mirror of
https://github.com/MariaDB/server.git
synced 2025-01-22 23:04:20 +01:00
1bfd207e32
{{{
svn merge -r 23006:23042 https://svn.tokutek.com/tokudb/toku/tokudb.2862b
}}}
.
git-svn-id: file:///svn/toku/tokudb@23046 c7de825b-a66e-492c-adef-691d508d4ae1
106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
#include <stdlib.h>
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#include <assert.h>
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#include <db_cxx.h>
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#include <memory.h>
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static void hexdump(Dbt *d) {
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unsigned char *cp = (unsigned char *) d->get_data();
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int n = d->get_size();
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printf(" ");
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for (int i=0; i<n; i++)
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printf("%2.2x", cp[i]);
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printf("\n");
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}
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static int dbdump(const char *env_dir, const char *dbfile, const char *dbname) {
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int r;
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#if defined(USE_ENV) && USE_ENV
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DbEnv env(DB_CXX_NO_EXCEPTIONS);
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r = env.set_redzone(0); assert(r==0);
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r = env.open(env_dir, DB_INIT_MPOOL + DB_CREATE + DB_PRIVATE, 0777); assert(r == 0);
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Db db(&env, DB_CXX_NO_EXCEPTIONS);
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#else
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Db db(0, DB_CXX_NO_EXCEPTIONS);
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#endif
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r = db.open(0, dbfile, dbname, DB_UNKNOWN, 0, 0777);
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if (r != 0) {
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printf("cant open %s:%s %d:%s\n", dbfile, dbname, r, db_strerror(r));
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#if defined(USE_ENV) && USE_ENV
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r = env.close(0); assert(r == 0);
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#endif
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return 1;
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}
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u_int32_t dbflags;
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r = db.get_flags(&dbflags); assert(r == 0);
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#ifndef TOKUDB
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if (dbflags & DB_DUP)
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printf("duplicates=1\n");
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if (dbflags & DB_DUPSORT)
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printf("dupsort=1\n");
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#endif
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#if 0
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u_int32_t nodesize;
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r = db.get_nodesize(&nodesize); assert(r == 0);
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printf("nodesize=%d\n", nodesize);
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#endif
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Dbc *cursor;
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r = db.cursor(0, &cursor, 0); assert(r == 0);
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Dbt key; key.set_flags(DB_DBT_REALLOC);
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Dbt val; val.set_flags(DB_DBT_REALLOC);
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for (;;) {
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r = cursor->get(&key, &val, DB_NEXT);
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if (r != 0) break;
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// printf("%.*s\n", key.get_size(), (char *)key.get_data());
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hexdump(&key);
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// printf("%.*s\n", val.get_size(), (char *)val.get_data());
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hexdump(&val);
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}
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if (key.get_data()) toku_free(key.get_data());
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if (val.get_data()) toku_free(val.get_data());
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r = cursor->close(); assert(r == 0);
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r = db.close(0); assert(r == 0);
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#if defined(USE_ENV) && USE_ENV
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r = env.close(0); assert(r == 0);
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#endif
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return 0;
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}
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static int usage() {
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printf("db_dump [-s DBNAME] DBFILE\n");
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return 1;
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}
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int main(int argc, const char *argv[]) {
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const char *dbname = 0;
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const char *env_dir = ".";
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int i;
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for (i=1; i<argc; i++) {
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const char *arg = argv[i];
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if (0 == strcmp(arg, "-h") || 0 == strcmp(arg, "--help"))
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return usage();
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if (0 == strcmp(arg, "-s")) {
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if (i+1 >= argc)
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return usage();
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dbname = argv[++i];
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continue;
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}
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if (0 == strcmp(arg, "--env_dir")) {
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if (i+1 >= argc)
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return usage();
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env_dir = argv[++i];
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continue;
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}
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break;
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}
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if (i >= argc)
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return usage();
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return dbdump(env_dir, argv[i], dbname);
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}
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