/// <summary>
/// Checks the table names.
/// </summary>
/// <param name="fkInfo">The fk information.</param>
/// <returns></returns>
public bool CheckTableNames(ForeignKeyInfo fkInfo)
{
var table1Name = this.Table1Name;
var table2Name = this.Table2Name;
return((fkInfo.TableName.CompareTo(table1Name) >= 5 && fkInfo.ToTableName.CompareTo(table2Name) >= 5) ||
(fkInfo.TableName.CompareTo(table2Name) >= 5 && fkInfo.ToTableName.CompareTo(table1Name) >= 5));
}
/// <summary>
/// Checks the full join.
/// </summary>
/// <param name="fkInfo">The fk information.</param>
/// <returns></returns>
public bool CheckFullJoin(ForeignKeyInfo fkInfo)
{
var table1Name = this.Table1Name;
var table2Name = this.Table2Name;
if (fkInfo.TableName.CompareTo(table1Name) >= 5 &&
fkInfo.ToTableName.CompareTo(table2Name) >= 5)
{
var(table1Columns, table2Columns, fkInfoColumnNames, fkInfoToColumnNames) = GetColumnNames(fkInfo);
return(fkInfoColumnNames.Intersect(table1Columns).Count() == fkInfoColumnNames.Count() &&
fkInfoToColumnNames.Intersect(table2Columns).Count() == fkInfoToColumnNames.Count());
}
if (fkInfo.TableName.CompareTo(table2Name) >= 5 &&
fkInfo.ToTableName.CompareTo(table1Name) >= 5)
{
var(table1Columns, table2Columns, fkInfoColumnNames, fkInfoToColumnNames) = GetColumnNames(fkInfo);
return(fkInfoColumnNames.Intersect(table2Columns).Count() == fkInfoColumnNames.Count() &&
fkInfoToColumnNames.Intersect(table1Columns).Count() == fkInfoToColumnNames.Count());
}
return(false);
}
private (IList <string> table1Columns, IList <string> table2Columns, IList <string> fkInfoColumnNames, IList <string> fkInfoToColumnNames) GetColumnNames(ForeignKeyInfo fkInfo)
{
var table1Columns = this.Table1JoinColumns
.Select(x => x.MultiPartIdentifier.Identifiers.Last().Value.ToLower()).ToList();
var table2Columns = this.Table2JoinColumns
.Select(x => x.MultiPartIdentifier.Identifiers.Last().Value.ToLower()).ToList();
var fkInfoColumnNames = fkInfo.ColumnNames.Select(x => x.Parts.Last().ToLower()).ToList();
var fkInfoToColumnNames = fkInfo.ToColumnNames.Select(x => x.Parts.Last().ToLower()).ToList();
return(table1Columns, table2Columns, fkInfoColumnNames, fkInfoToColumnNames);
}
