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Reduce tippecanoe memory usage (#5)

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* Change JSON objects to a union type to use less memory

* Stop storing the string representation of JSON numbers

* Restore the ability to create features with large integer attributes

* Make sure large-integer feature IDs still behave as before

* Add missing #include

* Don't preallocate as much space for arrays and objects

* Treat inability to check free disk space as a warning, not an error

* Update changelog and version
This commit is contained in:
Erica Fischer
2022-08-09 15:18:51 -07:00
committed by GitHub
parent 6978a0e102
commit 67cd9d8d85
20 changed files with 911 additions and 827 deletions
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dirtiles.cpp
+4 -4
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@@ -191,14 +191,14 @@ sqlite3 *dirmeta2tmp(const char *fname) {
exit(EXIT_FAILURE);
}
for (size_t i = 0; i < o->length; i++) {
if (o->keys[i]->type != JSON_STRING || o->values[i]->type != JSON_STRING) {
for (size_t i = 0; i < o->value.object.length; i++) {
if (o->value.object.keys[i]->type != JSON_STRING || o->value.object.values[i]->type != JSON_STRING) {
fprintf(stderr, "%s: non-string in metadata\n", name.c_str());
}
char *sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES (%Q, %Q);", o->keys[i]->string, o->values[i]->string);
char *sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES (%Q, %Q);", o->value.object.keys[i]->value.string.string, o->value.object.values[i]->value.string.string);
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set %s in metadata: %s\n", o->keys[i]->string, err);
fprintf(stderr, "set %s in metadata: %s\n", o->value.object.keys[i]->value.string.string, err);
}
sqlite3_free(sql);
}