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Bug#49907: ALTER TABLE ... TRUNCATE PARTITION does not wait for

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locks on the table

Fixing the partitioning specifics after TRUNCATE TABLE in
bug-42643 was fixed.

Reorganize of code to decrease the size of the giant switch
in mysql_execute_command, and to prepare for future parser
reengineering. Moved code into Sql_statement objects.

Updated patch according to davi's review comments.
This commit is contained in:
Mattias Jonsson
2010-08-16 14:53:30 +02:00
parent 87f655d52d
commit 25ae81f133
32 changed files with 2116 additions and 1193 deletions
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26
sql/sql_truncate.h
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@ -20,4 +20,30 @@ struct TABLE_LIST;
bool mysql_truncate_table(THD *thd, TABLE_LIST *table_ref);
/**
Truncate_statement represents the TRUNCATE statement.
*/
class Truncate_statement : public Sql_statement
{
public:
/**
Constructor, used to represent a ALTER TABLE statement.
@param lex the LEX structure for this statement.
*/
Truncate_statement(LEX *lex)
: Sql_statement(lex)
{}
~Truncate_statement()
{}
/**
Execute a TRUNCATE statement at runtime.
@param thd the current thread.
@return false on success.
*/
bool execute(THD *thd);
};
#endif