public void SaveConstraints(TableStructure table, DatabaseAnalyser analyser)
{
MergeKeys();
cols.Sort(CompareCols);
bool refsAdded = false;
foreach (Key key in keys)
{
if (key.IsForTable(table))
{
switch (key.keytype)
{
case "PRIMARY KEY":
{
PrimaryKey cnt = new PrimaryKey();
cnt.Name = key.keyname;
//cnt.Table = new NameWithSchema(key.tblschema, key.tblname);
foreach (Col col in GetCols(key))
{
cnt.Columns.Add(col.getcolref());
}
if (!analyser.SkipConstraint(cnt))
{
table._Constraints.Add(cnt);
}
} break;
case "FOREIGN KEY":
{
ForeignKey cnt = new ForeignKey();
FillFk(key, cnt);
if (!analyser.SkipConstraint(cnt))
{
table._Constraints.Add(cnt);
}
} break;
case "UNIQUE":
{
UniqueConstraint cnt = new UniqueConstraint();
cnt.Name = key.keyname;
//cnt.Table = new NameWithSchema(key.tblschema, key.tblname);
foreach (Col col in GetCols(key))
{
cnt.Columns.Add(col.getcolref());
}
if (!analyser.SkipConstraint(cnt))
{
table._Constraints.Add(cnt);
}
} break;
case "CHECK":
{
CheckConstraint cnt = new CheckConstraint();
cnt.Name = key.keyname;
//cnt.Table = new NameWithSchema(key.tblschema, key.tblname);
cnt.Expression = key.checkexpr;
if (!analyser.SkipConstraint(cnt))
{
table._Constraints.Add(cnt);
}
} break;
case "INDEX":
{
IndexConstraint cnt = new IndexConstraint();
cnt.Name = key.keyname;
cnt.IsUnique = key.keyisunique ?? false;
//cnt.Table = new NameWithSchema(key.tblschema, key.tblname);
foreach (Col col in GetCols(key))
{
cnt.Columns.Add(col.getcolref());
}
if (!analyser.SkipConstraint(cnt))
{
table._Constraints.Add(cnt);
}
} break;
}
}
if (key.IsForTableDest(table) && key.keytype == "FOREIGN KEY")
{
ForeignKey cnt = new ForeignKey();
FillFk(key, cnt);
refsAdded = true;
table.AddReference(cnt);
//table._ReferencedFrom.Add(cnt);
}
}
// deduce keys from columns
if (keys.Count == 0 && AllowDeduceFromColumns)
{
var pks = new Dictionary <string, PrimaryKey>();
var fks = new Dictionary <string, ForeignKey>();
var uqs = new Dictionary <string, UniqueConstraint>();
var idxs = new Dictionary <string, IndexConstraint>();
foreach (Col col in cols)
{
if (!col.IsForTable(table))
{
continue;
}
if (col.keytype == null)
{
continue;
}
switch (col.keytype)
{
case "PRIMARY KEY":
{
if (!pks.ContainsKey(col.keyname))
{
pks[col.keyname] = new PrimaryKey();
table._Constraints.Add(pks[col.keyname]);
}
// zde NESMI byt cnt.SetDummyTable
//pks[col.keyname].Table = table.FullName;
pks[col.keyname].Name = col.keyname;
pks[col.keyname].Columns.Add(col.getcolref());
} break;
case "FOREIGN KEY":
{
if (!fks.ContainsKey(col.keyname))
{
fks[col.keyname] = new ForeignKey();
table._Constraints.Add(fks[col.keyname]);
}
// zde NESMI byt cnt.SetDummyTable
//fks[col.keyname].Table = table.FullName;
fks[col.keyname].Name = col.keyname;
fks[col.keyname].Columns.Add(col.getcolref());
fks[col.keyname].PrimaryKeyColumns.Add(col.getdstcolref());
fks[col.keyname].PrimaryKeyTable = analyser.NewNameWithSchema(col.dsttblschema, col.dsttblname);
} break;
case "UNIQUE":
{
if (!uqs.ContainsKey(col.keyname))
{
uqs[col.keyname] = new UniqueConstraint();
table._Constraints.Add(uqs[col.keyname]);
}
// zde NESMI byt cnt.SetDummyTable
//uqs[col.keyname].Table = table.FullName;
uqs[col.keyname].Name = col.keyname;
uqs[col.keyname].Columns.Add(col.getcolref());
} break;
case "INDEX":
{
if (!idxs.ContainsKey(col.keyname))
{
idxs[col.keyname] = new IndexConstraint();
table._Constraints.Add(idxs[col.keyname]);
}
// zde NESMI byt cnt.SetDummyTable
//idxs[col.keyname].Table = table.FullName;
idxs[col.keyname].Name = col.keyname;
idxs[col.keyname].Columns.Add(col.getcolref());
idxs[col.keyname].IsUnique = col.keyisunique;
} break;
}
}
}
if (!refsAdded)
{
Dictionary <string, ForeignKey> refs = new Dictionary <string, ForeignKey>();
foreach (Col col in cols)
{
if (col.IsForTableDest(table))
{
if (!refs.ContainsKey(col.keyname))
{
refs[col.keyname] = new ForeignKey();
}
ForeignKey cnt = refs[col.keyname];
cnt.Name = col.keyname;
cnt.SetDummyTable(new NameWithSchema(col.tblschema, col.tblname));
cnt.PrimaryKeyTable = new NameWithSchema(col.dsttblschema, col.dsttblname);
cnt.Columns.Add(col.getcolref());
cnt.PrimaryKeyColumns.Add(col.getdstcolref());
}
}
foreach (ForeignKey fk in refs.Values)
{
table.AddReference(fk);
}
}
//pkcols.Sort(CompareCols);
//fkcols.Sort(CompareCols);
//refcols.Sort(CompareCols);
//foreach (Pk pk in pks)
//{
// if (pk.tblname != table.Name && pk.tblschema != table.SchemaName) continue;
// PrimaryKey cnt = new PrimaryKey();
// cnt.Name = pk.pkname;
// cnt.Table = new NameWithSchema(pk.tblschema, pk.tblname);
// foreach (PkCol col in GetPkCols(pk))
// {
// cnt.Columns.Add(col.colname);
// }
// table.Constraints.Add(cnt);
//}
//SaveFks(fks, fkcols, table.Constraints, table.FullName, Fk.ExtractTable);
//SaveFks(fks, fkcols, table.ReferencedFrom, table.FullName, Fk.ExtractDestTable);
}
protected virtual void ReadFkSpecial(ForeignKey fk)
{
}
public void AddReference(ForeignKey fk)
{
((DatabaseStructure)Database).FindOrCreateTable(fk.Table.FullName)._Constraints.Add(fk);
fk.m_addedAsReference = true;
}