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HEAP: Copies the key count to a backup variable and sets the key count to zero. That way, no HEAP function will ever try to touch any index. Re-enabling is done by copying back the backup variable. To avoid memory leak at table close, disable deletes all index trees. Re-enabling must be done with empty indexes and data anyway. Otherwise, the indexes would need to be repaired, wich HEAP is not capable of. MyISAM: Only the key_map is cleared and set. Re-enabling must be done with empty indexes and data. Otherwise, repair needs to be done which will enable all keys persistently. The former implementation disabled only non-unique keys and maked this persistent. The new implementation additionally can disable all keys, but only without making this persistent. Re-enabling all keys can be done without repair, if data file and indexes are empty. |
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| .. | ||
| .cvsignore | ||
| _check.c | ||
| _rectest.c | ||
| ChangeLog | ||
| heapdef.h | ||
| hp_block.c | ||
| hp_clear.c | ||
| hp_close.c | ||
| hp_create.c | ||
| hp_delete.c | ||
| hp_extra.c | ||
| hp_hash.c | ||
| hp_info.c | ||
| hp_open.c | ||
| hp_panic.c | ||
| hp_rename.c | ||
| hp_rfirst.c | ||
| hp_rkey.c | ||
| hp_rlast.c | ||
| hp_rnext.c | ||
| hp_rprev.c | ||
| hp_rrnd.c | ||
| hp_rsame.c | ||
| hp_scan.c | ||
| hp_static.c | ||
| hp_test1.c | ||
| hp_test2.c | ||
| hp_update.c | ||
| hp_write.c | ||
| make-ccc | ||
| Makefile.am | ||