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| author | unknown <monty@hundin.mysql.fi> | 2001-11-29 15:34:37 +0200 |
|---|---|---|
| committer | unknown <monty@hundin.mysql.fi> | 2001-11-29 15:34:37 +0200 |
| commit | ace649189d566532a46ff110db15ccde117ce4af (patch) | |
| tree | 5278a62187996e3ff76046ee3a27680bcadfc05f /sql/handler.h | |
| parent | 00d80ffff1da7a19489a1aaab9ba29ded55b84ad (diff) | |
| download | mariadb-git-ace649189d566532a46ff110db15ccde117ce4af.tar.gz | |
Better optimization for InnoDB and BDB tables for ORDER BY
Build-tools/Do-compile:
Merge with 4.0
Docs/manual.texi:
Changelog
mysql-test/r/innodb.result:
New tests cases for ORDER BY
mysql-test/r/myisam.result:
New tests cases for ORDER BY
mysql-test/t/innodb.test:
New tests cases for ORDER BY
mysql-test/t/myisam.test:
New tests cases for ORDER BY
Diffstat (limited to 'sql/handler.h')
| -rw-r--r-- | sql/handler.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/handler.h b/sql/handler.h index f6e9ad61d94..560420a480d 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -223,6 +223,7 @@ public: { return ulonglong2double(data_file_length) / IO_SIZE + 1; } virtual double read_time(ha_rows rows) { return rows; } virtual bool fast_key_read() { return 0;} + virtual key_map keys_to_use_for_scanning() { return 0; } virtual bool has_transactions(){ return 0;} virtual uint extra_rec_buf_length() { return 0; } virtual ha_rows estimate_number_of_rows() { return records+EXTRA_RECORDS; } |