37 lines
1.6 KiB
C#
37 lines
1.6 KiB
C#
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using Npgsql;
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namespace BeautySalonDatabase.Implements
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{
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public class ClearDatabase
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{
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public void Clear()
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{
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using var conn = GetConnection();
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conn.Open();
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using var cmd = new NpgsqlCommand("drop sequence if exists seq_specialisation; " +
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"drop sequence if exists seq_service; " +
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"drop sequence if exists seq_master; " +
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"drop sequence if exists seq_client; " +
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"drop sequence if exists seq_reception; " +
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"drop sequence if exists seq_cheque; " +
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"create sequence seq_specialisation increment by 1 start with 1 minvalue 1; " +
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"create sequence seq_service increment by 1 start with 1 minvalue 1; " +
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"create sequence seq_master increment by 1 start with 1 minvalue 1; " +
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"create sequence seq_client increment by 1 start with 1 minvalue 1; " +
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"create sequence seq_reception increment by 1 start with 1 minvalue 1; " +
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"create sequence seq_cheque increment by 1 start with 1 minvalue 1; " +
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"delete from specialisations; " +
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"delete from services; " +
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"delete from masters; " +
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"delete from clients; " +
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"delete from cheques;");
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cmd.ExecuteNonQuery();
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}
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public NpgsqlConnection GetConnection()
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{
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return new NpgsqlConnection("Host=127.0.0.1;Port=5555;Username=elina;Database=beauty_salon;Password=elina");
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}
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}
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}
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