public void createAndLoad() {
cID = createTable(SCHEMA, C_TABLE, "cid INT NOT NULL PRIMARY KEY, w INT");
aID = createTable(SCHEMA, A_TABLE, "aid INT NOT NULL PRIMARY KEY, cid INT, x INT, GROUPING FOREIGN KEY(cid) REFERENCES c(cid)");
oID = createTable(SCHEMA, O_TABLE, "oid INT NOT NULL PRIMARY KEY, cid INT, y INT, GROUPING FOREIGN KEY(cid) REFERENCES c(cid)");
iID = createTable(SCHEMA, I_TABLE, "iid INT NOT NULL PRIMARY KEY, oid INT, z INT, GROUPING FOREIGN KEY(oid) REFERENCES o(oid)");
Schema schema = SchemaCache.globalSchema(ais());
cRowType = schema.tableRowType(cID);
aRowType = schema.tableRowType(aID);
oRowType = schema.tableRowType(oID);
iRowType = schema.tableRowType(iID);
writeRows(// unknown
// no O(65, 6)
row(iID, 650, 65, 650000), // 0
row(cID, 2, 2000), // 1
row(aID, 20, 2, 20000), // 2