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@ -1,39 +1,79 @@ |
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#! /bin/sed -f |
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#! /bin/sed -nf |
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1i\ |
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/** @page database Database Schema\ |
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\ |
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@dot\ |
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digraph schema { |
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# remove newlines |
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:a;N;$!ba;s/\n/ /g |
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# get everithing on one single line |
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H;$!d;$x |
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# remove all single-line comment lines |
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s/\n--[^\n]*//g |
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# reduce spaces |
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s, \+, ,g |
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s,\t\| \+, ,g |
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# remove multiline comments |
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:f;s,\(.*\)/\*.*\*/[ \n]*;*,\1,g;tf |
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# remove empty lines |
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s,\n\+,\n,g |
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# remove unknown commands |
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s,\(;\|\n\) *\(DELIMITER\|USE\|DROP\|CREATE[ \n]\+DATABASE\)[ \n]\+[^;]*;\+,,ig |
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# convert special characters within quotes |
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:a;s/^\(\([^"]*"[^",]*"\)*[^"]*"[^"]*\),\([^"]*".*\)/\1\##COMMA##\3/g;ta |
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:c;s/^\(\([^']*'[^',]*'\)*[^']*'[^']*\),\([^']*'.*\)/\1\##COMMA##\3/g;tc |
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# backup everything to the buffer |
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# then analyze only on one create table |
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:i |
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h |
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s,.*\(create[ \n]\+table[^;]*;\).*,\1,ig |
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# start html table node |
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s|CREATE[ \n]\+TABLE[ \n]\+\(if[ \n]\+not[ \n]\+exists[ \n]\+\)\?`\?\(\w\+\)`\?| \2\n [shape=none, margin=0, label=<\n <table bgcolor="#dddddd">\n <tr><td bgcolor="#ddddff" colspan="4"><b>\2</b></td></tr>|ig |
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s| *CREATE *TABLE *\(if *not *exists\)\? *`\?\([a-z]\+\)`\? *|\n \2\n [shape=none, margin=0, label=<\n <table bgcolor="#dddddd">\n <tr><td bgcolor="#ddddff" colspan="4"><b>\2</b></td></tr>\n|ig |
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# remove key definitions |
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s/[),][\n ]*\(PRIMARY[ \n]\+\)\?KEY[ \n]\+[^(]*([^)]*)//gi |
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s/varchar *( *\([0-9]\+\) *)/varchar[\1]/ig |
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# move foreign keys as relation to the end |
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:b;s/\(\w\+\)\([^;]*\)FOREIGN[\n ]\+KEY[ \n]*([ \n]*`\?\([a-z]\+\)`\?[ \n]*)[ \n]*REFERENCES[ \n]*`\?\([a-z]\+\)`\?[ \n]*([ \n]*`\?\([a-z]\+\)`\?[ \n]*)[ \n]*\([^,)]*\)\([,)].*\)/\1\2\7\n \1:\3 -> \4:\5 [label="\6"]##SEMICOLON##/ig;tb |
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s/ *PRIMARY KEY *( *`\?\([a-z]\+\)`\? *) *[,)]//ig |
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# create table rows |
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s|[(,][ \n]*`\?\(\w\+\)`\?[ \n]\+\(\w\+\(([^)]\+)\)\?\)[ \n]*\([^,)]*\)[ \n]\+COMMENT[ \n]*["']\([^"']*\)["'][ \n]*|\n <tr><td align="left" port="\1"><b>\1</b></td><td align="left">\2</td><td align="left">\4</td><td align="left">\5</td></tr>|gi |
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s|[(,][ \n]*`\?\(\w\+\)`\?[ \n]\+\(\w\+\(([^)]\+)\)\?\)[ \n]*\([^,)]*\)|\n <tr><td align="left" port="\1"><b>\1</b></td><td align="left">\2</td><td align="left">\4</td></tr>|g |
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:b;s/\([a-z]\+\)\([^;]*\)FOREIGN KEY *( *`\?\([a-z]\+\)`\? *) *REFERENCES *`\?\([a-z]\+\)`\? *( *`\?\([a-z]\+\)`\? *) *\([^,)]*\)[,)]\(.*\)/\1\2\7\n \1:\3 -> \4:\5/ig;tb |
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# add line breaks for long lines |
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s|\(<td[^>]*>[^<]\{30,40\}\)[ \n]\+\([^<]\{20,\}</td>\)|\1<br/>\2|g |
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#:d;s|\(<br/>[^<]\{30,40\}\)[ \n]\+\([^<]\{20,\}</td>\)|\1<br/>\2|g;td |
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:c;s|\n[(,] *`\?\([a-z]\+\)`\? *\([^ ]\+\)*\([^,)]*\) *COMMENT *[`"']\([^`"']*\)[`"'] *[,)]|\n <tr><td align="left" port="\1"><b>\1</b></td><td align="left">\2</td><td align="left">\3</td><td align="left">\4</td></tr>\n,|ig;tc |
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# add table comment below |
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:k;tk |
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s|[ \n]*)[^)]*COMMENT[ \n]*=[ \n]*["']\?\([^"']*\)["']\?[^;]*|\n <tr><td bgcolor="#ddddff" colspan="4">\1</td></tr>|ig;th |
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s|)[^);]*;|\n;|ig |
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:h |
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s| \+</td>|</td>|g |
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s|<td> \+|<td>|g |
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s|\(<td[^>]*>[^<]\{30,40\}\) \+\([^<]\{20,\}</td>\)|\1<br/>\2|g |
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:d;s|\(<br/>[^<]\{30,40\}\) \+\([^<]\{20,\}</td>\)|\1<br/>\2|g;td |
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# cleanup comment below, add line breaksfor long lines |
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s|\(<td[^>]*>[^<]\{60,80\}\)[ \n]\+\([^<]\{30,\}</td>\)|\1<br/>\2|g |
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#:e;s|\(<br/>[^<]\{60,80\}\)[ \n]\+\([^<]\{30,\}</td>\)|\1<br/>\2|g;te |
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s| *COMMENT *= *["']\?\([^"']*\)["']\?|\n <tr><td bgcolor="#ddddff" colspan="4">\1</td></tr>|ig |
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# close table |
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s|;|\n </table>\n >];|ig |
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s| \+</td>|</td>|g |
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s|<td> \+|<td>|g |
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s|\(<td[^>]*>[^<]\{60,80\}\) \+\([^<]\{30,\}</td>\)|\1<br/>\2|g |
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:e;s|\(<br/>[^<]\{60,80\}\) \+\([^<]\{30,\}</td>\)|\1<br/>\2|g;te |
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# convert ##COMMA## to , |
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s|##COMMA##|,|g |
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# convert ##SEMICOLON## to ; |
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s,##SEMICOLON##,;,g |
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s/\n,[^\n]*/\n/g |
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s|;|\n </table>\n >];\n|ig |
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# print one table |
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p |
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# get buffer back and remove the table that has just been analyzed |
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x |
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s,\(.*\)create[ \n]\+table[^;]*;\(.*\),\1\2,ig |
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ti |
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$a\ |
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}\ |
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Marc Wäckerlin
9 years ago