private void AddFunctionColumnListSupport(Stream st)
{
bool isFirstOutputOrInputOutput = true;
PGUtil.WriteString(st, " AS (");
for (int i = 0; i < Parameters.Count; i++)
{
var p = Parameters[i];
switch (p.Direction)
{
case ParameterDirection.Output:
case ParameterDirection.InputOutput:
if (isFirstOutputOrInputOutput)
{
isFirstOutputOrInputOutput = false;
}
else
{
st.WriteString(", ");
}
st
.WriteString(p.CleanName)
.WriteBytes((byte)ASCIIBytes.Space)
.WriteString(p.TypeInfo.Name);
break;
}
}
st.WriteByte((byte)ASCIIBytes.ParenRight);
}
private byte[] GetExecuteCommandText()
{
NpgsqlEventLog.LogMethodEnter(LogLevel.Debug, CLASSNAME, "GetPreparedCommandText");
MemoryStream result = new MemoryStream();
result.WriteString("EXECUTE {0}", planName);
if (parameters.Count != 0)
{
result.WriteByte((byte)ASCIIBytes.ParenLeft);
for (int i = 0; i < Parameters.Count; i++)
{
var p = Parameters[i];
if (i > 0)
{
result.WriteByte((byte)ASCIIBytes.Comma);
}
// Add parentheses wrapping parameter value before the type cast to avoid problems with Int16.MinValue, Int32.MinValue and Int64.MinValue
// See bug #1010543
result.WriteByte((byte)ASCIIBytes.ParenLeft);
byte[] serialization;
serialization = p.TypeInfo.ConvertToBackend(p.Value, false, Connector.NativeToBackendTypeConverterOptions);
result
.WriteBytes(serialization)
.WriteBytes((byte)ASCIIBytes.ParenRight);
if (p.UseCast)
{
PGUtil.WriteString(result, string.Format("::{0}", p.TypeInfo.CastName));
if (p.TypeInfo.UseSize && (p.Size > 0))
{
result.WriteString("({0})", p.Size);
}
}
}
result.WriteByte((byte)ASCIIBytes.ParenRight);
}
return(result.ToArray());
}