|
public GetSchema ( string collection, String restrictions ) : |
||
| collection | string | |
| restrictions | String | |
| Результат | ||
/// <summary>
/// Returns schema information for the data source of this
/// <see cref="DbConnection"/> using the specified string for the schema name.
/// </summary>
/// <param name="collectionName">Specifies the name of the schema to return. </param>
/// <returns>A <see cref="DataTable"/> that contains schema information. </returns>
public override DataTable GetSchema(string collectionName)
{
if (collectionName == null)
{
collectionName = SchemaProvider.MetaCollection;
}
return(schemaProvider.GetSchema(collectionName, null));
}
public MySqlSchemaCollection GetSchemaCollection(string collectionName, string[] restrictionValues)
{
if (collectionName == null)
{
collectionName = SchemaProvider.MetaCollection;
}
string[] restrictions = _schemaProvider.CleanRestrictions(restrictionValues);
MySqlSchemaCollection c = _schemaProvider.GetSchema(collectionName, restrictions);
return(c);
}
/// <summary>
/// Returns schema information for the data source of this <see cref="DbConnection"/>
/// using the specified string for the schema name and the specified string array
/// for the restriction values.
/// </summary>
/// <param name="collectionName">Specifies the name of the schema to return.</param>
/// <param name="restrictionValues">Specifies a set of restriction values for the requested schema.</param>
/// <returns>A <see cref="DataTable"/> that contains schema information.</returns>
public override DataTable GetSchema(string collectionName, string[] restrictionValues)
{
if (collectionName == null)
{
collectionName = SchemaProvider.MetaCollection;
}
string[] restrictions = schemaProvider.CleanRestrictions(restrictionValues);
DataTable dt = schemaProvider.GetSchema(collectionName, restrictions);
return(dt);
}
/// <summary>
/// Returns schema information for the data source of this <see cref="DbConnection"/>
/// using the specified string for the schema name and the specified string array
/// for the restriction values.
/// </summary>
/// <param name="collectionName">Specifies the name of the schema to return.</param>
/// <param name="restrictionValues">Specifies a set of restriction values for the requested schema.</param>
/// <returns>A <see cref="DataTable"/> that contains schema information.</returns>
public override DataTable GetSchema(string collectionName, string[] restrictionValues)
{
/* string msg = String.Format("collection name2 = {0}", collectionName);
* if (restrictionValues != null)
* foreach (string s in restrictionValues)
* {
* msg += String.Format(" res={0}", s);
* }
* System.Windows.Forms.MessageBox.Show(msg);
*/
if (collectionName == null)
{
collectionName = SchemaProvider.MetaCollection;
}
string[] restrictions = null;
if (restrictionValues != null)
{
restrictions = (string[])restrictionValues.Clone();
for (int x = 0; x < restrictions.Length; x++)
{
string s = restrictions[x];
if (s != null)
{
if (s.StartsWith("`"))
{
s = s.Substring(1);
}
if (s.EndsWith("`"))
{
s = s.Substring(0, s.Length - 1);
}
restrictions[x] = s;
}
}
}
DataTable dt = schemaProvider.GetSchema(collectionName, restrictions);
return(dt);
}
