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@@ -14,6 +14,10 @@
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\date 2008
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*/
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+extern "C" {
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+#include <grass/dbmi.h>
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+}
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+
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#include "driver.h"
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#include "digit.h"
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@@ -238,7 +242,7 @@ int Digit::SetLineCats(int line_id, int layer, std::vector<int> cats, bool add)
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if (line_id == -1) {
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line = display->selected.values->value[0];
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}
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-
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+
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if (!Vect_line_alive(display->mapInfo, line)) {
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DeadLineMsg(line);
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return -1;
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@@ -272,14 +276,17 @@ int Digit::SetLineCats(int line_id, int layer, std::vector<int> cats, bool add)
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ret = Vect_rewrite_line(display->mapInfo, line, type,
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Points, Cats);
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- if (ret > 0) {
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- /* updates feature id (id is changed since line has been rewriten) */
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- changesets[changesets.size()-1][0].line = ret;
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- }
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- else {
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- changesets.erase(changesets.size()-1);
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- }
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-
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+ /* TODO
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+ updates feature id (id is changed since line has been rewriten)
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+ if (ret > 0) {
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+
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+ changesets[changesets.size()-1][0].line = ret;
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+ }
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+ else {
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+ changesets.erase(changesets.size()-1);
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+ }
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+ */
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+
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if (line_id == -1) {
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/* update line id since the line was rewritten */
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display->selected.values->value[0] = ret;
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@@ -296,14 +303,15 @@ int Digit::SetLineCats(int line_id, int layer, std::vector<int> cats, bool add)
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\param fromId list of 'from' feature ids
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\param toId list of 'to' feature ids
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+ \param copyAttrb duplicate attribures instead of copying categories
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\return number of modified features
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\return -1 on error
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*/
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-int Digit::CopyCats(std::vector<int> fromId, std::vector<int> toId)
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+int Digit::CopyCats(std::vector<int> fromId, std::vector<int> toId, bool copyAttrb)
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{
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int fline, tline, nlines, type;
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- bool error;
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+ int cat;
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struct line_pnts *Points;
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struct line_cats *Cats_from, *Cats_to;
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@@ -313,46 +321,158 @@ int Digit::CopyCats(std::vector<int> fromId, std::vector<int> toId)
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Cats_to = Vect_new_cats_struct();
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nlines = 0;
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- error = false;
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+
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for (std::vector<int>::const_iterator fi = fromId.begin(), fe = fromId.end();
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- fi != fe && !error; ++fi) {
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+ fi != fe; ++fi) {
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+
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fline = *fi;
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if (!Vect_line_alive(display->mapInfo, fline))
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continue;
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type = Vect_read_line(display->mapInfo, NULL, Cats_from, fline);
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if (type < 0) {
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- nlines = -1;
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- error = true;
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+ ReadLineMsg(fline);
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+ return -1;
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}
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for(std::vector<int>::const_iterator ti = toId.begin(), te = toId.end();
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- ti != te && !error; ++ti) {
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+ ti != te; ++ti) {
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+
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tline = *ti;
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if (!Vect_line_alive(display->mapInfo, tline))
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continue;
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+
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type = Vect_read_line(display->mapInfo, Points, Cats_to, tline);
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if (type < 0) {
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- nlines = -1;
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- error = true;
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+ ReadLineMsg(tline);
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+ return -1;
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}
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- for (int i = 0; Cats_from->n_cats; i++) {
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- if (Vect_cat_set(Cats_to, Cats_from->field[i], Cats_from->field[i]) < 1) {
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- nlines = -1;
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- error = true;
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+ for (int i = 0; i < Cats_from->n_cats; i++) {
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+ if (!copyAttrb) {
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+ cat = Cats_from->cat[i]; /* duplicate category */
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+ }
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+ else {
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+ /* duplicate attributes */
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+ struct field_info *fi;
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+ char buf[GSQL_MAX];
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+ dbDriver *driver;
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+ dbHandle handle;
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+ dbCursor cursor;
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+ dbTable *table;
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+ dbColumn *column;
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+ dbValue *value;
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+ dbString stmt, value_string;
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+ int col, ncols;
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+ int more, ctype;
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+
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+ cat = ++cats[Cats_from->field[i]];
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+
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+ fi = Vect_get_field(display->mapInfo, Cats_from->field[i]);
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+
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+ if (fi == NULL) {
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+ DblinkMsg(Cats_from->field[i]);
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+ return -1;
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+ }
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+
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+ driver = db_start_driver(fi->driver);
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+ if (driver == NULL) {
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+ DbDriverMsg(fi->driver);
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+ return -1;
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+ }
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+
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+ db_init_handle (&handle);
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+ db_set_handle (&handle, fi->database, NULL);
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+ if (db_open_database(driver, &handle) != DB_OK) {
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+ db_shutdown_driver(driver);
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+ DbDatabaseMsg(fi->driver, fi->database);
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+ return -1;
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+ }
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+
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+ db_init_string (&stmt);
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+ sprintf (buf, "SELECT * FROM %s WHERE %s=%d",
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+ fi->table, fi->key, Cats_from->cat[i]);
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+ db_set_string(&stmt, buf);
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+
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+ if (db_open_select_cursor(driver, &stmt, &cursor, DB_SEQUENTIAL) != DB_OK) {
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+ db_close_database(driver);
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+ db_shutdown_driver(driver);
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+ DbSelectCursorMsg(db_get_string(&stmt));
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+ return -1;
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+ }
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+
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+
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+ table = db_get_cursor_table(&cursor);
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+ ncols = db_get_table_number_of_columns(table);
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+
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+ sprintf(buf, "INSERT INTO %s VALUES (", fi->table);
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+ db_set_string(&stmt, buf);
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+
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+ /* fetch the data */
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+ while (1) {
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+ if (db_fetch(&cursor, DB_NEXT, &more) != DB_OK) {
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+ db_close_database(driver);
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+ db_shutdown_driver(driver);
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+ return -1;
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+ }
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+ if (!more)
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+ break;
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+
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+ for (col = 0; col < ncols; col++) {
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+ if (col > 0)
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+ db_append_string(&stmt, ",");
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+
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+ column = db_get_table_column(table, col);
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+ if (strcmp(db_get_column_name(column), fi->key) == 0) {
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+ sprintf(buf, "%d", cat);
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+ db_append_string(&stmt, buf);
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+ continue;
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+ }
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+
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+ value = db_get_column_value(column);
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+ db_convert_column_value_to_string(column, &value_string);
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+ if (db_test_value_isnull(value))
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+ db_append_string(&stmt, "NULL");
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+ else {
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+ ctype = db_sqltype_to_Ctype(db_get_column_sqltype(column));
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+ if (ctype != DB_C_TYPE_STRING)
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+ db_append_string(&stmt, db_get_string(&value_string));
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+ else {
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+ sprintf(buf, "'%s'", db_get_string(&value_string));
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+ db_append_string(&stmt, buf);
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+ }
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+ }
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+ }
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+ }
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+ db_append_string(&stmt, ")");
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+
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+ if (db_execute_immediate (driver, &stmt) != DB_OK ) {
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+ db_close_database(driver);
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+ db_shutdown_driver(driver);
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+ DbExecuteMsg(db_get_string(&stmt));
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+ return -1;
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+ }
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+
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+ db_close_database(driver);
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+ db_shutdown_driver(driver);
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+ }
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+
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+ if (Vect_cat_set(Cats_to, Cats_from->field[i], cat) < 1) {
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+ continue;
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}
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}
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if (Vect_rewrite_line(display->mapInfo, tline, type, Points, Cats_to) < 0) {
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- nlines = -1;
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- error = true;
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+ WriteLineMsg();
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+ return -1;
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}
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-
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+
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+ G_debug(1, "Digit::CopyCats(): fline=%d, tline=%d", fline, tline);
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+
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nlines++;
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}
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}
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-
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+
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Vect_destroy_line_struct(Points);
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Vect_destroy_cats_struct(Cats_from);
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Vect_destroy_cats_struct(Cats_to);
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Martin Landa