// CRUD functions
public void CreateDB(string dbName, DatabaseDefinition dbDef = null)
{
try {
TXN_BEGIN(dbName: dbName);
DataFunctions.CreateDB(activeDStore, dbName, dbDef);
}
finally {
TXN_END();
}
}
private void VerifyLocksTable(DataStore dstore)
{
logger.Debug("VerifyLocksTable");
// ensure connection database
DatabaseDefinition connDbDef;
try {
// if db exists we're good
connDbDef = DataFunctions.ReadDB(dstore, connDbName);
}
catch {
// otherwise create it
var newConnDbDef = new DatabaseDefinition(dbName: connDbName)
{
Description = "Internal DB"
};
// create the connection management database
DataFunctions.CreateDB(dstore, connDbName, newConnDbDef);
}
// ensue locks table
TableDefinition locksTableDef;
try {
// if table exists we're good
locksTableDef = DataFunctions.ReadTable(dstore, connDbName, connDbLocksTableName);
}
catch {
// otherwise create it
// locks have fields for dbname, tablename and record keys but they're not wired
// - to allow implicit locking of nonexisting entries
// - to remove the need to update wires when new tables and dbs are created
var newlocksTableDef = new TableDefinition()
{
Fields = new List <Field>()
{
new UUIDField(connDbLockUUIDField),
new TextField(connDbLockSourceField),
new TextField(connDbLockRequesterField),
new UUIDField(connDbLockConnUUIDField),
new TextField(connDbLockDBField),
new TextField(connDbLockTableField),
new TextField(connDbLockRecordKeyField),
},
Description = "Locks Table",
IsHidden = true,
SupportsHistory = false
};
// create transaction locks table
DataFunctions.CreateTable(dstore, connDbName, connDbLocksTableName, newlocksTableDef);
}
}
