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Add 0x before pointers (to help with debugging)

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Add support for VARCHAR with 1 or 2 length bytes
Enable VARCHAR packing in MyISAM files (previous patch didn't pack data properly)
Give error if we got problems in temporary tables during a SELECT
Don't use new table generated by ALTER TABLE if index generation fails
Fixed wrong call by range_end() (Could cause an ASSERT in debug mode)
This commit is contained in:
monty@mysql.com
2004-12-18 05:19:21 +02:00
parent b4dc75c877
commit 3fb088a075
57 changed files with 1417 additions and 472 deletions
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23
heap/hp_create.c
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@ -77,14 +77,31 @@ int heap_create(const char *name, uint keys, HP_KEYDEF *keydef,
case HA_KEYTYPE_INT8:
keyinfo->seg[j].flag|= HA_SWAP_KEY;
break;
case HA_KEYTYPE_VARBINARY:
case HA_KEYTYPE_VARBINARY1:
/* Case-insensitiveness is handled in coll->hash_sort */
keyinfo->seg[j].type= HA_KEYTYPE_VARTEXT;
keyinfo->seg[j].type= HA_KEYTYPE_VARTEXT1;
/* fall_through */
case HA_KEYTYPE_VARTEXT:
case HA_KEYTYPE_VARTEXT1:
if (!my_binary_compare(keyinfo->seg[j].charset))
keyinfo->flag|= HA_END_SPACE_KEY;
keyinfo->flag|= HA_VAR_LENGTH_KEY;
/* Save number of bytes used to store length */
keyinfo->seg[j].bit_start= 1;
break;
case HA_KEYTYPE_VARBINARY2:
/* Case-insensitiveness is handled in coll->hash_sort */
/* fall_through */
case HA_KEYTYPE_VARTEXT2:
if (!my_binary_compare(keyinfo->seg[j].charset))
keyinfo->flag|= HA_END_SPACE_KEY;
keyinfo->flag|= HA_VAR_LENGTH_KEY;
/* Save number of bytes used to store length */
keyinfo->seg[j].bit_start= 2;
/*
Make future comparison simpler by only having to check for
one type
*/
keyinfo->seg[j].type= HA_KEYTYPE_VARTEXT1;
break;
default:
break;