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@ -30,7 +30,6 @@
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#include "calpontsystemcatalog.h"
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#include "we_index.h"
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/** @file
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* Brief description of the file contents
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*
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@ -41,134 +40,121 @@ using namespace std;
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void usage()
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{
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cout << "Usage: print_indexlist filename <S> block_offset subblock sbentry" << endl;
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cout << " Where S=0 means print the whole block, S=1 means print the subblock" << endl;
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cout << " Where subblock_number indicates which subblock to print." << endl;
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cout << " Where sbentry indicates the first entry to print" << endl;
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exit(1);
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cout << "Usage: print_indexlist filename <S> block_offset subblock sbentry" << endl;
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cout << " Where S=0 means print the whole block, S=1 means print the subblock" << endl;
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cout << " Where subblock_number indicates which subblock to print." << endl;
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cout << " Where sbentry indicates the first entry to print" << endl;
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exit(1);
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}
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int main(int argc, char** argv)
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{
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char buf[8192];
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int s, fd, subblock, byteoffset, i, entries, sbentry;
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string filename;
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off_t offset;
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off_t err;
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IndexListEntry* entry;
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IndexListParam* ptr;
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uint32_t fbo;
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char buf[8192];
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int s, fd, subblock, byteoffset, i, entries, sbentry;
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string filename;
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off_t offset;
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off_t err;
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IndexListEntry* entry;
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IndexListParam* ptr;
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uint32_t fbo;
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if (argc == 1)
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usage();
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if (argc == 1)
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usage();
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filename = argv[1];
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s = atoi(argv[2]);
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fbo = strtoul(argv[3], 0, 0);
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subblock = atoi(argv[4]);
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sbentry = atoi(argv[5]);
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filename = argv[1];
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s = atoi(argv[2]);
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fbo = strtoul(argv[3], 0, 0);
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subblock = atoi(argv[4]);
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sbentry = atoi(argv[5]);
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fd = open(filename.c_str(), O_RDONLY);
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fd = open(filename.c_str(), O_RDONLY);
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if (fd < 0)
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{
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perror("open");
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exit(1);
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}
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if (fd < 0)
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{
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perror("open");
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exit(1);
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}
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offset = ((off_t)fbo * BLOCK_SIZE);
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// cout << "BLOCK_SIZE = " << BLOCK_SIZE << " fbo=" << fbo << ", seeking to offset " << offset << endl;
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err = lseek(fd, offset, SEEK_SET);
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offset = ((off_t)fbo * BLOCK_SIZE);
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// cout << "BLOCK_SIZE = " << BLOCK_SIZE << " fbo=" << fbo << ", seeking to offset " << offset << endl;
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err = lseek(fd, offset, SEEK_SET);
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if (err < 0)
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{
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perror("lseek");
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exit(1);
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}
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err = read(fd, buf, BLOCK_SIZE);
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if (err != BLOCK_SIZE)
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{
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if (err < 0)
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perror("read");
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cerr << "read error." << endl;
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exit(1);
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}
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close(fd);
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byteoffset = subblock * 256;
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// cout << "subblock=" << subblock << " byte offset=" << byteoffset << endl;
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entry = reinterpret_cast<IndexListEntry*>(&buf[byteoffset]);
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if (s == 0 && subblock == 0)
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entries = 1024;
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else
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entries = 32;
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for (i = sbentry; i < entries; i++)
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{
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cout << i << ": ";
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switch (entry[i].type)
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{
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perror("lseek");
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exit(1);
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}
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case LLP_SUBBLK:
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ptr = reinterpret_cast<IndexListParam*>(&entry[i]);
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cout << "Subblock pointer. Rid count=" << entry[i].ridCt << " LBID=" << ptr->fbo
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<< " subblock=" << ptr->sbid << " SBentry=" << ptr->entry << endl;
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break;
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err = read(fd, buf, BLOCK_SIZE);
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case LLP_BLK:
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ptr = reinterpret_cast<IndexListParam*>(&entry[i]);
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cout << "Block pointer. Rid count=" << entry[i].ridCt << " LBID=" << ptr->fbo
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<< " subblock=" << ptr->sbid << " SBentry=" << ptr->entry << endl;
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break;
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if (err != BLOCK_SIZE)
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{
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if (err < 0)
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perror("read");
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case RID: cout << "RID: " << entry[i].value << endl; break;
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cerr << "read error." << endl;
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exit(1);
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}
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close(fd);
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byteoffset = subblock * 256;
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// cout << "subblock=" << subblock << " byte offset=" << byteoffset << endl;
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entry = reinterpret_cast<IndexListEntry*>(&buf[byteoffset]);
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if (s == 0 && subblock == 0)
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entries = 1024;
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else
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entries = 32;
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for (i = sbentry; i < entries; i++)
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{
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cout << i << ": ";
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switch (entry[i].type)
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case LIST_SIZE:
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if (i == sbentry)
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{
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case LLP_SUBBLK:
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ptr = reinterpret_cast<IndexListParam*>(&entry[i]);
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cout << "Subblock pointer. Rid count=" << entry[i].ridCt <<
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" LBID=" << ptr->fbo << " subblock=" << ptr->sbid <<
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" SBentry=" << ptr->entry << endl;
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break;
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case LLP_BLK:
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ptr = reinterpret_cast<IndexListParam*>(&entry[i]);
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cout << "Block pointer. Rid count=" << entry[i].ridCt <<
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" LBID=" << ptr->fbo << " subblock=" <<
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ptr->sbid << " SBentry=" << ptr->entry << endl;
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break;
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case RID:
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cout << "RID: " << entry[i].value << endl;
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break;
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case LIST_SIZE:
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if (i == sbentry)
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{
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u_int64_t* val = reinterpret_cast<u_int64_t*>(&entry[i + 1]);
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cout << "List Header. Rid count=" << entry[i].value;
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cout << " key value=0x" << hex << *val << dec << endl;
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i++;
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}
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else if (i + 1 < entries)
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{
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u_int64_t* val = reinterpret_cast<u_int64_t*>(&entry[i + 1]);
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cout << "List Size entry. Rid count=" << entry[i].value
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<< " (if a header) value=0x" << hex << *val << dec << endl;
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}
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else
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cout << "List Size entry. Rid count=" << entry[i].value << endl;
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break;
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case NOT_IN_USE:
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cout << "Not in use (ignored by p_idxlist)" << endl;
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break;
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case EMPTY_LIST_PTR:
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cout << "Empty List Pointer (?) (ignored by p_idxlist)" << endl;
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break;
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case EMPTY_PTR:
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cout << "Empty Pointer entry (?) (ignored by p_idxlist)" << endl;
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break;
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default:
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cout << "Unknown entry type (" << entry[i].type << ")" << endl;
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break;
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u_int64_t* val = reinterpret_cast<u_int64_t*>(&entry[i + 1]);
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cout << "List Header. Rid count=" << entry[i].value;
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cout << " key value=0x" << hex << *val << dec << endl;
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i++;
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}
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}
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else if (i + 1 < entries)
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{
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u_int64_t* val = reinterpret_cast<u_int64_t*>(&entry[i + 1]);
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cout << "List Size entry. Rid count=" << entry[i].value << " (if a header) value=0x" << hex << *val
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<< dec << endl;
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}
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else
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cout << "List Size entry. Rid count=" << entry[i].value << endl;
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return 0;
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break;
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case NOT_IN_USE: cout << "Not in use (ignored by p_idxlist)" << endl; break;
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case EMPTY_LIST_PTR: cout << "Empty List Pointer (?) (ignored by p_idxlist)" << endl; break;
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case EMPTY_PTR: cout << "Empty Pointer entry (?) (ignored by p_idxlist)" << endl; break;
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default: cout << "Unknown entry type (" << entry[i].type << ")" << endl; break;
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}
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}
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return 0;
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}
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