liquid_feedback_core

diff lf_update.c @ 0:8d021cb5eaf4

Version beta1
author jbe
date Tue Oct 27 12:00:00 2009 +0100 (2009-10-27)
parents
children 23092eb00e16
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/lf_update.c	Tue Oct 27 12:00:00 2009 +0100
     1.3 @@ -0,0 +1,103 @@
     1.4 +#include <stdlib.h>
     1.5 +#include <stdio.h>
     1.6 +#include <string.h>
     1.7 +#include <libpq-fe.h>
     1.8 +
     1.9 +int main(int argc, char **argv) {
    1.10 +  int i, count;
    1.11 +  char *conninfo;
    1.12 +  PGconn *db;
    1.13 +  PGresult *list;
    1.14 +  PGresult *status;
    1.15 +  if (argc == 0) return 1;
    1.16 +  if (argc == 1 || !strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) {
    1.17 +    FILE *out;
    1.18 +    out = argc == 1 ? stderr : stdout;
    1.19 +    fprintf(stdout, "\n");
    1.20 +    fprintf(stdout, "Usage: %s <conninfo>\n", argv[0]);
    1.21 +    fprintf(stdout, "\n");
    1.22 +    fprintf(stdout, "<conninfo> is specified by PostgreSQL's libpq,\n");
    1.23 +    fprintf(stdout, "see http://www.postgresql.org/docs/8.4/static/libpq-connect.html\n");
    1.24 +    fprintf(stdout, "\n");
    1.25 +    fprintf(stdout, "Example: %s dbname=liquid_feedback\n", argv[0]);
    1.26 +    fprintf(stdout, "\n");
    1.27 +    return argc == 1 ? 1 : 0;
    1.28 +  }
    1.29 +  {
    1.30 +    size_t len = 0;
    1.31 +    for (i=1; i<argc; i++) len += strlen(argv[i]) + 1;
    1.32 +    conninfo = malloc(len * sizeof(char));
    1.33 +    if (!conninfo) {
    1.34 +      fprintf(stderr, "Error: Could not allocate memory for conninfo string\n");
    1.35 +      return 1;
    1.36 +    }
    1.37 +    conninfo[0] = 0;
    1.38 +    for (i=1; i<argc; i++) {
    1.39 +      if (i>1) strcat(conninfo, " ");
    1.40 +      strcat(conninfo, argv[i]);
    1.41 +    }
    1.42 +  }
    1.43 +  db = PQconnectdb(conninfo);
    1.44 +  if (!db) {
    1.45 +    fprintf(stderr, "Error: Could not create database handle\n");
    1.46 +    return 1;
    1.47 +  }
    1.48 +  if (PQstatus(db) != CONNECTION_OK) {
    1.49 +    fprintf(stderr, "Could not open connection:\n%s", PQerrorMessage(db));
    1.50 +    return 1;
    1.51 +  }
    1.52 +  list = PQexec(db, "SELECT \"id\" FROM \"open_issue\"");
    1.53 +  if (!list) {
    1.54 +    fprintf(stderr, "Error in pqlib while sending SQL command selecting open issues\n");
    1.55 +    return 1;
    1.56 +  }
    1.57 +  if (PQresultStatus(list) != PGRES_TUPLES_OK) {
    1.58 +    fprintf(stderr, "Error while executing SQL command selecting open issues:\n%s", PQresultErrorMessage(list));
    1.59 +    return 1;
    1.60 +  }
    1.61 +  count = PQntuples(list);
    1.62 +  for (i=0; i<count; i++) {
    1.63 +    const char *params[1];
    1.64 +    params[0] = PQgetvalue(list, i, 0);
    1.65 +    status = PQexecParams(
    1.66 +      db, "SELECT \"check_issue\"($1)", 1, NULL, params, NULL, NULL, 0
    1.67 +    );
    1.68 +    if (
    1.69 +      PQresultStatus(status) != PGRES_COMMAND_OK &&
    1.70 +      PQresultStatus(status) != PGRES_TUPLES_OK
    1.71 +    ) {
    1.72 +      fprintf(stderr, "Error while calling SQL function \"check_issue\"(...):\n%s", PQresultErrorMessage(status));
    1.73 +      return 1;
    1.74 +    }
    1.75 +    PQclear(status);
    1.76 +  }
    1.77 +  PQclear(list);
    1.78 +  list = PQexec(db, "SELECT \"id\" FROM \"issue_with_ranks_missing\"");
    1.79 +  if (!list) {
    1.80 +    fprintf(stderr, "Error in pqlib while sending SQL command selecting issues where ranks are missing\n");
    1.81 +    return 1;
    1.82 +  }
    1.83 +  if (PQresultStatus(list) != PGRES_TUPLES_OK) {
    1.84 +    fprintf(stderr, "Error while executing SQL command selecting issues where ranks are missing:\n%s", PQresultErrorMessage(list));
    1.85 +    return 1;
    1.86 +  }
    1.87 +  count = PQntuples(list);
    1.88 +  for (i=0; i<count; i++) {
    1.89 +    const char *params[1];
    1.90 +    params[0] = PQgetvalue(list, i, 0);
    1.91 +    status = PQexecParams(
    1.92 +      db, "SELECT \"calculate_ranks\"($1)", 1, NULL, params, NULL, NULL, 0
    1.93 +    );
    1.94 +    if (
    1.95 +      PQresultStatus(status) != PGRES_COMMAND_OK &&
    1.96 +      PQresultStatus(status) != PGRES_TUPLES_OK
    1.97 +    ) {
    1.98 +      fprintf(stderr, "Error while calling SQL function \"calculate_ranks\"(...):\n%s", PQresultErrorMessage(status));
    1.99 +      return 1;
   1.100 +    }
   1.101 +    PQclear(status);
   1.102 +  }
   1.103 +  PQclear(list);
   1.104 +  PQfinish(db);
   1.105 +  return 0;
   1.106 +}

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