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fixed bug causing 1 extra row / data page

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This commit is contained in:
brianb
2000-03-19 03:44:42 +00:00
parent 61cf29ad4f
commit 99a5e99dd4
1 changed files with 8 additions and 19 deletions
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27
src/libmdb/data.c
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@@ -192,6 +192,7 @@ int mdb_fetch_row(MdbTableDef *table)
MdbHandle *mdb = table->entry->mdb; MdbHandle *mdb = table->entry->mdb;
int rows; int rows;
/* initialize */
if (!table->cur_pg_num) { if (!table->cur_pg_num) {
table->cur_pg_num=1; table->cur_pg_num=1;
table->cur_row=0; table->cur_row=0;
@@ -199,14 +200,17 @@ int rows;
} }
rows = mdb_get_int16(mdb,8); rows = mdb_get_int16(mdb,8);
/* if at end of page, find a new page */
if (table->cur_row >= rows) {
table->cur_row=0;
if (!mdb_read_next_dpg(table)) return 0;
}
mdb_read_row(table, mdb_read_row(table,
table->cur_row); table->cur_row);
table->cur_row++; table->cur_row++;
if (table->cur_row > rows) {
table->cur_row=0;
if (!mdb_read_next_dpg(table)) return 0;
}
return 1; return 1;
} }
void mdb_data_dump(MdbTableDef *table) void mdb_data_dump(MdbTableDef *table)
@@ -226,21 +230,6 @@ char *bound_values[256]; /* warning doesn't handle tables > 256 columns. Can th
fprintf(stdout, "column %d is %s\n", j+1, bound_values[j]); fprintf(stdout, "column %d is %s\n", j+1, bound_values[j]);
} }
} }
#if 0
for (pg_num=1;pg_num<=table->num_pgs;pg_num++) {
mdb_read_pg(mdb,table->first_data_pg + pg_num);
rows = mdb_get_int16(mdb,8);
fprintf(stdout,"Rows on page %d: %d\n",
pg_num + table->first_data_pg,
rows);
for (i=0;i<rows;i++) {
mdb_read_row(table, i);
for (j=0;j<table->num_cols;j++) {
fprintf(stdout, "column %d is %s\n", j+1, bound_values[j]);
}
}
}
#endif
for (i=0;i<table->num_cols;i++) { for (i=0;i<table->num_cols;i++) {
free(bound_values[i]); free(bound_values[i]);
} }