//------------------------------------------------------------------------------------------------
public static CResultAErreur SuppressionTable(string strNomTable, IDatabaseConnexion connexion)
{
CResultAErreur result = CResultAErreur.True;
if (CAccessTableCreatorOld.TableExists(strNomTable, connexion))
{
result = CAccessTableCreatorOld.DeleteTable(strNomTable, connexion);
}
return(result);
}
//------------------------------------------------------------------------------------------------
public static CResultAErreur CreationOuUpdateTableFromType(Type tp, IDatabaseConnexion connexion, ArrayList strChampsAutorisesANull)
{
CResultAErreur result = CResultAErreur.True;
CStructureTable structure = CStructureTable.GetStructure(tp);
if (!result)
{
return(result);
}
//S'assure que toutes les tables parentes existent
foreach (CInfoRelation relation in structure.RelationsParentes)
{
if (relation.TableParente != structure.NomTable)
{
string strNomTableParenteInDb = CContexteDonnee.GetNomTableInDbForNomTable(relation.TableParente);
if (!CAccessTableCreatorOld.TableExists(strNomTableParenteInDb, connexion))
{
result = CreationOuUpdateTableFromType(CContexteDonnee.GetTypeForTable(relation.TableParente), connexion);
if (!result)
{
return(result);
}
}
}
}
if (CAccessTableCreatorOld.TableExists(structure.NomTableInDb, connexion))
{
result = CAccessTableCreatorOld.UpdateTable(structure, connexion, strChampsAutorisesANull);
}
else
{
result = CAccessTableCreatorOld.CreateTable(structure, connexion);
}
return(result);
}
//------------------------------------------------------------------------------------------------
public static CResultAErreur CreationOuUpdateTableFromType(Type tp, IDatabaseConnexion connexion)
{
return(CAccessTableCreatorOld.CreationOuUpdateTableFromType(tp, connexion, new ArrayList()));
}
//------------------------------------------------------------------------------------------------
public static CResultAErreur UpdateTable(CStructureTable structure, IDatabaseConnexion connexion, ArrayList strChampsAutorisesANull)
{
ArrayList champsCrees = new ArrayList();
CResultAErreur result = CResultAErreur.True;
IDataAdapter adapter = connexion.GetSimpleReadAdapter("SELECT * FROM " + structure.NomTableInDb);
DataSet ds = new DataSet();
adapter.FillSchema(ds, SchemaType.Mapped);
DataTable dt = ds.Tables["TABLE"];
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#region M.A.J des champs de la table
foreach (CInfoChampTable info in structure.Champs)
{
bool bExists = true;
bool bModifiedType = false;
bool bModifiedNotNull = false;
bool bModifiedLength = false;
foreach (DataColumn colonne in dt.Columns)
{
if (info.NomChamp == colonne.ColumnName)
{
if (info.IsLongString)
{
if (colonne.MaxLength < 10000)
{
bModifiedLength = true;
}
}
else
if (colonne.MaxLength != info.Longueur && info.TypeDonnee == typeof(string))
{
bModifiedLength = true;
}
if (colonne.DataType != info.TypeDonnee)
{
if (info.TypeDonnee != typeof(CDonneeBinaireInRow) && colonne.DataType != typeof(byte[]))
{
bModifiedType = true;
}
}
if (colonne.AllowDBNull != info.NullAuthorized)
{
bModifiedNotNull = true;
}
bExists = true;
break;
}
bExists = false;
}
if (!bExists)
{
string strRequeteUpdate = "ALTER TABLE " + structure.NomTableInDb + " ADD " + info.NomChamp + " ";
string strType = (new CSQLServeurTypeMappeur()).GetStringDBTypeFromType(info.TypeDonnee);
if (info.TypeDonnee == typeof(string))
{
if (!info.IsLongString)
{
strType += "(" + info.Longueur.ToString() + ") ";
}
else
{
strType = "NText";
}
}
strRequeteUpdate += strType;
if (!info.NullAuthorized && !strChampsAutorisesANull.Contains(info.NomChamp))
{
strRequeteUpdate += " NOT NULL DEFAULT ''";
}
result = connexion.RunStatement(strRequeteUpdate);
if (!result)
{
result.EmpileErreur(I.T("Error while fields updating of table @1|131", structure.NomTableInDb));
return(result);
}
champsCrees.Add(info.NomChamp);
}
else if (bModifiedType || bModifiedNotNull || bModifiedLength)
{
if (info.IsIndex)
{
SupprimeIndex(structure.NomTableInDb, connexion, info.NomChamp);
}
string strRequeteUpdate = "ALTER TABLE " + structure.NomTableInDb + " ALTER COLUMN " + info.NomChamp + " ";
string strType = (new CSQLServeurTypeMappeur()).GetStringDBTypeFromType(info.TypeDonnee);
if (info.TypeDonnee == typeof(string))
{
if (!info.IsLongString)
{
strType += "(" + info.Longueur.ToString() + ") ";
}
else
{
strType = "NText";
}
}
strRequeteUpdate += strType;
if (!info.NullAuthorized && !strChampsAutorisesANull.Contains(info.NomChamp))
{
strRequeteUpdate += " NOT NULL ";
}
result = connexion.RunStatement(strRequeteUpdate);
if (!result)
{
result.EmpileErreur(I.T("Error while fields updating of table @1|131", structure.NomTableInDb));
return(result);
}
}
if (info.IsIndex)
{
result = CreateOrUpdateIndex(structure.NomTableInDb, connexion, info.NomChamp);
}
else
{
result = SupprimeIndex(structure.NomTableInDb, connexion, info.NomChamp);
}
}
// Suppression d'une colonne de la table
foreach (DataColumn colonne in dt.Columns)
{
bool bExists = false;
foreach (CInfoChampTable info in structure.Champs)
{
if (info.NomChamp == colonne.ColumnName)
{
bExists = true;
break;
}
}
if (!bExists)
{
CResultAErreur tempResult = CAccessTableCreatorOld.SupprimeDependances(structure.NomTableInDb, colonne.ColumnName, connexion);
if (!tempResult)
{
result.Erreur.EmpileErreurs(tempResult.Erreur);
result.SetFalse();
return(result);
}
tempResult = CAccessTableCreatorOld.SupprimeForeignKeys(structure.NomTableInDb, colonne.ColumnName, connexion);
if (!tempResult)
{
result.Erreur.EmpileErreurs(tempResult.Erreur);
result.SetFalse();
return(result);
}
string strReq = "ALTER TABLE " + structure.NomTableInDb + " DROP COLUMN " + colonne.ColumnName;
result = connexion.RunStatement(strReq);
if (!result)
{
result.EmpileErreur(I.T("Error while deleting column @1 of table @2|132", colonne.ColumnName, structure.NomTableInDb));
return(result);
}
}
}
#endregion
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#region M.A.J des contraintes de la table
foreach (CInfoRelation rel in structure.RelationsParentes)
{
foreach (string strChampCree in champsCrees)
{
foreach (string strChamp in rel.ChampsFille)
{
if (strChampCree == strChamp)
{
string strRequeteRelation = GetRequeteRelation(rel);
result = connexion.RunStatement(strRequeteRelation);
if (!result)
{
result.EmpileErreur(I.T("Error while creating foreign key of @1 (@2)|127", structure.NomTableInDb, strRequeteRelation));
return(result);
}
break;
}
}
}
if (result)
{
string strNomTableFilleInDb = CContexteDonnee.GetNomTableInDbForNomTable(rel.TableFille);
if (rel.Indexed)
{
result = CreateOrUpdateIndex(strNomTableFilleInDb, connexion, rel.ChampsFille);
}
else
{
result = SupprimeIndex(strNomTableFilleInDb, connexion, rel.ChampsFille);
}
}
if (!result)
{
return(result);
}
}
#endregion
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
return(result);
}
//------------------------------------------------------------------------------------------------
public static CResultAErreur UpdateTable(CStructureTable structure, IDatabaseConnexion connexion)
{
return(CAccessTableCreatorOld.UpdateTable(structure, connexion, new ArrayList()));
}
