public void GetIndexes(MetaInfoIndexes indexes, MetaInfoTables tables)
{
//table.Indexes.Clear();
foreach (DataRow row in SelectData(GetIndexesSql()).Rows)
{
string persistentSchema = row[SqlColName_IndexOwner].ToString();
string persistentName = row[SqlColName_IndexName].ToString();
bool isUnique = int.Parse(row[SqlColName_IsUnique].ToString()) == 1 ? true : false;
MetaInfoIndex ix = indexes.FindByPersistentName(persistentSchema, persistentName, false);
bool indexExists = ix != null;
if (!indexExists)
{
ix = new MetaInfoIndex();
ix.PersistentSchema = persistentSchema;
ix.PersistentName = persistentName;
ix.IsUnique = isUnique;
}
string tableSchema = row[SqlColName_TableSchema].ToString();
string tableName = row[SqlColName_TableName].ToString();
MetaInfoTable table = tables.FindByPersistentName(tableSchema, tableName, true);
if (table != null)
{
ix.Table = table;
ix.Columns.Add(table.Columns.FindByPersistentName(row[SqlColName_ColumnName].ToString(), true));
if (!indexExists)
{
table.Indexes.Add(ix);
indexes.Add(ix);
}
}
Logger.ProgressStep();
}
}
private void ProcessForeignKeys()
{
metaProvider.GetForeignKeys(this.Tables);
metaProvider.GetIndexes(this.Indexes, this.Tables);
foreach (MetaInfoTable table in this.Tables)
{
foreach (MetaInfoForeignKey fk in table.ForeignKeys)
{
md.SetCurrentToRoot();
fk.Node = md.CreateElement("Relation");
XmlNode commentNode = md.CreateComment("Relation imported from FK {0}", fk.FullPersistentName);
md.AddAttribute("name", fk.Name);
md.AddAttribute("entity", fk.Child.Name);
// name2 will be generated by GL
md.AddAttribute("entity2", fk.Parent.Name);
md.AddAttribute("cardinality", "M:1");
md.AddAttribute("persistentName", fk.PersistentName);
// Try to associate with index
MetaInfoColumns fkCols = new MetaInfoColumns();
foreach (MetaInfoColumnsMatch cm in fk.ColumnsMatches)
{
fkCols.Add(cm.Child);
}
MetaInfoIndex ix = this.Indexes.FindByColumns(fkCols);
if (ix != null)
{
md.AddAttribute("indexName", ix.PersistentName);
ix.Generate = false;
}
foreach (MetaInfoColumnsMatch cm in fk.ColumnsMatches)
{
md.CreateElement("AttributeMatch");
md.AddAttribute("attribute", cm.Child.Name);
md.AddAttribute("attribute2", cm.Parent.Name);
fk.Node.AppendChild(md.CurrentNode);
}
// Place node after child entity declaration
if (fk.Child != null)
{
md.Document.DocumentElement.InsertAfter(fk.Node, fk.Child.Node);
}
else
{
md.Document.DocumentElement.AppendChild(commentNode);
md.Document.DocumentElement.AppendChild(fk.Node);
}
}
}
}
private void ProcessIndexes()
{
// Mark non-generated indexes
foreach (MetaInfoTable table in this.Tables)
{
if (table.PrimaryKey != null)
{
MetaInfoIndex ix = this.Indexes.FindByPersistentName(table.PersistentSchema, table.PrimaryKey.PersistentName, false);
if (ix != null)
{
ix.Generate = false;
}
}
foreach (MetaInfoUniqueConstraint uc in table.UniqueConstraints)
{
MetaInfoIndex ix = this.Indexes.FindByPersistentName(uc.PersistentSchema, uc.PersistentName, false);
if (ix != null)
{
ix.Generate = false;
}
}
}
foreach (MetaInfoIndex ix in this.Indexes)
{
if (!ix.Generate)
{
continue;
}
md.SetCurrentToRoot();
md.CreateComment("Index imported from {0}", ix.FullPersistentName);
ix.Node = md.CreateElement("Index");
md.AddAttribute("name", ix.PersistentName);
md.AddAttribute("unique", ix.IsUnique ? "true" : "false");
md.AddAttribute("entitySchema", ix.Table.Schema);
md.AddAttribute("entityName", ix.Table.Name);
foreach (MetaInfoColumn col in ix.Columns)
{
md.CreateElement("OnAttribute");
md.AddAttribute("name", col.Name);
ix.Node.AppendChild(md.CurrentNode);
}
md.Document.DocumentElement.AppendChild(ix.Node);
}
}
