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sqlite: add option to add additional logic to the ANALYZE command and to the query planner that can help SQLite to chose a better query plan under certain situations

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Signed-off-by: Stephan Raue <stephan@openelec.tv>
This commit is contained in:
Stephan Raue 2011-12-10 22:13:22 +01:00
parent e6294102bd
commit 1ab494195f
1 changed files with 7 additions and 0 deletions
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7
packages/databases/sqlite/build
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@ -26,6 +26,13 @@
CFLAGS=`echo $CFLAGS | sed -e "s|-Ofast|-O3|"` CFLAGS=`echo $CFLAGS | sed -e "s|-Ofast|-O3|"`
CFLAGS=`echo $CFLAGS | sed -e "s|-ffast-math||"` CFLAGS=`echo $CFLAGS | sed -e "s|-ffast-math||"`
# This option adds additional logic to the ANALYZE command and to the query planner
# that can help SQLite to chose a better query plan under certain situations. The
# ANALYZE command is enhanced to collect histogram data from each index and store
# that data in the sqlite_stat3 table. The query planner will then use the histogram
# data to help it make better index choices.
CFLAGS="$CFLAGS -DSQLITE_ENABLE_STAT3"
cd $PKG_BUILD cd $PKG_BUILD
./configure --host=$TARGET_NAME \ ./configure --host=$TARGET_NAME \
--build=$HOST_NAME \ --build=$HOST_NAME \