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; }