jobs_input.c File Reference

#include "c_common/vroom/jobs_input.h"

Include dependency graph for jobs_input.c:

Go to the source code of this file.

Functions
static void	db_get_jobs (char *jobs_sql, Vroom_job_t **jobs, size_t *total_jobs, Column_info_t *info, const int column_count, bool is_plain)
static void	fetch_jobs (HeapTuple *tuple, TupleDesc *tupdesc, Column_info_t *info, Vroom_job_t *job, bool is_plain)
void	get_vroom_jobs (char *sql, Vroom_job_t **rows, size_t *total_rows, bool is_plain)
	Reads the VROOM jobs. More...

Function Documentation

db_get_jobs()

static void db_get_jobs ( char *  jobs_sql, Vroom_job_t **  jobs, size_t *  total_jobs, Column_info_t *  info, const int  column_count, bool  is_plain  )

static

Definition at line 132 of file jobs_input.c.

                   {
#ifdef PROFILE
  clock_t start_t = clock();
  PGR_DBG("%s", jobs_sql);
#endif
 
  const int tuple_limit = 1000000;
 
  size_t total_tuples;
 
  void *SPIplan;
  SPIplan = pgr_SPI_prepare(jobs_sql);
  Portal SPIportal;
  SPIportal = pgr_SPI_cursor_open(SPIplan);
 
  bool moredata = true;
  (*total_jobs) = total_tuples = 0;
 
  /* on the first tuple get the column numbers */
 
  while (moredata == true) {
    SPI_cursor_fetch(SPIportal, true, tuple_limit);
    if (total_tuples == 0) {
      pgr_fetch_column_info(info, column_count);
    }
    size_t ntuples = SPI_processed;
    total_tuples += ntuples;
    if (ntuples > 0) {
      if ((*jobs) == NULL)
        (*jobs) = (Vroom_job_t *)palloc0(
            total_tuples * sizeof(Vroom_job_t));
      else
        (*jobs) = (Vroom_job_t *)repalloc(
            (*jobs),
            total_tuples * sizeof(Vroom_job_t));
 
      if ((*jobs) == NULL) {
        elog(ERROR, "Out of memory");
      }
 
      size_t t;
      SPITupleTable *tuptable = SPI_tuptable;
      TupleDesc tupdesc = SPI_tuptable->tupdesc;
      for (t = 0; t < ntuples; t++) {
        HeapTuple tuple = tuptable->vals[t];
        fetch_jobs(&tuple, &tupdesc, info,
            &(*jobs)[total_tuples - ntuples + t], is_plain);
      }
      SPI_freetuptable(tuptable);
    } else {
      moredata = false;
    }
  }
 
  SPI_cursor_close(SPIportal);
 
  if (total_tuples == 0) {
    (*total_jobs) = 0;
    return;
  }
 
  (*total_jobs) = total_tuples;
#ifdef PROFILE
  time_msg("reading jobs", start_t, clock());
#endif
}

References fetch_jobs(), PGR_DBG, pgr_fetch_column_info(), pgr_SPI_cursor_open(), pgr_SPI_prepare(), and time_msg().

Referenced by get_vroom_jobs().

fetch_jobs()

static void fetch_jobs ( HeapTuple *  tuple, TupleDesc *  tupdesc, Column_info_t *  info, Vroom_job_t *  job, bool  is_plain  )

static

Definition at line 85 of file jobs_input.c.

                   {
  job->id = get_Idx(tuple, tupdesc, info[0], 0);
  job->location_id = get_MatrixIndex(tuple, tupdesc, info[1], 0);
 
  if (is_plain) {
    job->setup = get_Duration(tuple, tupdesc, info[2], 0);
    job->service = get_Duration(tuple, tupdesc, info[3], 0);
  } else {
    job->setup = (Duration)get_PositiveTInterval(tuple, tupdesc, info[2], 0);
    job->service = (Duration)get_PositiveTInterval(tuple, tupdesc, info[3], 0);
  }
 
  /*
   * The deliveries
   */
  job->delivery_size = 0;
  job->delivery = column_found(info[4].colNumber) ?
    spi_getPositiveBigIntArr_allowEmpty(tuple, tupdesc, info[4], &job->delivery_size)
    : NULL;
 
  /*
   * The pickups
   */
  job->pickup_size = 0;
  job->pickup = column_found(info[5].colNumber) ?
    spi_getPositiveBigIntArr_allowEmpty(tuple, tupdesc, info[5], &job->pickup_size)
    : NULL;
 
  job->skills_size = 0;
  job->skills = column_found(info[6].colNumber) ?
    spi_getPositiveIntArr_allowEmpty(tuple, tupdesc, info[6], &job->skills_size)
    : NULL;
 
  job->priority = get_Priority(tuple, tupdesc, info[7], 0);
 
  job->data = column_found(info[8].colNumber)
                  ? spi_getText(tuple, tupdesc, info[8])
                  : strdup("{}");
}

References column_found(), Vroom_job_t::data, Vroom_job_t::delivery, Vroom_job_t::delivery_size, get_Duration(), get_Idx(), get_MatrixIndex(), get_PositiveTInterval(), get_Priority(), Vroom_job_t::id, Vroom_job_t::location_id, Vroom_job_t::pickup, Vroom_job_t::pickup_size, Vroom_job_t::priority, Vroom_job_t::service, Vroom_job_t::setup, Vroom_job_t::skills, Vroom_job_t::skills_size, spi_getPositiveBigIntArr_allowEmpty(), spi_getPositiveIntArr_allowEmpty(), and spi_getText().

Referenced by db_get_jobs().

get_vroom_jobs()

void get_vroom_jobs	(	char *	sql,
		Vroom_job_t **	rows,
		size_t *	total_rows,
		bool	is_plain
	)

Reads the VROOM jobs.

Parameters

[in]	sql	SQL query to execute
[out]	rows	C Container that holds the data
[out]	total_rows	Total rows recieved

Definition at line 213 of file jobs_input.c.

                   {
  int kColumnCount = 9;
  Column_info_t info[kColumnCount];
 
  for (int i = 0; i < kColumnCount; ++i) {
    info[i].colNumber = -1;
    info[i].type = 0;
    info[i].strict = false;
    info[i].eType = ANY_INTEGER;
  }
 
  info[0].name = "id";
  info[1].name = "location_id";
  info[2].name = "setup";
  info[3].name = "service";
  info[4].name = "delivery";
  info[5].name = "pickup";
  info[6].name = "skills";
  info[7].name = "priority";
  info[8].name = "data";
 
  info[2].eType = INTEGER;            // setup
  info[3].eType = INTEGER;            // service
  info[4].eType = ANY_INTEGER_ARRAY;  // delivery
  info[5].eType = ANY_INTEGER_ARRAY;  // pickup
  info[6].eType = INTEGER_ARRAY;      // skills
  info[7].eType = INTEGER;            // priority
  info[8].eType = JSONB;              // data
 
  if (!is_plain) {
    info[2].eType = INTERVAL;         // setup
    info[3].eType = INTERVAL;         // service
  }
 
  /* Only id and location_id are mandatory */
  info[0].strict = true;
  info[1].strict = true;
 
  db_get_jobs(sql, rows, total_rows, info, kColumnCount, is_plain);
}

References ANY_INTEGER, ANY_INTEGER_ARRAY, Column_info_t::colNumber, db_get_jobs(), Column_info_t::eType, INTEGER, INTEGER_ARRAY, INTERVAL, JSONB, Column_info_t::name, Column_info_t::strict, and Column_info_t::type.

Referenced by process().