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Add invert_changeset to SQLite Lua API

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Paul Kulchenko 2022-10-12 18:11:38 -07:00
parent 1a8732f25f
commit 19ffe187ef
1 changed files with 19 additions and 0 deletions
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19
tool/net/lsqlite3.c
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@ -1981,6 +1981,24 @@ static int db_changeset_filter_callback(
return result; return result;
} }
static int db_invert_changeset(lua_State *L) {
sdb *db = lsqlite_checkdb(L, 1);
const char *cset = luaL_checkstring(L, 2);
int nset = lua_rawlen(L, 2);
int rc;
int size;
void *buf;
if ((rc = sqlite3changeset_invert(nset, cset, &size, &buf)) != SQLITE_OK) {
lua_pushnil(L);
lua_pushinteger(L, rc);
return 2;
}
lua_pushlstring(L, buf, size);
sqlite3_free(buf);
return 1;
}
static int db_apply_changeset(lua_State *L) { static int db_apply_changeset(lua_State *L) {
sdb *db = lsqlite_checkdb(L, 1); sdb *db = lsqlite_checkdb(L, 1);
const char *cset = luaL_checkstring(L, 2); const char *cset = luaL_checkstring(L, 2);
@ -2241,6 +2259,7 @@ static const luaL_Reg dblib[] = {
{"create_session", db_create_session }, {"create_session", db_create_session },
{"create_rebaser", db_create_rebaser }, {"create_rebaser", db_create_rebaser },
{"apply_changeset", db_apply_changeset }, {"apply_changeset", db_apply_changeset },
{"invert_changeset", db_invert_changeset },
{"__tostring", db_tostring }, {"__tostring", db_tostring },
{"__gc", db_gc }, {"__gc", db_gc },