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Merge ../doc-osc-limitation-bug-976109.

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Daniel Nichter
2012-05-07 10:54:20 -06:00
parent e1892d1c85 ce9152f9c1
commit 7e8fbaf188
1 changed files with 15 additions and 1 deletions
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bin/pt-online-schema-change
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@@ -6884,7 +6884,21 @@ The schema modification, without the ALTER TABLE keywords. You can perform
multiple modifications to the table by specifying them with commas. Please refer multiple modifications to the table by specifying them with commas. Please refer
to the MySQL manual for the syntax of ALTER TABLE. to the MySQL manual for the syntax of ALTER TABLE.
You cannot use the C<RENAME> clause to C<ALTER TABLE>, or the tool will fail. The following limitations apply which, if attempted, will cause the tool
to fail in unpredictable ways:
=over
=item *
The C<RENAME> clause cannot be used to rename the table.
=item *
Columns cannot be renamed by dropping and re-adding with the new name.
The tool will not copy the original column's data to the new column.
=back
=item --alter-foreign-keys-method =item --alter-foreign-keys-method