internal Command(MetadataWorkspace metadataWorkspace)
{
this.m_parameterMap = new Dictionary <string, ParameterVar>();
this.m_vars = new List <Var>();
this.m_tables = new List <Table>();
this.m_metadataWorkspace = metadataWorkspace;
if (!Command.TryGetPrimitiveType(PrimitiveTypeKind.Boolean, out this.m_boolType))
{
throw new ProviderIncompatibleException(Strings.Cqt_General_NoProviderBooleanType);
}
if (!Command.TryGetPrimitiveType(PrimitiveTypeKind.Int32, out this.m_intType))
{
throw new ProviderIncompatibleException(Strings.Cqt_General_NoProviderIntegerType);
}
if (!Command.TryGetPrimitiveType(PrimitiveTypeKind.String, out this.m_stringType))
{
throw new ProviderIncompatibleException(Strings.Cqt_General_NoProviderStringType);
}
this.m_trueOp = new ConstantPredicateOp(this.m_boolType, true);
this.m_falseOp = new ConstantPredicateOp(this.m_boolType, false);
this.m_nodeInfoVisitor = new NodeInfoVisitor(this);
this.m_keyPullupVisitor = new KeyPullup(this);
this.m_freeVarVecEnumerators = new Stack <VarVec.VarVecEnumerator>();
this.m_freeVarVecs = new Stack <VarVec>();
this.m_referencedRelProperties = new HashSet <RelProperty>();
}
public override NodeInfo Visit(FilterOp op, Node n)
{
ExtendedNodeInfo extendedNodeInfo1 = this.InitExtendedNodeInfo(n);
ExtendedNodeInfo extendedNodeInfo2 = this.GetExtendedNodeInfo(n.Child0);
NodeInfo nodeInfo = this.GetNodeInfo(n.Child1);
extendedNodeInfo1.Definitions.Or(extendedNodeInfo2.Definitions);
extendedNodeInfo1.ExternalReferences.Or(extendedNodeInfo2.ExternalReferences);
extendedNodeInfo1.ExternalReferences.Or(nodeInfo.ExternalReferences);
extendedNodeInfo1.ExternalReferences.Minus(extendedNodeInfo2.Definitions);
extendedNodeInfo1.Keys.InitFrom(extendedNodeInfo2.Keys);
extendedNodeInfo1.NonNullableDefinitions.InitFrom(extendedNodeInfo2.NonNullableDefinitions);
extendedNodeInfo1.NonNullableVisibleDefinitions.InitFrom(extendedNodeInfo2.NonNullableDefinitions);
extendedNodeInfo1.MinRows = RowCount.Zero;
ConstantPredicateOp op1 = n.Child1.Op as ConstantPredicateOp;
extendedNodeInfo1.MaxRows = op1 == null || !op1.IsFalse ? extendedNodeInfo2.MaxRows : RowCount.Zero;
return((NodeInfo)extendedNodeInfo1);
}
// <summary>
// Copies a ConstantPredicateOp
// </summary>
// <param name="op"> The Op to Copy </param>
// <param name="n"> The Node that references the Op </param>
// <returns> A copy of the original Node that references a copy of the original Op </returns>
public override Node Visit(ConstantPredicateOp op, Node n)
{
return(m_destCmd.CreateNode(m_destCmd.CreateConstantPredicateOp(op.Value)));
}
public virtual void Visit(ConstantPredicateOp op, Node n)
{
this.VisitConstantOp((ConstantBaseOp)op, n);
}
/// <summary>
/// Visitor pattern method for ConstantPredicateOp
/// </summary>
/// <param name="op"> The ConstantPredicateOp being visited </param>
/// <param name="n"> The Node that references the Op </param>
public virtual void Visit(ConstantPredicateOp op, Node n)
{
VisitConstantOp(op, n);
}
// <summary>
// ConstantPredicateOp
// </summary>
public virtual TResultType Visit(ConstantPredicateOp op, Node n)
{
return(VisitConstantOp(op, n));
}
public virtual TResultType Visit(ConstantPredicateOp op, Node n)
{
return(this.VisitConstantOp((ConstantBaseOp)op, n));
}
