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248 lines
7 KiB
C++
248 lines
7 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ident "$Id$"
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/*======
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This file is part of PerconaFT.
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Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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----------------------------------------
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License, version 3,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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======= */
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#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
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/* The goal of this test. Make sure that inserts stay behind deletes. */
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#include "test.h"
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#include <ft-cachetable-wrappers.h>
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#include "ft-flusher.h"
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#include "cachetable/checkpoint.h"
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static TOKUTXN const null_txn = 0;
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enum { NODESIZE = 1024, KSIZE=NODESIZE-100, TOKU_PSIZE=20 };
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CACHETABLE ct;
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FT_HANDLE ft;
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const char *fname = TOKU_TEST_FILENAME;
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static int update_func(
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DB* UU(db),
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const DBT* key,
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const DBT* old_val,
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const DBT* UU(extra),
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void (*set_val)(const DBT *new_val, void *set_extra),
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void *set_extra)
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{
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DBT new_val;
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assert(old_val->size > 0);
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if (verbose) {
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printf("applying update to %s\n", (char *)key->data);
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}
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toku_init_dbt(&new_val);
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set_val(&new_val, set_extra);
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return 0;
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}
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static void
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doit (void) {
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BLOCKNUM node_leaf[2];
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BLOCKNUM node_internal, node_root;
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int r;
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toku_cachetable_create(&ct, 500*1024*1024, ZERO_LSN, nullptr);
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unlink(fname);
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r = toku_open_ft_handle(fname, 1, &ft, NODESIZE, NODESIZE/2, TOKU_DEFAULT_COMPRESSION_METHOD, ct, null_txn, toku_builtin_compare_fun);
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assert(r==0);
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ft->options.update_fun = update_func;
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ft->ft->update_fun = update_func;
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toku_testsetup_initialize(); // must precede any other toku_testsetup calls
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r = toku_testsetup_leaf(ft, &node_leaf[0], 1, NULL, NULL);
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assert(r==0);
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r = toku_testsetup_leaf(ft, &node_leaf[1], 1, NULL, NULL);
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assert(r==0);
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char* pivots[1];
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pivots[0] = toku_strdup("kkkkk");
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int pivot_len = 6;
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r = toku_testsetup_nonleaf(ft, 1, &node_internal, 2, node_leaf, pivots, &pivot_len);
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assert(r==0);
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r = toku_testsetup_nonleaf(ft, 2, &node_root, 1, &node_internal, 0, 0);
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assert(r==0);
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r = toku_testsetup_root(ft, node_root);
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assert(r==0);
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//
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// at this point we have created a tree with a root, an internal node,
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// and two leaf nodes, the pivot being "kkkkk"
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//
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// now we insert a row into each leaf node
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r = toku_testsetup_insert_to_leaf (
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ft,
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node_leaf[0],
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"a", // key
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2, // keylen
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"aa",
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3
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);
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assert(r==0);
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r = toku_testsetup_insert_to_leaf (
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ft,
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node_leaf[1],
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"z", // key
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2, // keylen
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"zz",
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3
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);
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assert(r==0);
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//
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// now insert a bunch of dummy delete messages
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// into the internal node, to get its cachepressure size up
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//
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for (int i = 0; i < 100000; i++) {
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r = toku_testsetup_insert_to_nonleaf (
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ft,
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node_internal,
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FT_DELETE_ANY,
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"jj", // this key does not exist, so its message application should be a no-op
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3,
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NULL,
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0
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);
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assert(r==0);
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}
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//
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// now insert a broadcast message into the root
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//
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r = toku_testsetup_insert_to_nonleaf (
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ft,
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node_root,
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FT_UPDATE_BROADCAST_ALL,
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NULL,
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0,
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NULL,
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0
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);
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assert(r==0);
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//
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// now let us induce a clean on the internal node
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//
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FTNODE node;
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toku_pin_node_with_min_bfe(&node, node_leaf[1], ft);
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// hack to get merge going
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BLB_SEQINSERT(node, node->n_children-1) = false;
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toku_unpin_ftnode(ft->ft, node);
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// now do a lookup on one of the keys, this should bring a leaf node up to date
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DBT k;
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struct check_pair pair = {2, "a", 0, NULL, 0};
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r = toku_ft_lookup(ft, toku_fill_dbt(&k, "a", 2), lookup_checkf, &pair);
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assert(r==0);
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ftnode_fetch_extra bfe;
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bfe.create_for_min_read(ft->ft);
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toku_pin_ftnode(
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ft->ft,
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node_internal,
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toku_cachetable_hash(ft->ft->cf, node_internal),
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&bfe,
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PL_WRITE_EXPENSIVE,
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&node,
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true
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);
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assert(node->n_children == 2);
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// we expect that this flushes its buffer, that
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// a merge is not done, and that the lookup
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// of values "a" and "z" still works
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r = toku_ftnode_cleaner_callback(
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node,
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node_internal,
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toku_cachetable_hash(ft->ft->cf, node_internal),
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ft->ft
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);
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// verify that node_internal's buffer is empty
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bfe.create_for_min_read(ft->ft);
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toku_pin_ftnode(
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ft->ft,
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node_internal,
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toku_cachetable_hash(ft->ft->cf, node_internal),
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&bfe,
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PL_WRITE_EXPENSIVE,
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&node,
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true
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);
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// check that merge happened
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assert(node->n_children == 1);
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// check that buffers are empty
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assert(toku_bnc_nbytesinbuf(BNC(node, 0)) == 0);
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toku_unpin_ftnode(ft->ft, node);
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//
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// now run a checkpoint to get everything clean,
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// and to get the rebalancing to happen
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//
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CHECKPOINTER cp = toku_cachetable_get_checkpointer(ct);
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r = toku_checkpoint(cp, NULL, NULL, NULL, NULL, NULL, CLIENT_CHECKPOINT);
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assert_zero(r);
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// check that lookups on the two keys is still good
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struct check_pair pair1 = {2, "a", 0, NULL, 0};
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r = toku_ft_lookup(ft, toku_fill_dbt(&k, "a", 2), lookup_checkf, &pair1);
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assert(r==0);
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struct check_pair pair2 = {2, "z", 0, NULL, 0};
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r = toku_ft_lookup(ft, toku_fill_dbt(&k, "z", 2), lookup_checkf, &pair2);
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assert(r==0);
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r = toku_close_ft_handle_nolsn(ft, 0); assert(r==0);
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toku_cachetable_close(&ct);
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toku_free(pivots[0]);
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}
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int
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test_main (int argc __attribute__((__unused__)), const char *argv[] __attribute__((__unused__))) {
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default_parse_args(argc, argv);
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doit();
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return 0;
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}
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