public override string Translate(SqlCompilerContext context, SqlExtract node, ExtractSection section)
{
switch (node.IntervalPart)
{
case SqlIntervalPart.Day:
case SqlIntervalPart.Hour:
break;
default:
return(base.Translate(context, node, section));
}
switch (section)
{
case ExtractSection.From:
return("from justify_hours(");
case ExtractSection.Exit:
return("))");
default:
return(base.Translate(context, node, section));
}
}
/// <inheritdoc/>
public override string Translate(SqlCompilerContext context, SqlExtract extract, ExtractSection section)
{
switch (section)
{
case ExtractSection.Entry:
return("CAST(STRFTIME(");
case ExtractSection.From:
return(", ");
case ExtractSection.Exit:
return(") as INTEGER)");
default:
return(string.Empty);
}
}
public override string Translate(SqlCompilerContext context, SqlExtract node, ExtractSection section)
{
switch (section)
{
case ExtractSection.Entry:
return("DATEPART(");
case ExtractSection.From:
return(",");
default:
return(base.Translate(context, node, section));
}
}
/// <inheritdoc/>
public override string Translate(SqlCompilerContext context, SqlExtract node, ExtractSection section)
{
bool isSecond = node.DateTimePart == SqlDateTimePart.Second || node.IntervalPart == SqlIntervalPart.Second;
bool isMillisecond = node.DateTimePart == SqlDateTimePart.Millisecond ||
node.IntervalPart == SqlIntervalPart.Millisecond;
if (!(isSecond || isMillisecond))
{
return(base.Translate(context, node, section));
}
switch (section)
{
case ExtractSection.Entry:
return("(extract(");
case ExtractSection.Exit:
return(isMillisecond ? ") % 1000)" : "))");
default:
return(base.Translate(context, node, section));
}
}
public override string Translate(SqlCompilerContext context, SqlExtract node, ExtractSection section)
{
if (node.DateTimePart == SqlDateTimePart.Second || node.IntervalPart == SqlIntervalPart.Second)
{
switch (section)
{
case ExtractSection.Entry:
return("TRUNC(EXTRACT(");
case ExtractSection.Exit:
return("))");
default:
return(base.Translate(context, node, section));
}
}
if (node.DateTimePart == SqlDateTimePart.Millisecond || node.IntervalPart == SqlIntervalPart.Millisecond)
{
switch (section)
{
case ExtractSection.Entry:
return("MOD(EXTRACT(");
case ExtractSection.Exit:
return(")*1000,1000)");
default:
return(base.Translate(context, node, section));
}
}
return(base.Translate(context, node, section));
}
public override string Translate(SqlCompilerContext context, SqlExtract node, ExtractSection section)
{
bool isSecond = node.DateTimePart == SqlDateTimePart.Second ||
node.IntervalPart == SqlIntervalPart.Second
/*|| node.DateTimeOffsetPart==SqlDateTimeOffsetPart.Second*/;
bool isMillisecond = node.DateTimePart == SqlDateTimePart.Millisecond ||
node.IntervalPart == SqlIntervalPart.Millisecond
/*|| node.DateTimeOffsetPart==SqlDateTimeOffsetPart.Millisecond*/;
if (!(isSecond || isMillisecond))
{
return(base.Translate(context, node, section));
}
switch (section)
{
case ExtractSection.Entry:
if (isSecond)
{
return("(trunc(extract(");
}
return("(extract(");
case ExtractSection.Exit:
if (isMillisecond)
{
return(")::int8 % 1000)");
}
if (isSecond)
{
return(")))");
}
return(")::int8)");
//return isMillisecond ? ")::int8 % 1000)" : ")::int8)";
default:
return(base.Translate(context, node, section));
}
}
