public static string FromDataTable(string tableName, DataTable schema, int[] primaryKeys = null)
{
var sqlTable = new SqlTableDefinition
{
TableName = tableName
};
// columns
foreach (DataRow column in schema.Rows)
{
var sqlCol = new SqlColumnDefinition();
if (!(schema.Columns.Contains("IsHidden") && (bool)column["IsHidden"]))
{
sqlCol.ColumnName = column["ColumnName"].ToString();
sqlCol.DataType = CreateTableSqlInternal.SqlGetType(column);
if (schema.Columns.Contains("AllowDBNull") && ((bool)column["AllowDBNull"] == false))
{
sqlCol.IsNullable = false;
}
}
sqlTable.ColumnDefinitions.Add(sqlCol);
}
// primary keys
var hasKeys = (primaryKeys != null) && (primaryKeys.Length > 0);
if (hasKeys)
{
// user defined keys
foreach (var key in primaryKeys)
{
sqlTable.PrimaryKeyColumnNames.Add(schema.Rows[key]["ColumnName"].ToString());
}
}
else
{
// check schema for keys
sqlTable.PrimaryKeyColumnNames.AddRange(schema.GetPrimaryKeys());
hasKeys = sqlTable.PrimaryKeyColumnNames.Count > 0;
}
return(CreateTableSqlInternal.FromSqlTableDefinition(sqlTable));
}
public static string FromDataTable2(string tableName, DataTable table)
{
var sql = "CREATE TABLE [" + tableName + "] (\n";
// columns
foreach (DataColumn column in table.Columns)
{
sql += "[" + column.ColumnName + "] " + CreateTableSqlInternal.SqlGetType(column) + ",\n";
}
sql = sql.TrimEnd(',', '\n') + "\n";
// primary keys
if (table.PrimaryKey.Length > 0)
{
sql += "CONSTRAINT [PK_" + tableName + "] PRIMARY KEY CLUSTERED (";
foreach (var column in table.PrimaryKey)
{
sql += "[" + column.ColumnName + "],";
}
sql = sql.TrimEnd(',') + "))\n";
}
return(sql);
}
