/// <summary>
/// Builds a row limit specification.
/// </summary>
/// <returns>row limit spec</returns>
public static RowLimitSpec BuildRowLimitSpec(EsperEPL2GrammarParser.RowLimitContext ctx)
{
Object numRows;
Object offset;
if (ctx.o != null) // format "rows offset offsetcount"
{
numRows = ParseNumOrVariableIdent(ctx.n1, ctx.i1);
offset = ParseNumOrVariableIdent(ctx.n2, ctx.i2);
}
else if (ctx.c != null) // format "offsetcount, rows"
{
offset = ParseNumOrVariableIdent(ctx.n1, ctx.i1);
numRows = ParseNumOrVariableIdent(ctx.n2, ctx.i2);
}
else
{
numRows = ParseNumOrVariableIdent(ctx.n1, ctx.i1);
offset = null;
}
int? numRowsInt = null;
String numRowsVariable = null;
if (numRows is String)
{
numRowsVariable = (String)numRows;
}
else
{
numRowsInt = (int?)numRows;
}
int? offsetInt = null;
String offsetVariable = null;
if (offset is String)
{
offsetVariable = (String)offset;
}
else
{
offsetInt = (int?)offset;
}
return(new RowLimitSpec(numRowsInt, offsetInt, numRowsVariable, offsetVariable));
}
public static RowLimitSpec BuildRowLimitSpec(EsperEPL2GrammarParser.RowLimitContext ctx)
{
object numRows;
object offset;
if (ctx.o != null)
{ // format "rows offset offsetcount"
numRows = ParseNumOrVariableIdent(ctx.n1, ctx.i1);
offset = ParseNumOrVariableIdent(ctx.n2, ctx.i2);
}
else if (ctx.c != null)
{ // format "offsetcount, rows"
offset = ParseNumOrVariableIdent(ctx.n1, ctx.i1);
numRows = ParseNumOrVariableIdent(ctx.n2, ctx.i2);
}
else
{
numRows = ParseNumOrVariableIdent(ctx.n1, ctx.i1);
offset = null;
}
int? numRowsInt = null;
string numRowsVariable = null;
if (numRows is string)
{
numRowsVariable = (string) numRows;
}
else
{
numRowsInt = numRows.AsInt32();
}
int? offsetInt = null;
string offsetVariable = null;
if (offset is string)
{
offsetVariable = (string) offset;
}
else
{
offsetInt = offset.AsBoxedInt32();
}
return new RowLimitSpec(numRowsInt, offsetInt, numRowsVariable, offsetVariable);
}
