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Allow READ_RECORD to make use of RAII and free itself on destruction

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Vicențiu Ciorbaru
2017-02-10 12:39:10 +02:00
parent 5bf338435a
commit bdca350f59
1 changed files with 6 additions and 2 deletions
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8
sql/records.h
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@@ -27,6 +27,10 @@ class SQL_SELECT;
class Copy_field;
class SORT_INFO;
struct READ_RECORD;
void end_read_record(READ_RECORD *info);
/**
A context for reading through a single table using a chosen access method:
index read, scan, etc, use of cache, etc.
@@ -73,7 +77,8 @@ struct READ_RECORD
Copy_field *copy_field;
Copy_field *copy_field_end;
public:
READ_RECORD() {}
READ_RECORD() : table(NULL), cache(NULL) {}
~READ_RECORD() { end_read_record(this); }
};
bool init_read_record(READ_RECORD *info, THD *thd, TABLE *reg_form,
@@ -82,7 +87,6 @@ bool init_read_record(READ_RECORD *info, THD *thd, TABLE *reg_form,
bool print_errors, bool disable_rr_cache);
bool init_read_record_idx(READ_RECORD *info, THD *thd, TABLE *table,
bool print_error, uint idx, bool reverse);
void end_read_record(READ_RECORD *info);
void rr_unlock_row(st_join_table *tab);