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remove jumps from column start calculation for JET4

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adding -1 and -d flags to mdb-tables
added table not found message to prtable
This commit is contained in:
brianb
2002-04-21 03:09:26 +00:00
parent e7927f94bc
commit 695cc9c00a
4 changed files with 70 additions and 47 deletions
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12
src/libmdb/data.c
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@@ -145,7 +145,7 @@ unsigned char isnull;
if (row_start & 0x8000) lookupflag++;
if (row_start & 0x4000) delflag++;
row_start &= 0x0FFF; /* remove flags */
#if DEBUG
#if MDB_DEBUG
fprintf(stdout,"Row %d bytes %d to %d %s %s\n",
row, row_start, row_end,
lookupflag ? "[lookup]" : "",
@@ -231,7 +231,7 @@ unsigned char isnull;
num_of_jumps++;
}
if (mdb->jet_version==MDB_VER_JET4) {
col_ptr = row_end - 2 - bitmask_sz - num_of_jumps - 1;
col_ptr = row_end - 2 - bitmask_sz - 1;
eod = mdb_get_int16(mdb, col_ptr - var_cols*2);
col_start = mdb_get_int16(mdb, col_ptr);
} else {
@@ -244,6 +244,10 @@ unsigned char isnull;
col_start = mdb->pg_buf[col_ptr];
}
#if MDB_DEBUG
fprintf(stdout,"col_start %d num_of_jumps %d\n",
col_start, num_of_jumps);
#endif
/* variable columns */
for (j=0;j<table->num_cols;j++) {
@@ -277,7 +281,9 @@ unsigned char isnull;
}
isnull = mdb_is_null(null_mask, j+1);
//printf("binding len %d isnull %d col_start %d row_start %d row_end %d bitmask %d var_cols_found %d buf %d\n", len, isnull,col_start,row_start,row_end, bitmask_sz, var_cols_found, mdb->pg_buf[row_end - bitmask_sz - var_cols_found * 2 - 1 - num_of_jumps ]);
#if MDB_DEBUG
printf("binding len %d isnull %d col_start %d row_start %d row_end %d bitmask %d var_cols_found %d buf %d\n", len, isnull,col_start,row_start,row_end, bitmask_sz, var_cols_found, mdb->pg_buf[row_end - bitmask_sz - var_cols_found * 2 - 1 - num_of_jumps ]);
#endif
rc = _mdb_attempt_bind(mdb, col, isnull,
row_start + col_start, len);
if (!rc) return 0;