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improved sql documentation

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This commit is contained in:
Marc Wäckerlin
2016-07-29 15:21:27 +00:00
parent 73f034c4ed
commit 7a6e01e05f
1 changed files with 11 additions and 5 deletions
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16
scripts/sql-to-dot.sed
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@@ -11,6 +11,11 @@ H;$!d;$x
# remove all single-line comment lines
s/\n--[^\n]*//g
# encode html entities
s/&/\&amp##SEMICOLON##/g
s/</\&lt##SEMICOLON##/g
s/>/\&gt##SEMICOLON##/g
# reduce spaces
s,\t\| \+, ,g
@@ -21,7 +26,7 @@ s,\t\| \+, ,g
s,\n\+,\n,g
# remove unknown commands
s,\(;\|\n\) *\(DELIMITER\|USE\|DROP\|CREATE[ \n]\+DATABASE\)[ \n]\+[^;]*;\+,,ig
s,\(;\|\n\) *\(INSERT\|DELIMITER\|USE\|DROP\|CREATE[ \n]\+DATABASE\)[ \n]\+[^;]*;\+,,ig
# convert special characters within quotes
:a;s/^\(\([^"]*"[^",]*"\)*[^"]*"[^"]*\),\([^"]*".*\)/\1\##COMMA##\3/g;ta
@@ -34,17 +39,18 @@ h
s,.*\(create[ \n]\+table[^;]*;\).*,\1,ig
# start html table node
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
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
# remove key definitions
s/[),][\n ]*\(PRIMARY[ \n]\+\)\?KEY[ \n]\+[^(]*([^)]*)//gi
s/[),][\n ]*\(\(UNIQUE\|PRIMARY\)[ \n]\+\)\?KEY[ \n]\+[^(]*([^)]*)//gi
# move foreign keys as relation to the end
: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
# create table rows
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
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
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><td></td></tr>|g
# extract comment
s|\(<td\( *\w*="\w*"\)* *>[^<]*\)COMMENT[ \n]\+["']\([^"']*\)["']\([^<]*</td>\)<td></td>|\1\4<td align="left">\3</td>|g
# add line breaks for long lines
s|\(<td[^>]*>[^<]\{30,40\}\)[ \n]\+\([^<]\{20,\}</td>\)|\1<br/>\2|g