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PT-126 Fix remove comments regex

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Carlos Salguero
2017-05-17 09:38:19 -03:00
parent aefc68c6bd
commit 43b50f8a8c
1 changed files with 7 additions and 3 deletions
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10
bin/pt-online-schema-change
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@@ -10053,9 +10053,13 @@ sub find_renamed_cols {
/x;
my $table_ident = qr/$unquoted_ident|`$quoted_ident`|"$ansi_quotes_ident"/;
my $alter_change_col_re = qr/\bCHANGE \s+ (?:COLUMN \s+)? (?:COMMENT\s+[^\]['].*?[^\]['])?
(?:COMMENT\s+[^\]["].*?[^\]["])?
($table_ident) \s+ ($table_ident)/ix;
# remove comments
$alter =~ s/^(.*?)\s+COMMENT\s+'(.*?[^\\]')+(.*)/$1$3/;
$alter =~ s/^(.*?)\s+COMMENT\s+"(.*?[^\\]")+(.*)/$1$3/;
my $alter_change_col_re = qr/\bCHANGE \s+ (?:COLUMN \s+)?
($table_ident) \s+ ($table_ident)/ix;
my %renames;
while ( $alter =~ /$alter_change_col_re/g ) {