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Overview
Comment: | Update the change log to mention recent VDBE performance enhancements. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
7113f9f1696d15871a6fbef3f0c44a63 |
User & Date: | drh 2013-11-21 23:43:43.802 |
Context
2013-11-25
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13:23 | Fix typo in malloc.html. (check-in: bf0de31094 user: drh tags: trunk) | |
2013-11-21
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23:43 | Update the change log to mention recent VDBE performance enhancements. (check-in: 7113f9f169 user: drh tags: trunk) | |
2013-11-19
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00:20 | Update the list of keywords to include COVERING, WITH, and WITHOUT. COVERING and WITH are currently unused. (check-in: 74e28675d4 user: drh tags: trunk) | |
Changes
Changes to pages/changes.in.
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25 26 27 28 29 30 31 32 33 34 35 36 37 38 | [sqlite3_index_info] object to allow a virtual table to report its estimate on the number of rows that will be returned by a query. <li>Update the [R-Tree extension] to make use of the enhanced virtual table interface. <li>Add the [SQLITE_ENABLE_EXPLAIN_COMMENTS] compile-time option. <li>Enhanced the comments that are inserted into [EXPLAIN] output when the [SQLITE_ENABLE_EXPLAIN_COMMENTS] compile-time option is enabled. <li>Enhanced the ".explain" output formatting of the [command-line shell] so that loops are indented to better show the structure of the program. <li>Enhanced the ".timer" feature of the [command-line shell] so that it shows wall-clock time in addition to system and user times. } chng {2013-10-17 (3.8.1)} { | > > > | 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | [sqlite3_index_info] object to allow a virtual table to report its estimate on the number of rows that will be returned by a query. <li>Update the [R-Tree extension] to make use of the enhanced virtual table interface. <li>Add the [SQLITE_ENABLE_EXPLAIN_COMMENTS] compile-time option. <li>Enhanced the comments that are inserted into [EXPLAIN] output when the [SQLITE_ENABLE_EXPLAIN_COMMENTS] compile-time option is enabled. <li>Performance enhancements in the VDBE, especially to the OP_Column opcode. <li>Factor constant subexpressions in inner loops out to the initialization code in prepared statements. <li>Enhanced the ".explain" output formatting of the [command-line shell] so that loops are indented to better show the structure of the program. <li>Enhanced the ".timer" feature of the [command-line shell] so that it shows wall-clock time in addition to system and user times. } chng {2013-10-17 (3.8.1)} { |
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