74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
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* ex_thread.c
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* Copyright (c) 2010 WiredTiger, Inc. All rights reserved.
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*
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* This is an example demonstrating how to create and access a simple table.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <pthread.h>
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#include <wiredtiger.h>
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void *scan_thread(void *arg);
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const char *home = "WT_TEST";
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#define NUM_THREADS 10
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WT_CONNECTION *conn;
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void *scan_thread(void *arg)
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{
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WT_SESSION *session;
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WT_CURSOR *cursor;
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const char *key, *value;
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int ret;
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ret = conn->open_session(conn, NULL, NULL, &session);
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ret = session->open_cursor(session, "table:access", NULL, NULL, &cursor);
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/* Show all records. */
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while ((ret = cursor->next(cursor)) == 0) {
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ret = cursor->get_key(cursor, &key);
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ret = cursor->get_value(cursor, &value);
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printf("Got record: %s : %s\n", key, value);
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}
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return (arg);
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}
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int main()
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{
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WT_SESSION *session;
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WT_CURSOR *cursor;
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pthread_t threads[NUM_THREADS];
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int i, ret;
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if ((ret = wiredtiger_open(home, NULL, "create", &conn)) != 0)
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fprintf(stderr, "Error connecting to %s: %s\n",
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home, wiredtiger_strerror(ret));
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/* Note: further error checking omitted for clarity. */
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ret = conn->open_session(conn, NULL, NULL, &session);
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ret = session->create_table(session, "access",
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"key_format=S,value_format=S");
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ret = session->open_cursor(session, "table:access", NULL,
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"overwrite", &cursor);
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cursor->set_key(cursor, "key1");
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cursor->set_value(cursor, "value1");
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ret = cursor->insert(cursor);
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ret = session->close(session, NULL);
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for (i = 0; i < NUM_THREADS; i++)
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ret = pthread_create(&threads[i], NULL, scan_thread, NULL);
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for (i = 0; i < NUM_THREADS; i++)
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ret = pthread_join(threads[i], NULL);
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ret = conn->close(conn, NULL);
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return (ret);
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}
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