/*
*/
#include <stdlib.h>
#include <string.h>

#include <libpq-fe.h>

#include <libxml/xmlstring.h>
#include <libxml/xmlreader.h>
#include <libxml/hash.h>

#include "nominatim.h"
#include "import.h"
#include "input.h"

typedef enum { FILETYPE_NONE, FILETYPE_STRUCTUREDV0P1 } filetypes_t;
typedef enum { FILEMODE_NONE, FILEMODE_ADD, FILEMODE_UPDATE, FILEMODE_DELETE } filemodes_t;

#define MAX_FEATUREADDRESS 5000
#define MAX_FEATURENAMES 10000
#define MAX_FEATUREEXTRATAGS 10000
#define MAX_FEATURENAMESTRING 1000000
#define MAX_FEATUREEXTRATAGSTRING 500000

struct feature_address
{
    int			place_id;
    int			rankAddress;
    char			isAddress[2];
    xmlChar *	type;
    xmlChar *	id;
    xmlChar *	key;
    xmlChar *	value;
    xmlChar *	distance;
};

struct feature_tag
{
    xmlChar *	type;
    xmlChar *	value;
};

struct feature
{
    xmlChar *   placeID;
    xmlChar *	type;
    xmlChar *	id;
    xmlChar *	key;
    xmlChar *	value;
    xmlChar *	rankAddress;
    xmlChar *	rankSearch;
    xmlChar *	countryCode;
    xmlChar * 	adminLevel;
    xmlChar *	houseNumber;
    xmlChar * 	geometry;
} feature;

int 					fileType = FILETYPE_NONE;
int 					fileMode = FILEMODE_ADD;
PGconn *				conn;
struct feature_address 	featureAddress[MAX_FEATUREADDRESS];
struct feature_tag	 	featureName[MAX_FEATURENAMES];
struct feature_tag		featureExtraTag[MAX_FEATUREEXTRATAGS];
struct feature 			feature;
int 					featureAddressLines = 0;
int 					featureNameLines = 0;
int 					featureExtraTagLines = 0;
int 					featureCount = 0;
xmlHashTablePtr 		partionTableTagsHash;
char					featureNameString[MAX_FEATURENAMESTRING];
char					featureExtraTagString[MAX_FEATUREEXTRATAGSTRING];

void StartElement(xmlTextReaderPtr reader, const xmlChar *name)
{
    char * value;
    float version;
    int isAddressLine;

    if (fileType == FILETYPE_NONE)
    {
        // Potential to handle other file types in the future / versions
        if (xmlStrEqual(name, BAD_CAST "osmStructured"))
        {
            value = (char*)xmlTextReaderGetAttribute(reader, BAD_CAST "version");
            version = strtof(value, NULL);
            xmlFree(value);

            if (version == (float)0.1)
            {
                fileType = FILETYPE_STRUCTUREDV0P1;
                fileMode = FILEMODE_ADD;
            }
            else
            {
                fprintf( stderr, "Unknown osmStructured version %f (%s)\n", version, value );
                exit_nicely();
            }
        }
        else
        {
            fprintf( stderr, "Unknown XML document type: %s\n", name );
            exit_nicely();
        }
        return;
    }

    if (xmlStrEqual(name, BAD_CAST "add"))
    {
        fileMode = FILEMODE_ADD;
        return;
    }
    if (xmlStrEqual(name, BAD_CAST "update"))
    {
        fileMode = FILEMODE_UPDATE;
        return;
    }
    if (xmlStrEqual(name, BAD_CAST "delete"))
    {
        fileMode = FILEMODE_DELETE;
        return;
    }
    if (fileMode == FILEMODE_NONE)
    {
        fprintf( stderr, "Unknown import mode in: %s\n", name );
        exit_nicely();
    }

    if (xmlStrEqual(name, BAD_CAST "feature"))
    {
        feature.placeID = xmlTextReaderGetAttribute(reader, BAD_CAST "place_id");
        feature.type = xmlTextReaderGetAttribute(reader, BAD_CAST "type");
        feature.id = xmlTextReaderGetAttribute(reader, BAD_CAST "id");
        feature.key = xmlTextReaderGetAttribute(reader, BAD_CAST "key");
        feature.value = xmlTextReaderGetAttribute(reader, BAD_CAST "value");
        feature.rankAddress = xmlTextReaderGetAttribute(reader, BAD_CAST "rank");
        feature.rankSearch = xmlTextReaderGetAttribute(reader, BAD_CAST "importance");

        feature.countryCode = NULL;
        feature.adminLevel = NULL;
        feature.houseNumber = NULL;
        feature.geometry = NULL;
        featureAddressLines = 0;
        featureNameLines = 0;
		featureExtraTagLines = 0;

        return;
    }
    if (xmlStrEqual(name, BAD_CAST "names")) return;
    if (xmlStrEqual(name, BAD_CAST "name"))
    {
        if (featureNameLines < MAX_FEATURENAMES)
        {
	        featureName[featureNameLines].type = xmlTextReaderGetAttribute(reader, BAD_CAST "type");
    	    featureName[featureNameLines].value = xmlTextReaderReadString(reader);
        	featureNameLines++;
		}
		else
		{
            fprintf( stderr, "Too many name elements (%s%s)\n", feature.type, feature.id);
//            exit_nicely();
        }
        return;
    }
    if (xmlStrEqual(name, BAD_CAST "tags")) return;
    if (xmlStrEqual(name, BAD_CAST "tag"))
    {
        if (featureExtraTagLines < MAX_FEATUREEXTRATAGS)
		{
	        featureExtraTag[featureExtraTagLines].type = xmlTextReaderGetAttribute(reader, BAD_CAST "type");
    	    featureExtraTag[featureExtraTagLines].value = xmlTextReaderReadString(reader);
        	featureExtraTagLines++;
		}
		else
        {
            fprintf( stderr, "Too many extra tag elements (%s%s)\n", feature.type, feature.id);
//            exit_nicely();
        }
        return;
    }
    if (xmlStrEqual(name, BAD_CAST "osmGeometry"))
    {
        feature.geometry = xmlTextReaderReadString(reader);
        return;
    }
    if (xmlStrEqual(name, BAD_CAST "adminLevel"))
    {
        feature.adminLevel = xmlTextReaderReadString(reader);
        return;
    }
    if (xmlStrEqual(name, BAD_CAST "countryCode"))
    {
        feature.countryCode = xmlTextReaderReadString(reader);
        return;
    }
    if (xmlStrEqual(name, BAD_CAST "houseNumber"))
    {
        feature.houseNumber = xmlTextReaderReadString(reader);
        return;
    }
    if (xmlStrEqual(name, BAD_CAST "address"))
    {
        featureAddressLines = 0;
        return;
    }
    isAddressLine = 0;
    if (xmlStrEqual(name, BAD_CAST "continent"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "sea"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "country"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "state"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "county"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "city"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "town"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "village"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "unknown"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "suburb"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "postcode"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "neighborhood"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "street"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "access"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "building"))
    {
        isAddressLine = 1;
    }
    else if (xmlStrEqual(name, BAD_CAST "other"))
    {
        isAddressLine = 1;
    }
    if (isAddressLine)
    {
        if (featureAddressLines < MAX_FEATUREADDRESS)
		{
	        value = (char*)xmlTextReaderGetAttribute(reader, BAD_CAST "rank");
    	    if (!value)
	        {
    	        fprintf( stderr, "Address element missing rank\n");
        	    exit_nicely();
	        }
    	    featureAddress[featureAddressLines].rankAddress =  atoi(value);
        	xmlFree(value);

	        value = (char*)xmlTextReaderGetAttribute(reader, BAD_CAST "isaddress");
    	    if (!value)
        	{
	            fprintf( stderr, "Address element missing rank\n");
    	        exit_nicely();
        	}
	        if (*value == 't') strcpy(featureAddress[featureAddressLines].isAddress, "t");
    	    else strcpy(featureAddress[featureAddressLines].isAddress, "f");
        	xmlFree(value);

	        featureAddress[featureAddressLines].type = xmlTextReaderGetAttribute(reader, BAD_CAST "type");
    	    featureAddress[featureAddressLines].id = xmlTextReaderGetAttribute(reader, BAD_CAST "id");
        	featureAddress[featureAddressLines].key = xmlTextReaderGetAttribute(reader, BAD_CAST "key");
	        featureAddress[featureAddressLines].value = xmlTextReaderGetAttribute(reader, BAD_CAST "value");
    	    featureAddress[featureAddressLines].distance = xmlTextReaderGetAttribute(reader, BAD_CAST "distance");
	
    	    featureAddressLines++;
		}
		else
        {
            fprintf( stderr, "Too many address elements (%s%s)\n", feature.type, feature.id);
//            exit_nicely();
        }

        return;
    }
    fprintf(stderr, "%s: Unknown element name: %s\n", __FUNCTION__, name);
}

void EndElement(xmlTextReaderPtr reader, const xmlChar *name)
{
    PGresult * 		res;
    PGresult * 		resPlaceID;
    const char *	paramValues[11];
    char *			place_id;
    char *			partionQueryName;
    int i, namePos, lineTypeLen, lineValueLen;

    if (xmlStrEqual(name, BAD_CAST "feature"))
    {
        featureCount++;
        if (featureCount % 1000 == 0) printf("feature %i(k)\n", featureCount/1000);
/*
        if (fileMode == FILEMODE_ADD)
        {
            resPlaceID = PQexecPrepared(conn, "get_new_place_id", 0, NULL, NULL, NULL, 0);
            if (PQresultStatus(resPlaceID) != PGRES_TUPLES_OK)
            {
                fprintf(stderr, "get_place_id: INSERT failed: %s", PQerrorMessage(conn));
                PQclear(resPlaceID);
                exit(EXIT_FAILURE);
            }
        }
        else
        {
            paramValues[0] = (const char *)feature.type;
            paramValues[1] = (const char *)feature.id;
            paramValues[2] = (const char *)feature.key;
            paramValues[3] = (const char *)feature.value;
            resPlaceID = PQexecPrepared(conn, "get_new_place_id", 4, paramValues, NULL, NULL, 0);
            if (PQresultStatus(resPlaceID) != PGRES_TUPLES_OK)
            {
                fprintf(stderr, "index_placex: INSERT failed: %s", PQerrorMessage(conn));
                PQclear(resPlaceID);
                exit(EXIT_FAILURE);
            }
        }
*/
        place_id = feature.placeID;

        if (fileMode == FILEMODE_UPDATE || fileMode == FILEMODE_DELETE)
        {
            paramValues[0] = (const char *)place_id;
            res = PQexecPrepared(conn, "placex_delete", 1, paramValues, NULL, NULL, 0);
            if (PQresultStatus(res) != PGRES_COMMAND_OK)
            {
                fprintf(stderr, "placex_delete: DELETE failed: %s", PQerrorMessage(conn));
                PQclear(res);
                exit(EXIT_FAILURE);
            }
            PQclear(res);

            res = PQexecPrepared(conn, "search_name_delete", 1, paramValues, NULL, NULL, 0);
            if (PQresultStatus(res) != PGRES_COMMAND_OK)
            {
                fprintf(stderr, "search_name_delete: DELETE failed: %s", PQerrorMessage(conn));
                PQclear(res);
                exit(EXIT_FAILURE);
            }
            PQclear(res);

            res = PQexecPrepared(conn, "place_addressline_delete", 1, paramValues, NULL, NULL, 0);
            if (PQresultStatus(res) != PGRES_COMMAND_OK)
            {
                fprintf(stderr, "place_addressline_delete: DELETE failed: %s", PQerrorMessage(conn));
                PQclear(res);
                exit(EXIT_FAILURE);
            }
            PQclear(res);
        }

        if (fileMode == FILEMODE_UPDATE || fileMode == FILEMODE_ADD)
        {
            // Insert into placex
            paramValues[0] = (const char *)place_id;
            paramValues[1] = (const char *)feature.type;
            paramValues[2] = (const char *)feature.id;
            paramValues[3] = (const char *)feature.key;
            paramValues[4] = (const char *)feature.value;

            featureNameString[0] = 0;
            if (featureNameLines)
            {
                namePos = 0;
                lineTypeLen = 0;
                lineValueLen = 0;
                for (i = 0; i < featureNameLines; i++)
                {
                    lineTypeLen = strlen(BAD_CAST featureName[i].type);
                    lineValueLen = strlen(BAD_CAST featureName[i].value);
                    if (namePos+lineTypeLen+lineValueLen+7 > MAX_FEATURENAMESTRING)
                    {
                        fprintf(stderr, "feature name too long: %s", (const char *)featureName[i].value);
                        break;
                    }
                    if (namePos) strcpy(featureNameString+(namePos++), ",");
                    strcpy(featureNameString+(namePos++), "\"");
                    strcpy(featureNameString+namePos, BAD_CAST featureName[i].type);
                    namePos += lineTypeLen;
                    strcpy(featureNameString+namePos, "\"=>\"");
                    namePos += 4;
                    strcpy(featureNameString+namePos, BAD_CAST featureName[i].value);
                    namePos += lineValueLen;
                    strcpy(featureNameString+(namePos++), "\"");
                }
            }
            paramValues[5] = (const char *)featureNameString;

            featureExtraTagString[0] = 0;
            if (featureExtraTagLines)
            {
                namePos = 0;
                lineTypeLen = 0;
                lineValueLen = 0;
                for (i = 0; i < featureExtraTagLines; i++)
                {
                    lineTypeLen = strlen(BAD_CAST featureExtraTag[i].type);
                    lineValueLen = strlen(BAD_CAST featureExtraTag[i].value);
                    if (namePos+lineTypeLen+lineValueLen+7 > MAX_FEATUREEXTRATAGSTRING)
                    {
                        fprintf(stderr, "feature extra tag too long: %s", (const char *)featureExtraTag[i].value);
                        break;
                    }
                    if (namePos) strcpy(featureExtraTagString+(namePos++),",");
                    strcpy(featureExtraTagString+(namePos++), "\"");
                    strcpy(featureExtraTagString+namePos, BAD_CAST featureExtraTag[i].type);
                    namePos += lineTypeLen;
                    strcpy(featureExtraTagString+namePos, "\"=>\"");
                    namePos += 4;
                    strcpy(featureExtraTagString+namePos, BAD_CAST featureExtraTag[i].value);
                    namePos += lineValueLen;
                    strcpy(featureExtraTagString+(namePos++), "\"");
                }
            }
            paramValues[6] = (const char *)featureExtraTagString;

            paramValues[7] = (const char *)feature.adminLevel;
            paramValues[8] = (const char *)feature.houseNumber;
            paramValues[9] = (const char *)feature.rankAddress;
            paramValues[10] = (const char *)feature.rankSearch;
            paramValues[11] = (const char *)feature.geometry;
            res = PQexecPrepared(conn, "placex_insert", 12, paramValues, NULL, NULL, 0);
            if (PQresultStatus(res) != PGRES_COMMAND_OK)
            {
                fprintf(stderr, "index_placex: INSERT failed: %s", PQerrorMessage(conn));
                PQclear(res);
                exit(EXIT_FAILURE);
            }
            PQclear(res);

            for (i = 0; i < featureAddressLines; i++)
            {
                // insert into place_address
                paramValues[0] = (const char *)place_id;
                paramValues[1] = (const char *)featureAddress[i].distance;
                paramValues[2] = (const char *)featureAddress[i].type;
                paramValues[3] = (const char *)featureAddress[i].id;
                paramValues[4] = (const char *)featureAddress[i].key;
                paramValues[5] = (const char *)featureAddress[i].value;
                paramValues[6] = (const char *)featureAddress[i].isAddress;
                res = PQexecPrepared(conn, "place_addressline_insert", 7, paramValues, NULL, NULL, 0);
                if (PQresultStatus(res) != PGRES_COMMAND_OK)
                {
                    fprintf(stderr, "place_addressline_insert: INSERT failed: %s", PQerrorMessage(conn));
                    PQclear(res);
                    exit(EXIT_FAILURE);
                }
                PQclear(res);

                xmlFree(featureAddress[i].type);
                xmlFree(featureAddress[i].id);
                xmlFree(featureAddress[i].key);
                xmlFree(featureAddress[i].value);
                xmlFree(featureAddress[i].distance);
            }

            if (featureNameLines)
            {
                paramValues[0] = (const char *)place_id;
                res = PQexecPrepared(conn, "search_name_insert", 1, paramValues, NULL, NULL, 0);
                if (PQresultStatus(res) != PGRES_COMMAND_OK)
                {
                    fprintf(stderr, "search_name_insert: INSERT failed: %s", PQerrorMessage(conn));
                    PQclear(res);
                    exit(EXIT_FAILURE);
                }
                PQclear(res);
            }

            partionQueryName = xmlHashLookup2(partionTableTagsHash, feature.key, feature.value);
            if (partionQueryName)
            {
                // insert into partition table
                paramValues[0] = (const char *)place_id;
                paramValues[1] = (const char *)feature.geometry;
                res = PQexecPrepared(conn, partionQueryName, 2, paramValues, NULL, NULL, 0);
                if (PQresultStatus(res) != PGRES_COMMAND_OK)
                {
                    fprintf(stderr, "%s: INSERT failed: %s", partionQueryName, PQerrorMessage(conn));
                    PQclear(res);
                    exit(EXIT_FAILURE);
                }
                PQclear(res);

            }

        }
        else
        {
            for (i = 0; i < featureAddressLines; i++)
            {
                xmlFree(featureAddress[i].type);
                xmlFree(featureAddress[i].id);
                xmlFree(featureAddress[i].key);
                xmlFree(featureAddress[i].value);
                xmlFree(featureAddress[i].distance);
            }
        }

        xmlFree(feature.placeID);
        xmlFree(feature.type);
        xmlFree(feature.id);
        xmlFree(feature.key);
        xmlFree(feature.value);
        xmlFree(feature.rankAddress);
        xmlFree(feature.rankSearch);
//		if (feature.name) xmlFree(feature.name);
        if (feature.countryCode) xmlFree(feature.countryCode);
        if (feature.adminLevel) xmlFree(feature.adminLevel);
        if (feature.houseNumber) xmlFree(feature.houseNumber);
        if (feature.geometry) xmlFree(feature.geometry);

//        PQclear(resPlaceID);
    }
}

static void processNode(xmlTextReaderPtr reader)
{
    xmlChar *name;
    name = xmlTextReaderName(reader);
    if (name == NULL)
    {
        name = xmlStrdup(BAD_CAST "--");
    }

    switch (xmlTextReaderNodeType(reader))
    {
    case XML_READER_TYPE_ELEMENT:
        StartElement(reader, name);
        if (xmlTextReaderIsEmptyElement(reader))
            EndElement(reader, name); /* No end_element for self closing tags! */
        break;
    case XML_READER_TYPE_END_ELEMENT:
        EndElement(reader, name);
        break;
    case XML_READER_TYPE_TEXT:
    case XML_READER_TYPE_CDATA:
    case XML_READER_TYPE_SIGNIFICANT_WHITESPACE:
        /* Ignore */
        break;
    default:
        fprintf(stderr, "Unknown node type %d\n", xmlTextReaderNodeType(reader));
        break;
    }

    xmlFree(name);
}

int nominatim_import(const char *conninfo, const char *partionTagsFilename, const char *filename)
{
    xmlTextReaderPtr	reader;
    int 				ret = 0;
    PGresult * 			res;
    FILE *				partionTagsFile;
    char * 				partionQueryName;
    char 				partionQuerySQL[1024];

    conn = PQconnectdb(conninfo);
    if (PQstatus(conn) != CONNECTION_OK)
    {
        fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(conn));
        exit(EXIT_FAILURE);
    }

    partionTableTagsHash = xmlHashCreate(200);

    partionTagsFile = fopen(partionTagsFilename, "rt");
    if (!partionTagsFile)
    {
        fprintf(stderr, "Unable to read partition tags file: %s\n", partionTagsFilename);
        exit(EXIT_FAILURE);
    }

    char buffer[1024], osmkey[256], osmvalue[256];
    int fields;
    while (fgets(buffer, sizeof(buffer), partionTagsFile) != NULL)
    {
        fields = sscanf( buffer, "%23s %63s", osmkey, osmvalue );

        if ( fields <= 0 ) continue;

        if ( fields != 2  )
        {
            fprintf( stderr, "Error partition file\n");
            exit_nicely();
        }
        partionQueryName = malloc(strlen("partition_insert_")+strlen(osmkey)+strlen(osmvalue)+2);
        strcpy(partionQueryName, "partition_insert_");
        strcat(partionQueryName, osmkey);
        strcat(partionQueryName, "_");
        strcat(partionQueryName, osmvalue);

        strcpy(partionQuerySQL, "insert into place_classtype_");
        strcat(partionQuerySQL, osmkey);
        strcat(partionQuerySQL, "_");
        strcat(partionQuerySQL, osmvalue);
        strcat(partionQuerySQL, " (place_id, centroid) values ($1, ST_Centroid(st_setsrid($2, 4326)))");

        res = PQprepare(conn, partionQueryName, partionQuerySQL, 2, NULL);
        if (PQresultStatus(res) != PGRES_COMMAND_OK)
        {
            fprintf(stderr, "Failed to prepare %s: %s\n", partionQueryName, PQerrorMessage(conn));
            exit(EXIT_FAILURE);
        }

        xmlHashAddEntry2(partionTableTagsHash, BAD_CAST osmkey, BAD_CAST osmvalue, BAD_CAST partionQueryName);
    }

    res = PQprepare(conn, "get_new_place_id",
                    "select nextval('seq_place')",
                    0, NULL);
    if (PQresultStatus(res) != PGRES_COMMAND_OK)
    {
        fprintf(stderr, "Failed to prepare get_new_place_id: %s\n", PQerrorMessage(conn));
        exit(EXIT_FAILURE);
    }

    res = PQprepare(conn, "get_place_id",
                    "select place_id from placex where osm_type = $1 and osm_id = $2 and class = $3 and type = $4",
                    4, NULL);
    if (PQresultStatus(res) != PGRES_COMMAND_OK)
    {
        fprintf(stderr, "Failed to prepare get_place_id: %s\n", PQerrorMessage(conn));
        exit(EXIT_FAILURE);
    }

    res = PQprepare(conn, "placex_insert",
                    "insert into placex (place_id,osm_type,osm_id,class,type,name,extratags,admin_level,housenumber,rank_address,rank_search,geometry) "
                    "values ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, st_setsrid($12, 4326))",
                    12, NULL);
    if (PQresultStatus(res) != PGRES_COMMAND_OK)
    {
        fprintf(stderr, "Failed to prepare placex_insert: %s\n", PQerrorMessage(conn));
        exit(EXIT_FAILURE);
    }

    res = PQprepare(conn, "search_name_insert",
                    "insert into search_name (place_id, search_rank, address_rank, country_code, name_vector, nameaddress_vector, centroid) "
                    "select place_id, rank_address, rank_search, country_code, make_keywords(name), "
                    "(select uniq(sort(array_agg(name_vector))) from place_addressline join search_name on "
                    "(address_place_id = search_name.place_id) where place_addressline.place_id = $1 ), st_centroid(geometry) from placex "
                    "where place_id = $1",
                    1, NULL);
    if (PQresultStatus(res) != PGRES_COMMAND_OK)
    {
        fprintf(stderr, "Failed to prepare search_name_insert: %s\n", PQerrorMessage(conn));
        exit(EXIT_FAILURE);
    }

    res = PQprepare(conn, "place_addressline_insert",
                    "insert into place_addressline (place_id, address_place_id, fromarea, isaddress, distance, cached_rank_address) "
                    "select $1, place_id, false, $7, $2, rank_address from placex where osm_type = $3 and osm_id = $4 and class = $5 and type = $6",
                    7, NULL);
    if (PQresultStatus(res) != PGRES_COMMAND_OK)
    {
        fprintf(stderr, "Failed to prepare place_addressline_insert: %s\n", PQerrorMessage(conn));
        exit(EXIT_FAILURE);
    }

    res = PQprepare(conn, "placex_delete",
                    "delete from placex where place_id = $1",
                    1, NULL);
    if (PQresultStatus(res) != PGRES_COMMAND_OK)
    {
        fprintf(stderr, "Failed to prepare placex_delete: %s\n", PQerrorMessage(conn));
        exit(EXIT_FAILURE);
    }

    res = PQprepare(conn, "search_name_delete",
                    "delete from search_name where place_id = $1",
                    1, NULL);
    if (PQresultStatus(res) != PGRES_COMMAND_OK)
    {
        fprintf(stderr, "Failed to prepare search_name_delete: %s\n", PQerrorMessage(conn));
        exit(EXIT_FAILURE);
    }

    res = PQprepare(conn, "place_addressline_delete",
                    "delete from place_addressline where place_id = $1",
                    1, NULL);
    if (PQresultStatus(res) != PGRES_COMMAND_OK)
    {
        fprintf(stderr, "Failed to prepare place_addressline_delete: %s\n", PQerrorMessage(conn));
        exit(EXIT_FAILURE);
    }

    featureCount = 0;

    reader = inputUTF8(filename);

    if (reader == NULL)
    {
        fprintf(stderr, "Unable to open %s\n", filename);
        return 1;
    }

    ret = xmlTextReaderRead(reader);
    while (ret == 1)
    {
        processNode(reader);
        ret = xmlTextReaderRead(reader);
    }
    if (ret != 0)
    {
        fprintf(stderr, "%s : failed to parse\n", filename);
        return ret;
    }

    xmlFreeTextReader(reader);
    xmlHashFree(partionTableTagsHash, NULL);

    return 0;
}