public DB2iSeriesProviderOptions(string providerName, DB2iSeriesProviderType providerType, DB2iSeriesVersion version)
: this(providerName, providerType)
{
SupportsOffsetClause = version > DB2iSeriesVersion.V7_2;
SupportsTruncateTable = version > DB2iSeriesVersion.V7_1 && !providerType.IsOdbc();
SupportsMergeStatement = version >= DB2iSeriesVersion.V7_1;
SupportsNCharTypes = version >= DB2iSeriesVersion.V7_1;
}
public DB2iSeriesSqlProviderFlags(
DB2iSeriesVersion version,
DB2iSeriesProviderType providerType)
: this(
supportsOffsetClause : version >= DB2iSeriesVersion.V7_3,
supportsTruncateTable : version >= DB2iSeriesVersion.V7_2 && !providerType.IsOdbc(),
supportsNamedParameters : providerType.IsIBM(),
supportsMergeStatement : version >= DB2iSeriesVersion.V7_1,
supportsNCharTypes : version >= DB2iSeriesVersion.V7_1
)
{
}
/// <summary>
/// Build a DB2 iSeries data provider.
/// </summary>
/// <param name="providerOptions">The provider's construction options, see <see cref="DB2iSeriesProviderOptions"/></param>
public DB2iSeriesDataProvider(DB2iSeriesProviderOptions providerOptions)
: base(
providerOptions.ProviderName,
GetMappingSchema(
providerOptions.ProviderName,
providerOptions.ProviderType,
providerOptions.MapGuidAsString),
DB2iSeriesProviderAdapter.GetInstance(providerOptions.ProviderType))
{
this.db2iSeriesSqlProviderFlags = new DB2iSeriesSqlProviderFlags(providerOptions);
this.mappingOptions = new DB2iSeriesMappingOptions(providerOptions);
this.ProviderType = providerOptions.ProviderType;
DB2iSeriesLoadExpressions.SetupExpressions(providerOptions.ProviderName, mappingOptions.MapGuidAsString);
SqlProviderFlags.AcceptsTakeAsParameter = false;
SqlProviderFlags.AcceptsTakeAsParameterIfSkip = true;
SqlProviderFlags.IsDistinctOrderBySupported = false;
SqlProviderFlags.CanCombineParameters = false;
SqlProviderFlags.IsCommonTableExpressionsSupported = true;
SqlProviderFlags.IsUpdateFromSupported = false;
db2iSeriesSqlProviderFlags.SetCustomFlags(SqlProviderFlags);
mappingOptions.SetCustomFlags(SqlProviderFlags);
SetCharField(Constants.DbTypes.Char, (r, i) => r.GetString(i).TrimEnd(' '));
SetCharField(Constants.DbTypes.NChar, (r, i) => r.GetString(i).TrimEnd(' '));
SetCharField(Constants.DbTypes.Graphic, (r, i) => r.GetString(i).TrimEnd(' '));
sqlOptimizer = new DB2iSeriesSqlOptimizer(SqlProviderFlags, db2iSeriesSqlProviderFlags);
schemaProvider = new DB2iSeriesSchemaProvider(this);
bulkCopy = new DB2iSeriesBulkCopy(this);
if (ProviderType.IsOdbc())
{
SetupOdbc();
}
else if (ProviderType.IsOleDb())
{
SetupOleDb();
}
#if NETFRAMEWORK
else if (ProviderType.IsAccessClient())
{
SetupAccessClient();
}
#endif
else if (ProviderType.IsDB2())
{
SetupDB2Connect();
}
}