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August 18, 2022 18:45
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Naive SQL formatter for scripts with really long subqueries
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| def next_char(file) | |
| begin | |
| file.readchar | |
| rescue EOFError | |
| nil | |
| end | |
| end | |
| if ARGV.empty? | |
| puts "No SQL file was given" | |
| exit(1) | |
| end | |
| input_filename = ARGV[0] | |
| output_filename = input_filename.split('.')[0] + '.fmt.sql' | |
| input = open(input_filename, 'r') | |
| output = open(output_filename, 'a') | |
| in_quotes = false | |
| buffer = [] | |
| loop do | |
| char = next_char input | |
| break if char.nil? | |
| if char == '(' | |
| buffer.push "\n\t" | |
| while !char.nil? && !(char == ')' && !in_quotes) | |
| buffer.push char | |
| in_quotes = !in_quotes if ['"', "'"].include? char | |
| char = next_char input | |
| end | |
| buffer.push char | |
| char = next_char input | |
| if char == ',' | |
| # para '(),(),()' virar '(),\n(),\n()' no lugar de '()\n,()\n,()' | |
| buffer.push char | |
| output << buffer.join | |
| buffer.clear | |
| else | |
| output << buffer.join | |
| buffer.clear | |
| buffer.push "\n" | |
| buffer.push char | |
| end | |
| else | |
| buffer.push char | |
| end | |
| end | |
| output << buffer.join | |
| input.close | |
| output.close |
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