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Overview
| Comment: | Fully constraint the ORDER BY on the top-10 line of the --summary output from the wordcount test program. Add the run-wordcount.bash script for running wordcount in various configurations. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
7edf39eb93a8f9059a788f5fccf41c2b |
| User & Date: | drh 2013-11-16 15:35:18 |
Context
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2013-11-18
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| 03:11 | Enable the ONEPASS optimization for DELETE, for both rowid and WITHOUT ROWID tables. check-in: 44a07afd user: drh tags: trunk | |
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2013-11-16
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| 20:13 | Enhance the DELETE logic so that it can make use of WHERE_ONEPASS_DESIRED for rowid tables. check-in: 8f479a72 user: drh tags: optimize-delete | |
| 15:35 | Fully constraint the ORDER BY on the top-10 line of the --summary output from the wordcount test program. Add the run-wordcount.bash script for running wordcount in various configurations. check-in: 7edf39eb user: drh tags: trunk | |
| 14:03 | Avoid unnecessary OP_IfNull checks when doing a range query where there is a constraint on the lower bound of the range. check-in: de08a7e7 user: drh tags: trunk | |
Changes
Added test/run-wordcount.bash.
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#!/bin/bash # # This script runs the wordcount program in different ways, comparing # the output from each. # # Run the wordcount command with argument supplied and with --summary. # Store the results in wc-out.txt and report the run-time. # function time_wordcount { /usr/bin/time --format='%e %C' ./wordcount --summary $* >wc-out.txt } # Compare wc-out.txt against wc-baseline.txt and report any differences. # function compare_results { if cmp -s wc-out.txt wc-baseline.txt; then echo hi >/dev/null; else echo ERROR:; diff -u wc-baseline.txt wc-out.txt; fi } # Select the source text to be analyzed. # if test "x$1" = "x"; then echo "Usage: $0 FILENAME [ARGS...]"; exit 1; fi # Do test runs # rm -f wcdb1.db time_wordcount wcdb1.db $* --insert mv wc-out.txt wc-baseline.txt rm -f wcdb2.db time_wordcount wcdb2.db $* --insert --without-rowid compare_results rm -f wcdb1.db time_wordcount wcdb1.db $* --replace compare_results rm -f wcdb2.db time_wordcount wcdb2.db $* --replace --without-rowid compare_results rm -f wcdb1.db time_wordcount wcdb1.db $* --select compare_results rm -f wcdb2.db time_wordcount wcdb2.db $* --select --without-rowid compare_results time_wordcount wcdb1.db $* --query mv wc-out.txt wc-baseline.txt time_wordcount wcdb2.db $* --query --without-rowid compare_results time_wordcount wcdb1.db $* --delete mv wc-out.txt wc-baseline.txt time_wordcount wcdb2.db $* --delete --without-rowid compare_results # Clean up temporary files created. # rm -rf wcdb1.db wcdb2.db wc-out.txt wc-baseline.txt |
Changes to test/wordcount.c.
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sqlite3_exec(db,
"SELECT 'count(*): ', count(*) FROM wordcount;\n"
"SELECT 'sum(cnt): ', sum(cnt) FROM wordcount;\n"
"SELECT 'max(cnt): ', max(cnt) FROM wordcount;\n"
"SELECT 'avg(cnt): ', avg(cnt) FROM wordcount;\n"
"SELECT 'sum(cnt=1):', sum(cnt=1) FROM wordcount;\n"
"SELECT 'top 10: ', group_concat(word, ', ') FROM "
"(SELECT word FROM wordcount ORDER BY cnt DESC LIMIT 10);\n"
"SELECT 'checksum: ', checksum(word, cnt) FROM "
"(SELECT word, cnt FROM wordcount ORDER BY word);\n"
"PRAGMA integrity_check;\n",
printResult, 0, 0);
}
/* Database connection statistics printed after both prepared statements
|
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sqlite3_exec(db,
"SELECT 'count(*): ', count(*) FROM wordcount;\n"
"SELECT 'sum(cnt): ', sum(cnt) FROM wordcount;\n"
"SELECT 'max(cnt): ', max(cnt) FROM wordcount;\n"
"SELECT 'avg(cnt): ', avg(cnt) FROM wordcount;\n"
"SELECT 'sum(cnt=1):', sum(cnt=1) FROM wordcount;\n"
"SELECT 'top 10: ', group_concat(word, ', ') FROM "
"(SELECT word FROM wordcount ORDER BY cnt DESC, word LIMIT 10);\n"
"SELECT 'checksum: ', checksum(word, cnt) FROM "
"(SELECT word, cnt FROM wordcount ORDER BY word);\n"
"PRAGMA integrity_check;\n",
printResult, 0, 0);
}
/* Database connection statistics printed after both prepared statements
|