Fix formatting errors in the previous commit.

FossilOrigin-Name: da9a2e5aa977f7e8e9e4365f7b34bb4f482029a3d44646100773cedc8ea9b959
This commit is contained in:
dan 2017-04-21 19:56:53 +00:00
parent 5b9dbd1ed0
commit 6b0fa916f5
3 changed files with 14 additions and 13 deletions

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@ -5,12 +5,13 @@ given a database and a set of SQL queries. It works as follows:
1. The user database schema is copied to a temporary database.
1. All SQL queries are prepared against the temporary database. I
1. All SQL queries are prepared against the temporary database.
Information regarding the WHERE and ORDER BY clauses, and other query
features that affect index selection, are recorded.
features that affect index selection are recorded.
1. The information gathered in step 2 is used to create (possibly a large
number of) candidate indexes.
1. The information gathered in step 2 is used to create candidate indexes
- indexes that the planner might have made use of in the previous step,
had they been available.
1. A subset of the data in the user database is used to generate statistics
for all existing indexes and the candidate indexes generated in step 3
@ -67,9 +68,9 @@ Or an entire text file worth of queries with:
./sqlite3_expert -file <text-file> test.db
</pre>
By default, sqlite3_expert generates index statistics using all the data in
By default, sqlite3\_expert generates index statistics using all the data in
the user database. For a large database, this may be prohibitively time
consuming. The "-sample" option may be used to configure sqlite3_expert to
consuming. The "-sample" option may be used to configure sqlite3\_expert to
generate statistics based on an integer percentage of the user database as
follows:

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@ -1,5 +1,5 @@
C Update\sthe\sREADME.md\sfile\sin\sthe\sext/expert/\sdirectory.
D 2017-04-21T19:53:39.781
C Fix\sformatting\serrors\sin\sthe\sprevious\scommit.
D 2017-04-21T19:56:53.579
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F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc 6a8c838220f7c00820e1fc0ac1bccaaa8e5676067e1dbfa1bafa7a4ffecf8ae6
@ -40,7 +40,7 @@ F ext/README.md fd5f78013b0a2bc6f0067afb19e6ad040e89a10179b4f6f03eee58fac5f169bd
F ext/async/README.txt e12275968f6fde133a80e04387d0e839b0c51f91
F ext/async/sqlite3async.c 0f3070cc3f5ede78f2b9361fb3b629ce200d7d74
F ext/async/sqlite3async.h f489b080af7e72aec0e1ee6f1d98ab6cf2e4dcef
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F ext/expert/expert.c 33842ef151d84c5f8000f9c7b938998c6b999eaef7ce1f4eeb0df8ffe6739496
F ext/expert/expert1.test 1033e43071b69dc2f4e88fbf03fc7f18846c9865cac14f28c80f581437f09acb
F ext/expert/sqlite3expert.c 4bc1820a70d68b478884a26a2215df8c1f2d44fb40d9cd8c47d2046c8ce0c8bc
@ -1582,7 +1582,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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U dan
Z 425c38161b659ffbe58ff987543a301c
Z 360220848d9d809f77758310da99ccdb

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@ -1 +1 @@
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