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Merge mysql-5.1 to mysql-5.5.

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This commit is contained in:
Marko Mäkelä 2012-10-18 17:14:57 +03:00
commit 2c3baab8f8
1 changed files with 12 additions and 7 deletions
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19
storage/innobase/row/row0sel.c
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@ -4847,12 +4847,16 @@ row_search_autoinc_read_column(
rec_offs_init(offsets_);
offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap);
offsets = rec_get_offsets(rec, index, offsets, col_no + 1, &heap);
if (rec_offs_nth_sql_null(offsets, col_no)) {
/* There is no non-NULL value in the auto-increment column. */
value = 0;
goto func_exit;
}
data = rec_get_nth_field(rec, offsets, col_no, &len);
ut_a(len != UNIV_SQL_NULL);
switch (mtype) {
case DATA_INT:
ut_a(len <= sizeof value);
@ -4873,14 +4877,15 @@ row_search_autoinc_read_column(
ut_error;
}
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
if (!unsigned_type && (ib_int64_t) value < 0) {
value = 0;
}
func_exit:
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(value);
}