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Convert a mysql database dump into something sqlite3 understands.
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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 $SRC | | |
| grep -v ' KEY "' | | |
| grep -v ' UNIQUE KEY "' | | |
| grep -v ' PRIMARY KEY ' | | |
| perl -pe 's/--.*$//g' | # single line comments break line joining we do later | |
| perl -pe 's/ENGINE=MyISAM/ /g' | | |
| perl -pe 's/ENGINE=InnoDB/ /g' | | |
| #perl -pe 's/DEFAULT/ /g' | | |
| perl -pe 's/DEFAULT CHARSET=[a-zA-Z0-9]*/ /g' | | |
| perl -pe 's/AUTO_INCREMENT=[0-9]*/ /g' | | |
| perl -pe 's/\\r\\n/\\n/g' | | |
| perl -pe 's/\\"/"/g' | | |
| grep -v '/^SET/' | | |
| perl -pe 's/ unsigned / /g' | | |
| perl -pe 's/ auto_increment/ primary key autoincrement/ig' | | |
| perl -pe 's/ smallint\([0-9]*\) / integer /g' | | |
| perl -pe 's/ tinyint\([0-9]*\) / integer /g' | | |
| perl -pe 's/ int\([0-9]*\) / integer /g' | | |
| perl -pe 's/ character set [^ ]* / /g' | | |
| perl -pe 's/ enum\([^)]*\) / varchar\(255\) /g' | | |
| perl -pe 's/ on update [^,]*//g' | | |
| perl -pe 's/UNLOCK TABLES;//g' | | |
| perl -pe 's/LOCK TABLES [^;]*;//g' | | |
| perl -e 'local $/;$_=<>;s/,\n\)/\n\)/gs;print "begin;\n";print;print "commit;\n"' | | |
| grep -v "\<KEY\>" | | |
| perl -pe ' | |
| if (/^(INSERT.+?)\(/) { | |
| $a=$1; | |
| s/\\'\''/'\'\''/g; | |
| s/\\n/\n/g; | |
| s/\),\(/\);\n$a\(/g; | |
| } | |
| ' | | |
| python -c ' | |
| import sys | |
| sys.stdout.write(sys.stdin.read().replace("\n", " ").replace("; ", ";\n").replace(", )", ")")) | |
| sys.stdout.flush() | |
| ' | | |
| perl -pe 's/, \)/\)/g' > $DST | |
| echo TODO REMOVE LINES WITH KEY/UNIQUE KEY *and previous comma* |
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