public override object InternalExecute(Program program, object[] arguments)
{
var tableVar = APIUtilities.ResolveTableVarName(program, (string)arguments[0]);
var identifyingKey = APIUtilities.FindIdentifyingKey(program, tableVar);
var keyValues = APIUtilities.GetKeyValues(program, identifyingKey, (string)arguments[1]);
var keyEqualExpression = Compiler.BuildKeyEqualExpression(program.Plan, String.Empty, "AKey", new Schema.RowType(identifyingKey.Columns).Columns, keyValues.DataType.Columns);
var updateStatement = new UpdateStatement();
updateStatement.Target = new IdentifierExpression(tableVar.Name);
var row = (IRow)arguments[2];
for (int i = 0; i < row.DataType.Columns.Count; i++)
{
updateStatement.Columns.Add(new UpdateColumnExpression(new IdentifierExpression(row.DataType.Columns[i].Name), new IdentifierExpression(Schema.Object.Qualify(row.DataType.Columns[i].Name, "ARow"))));
}
updateStatement.Condition = keyEqualExpression;
var statement = new D4TextEmitter().Emit(updateStatement);
var dataParams = new DataParams();
dataParams.Add(new DataParam("AKey", keyValues.DataType, Modifier.In, keyValues));
dataParams.Add(new DataParam("ARow", row.DataType, Modifier.In, row));
APIUtilities.Execute(program, statement, dataParams);
return(null);
}
public override object InternalExecute(Program program, object[] arguments)
{
var tableVar = APIUtilities.ResolveTableVarName(program, (string)arguments[0]);
var expression = String.Format("select {0}", tableVar.Name);
return(APIUtilities.Evaluate(program, expression, tableVar, null));
}
public override object InternalExecute(Program program, object[] arguments)
{
var tableVar = APIUtilities.ResolveTableVarName(program, (string)arguments[0]);
var insertStatement = new InsertStatement(new IdentifierExpression("ARow"), new IdentifierExpression(tableVar.Name));
var statement = new D4TextEmitter().Emit(insertStatement);
var dataParams = new DataParams();
var row = (IRow)arguments[1];
dataParams.Add(new DataParam("ARow", row.DataType, Modifier.In, row));
APIUtilities.Execute(program, statement, dataParams);
return(null);
}
public override void DetermineDataType(Plan plan)
{
base.DetermineDataType(plan);
if (!Nodes[0].IsLiteral)
{
throw new CompilerException(CompilerException.Codes.LiteralArgumentRequired, "ATableName");
}
var tableVarName = (string)plan.ExecuteNode(Nodes[0]);
var tableVar = APIUtilities.ResolveTableVarName(plan, tableVarName);
DataType = tableVar.DataType;
}
public override object InternalExecute(Program program, object[] arguments)
{
var tableVar = APIUtilities.ResolveTableVarName(program, (string)arguments[0]);
var identifyingKey = APIUtilities.FindIdentifyingKey(program, tableVar);
var keyValues = APIUtilities.GetKeyValues(program, identifyingKey, (string)arguments[1]);
var keyEqualExpression = Compiler.BuildKeyEqualExpression(program.Plan, String.Empty, "AKey", new Schema.RowType(identifyingKey.Columns).Columns, keyValues.DataType.Columns);
var tableVarExpression = new IdentifierExpression(tableVar.Name);
var restrictExpression = new RestrictExpression(tableVarExpression, keyEqualExpression);
var expression = new D4TextEmitter().Emit(restrictExpression);
var dataParams = new DataParams();
dataParams.Add(new DataParam("AKey", keyValues.DataType, Modifier.In, keyValues));
return(APIUtilities.EvaluateSingleton(program, expression, dataParams));
}
