| Revision: | 1.2 |
| Committed: | Mon Jul 27 23:42:09 2009 UTC (14 years, 2 months ago) by rick |
| Content type: | text/plain |
| Branch: | MAIN |
| CVS Tags: | NetDRMS_Ver_6-4, NetDRMS_Ver_8-0, NetDRMS_Ver_6-2, NetDRMS_Ver_6-3, NetDRMS_Ver_6-0, NetDRMS_Ver_6-1, Ver_6-0, Ver_6-1, Ver_6-2, Ver_6-3, Ver_6-4, NetDRMS_Ver_2-7, NetDRMS_Ver_2-4, NetDRMS_Ver_2-5, NetDRMS_Ver_8-8, Ver_5-10, Ver_8-5, NetDRMS_Ver_7-0, NetDRMS_Ver_8-1, Ver_5-14, Ver_5-13, Ver_5-12, Ver_5-11, Ver_7-0, Ver_LATEST, Ver_5-2, NetDRMS_Ver_LATEST, NetDRMS_Ver_9-9, NetDRMS_Ver_2-2, NetDRMS_Ver_8-12, NetDRMS_Ver_8-10, NetDRMS_Ver_8-11, NetDRMS_Ver_9-1, NetDRMS_Ver_9-0, NetDRMS_Ver_9-3, NetDRMS_Ver_9-2, NetDRMS_Ver_9-5, NetDRMS_Ver_9-4, NetDRMS_Ver_8-2, NetDRMS_Ver_8-3, Ver_5-6, NetDRMS_Ver_2-1, Ver_5-5, NetDRMS_Ver_2-6, NetDRMS_Ver_9-41, Ver_9-41, Ver_DRMSLATEST, NetDRMS_Ver_8-4, NetDRMS_Ver_8-5, NetDRMS_Ver_2-3, Ver_5-8, NetDRMS_Ver_8-6, Ver_5-7, Ver_8-8, NetDRMS_Ver_8-7, Ver_5-9, NetDRMS_Ver_2-0b1, Ver_8-2, Ver_9-3, Ver_8-0, Ver_8-1, Ver_8-6, Ver_8-7, Ver_8-4, Ver_8-11, Ver_5-3, NetDRMS_Ver_2-0b, Ver_7-1, Ver_9-1, NetDRMS_Ver_2-0, Ver_8-3, NetDRMS_Ver_7-1, Ver_9-5, Ver_9-4, Ver_8-10, Ver_9-2, Ver_8-12, Ver_9-0, HEAD |
| Changes since 1.1: | +37 -33 lines |
| Log Message: | *** empty log message *** |
| # | Content |
|---|---|
| 1 | /* |
| 2 | * smpl_03.c $DRMS/proj/cookbook/ |
| 3 | * |
| 4 | * Prints a list of the series names known to DRMS, with record counts |
| 5 | * for each |
| 6 | * Illustrates the connection to the DRMS database and ways that SQL |
| 7 | * queries can be directly run and the results analyzed at the lowest |
| 8 | * level of the DRMS API |
| 9 | * |
| 10 | * Usage: |
| 11 | * smpl_03 [nmax= ...] |
| 12 | * |
| 13 | * Revision history is at end of file. |
| 14 | */ |
| 15 | |
| 16 | char *module_name = "CookbookRecipe:03"; |
| 17 | char *version_id = "1.0"; |
| 18 | |
| 19 | #include <jsoc_main.h> |
| 20 | #include <regex.h> |
| 21 | |
| 22 | ModuleArgs_t module_args[] = { |
| 23 | {ARG_INT, "nmax", "100", "maximum number of series to be listed"}, |
| 24 | {ARG_END} |
| 25 | }; |
| 26 | |
| 27 | int DoIt (void) { |
| 28 | CmdParams_t *params = &cmdparams; |
| 29 | DB_Text_Result_t *qres, *sqres; |
| 30 | int series, seriesct; |
| 31 | char query[DRMS_MAXQUERYLEN]; |
| 32 | |
| 33 | int nmax = params_get_int (params, "nmax"); |
| 34 | /* Query the database to get all series names from the master list */ |
| 35 | sprintf (query, "select seriesname from %s()", DRMS_MASTER_SERIES_TABLE); |
| 36 | if ((qres = drms_query_txt (drms_env->session, query)) == NULL) { |
| 37 | fprintf (stderr, "Cant find DRMS\n"); |
| 38 | return 1; |
| 39 | } |
| 40 | seriesct = qres->num_rows; |
| 41 | printf ("%d series found", seriesct); |
| 42 | if (seriesct > nmax) { |
| 43 | seriesct = nmax; |
| 44 | printf (" (only the first %d will be listed)", seriesct); |
| 45 | } |
| 46 | printf ("\n"); |
| 47 | |
| 48 | for (series = 0; series < seriesct; series++) { |
| 49 | char *seriesname = qres->field[series][0]; |
| 50 | printf ("%s\t", seriesname); |
| 51 | sprintf (query, "select count (recnum) from %s", seriesname); |
| 52 | /* Query the database to get the record count from the series table */ |
| 53 | /* (every data series must have a "recnum" field) */ |
| 54 | if (sqres = drms_query_txt (drms_env->session, query)) { |
| 55 | printf ("%s", sqres->field[0][0]); |
| 56 | db_free_text_result (sqres); |
| 57 | } else printf ("?"); |
| 58 | printf ("\n"); |
| 59 | } |
| 60 | |
| 61 | db_free_text_result (qres); |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | /* |
| 66 | * Revision History |
| 67 | * |
| 68 | * 09.04.20 file created by R Bogart |
| 69 | */ |