public Column CreateColumn(RawTable rt, Table table, IDbContextFilter filter)
{
var col = new Column
{
Scale = rt.Scale,
PropertyType = GetPropertyType(rt.TypeName),
SqlPropertyType = rt.TypeName,
IsNullable = rt.IsNullable,
MaxLength = rt.MaxLength,
DateTimePrecision = rt.DateTimePrecision,
Precision = rt.Precision,
IsIdentity = rt.IsIdentity,
IsComputed = rt.IsComputed,
IsRowGuid = rt.IsRowGuid,
GeneratedAlwaysType = (ColumnGeneratedAlwaysType)rt.GeneratedAlwaysType,
IsStoreGenerated = rt.IsStoreGenerated,
PrimaryKeyOrdinal = rt.PrimaryKeyOrdinal,
IsPrimaryKey = rt.PrimaryKey,
IsForeignKey = rt.IsForeignKey,
IsSpatial = rt.TypeName == "geography" || rt.TypeName == "geometry",
Ordinal = rt.Ordinal,
DbName = rt.ColumnName,
Default = rt.Default,
ParentTable = table,
ExistsInBaseClass = false
};
if (col.MaxLength == -1 && (col.SqlPropertyType.EndsWith("varchar", StringComparison.InvariantCultureIgnoreCase) ||
col.SqlPropertyType.EndsWith("varbinary", StringComparison.InvariantCultureIgnoreCase)))
{
col.SqlPropertyType += "(max)";
}
if (col.IsPrimaryKey && !col.IsIdentity && col.IsStoreGenerated && rt.TypeName == "uniqueidentifier")
{
col.IsStoreGenerated = false;
col.IsIdentity = true;
}
if (!col.IsPrimaryKey && filter.IsExcluded(col))
{
col.Hidden = true;
}
col.IsFixedLength = (rt.TypeName == "char" || rt.TypeName == "nchar");
col.IsUnicode = !(rt.TypeName == "char" || rt.TypeName == "varchar" || rt.TypeName == "text");
col.IsMaxLength = (rt.TypeName == "ntext");
col.IsRowVersion = col.IsStoreGenerated && !col.IsNullable && rt.TypeName == "timestamp";
if (col.IsRowVersion)
{
col.MaxLength = 8;
}
if (rt.TypeName == "hierarchyid")
{
col.MaxLength = 0;
}
col.CleanUpDefault();
col.NameHumanCase = CleanUp(col.DbName);
if (string.IsNullOrWhiteSpace(col.NameHumanCase))
{
col.NameHumanCase = "Unknown";
col.Hidden = true;
}
col.NameHumanCase = ReservedColumnNames.Replace(col.NameHumanCase, "_$1");
if (ReservedKeywords.Contains(col.NameHumanCase))
{
col.NameHumanCase = "@" + col.NameHumanCase;
}
col.DisplayName = Column.ToDisplayName(col.DbName);
var titleCase = (Settings.UsePascalCase ? Inflector.ToTitleCase(col.NameHumanCase) : col.NameHumanCase).Replace(" ", string.Empty);
if (titleCase != string.Empty)
{
col.NameHumanCase = titleCase;
}
// Make sure property name doesn't clash with class name
if (col.NameHumanCase == table.NameHumanCase)
{
col.NameHumanCase += "_";
}
if (char.IsDigit(col.NameHumanCase[0]))
{
col.NameHumanCase = "_" + col.NameHumanCase;
}
table.HasNullableColumns = col.IsColumnNullable();
// If PropertyType is empty, return null. Most likely ignoring a column due to legacy (such as OData not supporting spatial types)
if (string.IsNullOrEmpty(col.PropertyType))
{
return(null);
}
return(col);
}
public List <RawTable> ReadTables(bool includeSynonyms)
{
if (DatabaseReaderPlugin != null)
{
return(DatabaseReaderPlugin.ReadTables());
}
var result = new List <RawTable>();
using (var conn = _factory.CreateConnection())
{
if (conn == null)
{
return(result);
}
conn.ConnectionString = Settings.ConnectionString;
conn.Open();
var cmd = GetCmd(conn);
if (cmd == null)
{
return(result);
}
string sql;
if (includeSynonyms && Settings.DatabaseType != DatabaseType.SqlCe)
{
sql = SynonymTableSQLSetup() + TableSQL() + SynonymTableSQL() + SpecialQueryFlags();
}
else
{
sql = TableSQL() + SpecialQueryFlags();
}
if (!HasTemporalTableSupport())
{
// Replace the column names (only present in SQL Server 2016 or later) with literal constants so the query works with older versions of SQL Server.
sql = sql
.Replace("[sc].[generated_always_type]", "0")
.Replace("[c].[generated_always_type]", "0")
.Replace("[st].[temporal_type]", "0");
}
cmd.CommandText = sql;
using (var rdr = cmd.ExecuteReader())
{
while (rdr.Read())
{
var table = new RawTable(
rdr["SchemaName"].ToString().Trim(),
rdr["TableName"].ToString().Trim(),
string.Compare(rdr["TableType"].ToString().Trim(), "View", StringComparison.OrdinalIgnoreCase) == 0,
ChangeType <int>(rdr["Scale"]),
rdr["TypeName"].ToString().Trim().ToLower(),
ChangeType <bool>(rdr["IsNullable"]),
ChangeType <int>(rdr["MaxLength"]),
ChangeType <int>(rdr["DateTimePrecision"]),
ChangeType <int>(rdr["Precision"]),
ChangeType <bool>(rdr["IsIdentity"]),
ChangeType <bool>(rdr["IsComputed"]),
ChangeType <bool>(rdr["IsRowGuid"]),
ChangeType <byte>(rdr["GeneratedAlwaysType"]),
ChangeType <bool>(rdr["IsStoreGenerated"]),
ChangeType <int>(rdr["PrimaryKeyOrdinal"]),
ChangeType <bool>(rdr["PrimaryKey"]),
ChangeType <bool>(rdr["IsForeignKey"]),
ChangeType <int>(rdr["Ordinal"]),
rdr["ColumnName"].ToString().Trim(),
rdr["Default"].ToString().Trim()
);
result.Add(table);
}
}
}
return(result);
}
