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#!/bin/sh
# ================================================================
#
# Convert a mysql database dump into something sqlite3 understands.
#
# Adapted from
# http://stackoverflow.com/questions/489277/script-to-convert-mysql-dump-sql-file-into-format-that-can-be-imported-into-sqlit
#
# (c) 2010 Martin Czygan <martin.czygan@gmail.com>
#
# ================================================================
if [ "$#" -lt 1 ]; then
echo "Usage: $0 <dumpname>"
exit
fi
SRC=$1
DST=$1.sqlite3.sql
DB=$1.sqlite3.db
ERR=$1.sqlite3.err
cat $SRC |
grep -v ' KEY "' |
grep -v ' KEY `' |
grep -v ' UNIQUE KEY "' |
grep -v ' UNIQUE KEY `' |
grep -v ' PRIMARY KEY ' |
sed 's/ENGINE=MyISAM/ /g' |
sed 's/DEFAULT/ /g' |
sed 's/CHARSET=[a-zA-Z0-9]*/ /g' |
sed 's/AUTO_INCREMENT=[0-9]*/ /g' |
sed 's/\\r\\n/\\n/g' |
sed 's/\\"/"/g' |
sed '/^SET/d' |
sed 's/ unsigned / /g' |
sed 's/ auto_increment/ primary key autoincrement/g' |
sed 's/ AUTO_INCREMENT/ primary key autoincrement/g' |
sed 's/ smallint([0-9]*) / integer /g' |
sed 's/ tinyint([0-9]*) / integer /g' |
sed 's/ int([0-9]*) / integer /g' |
sed 's/ character set [^ ]* / /g' |
sed 's/ enum([^)]*) / varchar(255) /g' |
sed 's/ on update [^,]*//g' |
sed 's/UNLOCK TABLES;//g' |
sed 's/LOCK TABLES [^;]*;//g' |
perl -e 'local $/;$_=<>;s/,\n\)/\n\)/gs;print "begin;\n";print;print "commit;\n"' |
perl -pe '
if (/^(INSERT.+?)\(/) {
$a=$1;
s/\\'\''/'\'\''/g;
s/\\n/\n/g;
s/\),\(/\);\n$a\(/g;
}
' > $DST
cat $DST | sqlite3 $DB > $ERR
ERRORS=`cat $ERR | wc -l`
if [ "$ERRORS" -eq "0" ]; then
echo "Conversion completed without error. Your db is ready under: $DB"
echo "\$ sqlite3 $DB"
rm -f $ERR
else
echo "There were errors during conversion. \
Please review $ERR and $DST for details."
fi
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