}
}
+# the "oh noes offset/top without limit" constant
+# limited to 32 bits for sanity (and since it is fed
+# to sprintf %u)
+sub __max_int { 0xFFFFFFFF };
+
# Tries to determine limit dialect.
#
return $sql;
}
+# This for Sybase ASE, to use SET ROWCOUNT when there is no offset, and
+# GenericSubQ otherwise.
+sub _RowCountOrGenericSubQ {
+ my $self = shift;
+ my ($sql, $rs_attrs, $rows, $offset) = @_;
+
+ return $self->_GenericSubQ(@_) if $offset;
+
+ return sprintf <<"EOF", $rows, $sql;
+SET ROWCOUNT %d
+%s
+SET ROWCOUNT 0
+EOF
+}
+
# This is the most evil limit "dialect" (more of a hack) for *really*
# stupid databases. It works by ordering the set by some unique column,
# and calculating amount of rows that have a less-er value (thus