deduplicate search term graph slightly earlier

[nominatim.git] / nominatim / index.c

diff --git a/nominatim/index.c b/nominatim/index.c
index ee853d20876e664a41f823462b105571554d4c30..0b87abdc635681df6c5007246b840a52ff17c28a 100644 (file)
--- a/nominatim/index.c
+++ b/nominatim/index.c
@@ -21,23 +21,26 @@ extern int verbose;
 
 void nominatim_index(int rank_min, int rank_max, int num_threads, const char *conninfo, const char *structuredoutputfile)
 {
 
 void nominatim_index(int rank_min, int rank_max, int num_threads, const char *conninfo, const char *structuredoutputfile)
 {

-       struct index_thread_data * thread_data;
-       pthread_mutex_t count_mutex = PTHREAD_MUTEX_INITIALIZER;
-       int tuples, count, sleepcount;
-
-       time_t rankStartTime;
-       int rankTotalTuples;
-       int rankCountTuples;
-       float rankPerSecond;
-
-       PGconn *conn;
-       PGresult * res;
-       PGresult * resSectors;
-       PGresult * resPlaces;
-
-       int rank;
-       int i;
-       int iSector;
+    struct index_thread_data * thread_data;
+    pthread_mutex_t count_mutex = PTHREAD_MUTEX_INITIALIZER;
+    int tuples, count, sleepcount;
+
+    time_t rankStartTime;
+    int rankTotalTuples;
+    int rankCountTuples;
+    float rankPerSecond;
+
+    PGconn *conn;
+    PGresult * res;
+    PGresult * resSectors;
+    PGresult * resPlaces;
+    PGresult * resNULL;
+
+    int rank;
+    int i;
+    int iSector;
+    int iResult;
+    int bSkip;

 
     const char *paramValues[2];
     int         paramLengths[2];
 
     const char *paramValues[2];
     int         paramLengths[2];


@@ -47,20 +50,21 @@ void nominatim_index(int rank_min, int rank_max, int num_threads, const char *co
     uint32_t    sector;
 
     xmlTextWriterPtr writer;
     uint32_t    sector;
 
     xmlTextWriterPtr writer;

-       pthread_mutex_t writer_mutex = PTHREAD_MUTEX_INITIALIZER;
+    pthread_mutex_t writer_mutex = PTHREAD_MUTEX_INITIALIZER;

 
     Oid pg_prepare_params[2];
 
     conn = PQconnectdb(conninfo);
 
     Oid pg_prepare_params[2];
 
     conn = PQconnectdb(conninfo);

-    if (PQstatus(conn) != CONNECTION_OK) {
+    if (PQstatus(conn) != CONNECTION_OK)
+    {

         fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(conn));
         exit(EXIT_FAILURE);
     }
 
     pg_prepare_params[0] = PG_OID_INT4;
     res = PQprepare(conn, "index_sectors",
         fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(conn));
         exit(EXIT_FAILURE);
     }
 
     pg_prepare_params[0] = PG_OID_INT4;
     res = PQprepare(conn, "index_sectors",

-       "select geometry_sector,count(*) from placex where rank_search = $1 and indexed_status > 0 group by geometry_sector order by geometry_sector",
-       1, pg_prepare_params);
+                    "select geometry_sector,count(*) from placex where rank_search = $1 and indexed_status > 0 group by geometry_sector order by geometry_sector",
+                    1, pg_prepare_params);

     if (PQresultStatus(res) != PGRES_COMMAND_OK)
     {
         fprintf(stderr, "Failed preparing index_sectors: %s\n", PQerrorMessage(conn));
     if (PQresultStatus(res) != PGRES_COMMAND_OK)
     {
         fprintf(stderr, "Failed preparing index_sectors: %s\n", PQerrorMessage(conn));


@@ -70,8 +74,8 @@ void nominatim_index(int rank_min, int rank_max, int num_threads, const char *co
 
     pg_prepare_params[0] = PG_OID_INT4;
     res = PQprepare(conn, "index_nosectors",
 
     pg_prepare_params[0] = PG_OID_INT4;
     res = PQprepare(conn, "index_nosectors",

-       "select 0::integer,count(*) from placex where rank_search = $1 and indexed_status > 0",
-       1, pg_prepare_params);
+                    "select 0::integer,count(*) from placex where rank_search = $1 and indexed_status > 0",
+                    1, pg_prepare_params);

     if (PQresultStatus(res) != PGRES_COMMAND_OK)
     {
         fprintf(stderr, "Failed preparing index_sectors: %s\n", PQerrorMessage(conn));
     if (PQresultStatus(res) != PGRES_COMMAND_OK)
     {
         fprintf(stderr, "Failed preparing index_sectors: %s\n", PQerrorMessage(conn));


@@ -82,8 +86,8 @@ void nominatim_index(int rank_min, int rank_max, int num_threads, const char *co
     pg_prepare_params[0] = PG_OID_INT4;
     pg_prepare_params[1] = PG_OID_INT4;
     res = PQprepare(conn, "index_sector_places",
     pg_prepare_params[0] = PG_OID_INT4;
     pg_prepare_params[1] = PG_OID_INT4;
     res = PQprepare(conn, "index_sector_places",

-       "select place_id from placex where rank_search = $1 and geometry_sector = $2 and indexed_status > 0",
-       2, pg_prepare_params);
+                    "select place_id from placex where rank_search = $1 and geometry_sector = $2 and indexed_status > 0",
+                    2, pg_prepare_params);

     if (PQresultStatus(res) != PGRES_COMMAND_OK)
     {
         fprintf(stderr, "Failed preparing index_sector_places: %s\n", PQerrorMessage(conn));
     if (PQresultStatus(res) != PGRES_COMMAND_OK)
     {
         fprintf(stderr, "Failed preparing index_sector_places: %s\n", PQerrorMessage(conn));


@@ -93,8 +97,8 @@ void nominatim_index(int rank_min, int rank_max, int num_threads, const char *co
 
     pg_prepare_params[0] = PG_OID_INT4;
     res = PQprepare(conn, "index_nosector_places",
 
     pg_prepare_params[0] = PG_OID_INT4;
     res = PQprepare(conn, "index_nosector_places",

-       "select place_id from placex where rank_search = $1 and indexed_status > 0 order by geometry_sector",
-       1, pg_prepare_params);
+                    "select place_id from placex where rank_search = $1 and indexed_status > 0 order by geometry_sector",
+                    1, pg_prepare_params);

     if (PQresultStatus(res) != PGRES_COMMAND_OK)
     {
         fprintf(stderr, "Failed preparing index_nosector_places: %s\n", PQerrorMessage(conn));
     if (PQresultStatus(res) != PGRES_COMMAND_OK)
     {
         fprintf(stderr, "Failed preparing index_nosector_places: %s\n", PQerrorMessage(conn));


@@ -104,218 +108,283 @@ void nominatim_index(int rank_min, int rank_max, int num_threads, const char *co
 
     // Build the data for each thread
     thread_data = (struct index_thread_data *)malloc(sizeof(struct index_thread_data)*num_threads);
 
     // Build the data for each thread
     thread_data = (struct index_thread_data *)malloc(sizeof(struct index_thread_data)*num_threads);

-       for (i = 0; i < num_threads; i++)
-       {
-               thread_data[i].conn = PQconnectdb(conninfo);
-           if (PQstatus(thread_data[i].conn) != CONNECTION_OK) {
-               fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(thread_data[i].conn));
-               exit(EXIT_FAILURE);
-           }
-
-           pg_prepare_params[0] = PG_OID_INT4;
-           res = PQprepare(thread_data[i].conn, "index_placex",
-               "update placex set indexed_status = 0 where place_id = $1",
-               1, pg_prepare_params);
-           if (PQresultStatus(res) != PGRES_COMMAND_OK)
-           {
-               fprintf(stderr, "Failed preparing index_placex: %s\n", PQerrorMessage(conn));
-               exit(EXIT_FAILURE);
-           }
-           PQclear(res);
-
-           nominatim_exportCreatePreparedQueries(thread_data[i].conn);
-       }
-
-       // Create the output file
-       writer = NULL;
-       if (structuredoutputfile)
-       {
-               writer = nominatim_exportXMLStart(structuredoutputfile);
-       }
+    for (i = 0; i < num_threads; i++)
+    {
+        thread_data[i].conn = PQconnectdb(conninfo);
+        if (PQstatus(thread_data[i].conn) != CONNECTION_OK)
+        {
+            fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(thread_data[i].conn));
+            exit(EXIT_FAILURE);
+        }
+
+        pg_prepare_params[0] = PG_OID_INT4;
+        res = PQprepare(thread_data[i].conn, "index_placex",
+                        "update placex set indexed_status = 0 where place_id = $1",
+                        1, pg_prepare_params);
+        if (PQresultStatus(res) != PGRES_COMMAND_OK)
+        {
+            fprintf(stderr, "Failed preparing index_placex: %s\n", PQerrorMessage(conn));
+            exit(EXIT_FAILURE);
+        }
+        PQclear(res);
+
+        res = PQexec(thread_data[i].conn, "set enable_seqscan = false");
+        if (PQresultStatus(res) != PGRES_COMMAND_OK)
+        {
+            fprintf(stderr, "Failed disabling sequential scan: %s\n", PQerrorMessage(conn));
+            exit(EXIT_FAILURE);
+        }
+        PQclear(res);
+
+        nominatim_exportCreatePreparedQueries(thread_data[i].conn);
+    }
+
+    // Create the output file
+    writer = NULL;
+    if (structuredoutputfile)
+    {
+        writer = nominatim_exportXMLStart(structuredoutputfile);
+    }

 
     fprintf(stderr, "Starting indexing rank (%i to %i) using %i treads\n", rank_min, rank_max, num_threads);
 
     for (rank = rank_min; rank <= rank_max; rank++)
     {
 
     fprintf(stderr, "Starting indexing rank (%i to %i) using %i treads\n", rank_min, rank_max, num_threads);
 
     for (rank = rank_min; rank <= rank_max; rank++)
     {

-       printf("Starting rank %d\n", rank);
-       rankCountTuples = 0;
-       rankPerSecond = 0;
+        fprintf(stderr, "Starting rank %d\n", rank);
+        rankCountTuples = 0;
+        rankPerSecond = 0;

 
         paramRank = PGint32(rank);
         paramValues[0] = (char *)&paramRank;
         paramLengths[0] = sizeof(paramRank);
         paramFormats[0] = 1;
 
         paramRank = PGint32(rank);
         paramValues[0] = (char *)&paramRank;
         paramLengths[0] = sizeof(paramRank);
         paramFormats[0] = 1;

-               if (rank < 16)
-               resSectors = PQexecPrepared(conn, "index_nosectors", 1, paramValues, paramLengths, paramFormats, 1);
-               else
-               resSectors = PQexecPrepared(conn, "index_sectors", 1, paramValues, paramLengths, paramFormats, 1);
+//        if (rank < 16)
+//            resSectors = PQexecPrepared(conn, "index_nosectors", 1, paramValues, paramLengths, paramFormats, 1);
+//        else
+        resSectors = PQexecPrepared(conn, "index_sectors", 1, paramValues, paramLengths, paramFormats, 1);
+

         if (PQresultStatus(resSectors) != PGRES_TUPLES_OK)
         {
             fprintf(stderr, "index_sectors: SELECT failed: %s", PQerrorMessage(conn));
             PQclear(resSectors);
             exit(EXIT_FAILURE);
         }
         if (PQresultStatus(resSectors) != PGRES_TUPLES_OK)
         {
             fprintf(stderr, "index_sectors: SELECT failed: %s", PQerrorMessage(conn));
             PQclear(resSectors);
             exit(EXIT_FAILURE);
         }

-               if (PQftype(resSectors, 0) != PG_OID_INT4)
-               {
+        if (PQftype(resSectors, 0) != PG_OID_INT4)
+        {

             fprintf(stderr, "Sector value has unexpected type\n");
             PQclear(resSectors);
             exit(EXIT_FAILURE);
             fprintf(stderr, "Sector value has unexpected type\n");
             PQclear(resSectors);
             exit(EXIT_FAILURE);

-               }
-               if (PQftype(resSectors, 1) != PG_OID_INT8)
-               {
+        }
+        if (PQftype(resSectors, 1) != PG_OID_INT8)
+        {

             fprintf(stderr, "Sector value has unexpected type\n");
             PQclear(resSectors);
             exit(EXIT_FAILURE);
             fprintf(stderr, "Sector value has unexpected type\n");
             PQclear(resSectors);
             exit(EXIT_FAILURE);

-               }
-
-               rankTotalTuples = 0;
-       for (iSector = 0; iSector < PQntuples(resSectors); iSector++)
-       {
-               rankTotalTuples += PGint64(*((uint64_t *)PQgetvalue(resSectors, iSector, 1)));
-       }
-
-       rankStartTime = time(0);
-       for (iSector = 0; iSector < PQntuples(resSectors); iSector++)
-       {
-                       sector = PGint32(*((uint32_t *)PQgetvalue(resSectors, iSector, 0)));
-               //printf("\n Starting sector %d size %ld\n", sector, PGint64(*((uint64_t *)PQgetvalue(resSectors, iSector, 1))));
-
-                       // Get all the place_id's for this sector
-                   paramRank = PGint32(rank);
-               paramValues[0] = (char *)&paramRank;
-                   paramLengths[0] = sizeof(paramRank);
-                   paramFormats[0] = 1;
-               paramSector = PGint32(sector);
-               paramValues[1] = (char *)&paramSector;
-                       paramLengths[1] = sizeof(paramSector);
-                   paramFormats[1] = 1;
-                       if (rank < 16)
-                       resPlaces = PQexecPrepared(conn, "index_nosector_places", 1, paramValues, paramLengths, paramFormats, 1);
-                       else
-                       resPlaces = PQexecPrepared(conn, "index_sector_places", 2, paramValues, paramLengths, paramFormats, 1);
-               if (PQresultStatus(resPlaces) != PGRES_TUPLES_OK)
-               {
-                   fprintf(stderr, "index_sector_places: SELECT failed: %s", PQerrorMessage(conn));
-                   PQclear(resPlaces);
-                   exit(EXIT_FAILURE);
-               }
-                       if (PQftype(resPlaces, 0) != PG_OID_INT4)
-                       {
-                   fprintf(stderr, "Place_id value has unexpected type\n");
-                   PQclear(resPlaces);
-                   exit(EXIT_FAILURE);
-                       }
+        }

 
 

-                       count = 0;
-                       rankPerSecond = 0;
-                       tuples = PQntuples(resPlaces);
+        rankTotalTuples = 0;
+        for (iSector = 0; iSector < PQntuples(resSectors); iSector++)
+        {
+            rankTotalTuples += PGint64(*((uint64_t *)PQgetvalue(resSectors, iSector, 1)));
+        }

 
 

-                       if (tuples > 0)
-               {
-                               // Spawn threads
-                               for (i = 0; i < num_threads; i++)
-                               {
-                                       thread_data[i].res = resPlaces;
-                                       thread_data[i].tuples = tuples;
-                                       thread_data[i].count = &count;
-                                       thread_data[i].count_mutex = &count_mutex;
-                                       thread_data[i].writer = writer;
-                                       thread_data[i].writer_mutex = &writer_mutex;
-                                       pthread_create(&thread_data[i].thread, NULL, &nominatim_indexThread, (void *)&thread_data[i]);
-                               }
-
-                               // Monitor threads to give user feedback
-                               sleepcount = 0;
-                               while(count < tuples)
-                               {
-                                       usleep(1000);
-
-                                       // Aim for one update per second
-                                       if (sleepcount++ > 500)
-                                       {
-                                               rankPerSecond = ((float)rankCountTuples + (float)count) / MAX(difftime(time(0), rankStartTime),1);
-                                               printf("  Done %i in %i @ %f per second - Rank %i ETA (seconds): %f\n", (rankCountTuples + count), (int)(difftime(time(0), rankStartTime)), rankPerSecond, rank, ((float)(rankTotalTuples - (rankCountTuples + count)))/rankPerSecond);
-                                               sleepcount = 0;
-                                       }
-                               }
-
-                               // Wait for everything to finish
-                               for (i = 0; i < num_threads; i++)
-                               {
-                                       pthread_join(thread_data[i].thread, NULL);
-                               }
-
-                               rankCountTuples += tuples;
-               }
-
-                       // Finished sector
-                       rankPerSecond = (float)rankCountTuples / MAX(difftime(time(0), rankStartTime),1);
-                       printf("  Done %i in %i @ %f per second - ETA (seconds): %f\n", rankCountTuples, (int)(difftime(time(0), rankStartTime)), rankPerSecond, ((float)(rankTotalTuples - rankCountTuples))/rankPerSecond);
-
-            PQclear(resPlaces);
-
-       }
+        rankStartTime = time(0);
+        for (iSector = 0; iSector <= PQntuples(resSectors); iSector++)
+        {
+            if (iSector > 0)
+            {
+                resPlaces = PQgetResult(conn);
+                if (PQresultStatus(resPlaces) != PGRES_TUPLES_OK)
+                {
+                    fprintf(stderr, "index_sector_places: SELECT failed: %s", PQerrorMessage(conn));
+                    PQclear(resPlaces);
+                    exit(EXIT_FAILURE);
+                }
+                if (PQftype(resPlaces, 0) != PG_OID_INT4)
+                {
+                    fprintf(stderr, "Place_id value has unexpected type\n");
+                    PQclear(resPlaces);
+                    exit(EXIT_FAILURE);
+                }
+                resNULL = PQgetResult(conn);
+                if (resNULL != NULL)
+                {
+                    fprintf(stderr, "Unexpected non-null response\n");
+                    exit(EXIT_FAILURE);
+                }
+            }
+
+            if (iSector < PQntuples(resSectors))
+            {
+                sector = PGint32(*((uint32_t *)PQgetvalue(resSectors, iSector, 0)));
+//                fprintf(stderr, "\n Starting sector %d size %ld\n", sector, PGint64(*((uint64_t *)PQgetvalue(resSectors, iSector, 1))));
+
+                // Get all the place_id's for this sector
+                paramRank = PGint32(rank);
+                paramValues[0] = (char *)&paramRank;
+                paramLengths[0] = sizeof(paramRank);
+                paramFormats[0] = 1;
+                paramSector = PGint32(sector);
+                paramValues[1] = (char *)&paramSector;
+                paramLengths[1] = sizeof(paramSector);
+                paramFormats[1] = 1;
+                if (rankTotalTuples-rankCountTuples < num_threads*1000)
+               {
+                    iResult = PQsendQueryPrepared(conn, "index_nosector_places", 1, paramValues, paramLengths, paramFormats, 1);
+               }
+                else
+               {
+                    iResult = PQsendQueryPrepared(conn, "index_sector_places", 2, paramValues, paramLengths, paramFormats, 1);
+               }
+                if (!iResult)
+                {
+                    fprintf(stderr, "index_sector_places: SELECT failed: %s", PQerrorMessage(conn));
+                    PQclear(resPlaces);
+                    exit(EXIT_FAILURE);
+                }
+            }
+
+            if (iSector > 0)
+            {
+                count = 0;
+                rankPerSecond = 0;
+                tuples = PQntuples(resPlaces);
+
+                if (tuples > 0)
+                {
+                    // Spawn threads
+                    for (i = 0; i < num_threads; i++)
+                    {
+                        thread_data[i].res = resPlaces;
+                        thread_data[i].tuples = tuples;
+                        thread_data[i].count = &count;
+                        thread_data[i].count_mutex = &count_mutex;
+                        thread_data[i].writer = writer;
+                        thread_data[i].writer_mutex = &writer_mutex;
+                        pthread_create(&thread_data[i].thread, NULL, &nominatim_indexThread, (void *)&thread_data[i]);
+                    }
+
+                    // Monitor threads to give user feedback
+                    sleepcount = 0;
+                    while (count < tuples)
+                    {
+                        usleep(1000);
+
+                        // Aim for one update per second
+                        if (sleepcount++ > 500)
+                        {
+                            rankPerSecond = ((float)rankCountTuples + (float)count) / MAX(difftime(time(0), rankStartTime),1);
+                            fprintf(stderr, "  Done %i in %i @ %f per second - Rank %i ETA (seconds): %f\n", (rankCountTuples + count), (int)(difftime(time(0), rankStartTime)), rankPerSecond, rank, ((float)(rankTotalTuples - (rankCountTuples + count)))/rankPerSecond);
+                            sleepcount = 0;
+                        }
+                    }
+
+                    // Wait for everything to finish
+                    for (i = 0; i < num_threads; i++)
+                    {
+                        pthread_join(thread_data[i].thread, NULL);
+                    }
+
+                    rankCountTuples += tuples;
+                }
+
+                // Finished sector
+                rankPerSecond = (float)rankCountTuples / MAX(difftime(time(0), rankStartTime),1);
+                fprintf(stderr, "  Done %i in %i @ %f per second - ETA (seconds): %f\n", rankCountTuples, (int)(difftime(time(0), rankStartTime)), rankPerSecond, ((float)(rankTotalTuples - rankCountTuples))/rankPerSecond);
+
+                PQclear(resPlaces);
+            }
+            if (rankTotalTuples-rankCountTuples < num_threads*20 && iSector < PQntuples(resSectors))
+            {
+                iSector = PQntuples(resSectors) - 1;
+            }
+        }

         // Finished rank
         // Finished rank

-               printf("\r  Done %i in %i @ %f per second - FINISHED                      \n\n", rankCountTuples, (int)(difftime(time(0), rankStartTime)), rankPerSecond);
+        fprintf(stderr, "\r  Done %i in %i @ %f per second - FINISHED                      \n\n", rankCountTuples, (int)(difftime(time(0), rankStartTime)), rankPerSecond);

 
         PQclear(resSectors);
     }
 
     if (writer)
     {
 
         PQclear(resSectors);
     }
 
     if (writer)
     {

-       nominatim_exportXMLEnd(writer);
+        nominatim_exportXMLEnd(writer);

     }
 }
 
 void *nominatim_indexThread(void * thread_data_in)
 {
     }
 }
 
 void *nominatim_indexThread(void * thread_data_in)
 {

-       struct index_thread_data * thread_data = (struct index_thread_data * )thread_data_in;
+    struct index_thread_data * thread_data = (struct index_thread_data * )thread_data_in;
+    struct export_data querySet;

 
 

-       PGresult   *res;
+    PGresult   *res;

 
     const char *paramValues[1];
     int         paramLengths[1];
     int         paramFormats[1];
     uint32_t    paramPlaceID;
     uint32_t   place_id;
 
     const char *paramValues[1];
     int         paramLengths[1];
     int         paramFormats[1];
     uint32_t    paramPlaceID;
     uint32_t   place_id;

-       time_t          updateStartTime;
+    time_t             updateStartTime;

 
 

-       while(1)
-       {
-               pthread_mutex_lock( thread_data->count_mutex );
-               if (*(thread_data->count) >= thread_data->tuples)
-               {
-                       pthread_mutex_unlock( thread_data->count_mutex );
-                       break;
-               }
+    while (1)
+    {
+        pthread_mutex_lock( thread_data->count_mutex );
+        if (*(thread_data->count) >= thread_data->tuples)
+        {
+            pthread_mutex_unlock( thread_data->count_mutex );
+            break;
+        }

 
 

-               place_id = PGint32(*((uint32_t *)PQgetvalue(thread_data->res, *thread_data->count, 0)));
-               (*thread_data->count)++;
+        place_id = PGint32(*((uint32_t *)PQgetvalue(thread_data->res, *thread_data->count, 0)));
+        (*thread_data->count)++;

 
 

-               pthread_mutex_unlock( thread_data->count_mutex );
+        pthread_mutex_unlock( thread_data->count_mutex );

 
 

-               if (verbose) printf("  Processing place_id %d\n", place_id);
-               
-               updateStartTime = time(0);
-               paramPlaceID = PGint32(place_id);
-        paramValues[0] = (char *)&paramPlaceID;
-        paramLengths[0] = sizeof(paramPlaceID);
-        paramFormats[0] = 1;
-        res = PQexecPrepared(thread_data->conn, "index_placex", 1, paramValues, paramLengths, paramFormats, 1);
-        if (PQresultStatus(res) != PGRES_COMMAND_OK)
+        if (verbose) fprintf(stderr, "  Processing place_id %d\n", place_id);
+
+        updateStartTime = time(0);
+       int done = 0;
+
+        if (thread_data->writer)

         {
         {

-            fprintf(stderr, "index_placex: UPDATE failed: %s", PQerrorMessage(thread_data->conn));
-            PQclear(res);
-            exit(EXIT_FAILURE);
+             nominatim_exportPlaceQueries(place_id, thread_data->conn, &querySet);
+        }
+
+       while(!done)
+       {
+
+               paramPlaceID = PGint32(place_id);
+               paramValues[0] = (char *)&paramPlaceID;
+               paramLengths[0] = sizeof(paramPlaceID);
+               paramFormats[0] = 1;
+               res = PQexecPrepared(thread_data->conn, "index_placex", 1, paramValues, paramLengths, paramFormats, 1);
+               if (PQresultStatus(res) == PGRES_COMMAND_OK)
+                       done = 1;
+               else
+               {
+                       if (strncmp(PQerrorMessage(thread_data->conn), "ERROR:  deadlock detected", 25))
+                       {
+                           fprintf(stderr, "index_placex: UPDATE failed - deadlock, retrying\n");
+                           PQclear(res);
+                            sleep(rand() % 10);
+                       }
+                       else
+                       {
+                           fprintf(stderr, "index_placex: UPDATE failed: %s", PQerrorMessage(thread_data->conn));
+                           PQclear(res);
+                            sleep(rand() % 10);
+//                         exit(EXIT_FAILURE);
+                       }
+               }

         }
         PQclear(res);
         }
         PQclear(res);

-               if (difftime(time(0), updateStartTime) > 1) printf("  Slow place_id %d\n", place_id);
+        if (difftime(time(0), updateStartTime) > 1) fprintf(stderr, "  Slow place_id %d\n", place_id);

 
         if (thread_data->writer)
         {
 
         if (thread_data->writer)
         {

-               nominatim_exportPlace(place_id, thread_data->conn, thread_data->writer, thread_data->writer_mutex);
+            nominatim_exportPlace(place_id, thread_data->conn, thread_data->writer, thread_data->writer_mutex, &querySet);
+            nominatim_exportFreeQueries(&querySet);

         }
         }

-       }
+    }

 
 

-       return NULL;
+    return NULL;

 }
 }