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access.comment
Package: SwordOnline.rar [view]
Upload User: dzyhzl
Upload Date: 2019-04-29
Package Size: 56270k
Code Size: 2k
Category:
Game Server Simulator
Development Platform:
C/C++
- Access 97 tested through ODBC 1998.04.19, by monty@mysql.com
- Access 97 has a bug when on executes a SELECT follwed very fast with a
- DROP TABLE or a DROP INDEX command:
- [Microsoft][ODBC Microsoft Access 97 Driver] The database engine couldn't lock table 'crash_q' because it's already in use by another person or process. (SQL-S1
- 000)(DBD: st_execute/SQLExecute err=-1)
- Debugging SQL queries in Access 97 is terrible because most error messages
- are of type:
- Error: [Microsoft][ODBC Microsoft Access 97 Driver] Syntax error in CREATE TABLE statement. (SQL-37000)(DBD: st_prepare/SQLPrepare err=-1)
- Which doesn't tell a thing!
- --------------
- Access 2000 tested through ODBC 2000.01.02, by monty@mysql.com
- crash-me takes a LONG time to run under Access 2000.
- The '1+NULL' and the 'OR and AND in WHERE' tests kills
- Activestate Perl, build 521, DBI-DBC with an OUT OF MEMORY error.
- The later test also kills perl/access with some internal errors.
- To go around this one must run crash-me repeatedly with the --restart option.
- Testing of the 'constant string size' (< 500K) takes a LOT of memory
- in Access (at least 250M on My computer).
- Testing of number of 'simple expressions' takes REALLY a lot of time
- and memory; At some point I was up to 350M of used memory!
- To fix the above, I modified crash-me to have lower max limits in the
- above tests.
- Benchmarks (under Win98):
- Running the connect-test will take up all available memory and this
- will not be freed even after quitting perl! There is probably some
- bug in the Access connect code that eats memory!