diff options
Diffstat (limited to 'storage/xtradb/row/row0sel.c')
| -rw-r--r-- | storage/xtradb/row/row0sel.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/storage/xtradb/row/row0sel.c b/storage/xtradb/row/row0sel.c index 3ef9726588e..ed9ea8fe8c6 100644 --- a/storage/xtradb/row/row0sel.c +++ b/storage/xtradb/row/row0sel.c @@ -4616,6 +4616,7 @@ row_search_autoinc_read_column( dict_index_t* index, /*!< in: index to read from */ const rec_t* rec, /*!< in: current rec */ ulint col_no, /*!< in: column number */ + ulint mtype, /*!< in: column main type */ ibool unsigned_type) /*!< in: signed or unsigned flag */ { ulint len; @@ -4632,10 +4633,27 @@ row_search_autoinc_read_column( data = rec_get_nth_field(rec, offsets, col_no, &len); ut_a(len != UNIV_SQL_NULL); - ut_a(len <= sizeof value); /* we assume AUTOINC value cannot be negative */ - value = mach_read_int_type(data, len, unsigned_type); + switch (mtype) { + case DATA_INT: + ut_a(len <= sizeof value); + value = mach_read_int_type(data, len, unsigned_type); + break; + + case DATA_FLOAT: + ut_a(len == sizeof(float)); + value = mach_float_read(data); + break; + + case DATA_DOUBLE: + ut_a(len == sizeof(double)); + value = mach_double_read(data); + break; + + default: + ut_error; + } if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); @@ -4721,7 +4739,8 @@ row_search_max_autoinc( dfield->col->prtype & DATA_UNSIGNED); *value = row_search_autoinc_read_column( - index, rec, i, unsigned_type); + index, rec, i, + dfield->col->mtype, unsigned_type); } } |