81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/*
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* Copyright (c) 2010-2012 Postgres-XC Development Group
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*/
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#include <sys/types.h>
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#include <unistd.h>
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#include "gtm/gtm_c.h"
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#include "gtm/libpq-fe.h"
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#include "gtm/gtm_client.h"
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#define client_log(x) printf x
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int main(int argc, char* argv[])
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{
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int ii;
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GlobalTransactionId gxid[4000];
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GTM_Conn* conn;
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char connect_string[100];
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for (ii = 0; ii < 3; ii++) {
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fork();
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}
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sprintf(connect_string, "host=localhost port=6666 node_name=one remote_type=%d", GTM_NODE_COORDINATOR);
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conn = PQconnectGTM(connect_string);
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if (conn == NULL) {
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client_log(("Error in connection\n"));
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exit(1);
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}
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for (ii = 0; ii < 20; ii++) {
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gxid[ii] = begin_transaction(conn, GTM_ISOLATION_RC);
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if (gxid[ii] != InvalidGlobalTransactionId) {
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client_log(("Started a new transaction (GXID:%u)\n", gxid[ii]));
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} else {
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client_log(("BEGIN transaction failed for ii=%d\n", ii));
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}
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}
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for (ii = 0; ii < 5; ii++) {
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int jj;
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GTM_Snapshot snapshot = get_snapshot(conn, gxid[ii], true);
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if (snapshot != NULL) {
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client_log(("Snapshot: GXID %u, xmin=%u, xmax=%u\n", gxid[ii], snapshot->sn_xmin, snapshot->sn_xmax));
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client_log(("xcnt=%d %s", snapshot->sn_xcnt, snapshot->sn_xcnt > 0 ? "xip=(" : ""));
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for (jj = 0; jj < snapshot->sn_xcnt; jj++) {
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client_log(("%d%c ", snapshot->sn_xip[jj], ((jj + 1) == snapshot->sn_xcnt) ? ')' : ','));
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}
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client_log(("\n"));
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}
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}
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for (ii = 0; ii < 20; ii++) {
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if (!prepare_transaction(conn, gxid[ii])) {
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client_log(("PREPARE successful (GXID:%u)\n", gxid[ii]));
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} else {
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client_log(("PREPARE failed (GXID:%u)\n", gxid[ii]));
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}
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}
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for (ii = 0; ii < 20; ii++) {
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if (ii % 2 == 0) {
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if (!abort_transaction(conn, gxid[ii])) {
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client_log(("ROLLBACK successful (GXID:%u)\n", gxid[ii]));
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} else {
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client_log(("ROLLBACK failed (GXID:%u)\n", gxid[ii]));
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}
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} else {
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if (!commit_transaction(conn, gxid[ii])) {
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client_log(("COMMIT successful (GXID:%u)\n", gxid[ii]));
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} else {
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client_log(("COMMIT failed (GXID:%u)\n", gxid[ii]));
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}
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}
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}
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GTMPQfinish(conn);
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return 0;
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}
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