public override void RebuildIndexes(List <TableInfo> tables)
{
using (DataManager dm = DataManager.Create(DataConnectionSpec)) {
DataConnectionSpec dsc = DataConnectionSpec.Clone(dm);
// MySQL creates indexes orders of magnitude faster (in InnoDB engine at least)
// if we issue a single ALTER TABLE statement with multiple indexes on it.
ProcessTables(tables, ti => {
if (ti.IsSelected)
{
string toRun = null;
try {
toRun = ((MySqlTableInfo)ti).GenerateRebuildAllIndexesForTable();
showProgress(getDisplayMember("RebuildIndexes{progress}", "Rebuilding all indexes for {0}...", ti.TableName), 0, 0);
dm.DataConnectionSpec.CommandTimeout = 3600; // allow one hour for each table index recreation (!!!)
if (!String.IsNullOrEmpty(toRun))
{
dm.Write(toRun);
}
} catch (Exception ex) {
throw new InvalidOperationException(ex.Message + ". SQL=" + toRun, ex);
}
}
});
}
}
public override void CreateConstraints(List <TableInfo> tables, bool createForeignConstraints, bool createSelfReferentialConstraints)
{
using (DataManager dm = DataManager.Create(DataConnectionSpec)) {
DataConnectionSpec dsc = DataConnectionSpec.Clone(dm);
// MySQL creates constraints orders of magnitude faster (in InnoDB engine at least)
// if we issue a single ALTER TABLE statement with multiple constraints on it.
ProcessTables(tables, ti => {
if (ti.IsSelected)
{
string toRun = ((MySqlTableInfo)ti).GenerateCreateAllConstraintsForTable(createForeignConstraints, createSelfReferentialConstraints);
showProgress(getDisplayMember("CreateConstraints{progress}", "Creating all constraints for {0}...", ti.TableName), 0, 0);
dm.DataConnectionSpec.CommandTimeout = 3600; // allow one hour for each table index recreation (!!!)
if (!String.IsNullOrEmpty(toRun))
{
dm.Write(toRun);
}
}
});
}
}
