private DataTable Schema_Triggers(string catalog, string table, string triggerName)
{
DataTable tbl = new DataTable("Triggers");
DataRow row;
tbl.Locale = CultureInfo.InvariantCulture;
tbl.Columns.Add("TABLE_CATALOG", typeof(string));
tbl.Columns.Add("TABLE_SCHEMA", typeof(string));
tbl.Columns.Add("TABLE_NAME", typeof(string));
tbl.Columns.Add("TRIGGER_NAME", typeof(string));
tbl.Columns.Add("TRIGGER_DEFINITION", typeof(string));
tbl.BeginLoadData();
if (String.IsNullOrEmpty(table)) table = null;
if (String.IsNullOrEmpty(catalog)) catalog = "main";
string master = (String.Compare(catalog, "temp", true, CultureInfo.InvariantCulture) == 0) ? _tempmasterdb : _masterdb;
using (SqliteCommand cmd = new SqliteCommand(String.Format(CultureInfo.InvariantCulture, "SELECT [type], [name], [tbl_name], [rootpage], [sql], [rowid] FROM [{0}].[{1}] WHERE [type] LIKE 'trigger'", catalog, master), this))
using (SqliteDataReader rd = (SqliteDataReader)cmd.ExecuteReader())
{
while (rd.Read())
{
if (String.Compare(rd.GetString(1), triggerName, true, CultureInfo.InvariantCulture) == 0
|| triggerName == null)
{
if (table == null || String.Compare(table, rd.GetString(2), true, CultureInfo.InvariantCulture) == 0)
{
row = tbl.NewRow();
row["TABLE_CATALOG"] = catalog;
row["TABLE_NAME"] = rd.GetString(2);
row["TRIGGER_NAME"] = rd.GetString(1);
row["TRIGGER_DEFINITION"] = rd.GetString(4);
tbl.Rows.Add(row);
}
}
}
}
tbl.AcceptChanges();
tbl.EndLoadData();
return tbl;
}