name
#print("struct field name" + v_name)
fieldNum = proto_schema_fields_names_to_numbers_map.get(field.name)
v = fieldNum
multi_fields_tags_to_names_map[v] = v_name
#print("---------------------------------------------------------")
output="case VALUE_TAG \n"
for key in multi_fields_tags_to_names_map:
name=multi_fields_tags_to_names_map.get(key)
cName=businessNameToCNameMap.get(name)
output=output+"when '"+str(key)+"' then '"+cName+"'\n"
output=output+"END"
print(output)
name="{0}_{1}_caseStatements.txt".format(module_name, version)
#file = open(name,"w")
#file.write(output)
#file.close()
return output
def addObjsForSingleField(prefix, field, proto_schema_fields_names_to_numbers_map, single_fields_nums_arr, proto_schema_fields_numbers_to_generated_objects):
name=prefix+field.name
fieldNum=proto_schema_fields_names_to_numbers_map.get(name)
single_fields_nums_arr.append(fieldNum)
objs=[]
objs.append(name)
objs.append(fieldNum)
objs.append(150)
objs.append(2)
type=getType2(field.type)
objs.append(type)
proto_schema_fields_numbers_to_generated_objects[fieldNum]=objs
def createSingleFieldsStatements(single_fields_nums_arr, proto_schema_fields_numbers_to_generated_objects, version , module_name):
single_fields_nums_arr.sort()
single_fields_names="offset , "
single_fields_nums=""
single_fields_and_types="offset varchar(200), "
for num in single_fields_nums_arr:
objs=proto_schema_fields_numbers_to_generated_objects.get(num)
single_fields_names=single_fields_names+objs[0]+","
single_fields_nums=single_fields_nums+objs[1]+";"
single_fields_and_types=single_fields_and_types+objs[0]+" "+objs[2]+" ,";
single_fields_names = single_fields_names.rstrip(",")
single_fields_and_types = single_fields_and_types.rstrip(',')
single_table_name="rtpoc_{0}_{1}_single".format(version, module_name)
single_view_name="rtpoc_{0}_{1}_single_vw".format(version , module_name)
single_create_table_statement="create multiset table {0} ( {1} ); ".format(single_table_name, single_fields_and_types)
f.write("drop table " + single_table_name+";\n")
f.write(single_create_table_statement+"\n")
single_view_table_statement="replace view {0} \n as select {1} from {2} ( __fnc__( '{3}' , rtpoc_{4}_land.message_bytes, rtpoc_{4}_land.partition_offset) returns ({5} )) as q1;".format(single_view_name,single_fields_names,"table",single_fields_nums , module_name,single_fields_and_types)
f.write(single_view_table_statement+"\n")
single_procedure_name="rtpoc_{0}_{1}_single_ps".format(version, module_name)
single_sp_creation_statement = "create procedure {0} () \n begin \n insert into {1} ( {2} ) select {3} from {4} ; \n end;".format(
single_procedure_name , single_table_name, single_fields_names, single_fields_names, single_view_name)
f.write(single_sp_creation_statement+"\n")
f.close()
single_sp_insert_select_statement="insert into {0} ( {1} ) select {2} from {3};\n".format(single_table_name,single_fields_names,single_fields_names,single_view_name)
sp_insert_select_statements = sp_insert_select_statements + single_sp_insert_select_statement
procedure_create_statement = "create procedure {0} () \n begin \n {1} \n end;".format(procedure_name, sp_insert_select_statements)
def createMultiFieldsStatements(multi_fields_tags_arr, proto_schema_fields_numbers_to_generated_objects, version, module_name, case_statement):
multi_fields_tags_arr.sort()
table_fields_names="RPL_CAPXINFO,NAME_VALUE,M,S,SG,C,SEQUENCE"
table_fields_names_with_types="RPL_CAPXINFO VARCHAR(600) CHARACTER SET LATIN NOT CASESPECIFIC,NAME_VALUE VARCHAR(600),M VARCHAR(600),S VARCHAR(600),SG VARCHAR(600),C VARCHAR(6000),SEQUENCE VARCHAR(300) CHARACTER SET UNICODE NOT CASESPECIFIC"
tags_result=""
names_result=""
for v in multi_fields_tags_arr:
objs=proto_schema_fields_numbers_to_generated_objects.get(v)
tags_result=tags_result+objs[0]
names_result=names_result+objs[1]+","
tags_result = tags_result.rstrip(",")
names_result = names_result.rstrip(",")
#table
#table_name="rtpoc_{0}_{1}_multi_value_staging".format(version,module_name)
table_name="{0}_multi".format(module_name)
drop_table_statement="drop table {0};".format(table_name)
create_table_statement="CREATE SET TABLE {0} ,FALLBACK,\n NO BEFORE JOURNAL,\n NO AFTER JOURNAL,\n CHECKSUM = DEFAULT, \n DEFAULT MERGEBLOCKRATIO \n ( \n {1} \n ) \n PRIMARY INDEX ( SEQUENCE );".format(table_name , table_fields_names_with_types)
#view
count=len(tags_result.split(","))
land_table_name="rtpoc_{0}_land".format(module_name)
view_name="rtpoc_{0}_{1}_multi_value_staging_vw".format(version,module_name)
create_view_statement="replace view RTT24STG.{0} \n as \n select STRTOK(id,'_',5) as RPL_CAPXINFO ,STRTOK(RPL_CAPXINFO,'_',2) as SEQUENCE ,f as VALUE_TAG, i as ROW_INDEX , coalesce(max(m),1) as M , coalesce(max(s),1) as S , coalesce(max(sg),1) as SG , max(v) as V \n FROM RTT24STG.to_t24_multi \n ( \n on (select partition_offset, message_bytes, message_blob, message_size from RTT24DV.{1} ) \n using \n tagCount({2}) \n valLength({3}) \n tagList('{4}') \n ) AS D \n group by RPL_CAPXINFO,VALUE_TAG,ROW_INDEX ;".format(view_name,land_table_name,count,600,tags_result)
#procedure
procedure_name = "rtpoc_{0}_{1}_prerequisite_ps".format(version, module_name)
procedure_select_statement_fields="select RPL_CAPXINFO , {0} as NAME_VALUE , m as M , s as S , sg as SG , v as C , SEQUENCE from RTT24STG.{1} ".format(case_statement, view_name)
create_procedure_statement="replace procedure RTT24PRC.{0} () \n begin \n insert into RTT24DV.{1} ({2}) \n {3}; \n end ;".format(procedure_name, table_name , table_fields_names ,procedure_select_statement_fields)
clear_statement="delete from {0};".format(table_name);
statements=[]
statements.append(drop_table_statement)
statements.append(create_table_statement)
statements.append(create_view_statement)
statements.append(create_procedure_statement)
return statements,names_result,clear_statement
def createSingleFieldsStatementsV2(single_fields_nums_arr, proto_schema_fields_numbers_to_generated_objects, version , module_name):
single_fields_nums_arr.sort()
count=len(single_fields_nums_arr)
table_fields_names=""
table_fields_names_with_types=""
procedure_select_statement_fields=""
single_fields_nums=""
for key in metadata_fields_map:
table_fields_names=table_fields_names+key+","
type="varchar(200)"
if key == "DV_FLAG":
type="varchar(10)"
table_fields_names_with_types=table_fields_names_with_types+key+" " + type+","
procedure_select_statement_fields=procedure_select_statement_fields+metadata_fields_map.get(key)+","
view_fields_names="STRTOK(id,'_',5) as RPL_CAPXINFO , "
single_fields_varLength=""
single_fields_uniCodeFlag=""
for num in single_fields_nums_arr:
objs=proto_schema_fields_numbers_to_generated_objects.get(num)
name=objs[0]
tag_number=objs[1]
varLength=objs[2]
unicode_type=objs[3]
type=objs[4]
if not name.startswith('metadata_'):
name=businessNameToCNameMap.get(name)
table_fields_names=table_fields_names+name+","
table_fields_names_with_types=table_fields_names_with_types+name+" "+type+" ,"
procedure_select_statement_fields=procedure_select_statement_fields+name+","
view_fields_names=view_fields_names+"t"+str(tag_number)+" as "+name+","
single_fields_nums=single_fields_nums+str(tag_number)+","
single_fields_varLength=single_fields_varLength+str(varLength)+","
single_fields_uniCodeFlag=single_fields_uniCodeFlag+str(unicode_type)+","
table_fields_names=table_fields_names.rstrip(",")
table_fields_names_with_types=table_fields_names_with_types.rstrip(",")
procedure_select_statement_fields=procedure_select_statement_fields.rstrip(",")
view_fields_names=view_fields_names.rstrip(",")
single_fields_nums=single_fields_nums.rstrip(",")
single_fields_varLength=single_fields_varLength.rstrip(",")
single_fields_uniCodeFlag=single_fields_uniCodeFlag.rstrip(",")
#single_table_name="rtpoc_{0}_{1}_single".format(version, module_name)
single_table_name="{0}_single".format(module_name)
single_view_name="rtpoc_{0}_{1}_single_vw".format(version , module_name)
single_create_table_statement="create multiset table {0} ( {1} ); ".format(single_table_name, table_fields_names_with_types)
drop_statement = "drop table " + single_table_name+";"
single_view_table_statement="replace view RTT24STG.{0} \n as select {1} from RTT24STG.{2} ( on ( select partition_offset, message_bytes, message_blob from RTT24DV.rtpoc_{3}_land ) \n using \n tagCount({4}) \n tagList('{5}') \n valLengthList('{6}') \n valCharsetList('{7}') \n ) AS D ;".format(single_view_name,view_fields_names,"stgt24_t.to_t24_single" , module_name , count, single_fields_nums, single_fields_varLength,single_fields_uniCodeFlag)
single_procedure_name="rtpoc_{0}_{1}_single_ps".format(version, module_name)
single_sp_creation_statement = "replace procedure RTT24PRC.{0} () \n begin \n insert into RTT24DV.{1} ( {2} ) \n select \n {3} from RTT24STG.{4} ; \n end;".format(
single_procedure_name , single_table_name, table_fields_names, procedure_select_statement_fields, single_view_name)
clear_statement="delete from {0};".format(single_table_name);
statements=[]
statements.append(drop_statement)
statements.append(single_create_table_statement)
statements.append(single_view_table_statement)
statements.append(single_sp_creation_statement)
return statements,clear_statement
def generateFieldsWithTags(avro_text, proto_schema_fields, module_name, version):
proto_schema_fields_names_to_numbers_map = {}
proto_schema_fields_numbers_to_generated_objects={}
for field in proto_schema_fields:
proto_schema_fields_names_to_numbers_map[field.name] = field.number
avro_schema = schema.parse(avro_text)
single_fields_nums_arr=[] # array of single value fields's tags numbers
multi_value_tags_arr=[] # array of multi value fields's tags numbers
f=open("{0}_{1}_statements.txt".format(module_name,version), "w")
for field in avro_schema.fields:
sc,parent=checkRecordSchema(field)
if( sc != None and field.name != "metadata" and field.name != "RPL"):
m,s,sg,v = 0,0,0,0
m_name,s_name,sg_name,v_name="","","",""
for structField in sc.fields:
if structField.name == "VALUE":
v_name="c_"+field.name
v_name=v_name+"("+businessNameToCNameMap.get(field.name)+")"
v=proto_schema_fields_names_to_numbers_map.get(field.name)
multi_value_tags_arr.append(v)
elif structField.name == "m":
m_name= field.name + "_" + structField.name
m=proto_schema_fields_names_to_numbers_map.get(m_name)
elif structField.name == "sg":
sg_name=field.name + "_" + structField.name
sg=proto_schema_fields_names_to_numbers_map.get(sg_name)
elif structField.name == "s":
s_name=field.name + "_" + structField.name
s=proto_schema_fields_names_to_numbers_map.get(s_name)
tags, names, names_with_types = sortMultiFields(m, s, sg, v, m_name, s_name, sg_name, v_name)
objs=[]
objs.append(tags)
objs.append(names)
objs.append(names_with_types)
proto_schema_fields_numbers_to_generated_objects[v]=objs
else:
if(field.name == "metadata" or field.name == "RPL"):
prefix=field.name+"_"
for subField in sc.fields:
addObjsForSingleField(prefix,subField, proto_schema_fields_names_to_numbers_map, single_fields_nums_arr, proto_schema_fields_numbers_to_generated_objects)
else:
addObjsForSingleField("",field, proto_schema_fields_names_to_numbers_map, single_fields_nums_arr, proto_schema_fields_numbers_to_generated_objects)
# create multi_value fields statements
caseStatement=generateMultiFieldsCaseStatements(avro_text, proto_schema_fields, module_name, version)
multi_Fields_statements,multi_fields_names_corresponding_to_tags,multi_clear_statement=createMultiFieldsStatements(multi_value_tags_arr, proto_schema_fields_numbers_to_generated_objects, version , module_name,caseStatement)
# create single value fields statements
single_statements,single_clear_statement = createSingleFieldsStatementsV2(single_fields_nums_arr, proto_schema_fields_numbers_to_generated_objects, version , module_name)
clear_procedure_name="rtpoc_{0}_{1}_clear_staging".format(version, module_name)
run_id_name="{0}_RUN_ID".format(module_name)
clear_run_id_statement ="delete from {0};".format(run_id_name)
clear_procedure_statement="replace procedure {0}() \n begin \n {1} \n {2} \n {3} \n end;".format(clear_procedure_name,multi_clear_statement,single_clear_statement, clear_run_id_statement)
f.write("--multi value fields staements \n")
f.write("--=========================================\n\n")
for m_statement in multi_Fields_statements:
f.write(m_statement+"\n")
f.write("--=================================\n")
f.write("--single value fields statements \n")
f.write("--=====================================\n\n")
for s_statement in single_statements:
f.write(s_statement+"\n")
f.write("--=================================\n")
f.write(clear_procedure_statement)
f.close()
#print "--================================================================================================================================ \n"
#print procedure_create_statement
def generateSchemaHiveStatements(avro_text):
avro_schema=schema.parse(avro_text)
single_fields_for_select=""
single_fields_for_create=""
for field in avro_schema.fields:
sc,parent = checkRecordSchema(field)
if(sc != None):
fields_for_create=""
fields_for_select=""
for structField in sc.fields:
name=field.name+"_"+structField.name
if fields_for_select != "":
fields_for_select = fields_for_select + "," + name
else:
fields_for_select = name
fields_for_create=fields_for_create+name+" string,\n"
fields_for_create=fields_for_create.rstrip(",\n")
fields_for_select=fields_for_select.rstrip(",")
create_statement="create table {0} ( {1} )".format(field.name, fields_for_create)
select_statement="select {0} from {1} ".format(fields_for_select,field.name)
print("statements for "+field.name)
print(create_statement)
print(select_statement)
print("=============================================================================================================")
else:
single_fields_for_select= single_fields_for_select+field.name+","
type=getType2(field.type)
if "array" in type:
a=type.split(' ')
type="array<{0}>".format(a[0])
single_fields_for_create=single_fields_for_create+field.name+" "+type+",\n"
print("single statements ")
print "create table account ( {0} ) ".format(single_fields_for_create)
print "select {0} from account ".format(single_fields_for_select)
def checkRecordSchema(field):
type = field.type
sc = None
parent = None
if isinstance(type, schema.UnionSchema):
type = type._schemas[1]
if isinstance(type, schema.ArraySchema) and isinstance(type.items, schema.RecordSchema):
sc = type.items
parent = "array"
elif isinstance(type, schema.RecordSchema):
sc = type
parent = "union"
elif isinstance(type, schema.ArraySchema) and isinstance(type.items, schema.RecordSchema):
sc = type.items
parent = "array"
elif isinstance(type, schema.RecordSchema):
sc = type
parent = None
return sc, parent
def constructBusinessNameToCNameMap(cNameToBusinessNameMap):
for key in cNameToBusinessNameMap:
value=cNameToBusinessNameMap.get(key)
print("key " + key + " value "+ value)
businessNameToCNameMap[value]=key
def getType2(typ):
if isinstance(typ,schema.UnionSchema):
return getType2(typ._schemas[1])
if(isinstance(typ,schema.ArraySchema)):
return getType2(typ.items)+" array"
#if(isinstance(typ,schema.RecordSchema)):
# print("inside getType 2 ", typ, "&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*****************")
#return getORAddStruct(messages,typ)
if(isinstance(typ,schema.MapSchema)):
#valType= getType2(typ.values, messages)
return "map < varchar(200), varchar(200) > "
else:
val =typ.fullname.replace("\"","",-1)
if val == "int":
return "varchar(200)"
elif val == "long":
return "varchar(200)"
elif val == "double":
return "varchar(200)"
elif val == "string":
return "varchar(200)"
return val
if __name__ == "__main__":
sc1=urllib2.urlopen(sys.argv[1]).read()
protoText = urllib2.urlopen(sys.argv[2]).read()
cNameToBusinessNameMap=urllib2.urlopen(sys.argv[3]).read()
cNameToBusinessNameMap=json.loads(cNameToBusinessNameMap)
module_name=sys.argv[4]
version=sys.argv[5]
constructBusinessNameToCNameMap(cNameToBusinessNameMap)
file_descriptor_proto = descriptor_pb2.FileDescriptorProto()
text_format.Merge(protoText, file_descriptor_proto)
protoSchema = file_descriptor_proto
proto_schema_fields = protoSchema.message_type[0].field
generateFieldsWithTags(sc1, proto_schema_fields, module_name, version)
#generateMultiFieldsCaseStatements(sc1,proto_schema_fields, module_name, version)
#generateTagsSequence(sc1, proto_schema_fields, module_name, version)
#generateTagsSequenceForSingleFields(sc1, proto_schema_fields, module_name, version)
#generateSchemaHiveStatements(sc1)