Created
September 28, 2011 20:35
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Migrate Oracle backup script to H2(mode=ORACLE) script
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def migrate_script ( input_file_name , output_file_name ) | |
input_file = File.open( input_file_name , 'r') | |
loc = 0 | |
File.open(output_file_name, 'w') do | output_file | | |
input_file.each do | line | | |
output_file.puts clean_line(line) | |
loc += 1 | |
end | |
end | |
puts "#{input_file_name} -> #{output_file_name} : #{loc} lines migrated" | |
end | |
def clean_line( line ) | |
clean_line = line.gsub "DROP SEQUENCE", "-- DROP SEQUENCE" | |
clean_line = clean_line.gsub "CREATE SEQUENCE", "-- CREATE SEQUENCE" | |
clean_line = clean_line.gsub "cascade constraints", "IF EXISTS cascade constraints" | |
clean_line = clean_line.gsub "REM", "-- REM" | |
clean_line = clean_line.gsub "ALTER TABLE", "-- ALTER TABLE" | |
clean_line = clean_line.gsub "REFERENCES", "-- REFERENCES" | |
return clean_dates(clean_line) | |
end | |
def clean_dates( line ) | |
clean_line = line.gsub "to_timestamp","PARSEDATETIME" | |
clean_line = clean_line.gsub "'DD-MON-RR HH.MI.SS.FF AM'","'dd-MM-yy HH.mm.ss.SS a'" | |
clean_line = clean_line.gsub "-JAN-","-01-" | |
clean_line = clean_line.gsub "-FEB-","-02-" | |
clean_line = clean_line.gsub "-MAR-","-03-" | |
clean_line = clean_line.gsub "-APR-","-04-" | |
clean_line = clean_line.gsub "-MAY-","-05-" | |
clean_line = clean_line.gsub "-JUN-","-06-" | |
clean_line = clean_line.gsub "-JUL-","-07-" | |
clean_line = clean_line.gsub "-AUG-","-08-" | |
clean_line = clean_line.gsub "-SEP-","-09-" | |
clean_line = clean_line.gsub "-OCT-","-10-" | |
clean_line = clean_line.gsub "-NOV-","-11-" | |
clean_line = clean_line.gsub "-DEC-","-12-" | |
return clean_line | |
end |
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This just helped me immensely! Thank you so much.