347 lines
13 KiB
C#
347 lines
13 KiB
C#
using System;
|
|
using Npgsql;
|
|
|
|
namespace test
|
|
{
|
|
class Program
|
|
{
|
|
private
|
|
|
|
static void Main(string[] args)
|
|
{
|
|
|
|
string scs = "";
|
|
string dcs = "";
|
|
string sdt = "";
|
|
string ddt = "";
|
|
string sq = "";
|
|
string dt = "";
|
|
Boolean trim = false;
|
|
int r = 0;
|
|
int t = 0;
|
|
string sql = "";
|
|
string nr = "";
|
|
string nc = "";
|
|
string nl = Environment.NewLine;
|
|
//declaring these objects globally will asume these libraries exist, they may not
|
|
System.Data.Odbc.OdbcConnection s_odbc = new System.Data.Odbc.OdbcConnection();
|
|
System.Data.Odbc.OdbcConnection d_odbc = new System.Data.Odbc.OdbcConnection();
|
|
NpgsqlConnection s_npgsql = new NpgsqlConnection();
|
|
NpgsqlConnection d_npgsql = new NpgsqlConnection();
|
|
System.Data.Common.DbConnection sc; //source connection
|
|
System.Data.Common.DbConnection dc; //destination connection
|
|
|
|
string msg = "Help:";
|
|
msg = msg + nl + "version 0.25";
|
|
msg = msg + nl;
|
|
msg = msg + nl + "options:";
|
|
msg = msg + nl + "-sdt sourc driver type";
|
|
msg = msg + nl + "-scs source connection string";
|
|
msg = msg + nl + "-ddt destination driver type";
|
|
msg = msg + nl + "-dcs destination connection string";
|
|
msg = msg + nl + "-sq path to source query";
|
|
msg = msg + nl + "-dt fully qualified name of destination table";
|
|
msg = msg + nl + "-t trim text";
|
|
msg = msg + nl + "--help info";
|
|
msg = msg + nl;
|
|
msg = msg + nl + "available driver types:";
|
|
msg = msg + nl + "-------------------------";
|
|
msg = msg + nl + "* odbc";
|
|
msg = msg + nl + "* npgsql";
|
|
|
|
|
|
//---------------------------------------parse args into variables-------------------------------------------------
|
|
|
|
for (int i = 0; i < args.Length; i = i +1 ){
|
|
switch (args[i]) {
|
|
//sourc driver type
|
|
case "-sdt":
|
|
sdt = args[i+1];
|
|
break;
|
|
//source connection string
|
|
case "-scs":
|
|
scs = args[i+1];
|
|
break;
|
|
//destination driver type
|
|
case "-ddt":
|
|
ddt = args[i+1];
|
|
break;
|
|
//destination connection string
|
|
case "-dcs":
|
|
dcs = args[i+1];
|
|
break;
|
|
//source query path
|
|
case "-sq":
|
|
try {
|
|
sq = System.IO.File.ReadAllText(args[i+1]);
|
|
}
|
|
catch (Exception e) {
|
|
Console.Write(nl + "error reasing source sql file: " + e.Message);
|
|
return;
|
|
}
|
|
break;
|
|
//destination table name
|
|
case "-dt":
|
|
dt = "INSERT INTO " + args[i+1] + " VALUES ";
|
|
break;
|
|
case "-t":
|
|
trim = true;
|
|
break;
|
|
case "--help":
|
|
Console.Write(nl);
|
|
Console.Write(msg);
|
|
return;
|
|
case "-help":
|
|
Console.Write(nl);
|
|
Console.Write(msg);
|
|
return;
|
|
case "-h":
|
|
Console.Write(nl);
|
|
Console.Write(msg);
|
|
return;
|
|
case @"\?":
|
|
Console.Write(nl);
|
|
Console.Write(msg);
|
|
return;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
Console.Write(nl);
|
|
Console.Write(sdt);
|
|
Console.Write(scs);
|
|
Console.Write(nl);
|
|
Console.Write(ddt);
|
|
Console.Write(dcs);
|
|
Console.Write(nl);
|
|
Console.Write(sq);
|
|
Console.Write(nl);
|
|
Console.Write(dt);
|
|
|
|
//return;
|
|
|
|
//-------------------------------------------establish connections-------------------------------------------------
|
|
|
|
//setup source
|
|
switch (sdt){
|
|
case "odbc":
|
|
try {
|
|
s_odbc.ConnectionString = scs;
|
|
}
|
|
catch (Exception e) {
|
|
Console.Write(nl + "bad source connection string: " + e.Message);
|
|
return;
|
|
}
|
|
sc = s_odbc;
|
|
return;
|
|
default:
|
|
break;
|
|
}
|
|
s_odbc.ConnectionString = scs;
|
|
sc = s_odbc;
|
|
|
|
//setup destination
|
|
switch (ddt) {
|
|
case "npgsql":
|
|
try {
|
|
d_npgsql.ConnectionString = dcs;
|
|
}
|
|
catch (Exception e) {
|
|
Console.Write(nl + "bad source connection string: " + e.Message);
|
|
return;
|
|
}
|
|
dc = d_npgsql;
|
|
return;
|
|
default:
|
|
break;
|
|
}
|
|
d_npgsql.ConnectionString = dcs;
|
|
dc = d_npgsql;
|
|
|
|
/*
|
|
//polymorph open
|
|
try {
|
|
sc.Open();
|
|
}
|
|
catch (Exception e) {
|
|
Console.Write(nl + "issue connection to source: " + e.Message);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
dc.Open();
|
|
}
|
|
catch (Exception e) {
|
|
sc.Close();
|
|
Console.Write(nl + "issue connecting to destination: "+ e.Message);
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------setup commands---------------------------------------------------
|
|
|
|
var s_cmd = new System.Data.Odbc.OdbcCommand();
|
|
var pgcom = d_npgsql.CreateCommand();
|
|
|
|
//---------------------------------------------begin transaction---------------------------------------------------------
|
|
|
|
Console.Write(nl);
|
|
Console.Write("etl start:" + DateTime.Now.ToString());
|
|
|
|
/*
|
|
NpgsqlTransaction pgt = pgc.BeginTransaction();
|
|
s_odbcommandTimeout = 6000;
|
|
s_odbcommandTimeout = 6000;
|
|
system.Data.Odbc.OdbcDataReader ibmdr;
|
|
try {
|
|
ibmdr = s_odbcxecuteReader();
|
|
ibmdr = s_odbcxecuteReader();
|
|
}
|
|
catch (Exception e) {
|
|
Console.Write(nl);
|
|
Console.Write("error on source sql:");
|
|
Console.Write(nl);
|
|
Console.Write(e.Message);
|
|
s_odbcse();
|
|
s_odbcse();
|
|
pgc.Cldse();
|
|
return;
|
|
}
|
|
//setup getv object array dimensioned to number of columns for scenario
|
|
//getv hold an array of datareader row
|
|
var getv = new object[ibmdr.FieldCount];
|
|
int cols = ibmdr.FieldCount;
|
|
//dtn holds list of data types per column
|
|
var dtn = new string[ibmdr.FieldCount];
|
|
while (ibmdr.Read()) {
|
|
r = r + 1;
|
|
t = t +1 ;
|
|
nr = "";
|
|
//populate all the data type names into a string array instead of calling against ibmdr in every iteration
|
|
if (t == 1 ) {
|
|
for (int i = 0; i < cols; i++){
|
|
dtn[i] = ibmdr.GetDataTypeName(i);
|
|
}
|
|
}
|
|
for (int i = 0 ; i < cols;i++) {
|
|
//Console.Write(nl);
|
|
//Console.Write(DBNull.Value.Equals(ibmdr.GetValue(i)).ToString());
|
|
//Console.Write(ibmdr.GetValue(i).ToString());
|
|
Boolean dnull = false;
|
|
if (dtn[i] == "BIGINT") {
|
|
dnull = DBNull.Value.Equals(ibmdr.GetInt64(i));
|
|
}
|
|
else {
|
|
dnull = DBNull.Value.Equals(ibmdr.GetValue(i));
|
|
}
|
|
if (! dnull) {
|
|
switch (dtn[i]){
|
|
case "VARCHAR":
|
|
if (trim) {
|
|
nc = "'" + ibmdr.GetValue(i).ToString().Replace("'","''").TrimEnd() + "'";
|
|
}
|
|
else {
|
|
nc = "'" + ibmdr.GetValue(i).ToString().Replace("'","''") + "'";
|
|
}
|
|
break;
|
|
case "CHAR":
|
|
if (trim) {
|
|
nc = "'" + ibmdr.GetValue(i).ToString().Replace("'","''").TrimEnd() + "'";
|
|
}
|
|
else {
|
|
nc = "'" + ibmdr.GetValue(i).ToString().Replace("'","''") + "'";
|
|
}
|
|
break;
|
|
case "DATE":
|
|
if (ibmdr.GetValue(i).ToString() == "1/1/0001 12:00:00 AM" || ibmdr.GetValue(i).ToString() == "") {
|
|
nc = "NULL";
|
|
}
|
|
else {
|
|
nc = "'" + ibmdr.GetValue(i).ToString() + "'";
|
|
}
|
|
break;
|
|
case "TIME":
|
|
nc = "'" + ibmdr.GetValue(i).ToString() + "'";
|
|
break;
|
|
case "TIMESTAMP":
|
|
nc = "'" + ibmdr.GetDateTime(i).ToString() + "'";
|
|
break;
|
|
case "BIGINT":
|
|
nc = ibmdr.GetInt64(i).ToString();
|
|
break;
|
|
default:
|
|
if (ibmdr.GetValue(i).ToString() != "") {
|
|
nc = ibmdr.GetValue(i).ToString();
|
|
}
|
|
else {
|
|
nc = "NULL";
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
nc = "NULL";
|
|
}
|
|
if (i!=0) {
|
|
nr = nr + ",";
|
|
}
|
|
nr = nr + nc;
|
|
}
|
|
if (sql!="") {
|
|
sql = sql + ",";
|
|
}
|
|
sql = sql + "(" + nr + ")";
|
|
if (r == 250) {
|
|
r = 0;
|
|
sql = dt + sql;
|
|
pgcom.CommandText = sql;
|
|
try {
|
|
pgcom.ExecuteNonQuery();
|
|
}
|
|
catch (Exception e) {
|
|
Console.Write(nl);
|
|
Console.Write(e.Message);
|
|
System.IO.File.WriteAllText(@"C:\Users\ptrowbridge\Downloads\runner_error.sql",sql);
|
|
s_odbcse();
|
|
s_odbcse();
|
|
pgt.Rollbdck();
|
|
pgc.Close();
|
|
return;
|
|
}
|
|
sql = "";
|
|
Console.Write(nl + t.ToString());
|
|
}
|
|
}
|
|
if (r != 0) {
|
|
sql = dt + sql;
|
|
pgcom.CommandText = sql;
|
|
try {
|
|
pgcom.ExecuteNonQuery();
|
|
}
|
|
catch (Exception e) {
|
|
Console.Write(nl);
|
|
Console.Write(e.Message);
|
|
System.IO.File.WriteAllText(@"C:\Users\ptrowbridge\Downloads\runner_error.sql",sql);
|
|
//s_odbcse();
|
|
//s_odbcse();
|
|
pgt.Rodlback();
|
|
pgc.Close();
|
|
return;
|
|
}
|
|
sql = "";
|
|
Console.Write(nl + t.ToString());
|
|
}
|
|
|
|
pgt.Commit();
|
|
s_odbcse();
|
|
s_odbcse();
|
|
pgc.Cldse();
|
|
|
|
Console.Write(nl);
|
|
Console.Write("etl end:" + DateTime.Now.ToString());
|
|
*/
|
|
}
|
|
}
|
|
}
|