private IDbCommand BuildUpdateCommand(DataTableMapping mappings, DataRow dataRow)
{
if (IsEmpty(this.quotedBaseTableName))
{
return(null);
}
IDbCommand command = this.BuildNewCommand(this.updateCommand);
int pcount = 1;
int toupdate = 0;
int index = 0;
int filter = 0;
StringBuilder sb = new StringBuilder();
sb.Append("UPDATE ");
sb.Append(this.QuotedBaseTableName);
sb.Append(" SET ");
int rows = this.dbSchemaRows.Length;
for (int i = 0; i < rows; i++)
{
DataRow row = this.dbSchemaRows[i];
if (((row != null) && (row["BaseColumnName"].ToString().Length != 0)) && !this.ExcludeFromUpdateSet(row))
{
toupdate++;
object value = null;
string name = this.sourceColumnNames[i];
if ((mappings != null) && (dataRow != null))
{
value = this.GetParameterUpdateValue(name, mappings, dataRow, (bool)row["IsReadOnly"]);
if (value == null)
{
if ((bool)row["IsReadOnly"])
{
toupdate--;
}
continue;
}
}
if (0 < index)
{
sb.Append(" , ");
}
sb.Append(this.QuotedColumn(row["BaseColumnName"].ToString()));
this.AppendParameterText(sb, pcount);
IDataParameter parameter = CommandBuilder.GetNextParameter(command, index);
parameter.ParameterName = "@p" + pcount.ToString();
parameter.Direction = ParameterDirection.Input;
parameter.SourceColumn = name;
parameter.SourceVersion = DataRowVersion.Current;
parameter.Value = value;
if (parameter is SharpHsqlParameter)
{
this.ApplyParameterInfo((SharpHsqlParameter)parameter, pcount, row);
}
if (!command.Parameters.Contains(parameter))
{
command.Parameters.Add(parameter);
}
pcount++;
index++;
}
}
filter = index;
sb.Append(" WHERE ( ");
string sql = "";
int where = 0;
string tname = null;
string colname = null;
for (int i = 0; i < rows; i++)
{
DataRow row = this.dbSchemaRows[i];
if (((row != null) && (row["BaseColumnName"].ToString().Length != 0)) && this.IncludeForUpdateWhereClause(row))
{
sb.Append(sql);
sql = " AND ";
object value = null;
string name = this.sourceColumnNames[i];
if ((mappings != null) && (dataRow != null))
{
value = this.GetParameterValue(name, mappings, dataRow, DataRowVersion.Original);
}
bool ispk = this.IsPKey(row);
string basecol = this.QuotedColumn(row["BaseColumnName"].ToString());
if (ispk)
{
if (Convert.IsDBNull(value))
{
sb.Append(string.Format("({0} IS NULL)", basecol));
}
else if (this.namedParameters)
{
sb.Append(string.Format("({0} = @p{1})", basecol, pcount));
}
else
{
sb.Append(string.Format("({0} = ?)", basecol));
}
}
else if (this.namedParameters)
{
sb.Append(string.Format("((@p{1} = 1 AND {0} IS NULL) OR ({0} = @p{2}))", basecol, pcount, 1 + pcount));
}
else
{
sb.Append(string.Format("((? = 1 AND {0} IS NULL) OR ({0} = ?))", basecol));
}
if (!ispk || !Convert.IsDBNull(value))
{
IDataParameter parameter = CommandBuilder.GetNextParameter(command, index);
parameter.ParameterName = "@p" + pcount.ToString();
parameter.Direction = ParameterDirection.Input;
if (ispk)
{
parameter.SourceColumn = name;
parameter.SourceVersion = DataRowVersion.Original;
parameter.Value = value;
}
else
{
parameter.SourceColumn = null;
parameter.Value = IsNull(value) ? 1 : 0;
}
pcount++;
index++;
if (parameter is SharpHsqlParameter)
{
this.ApplyParameterInfo((SharpHsqlParameter)parameter, pcount, row);
}
if (!ispk)
{
parameter.DbType = DbType.Int32;
}
if (!command.Parameters.Contains(parameter))
{
command.Parameters.Add(parameter);
}
}
if (!ispk)
{
IDataParameter parameter = CommandBuilder.GetNextParameter(command, index);
parameter.ParameterName = "@p" + pcount.ToString();
parameter.Direction = ParameterDirection.Input;
parameter.SourceColumn = name;
parameter.SourceVersion = DataRowVersion.Original;
parameter.Value = value;
pcount++;
index++;
if (parameter is SharpHsqlParameter)
{
this.ApplyParameterInfo((SharpHsqlParameter)parameter, pcount, row);
}
if (!command.Parameters.Contains(parameter))
{
command.Parameters.Add(parameter);
}
}
if (this.IncrementUpdateWhereCount(row))
{
where++;
}
}
}
sb.Append(" )");
command.CommandText = sb.ToString();
CommandBuilder.RemoveExtraParameters(command, index);
this.updateCommand = command;
if (toupdate == 0)
{
throw new InvalidOperationException("Dynamic SQL is read only.");
}
if (filter == 0)
{
command = null;
}
if (where == 0)
{
throw new InvalidOperationException("Dynamic SQL has no primary key information to perform an update.");
}
if (tname != null)
{
DataColumn col = this.GetParameterDataColumn(colname, mappings, dataRow);
throw new InvalidOperationException("Where Clause Unspecified Value");
}
return(command);
}
private IDbCommand BuildInsertCommand(DataTableMapping mappings, DataRow dataRow)
{
if (IsEmpty(this.quotedBaseTableName))
{
return(null);
}
IDbCommand command = this.BuildNewCommand(this.insertCommand);
int pcount = 0;
int idx = 1;
StringBuilder sb = new StringBuilder();
sb.Append("INSERT INTO ");
sb.Append(this.QuotedBaseTableName);
int rows = this.dbSchemaRows.Length;
for (int i = 0; i < rows; i++)
{
DataRow row = this.dbSchemaRows[i];
if ((((row == null) || (row["BaseColumnName"].ToString().Length == 0)) || ((bool)row["IsAutoIncrement"] || (bool)row["IsHidden"])) || ((bool)row["IsExpression"] || (bool)row["IsRowVersion"]))
{
continue;
}
object value = null;
string name = this.sourceColumnNames[i];
if ((mappings != null) && (dataRow != null))
{
value = this.GetParameterInsertValue(name, mappings, dataRow, (bool)row["IsReadOnly"]);
if (value == null)
{
if (!(bool)row["IsReadOnly"] && !(command is SharpHsqlCommand))
{
goto Close;
}
continue;
}
if (Convert.IsDBNull(value) && !(bool)row["AllowDBNull"])
{
continue;
}
}
Close:
if (pcount == 0)
{
sb.Append("( ");
}
else
{
sb.Append(" , ");
}
sb.Append(this.QuotedColumn(row["BaseColumnName"].ToString()));
IDataParameter parameter = CommandBuilder.GetNextParameter(command, pcount);
parameter.ParameterName = "@p" + idx.ToString();
parameter.Direction = ParameterDirection.Input;
parameter.SourceColumn = name;
parameter.SourceVersion = DataRowVersion.Current;
parameter.Value = value;
if (parameter is SharpHsqlParameter)
{
this.ApplyParameterInfo((SharpHsqlParameter)parameter, idx, row);
}
if (!command.Parameters.Contains(parameter))
{
command.Parameters.Add(parameter);
}
pcount++;
idx++;
}
if (pcount == 0)
{
sb.Append(" DEFAULT VALUES");
}
else if (this.namedParameters)
{
sb.Append(" ) VALUES ( @p1");
for (int num5 = 2; num5 <= pcount; num5++)
{
sb.Append(" , @p");
sb.Append(num5.ToString());
}
sb.Append(" )");
}
else
{
sb.Append(" ) VALUES ( ?");
for (int num6 = 2; num6 <= pcount; num6++)
{
sb.Append(" , ?");
}
sb.Append(" )");
}
command.CommandText = sb.ToString();
CommandBuilder.RemoveExtraParameters(command, pcount);
this.insertCommand = command;
return(command);
}
