// [perf tag] 22.0965 us: sharding multivalue
private static void ReplacePartitionKeyOperand(IDictionary <string, ColumnValueType> index, IList <string> cols)
{
if (cols == null)
{
return;
}
foreach (var col in cols)
{
var map = index.GetValue(col);
if (map == null)
{
continue;
}
foreach (var set in map.Values)
{
if (set == null)
{
continue;
}
foreach (var p in set)
{
var expr = p.Key;
var parent = p.Value;
if (PartitionKeyVisitor.IsPartitionKeyOperandSingle(expr, parent))
{
((IReplacableExpression)expr).ReplaceExpr = ReplacableExpressionConstants.BoolFalse;
}
else if (PartitionKeyVisitor.IsPartitionKeyOperandIn(expr, parent))
{
((IReplacableExpression)parent).ReplaceExpr = ReplacableExpressionConstants.BoolFalse;
}
}
}
}
}
private static void DispatchWhereBasedStmt(RouteResultsetNode[] rn,
ISqlStatement stmtAST,
IList <string> ruleColumns,
IDictionary <int, IList <object[]> > dataNodeMap,
TableConfig matchedTable,
string originalSQL,
PartitionKeyVisitor visitor)
{
// [perf tag] 11.617 us: sharding multivalue
if (ruleColumns.Count > 1)
{
string sql;
if (visitor.IsSchemaTrimmed())
{
sql = GenSql(stmtAST, originalSQL);
}
else
{
sql = originalSQL;
}
var i = -1;
foreach (var dataNodeId in dataNodeMap.Keys)
{
var dataNode = matchedTable.DataNodes[dataNodeId];
rn[++i] = new RouteResultsetNode(dataNode, sql);
}
return;
}
var table = matchedTable.Name;
var columnIndex = visitor.GetColumnIndex(table);
var valueMap = columnIndex.GetValue(ruleColumns[0]);
ReplacePartitionKeyOperand(columnIndex, ruleColumns);
var unreplacedInExpr = new Dictionary <InExpression, ICollection <IExpression> >(1);
var unreplacedSingleExprs = new HashSet <IReplacableExpression>();
// [perf tag] 12.2755 us: sharding multivalue
var nodeId = -1;
foreach (var en in dataNodeMap)
{
var tuples = en.Value;
unreplacedSingleExprs.Clear();
unreplacedInExpr.Clear();
foreach (var tuple in tuples)
{
var value = tuple[0];
var indexedExpressionPair = GetExpressionSet(valueMap, value);
foreach (var pair in indexedExpressionPair)
{
var expr = pair.Key;
var parent = (InExpression)pair.Value;
if (PartitionKeyVisitor.IsPartitionKeyOperandSingle(expr, parent))
{
unreplacedSingleExprs.Add((IReplacableExpression)expr);
}
else if (PartitionKeyVisitor.IsPartitionKeyOperandIn(expr, parent))
{
var newInSet = unreplacedInExpr.GetValue(parent);
if (newInSet == null)
{
newInSet = new HashSet <IExpression>();
unreplacedInExpr[parent] = newInSet;
}
newInSet.Add(expr);
}
}
}
// [perf tag] 15.3745 us: sharding multivalue
foreach (var expr1 in unreplacedSingleExprs)
{
expr1.ClearReplaceExpr();
}
foreach (var entemp in unreplacedInExpr)
{
var @in = entemp.Key;
var set = entemp.Value;
if (set == null || set.IsEmpty())
{
@in.ReplaceExpr = ReplacableExpressionConstants.BoolFalse;
}
else
{
@in.ClearReplaceExpr();
var inlist = @in.GetInExpressionList();
if (inlist != null)
{
inlist.ReplaceExpr = new List <IExpression>(set);
}
}
}
// [perf tag] 16.506 us: sharding multivalue
var sql = GenSql(stmtAST, originalSQL);
// [perf tag] 21.3425 us: sharding multivalue
var dataNodeName = matchedTable.DataNodes[en.Key];
rn[++nodeId] = new RouteResultsetNode(dataNodeName, sql);
foreach (var expr2 in unreplacedSingleExprs)
{
expr2.ReplaceExpr = ReplacableExpressionConstants.BoolFalse;
}
foreach (var in1 in unreplacedInExpr.Keys)
{
in1.ReplaceExpr = ReplacableExpressionConstants.BoolFalse;
var list = in1.GetInExpressionList();
if (list != null)
{
list.ClearReplaceExpr();
}
}
}
}
