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| author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
|---|---|---|
| committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
| commit | fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch) | |
| tree | bdda434976bc09c864f2e4fa6f16ba1952b1e555 /pkg/tbtables/selector/selrows.x | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'pkg/tbtables/selector/selrows.x')
| -rw-r--r-- | pkg/tbtables/selector/selrows.x | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/pkg/tbtables/selector/selrows.x b/pkg/tbtables/selector/selrows.x new file mode 100644 index 00000000..2a82e9e7 --- /dev/null +++ b/pkg/tbtables/selector/selrows.x @@ -0,0 +1,30 @@ +#* HISTORY * +#* 17-Mar-97 I.Busko created +#* 15-Jan-97 B.Simon modified to call trsrows + +# SELROWS -- Count how many rows are selected by an expression + +int procedure selrows (tp, expr) + +pointer tp # i: table descriptor +char expr[ARB] # i: expression to be evaluated +#-- +int nrow +pointer set + +int rst_nelem() +pointer trsrows() +errchk trsrows + +begin + # Compute set of rows matching expression + + set = trsrows (tp, expr) + + # Count number of rows in set + + nrow = rst_nelem (set) + + call rst_free (set) + return (nrow) +end |