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Bug#13618 : mysqldump --xml omits comment on table field

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When mysqldump tries to dump information in xml format,
the result does not contain field level comments.

In order to retrieve various informations for a field/column,
mysqldump currently uses 'show fields from <tab>' statement.
The attributes returned by the statement lacks the information
regarding field comments.

Fixed by changing the query to one that probes I_S to retrieve
required field informations, including the field comment.


client/mysqldump.c:
  Bug#13618 : mysqldump --xml omits comment on table field.
  
  Replaced the 'show fields' command by a statement that
  queries I_S, in order to retrieve information on all the
  attributes that 'show fields' returns along-with an additional
  column_comment information.
mysql-test/r/client_xml.result:
  Result modifications for bug#13618.
mysql-test/r/mysqldump.result:
  Result modifications for bug#13618.
mysql-test/t/mysqldump.test:
  Added a testcase for bug#13618.
This commit is contained in:
Nirbhay Choubey
2011-01-14 19:50:34 +05:30
parent faafae781a
commit ab2d29ec6b
4 changed files with 49 additions and 16 deletions
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6
mysql-test/r/client_xml.result
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@ -21,9 +21,9 @@ insert into t1 values (1, 2, 'a&b a<b a>b');
<mysqldump xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<database name="test">
<table_structure name="t1">
<field Field="a&amp;b" Type="int(11)" Null="YES" Key="" Extra="" />
<field Field="a&lt;b" Type="int(11)" Null="YES" Key="" Extra="" />
<field Field="a&gt;b" Type="text" Null="YES" Key="" Extra="" />
<field Field="a&amp;b" Type="int(11)" Null="YES" Key="" Extra="" Comment="" />
<field Field="a&lt;b" Type="int(11)" Null="YES" Key="" Extra="" Comment="" />
<field Field="a&gt;b" Type="text" Null="YES" Key="" Extra="" Comment="" />
</table_structure>
<table_data name="t1">
<row>