public static void Main(string[] args)
{
Spartacus.Database.Generic v_db;
System.Data.DataTable v_table;
Console.WriteLine("Exemplo PostgreSQL usando Spartacus");
Console.WriteLine();
try
{
// 1) informar qual SGBD e dados de conexão
v_db = new Spartacus.Database.Postgresql("127.0.0.1", "lugares", "postgres", "knightnote");
// 2) fazer a consulta e jogar os resultados no DataTable
v_table = v_db.Query("select * from estados", "ESTADOS");
// 3) usar o DataTable (imprimir na tela)
foreach (System.Data.DataColumn c in v_table.Columns)
Console.Write("{0} ", c.ColumnName);
Console.WriteLine();
foreach (System.Data.DataRow r in v_table.Rows)
{
foreach (System.Data.DataColumn c in v_table.Columns)
Console.Write("{0} ", r[c].ToString());
Console.WriteLine();
}
}
catch (Spartacus.Database.Exception exc)
{
Console.WriteLine(exc.v_message);
}
}
public static void Main(string[] args)
{
Spartacus.Utils.ProgressEventClass v_progress;
Spartacus.Utils.ErrorEventClass v_error;
Spartacus.Database.Command v_cmd;
Spartacus.Database.Generic database = new Spartacus.Database.Postgresql("192.168.56.2","cotacoes","psotgres","Crc19D98C");
v_progress = new Spartacus.Utils.ProgressEventClass();
v_error = new Spartacus.Utils.ErrorEventClass();
int[] v_exp = { 1, 5, 10, 50, 100, 250, 500, 750, 1000, 2000, 3000 };
System.Diagnostics.Stopwatch v_watch = new System.Diagnostics.Stopwatch();
foreach (int v_bloco in v_exp)
{
database.v_blocksize = v_bloco;
v_watch.Start;
database.Open();
database.TransferFromFile(
"Caminho Do Arquivo Aqui",
";",
"",
false,
System.Text.Encoding.UTF8,
"cotacoes", // tabela existe
"(dia,codmoeda,tipomoeda,siglamoeda,taxacompra,taxavenda,parcompra,parvenda)",
v_cmd,
v_progress,
v_error
);
database.Close();
v_watch.Stop;
Console.WriteLine("Tamanho de bloco = {0}, tempo total = {1}", v_bloco, v_watch.Elapsed);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="OmniDB.Database.PostgreSQL"/> class.
/// </summary>
/// <param name="p_server">Connection address.</param>
/// <param name="p_port">Connection port.</param>
/// <param name="p_service">Database name.</param>
/// <param name="p_user">Database user.</param>
/// <param name="p_password">Database password.</param>
/// <param name="p_schema">Schema.</param>
public PostgreSQL(string p_conn_id, string p_server, string p_port, string p_service, string p_user, string p_password, string p_schema)
: base("postgresql", p_conn_id)
{
v_server = p_server;
v_port = p_port;
v_service = p_service;
v_user = p_user;
v_has_schema = true;
v_has_update_rule = true;
v_default_string = "text";
v_can_rename_table = true;
v_rename_table_command = "alter table #p_table_name# rename to #p_new_table_name#";
v_create_pk_command = "constraint #p_constraint_name# primary key (#p_columns#)";
v_create_fk_command = "constraint #p_constraint_name# foreign key (#p_columns#) references #p_r_table_name# (#p_r_columns#) #p_delete_update_rules#";
v_create_unique_command = "constraint #p_constraint_name# unique (#p_columns#)";
v_can_alter_type = true;
v_alter_type_command = "alter table #p_table_name# alter #p_column_name# type #p_new_data_type#";
v_can_alter_nullable = true;
v_set_nullable_command = "alter table #p_table_name# alter #p_column_name# drop not null";
v_drop_nullable_command = "alter table #p_table_name# alter #p_column_name# set not null";
v_can_rename_column = true;
v_rename_column_command = "alter table #p_table_name# rename #p_column_name# to #p_new_column_name#";
v_can_add_column = true;
v_add_column_command = "alter table #p_table_name# add column #p_column_name# #p_data_type# #p_nullable#";
v_can_drop_column = true;
v_drop_column_command = "alter table #p_table_name# drop #p_column_name#";
v_can_add_constraint = true;
v_add_pk_command = "alter table #p_table_name# add constraint #p_constraint_name# primary key (#p_columns#)";
v_add_fk_command = "alter table #p_table_name# add constraint #p_constraint_name# foreign key (#p_columns#) references #p_r_table_name# (#p_r_columns#) #p_delete_update_rules#";
v_add_unique_command = "alter table #p_table_name# add constraint #p_constraint_name# unique (#p_columns#)";
v_can_drop_constraint = true;
v_drop_pk_command = "alter table #p_table_name# drop constraint #p_constraint_name#";
v_drop_fk_command = "alter table #p_table_name# drop constraint #p_constraint_name#";
v_drop_unique_command = "alter table #p_table_name# drop constraint #p_constraint_name#";
v_create_index_command = "create #p_uniqueness# index #p_index_name# on #p_table_name# (#p_columns#)";
v_create_index_command = "create index #p_index_name# on #p_table_name# (#p_columns#)";
v_create_unique_index_command = "create unique index #p_index_name# on #p_table_name# (#p_columns#)";
v_drop_index_command = "drop index #p_schema_name#.#p_index_name#";
v_update_rules = new System.Collections.Generic.List <string> ();
v_delete_rules = new System.Collections.Generic.List <string> ();
v_delete_rules.Add("");
v_delete_rules.Add("NO ACTION");
v_delete_rules.Add("RESTRICT");
v_delete_rules.Add("SET NULL");
v_delete_rules.Add("SET DEFAULT");
v_delete_rules.Add("CASCADE");
v_update_rules.Add("");
v_update_rules.Add("NO ACTION");
v_update_rules.Add("RESTRICT");
v_update_rules.Add("SET NULL");
v_update_rules.Add("SET DEFAULT");
v_update_rules.Add("CASCADE");
v_trim_function = "trim";
v_transfer_block_size = new System.Collections.Generic.List <uint> ();
v_transfer_block_size.Add(50);
v_transfer_block_size.Add(100);
v_transfer_block_size.Add(200);
v_transfer_block_size.Add(400);
if (p_schema == "")
{
v_schema = "public";
}
else
{
v_schema = p_schema;
}
v_connection = new Spartacus.Database.Postgresql(p_server, p_port, p_service, p_user, p_password);
v_connection.v_execute_security = false;
v_has_functions = true;
v_has_procedures = false;
}