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No-Intro: Improve parsing performance

This commit is contained in:
Jeffrey Pfau 2017-01-11 23:02:27 -08:00
parent d20e64f96d
commit 6078232af0
1 changed files with 14 additions and 0 deletions
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14
src/feature/sqlite3/no-intro.c
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@ -25,6 +25,8 @@ struct NoIntroDB* NoIntroDBLoad(const char* path) {
static const char createTables[] =
"PRAGMA foreign_keys = ON;\n"
"PRAGMA journal_mode = MEMORY;\n"
"PRAGMA synchronous = NORMAL;\n"
"CREATE TABLE IF NOT EXISTS gamedb ("
"dbid INTEGER NOT NULL PRIMARY KEY ASC,"
"name TEXT,"
@ -100,6 +102,8 @@ bool NoIntroDBLoadClrMamePro(struct NoIntroDB* db, struct VFile* vf) {
return false;
}
size_t remainingInTransaction = 0;
while (true) {
ssize_t bytesRead = vf->readline(vf, line, sizeof(line));
if (!bytesRead) {
@ -126,6 +130,13 @@ bool NoIntroDBLoadClrMamePro(struct NoIntroDB* db, struct VFile* vf) {
if (!fieldName) {
break;
}
if (!remainingInTransaction) {
remainingInTransaction = 16;
sqlite3_exec(db->db, "BEGIN TRANSACTION;", NULL, NULL, NULL);
} else {
--remainingInTransaction;
}
if (strcmp(fieldName, "clrmamepro") == 0) {
free((void*) dbType);
free((void*) dbVersion);
@ -183,6 +194,9 @@ bool NoIntroDBLoadClrMamePro(struct NoIntroDB* db, struct VFile* vf) {
free((void*) buffer.romName);
buffer.romName = NULL;
}
if (!remainingInTransaction) {
sqlite3_exec(db->db, "COMMIT;", NULL, NULL, NULL);
}
break;
case '"':
++token;