public static string GenerateProcedure(
Catalog catalog,
Table rootTable,
string procedureName = null,
string primaryKeyParameterName = null,
IReadOnlyDictionary <Column, Parameter> updateParameters = null,
string primaryKeyOutputParameterName = null,
IReadOnlyList <Column> excludedColumns = null,
IReadOnlyList <Table> excludedTables = null,
ReferenceGraph referenceGraph = null)
{
procedureName = procedureName ?? $"Copy{rootTable.SingularSpacelessName}";
primaryKeyParameterName = primaryKeyParameterName ?? rootTable.DefaultPrimaryKeyParameterName;
var parameters = (updateParameters ?? new Dictionary <Column, Parameter>())
.Select(kvp => kvp.Value)
.Prepend(new Parameter(primaryKeyParameterName, "INT"));
parameters = primaryKeyOutputParameterName == null ? parameters
: parameters.Append(new Parameter(primaryKeyOutputParameterName, "INT = NULL OUTPUT"));
var updateParameterNames = updateParameters?.ToDictionary(kvp => kvp.Key, kvp => kvp.Value.Name);
return
($@"CREATE PROCEDURE [{rootTable.Schema.Name}].[{procedureName}]
{string.Join(Separators.Cnlw4, parameters.Select(p => $"{p.Name} {p.DataTypeDescription}"))}
AS
BEGIN
SET NOCOUNT ON;
SET XACT_ABORT ON;
BEGIN TRAN;
{GenerateProcedureBody(catalog, rootTable, primaryKeyParameterName, updateParameterNames, primaryKeyOutputParameterName, excludedColumns, excludedTables, referenceGraph)}
COMMIT TRAN;
END;");
}
protected RootCopyGenerator(
Catalog catalog,
Table rootTable,
string primaryKeyParameterName,
IReadOnlyDictionary <Column, string> updateParameterNames = null,
string primaryKeyOutputParameterName = null,
IReadOnlyList <Column> excludedColumns = null,
IReadOnlyList <Table> excludedTables = null,
ReferenceGraph referenceGraph = null)
{
Catalog = catalog;
RootTable = rootTable;
PrimaryKeyParameterName = Parameter.ValidateName(primaryKeyParameterName ?? RootTable.DefaultPrimaryKeyParameterName);
UpdateParameterNames = updateParameterNames?.ToDictionary(kvp => kvp.Key, kvp => Parameter.ValidateName(kvp.Value)) ?? new Dictionary <Column, string>();
PrimaryKeyOutputParameterName = Parameter.ValidateName(primaryKeyOutputParameterName);
ExcludedColumns = excludedColumns ?? new Column[0];
ReferenceGraph = referenceGraph ?? new ReferenceGraph(catalog, rootTable, excludedTables);
GenerateTableVariables();
GenerateRootTableCopy();
foreach (var vertex in ReferenceGraph.Skip(1))
{
GenerateDependentTableCopy(vertex);
}
foreach (var vertex in ReferenceGraph
.Where(v => v.NonDependentReferences.Any()))
{
GenerateNonDependentReferenceUpdates(vertex);
}
}
public static string GenerateProcedureBody(
Catalog catalog,
Table rootTable,
string primaryKeyParameterName,
IReadOnlyDictionary <Column, string> updateParameterNames = null,
string primaryKeyOutputParameterName = null,
IReadOnlyList <Column> excludedColumns = null,
IReadOnlyList <Table> excludedTables = null,
ReferenceGraph referenceGraph = null)
=> new RootCopyGenerator(catalog, rootTable, primaryKeyParameterName, updateParameterNames, primaryKeyOutputParameterName, excludedColumns, excludedTables, referenceGraph)
.ProcedureBody
.ToString();
protected DeepCopyGenerator(
Catalog catalog,
Table rootTable,
string primaryKeyParameterName,
IReadOnlyDictionary <Column, string> updateParameterNames = null,
string primaryKeyOutputParameterName = null,
IReadOnlyList <Column> excludedColumns = null,
IReadOnlyList <Table> excludedTables = null,
ReferenceGraph referenceGraph = null)
: base(catalog, rootTable, primaryKeyParameterName, updateParameterNames, primaryKeyOutputParameterName, excludedColumns, excludedTables, referenceGraph)
{
}
protected internal Vertex(ReferenceGraph referenceGraph, Table table)
{
ReferenceGraph = referenceGraph;
Table = table;
}
public virtual bool IsReferenced()
=> ReferenceGraph.Any(v =>
v.DependentReferences.Any(r => r.ReferencedTable == Table) ||
v.NonDependentReferences.Any(r => r.ReferencedTable == Table));
