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  • Committer: Olaf van der Spek
  • Date: 2011-03-28 23:48:44 UTC
  • mto: (2257.1.1 build) (2276.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 2258.
  • Revision ID: olafvdspek@gmail.com-20110328234844-ufirvtasojvjsxoc
Common fwd

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drizzled/item/sum.h
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#include <drizzled/item/bin_string.h>
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#include <drizzled/charset_info.h>
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namespace drizzled {
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int group_concat_key_cmp_with_distinct(void* arg, const void* key1, const void* key2);
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int group_concat_key_cmp_with_order(void* arg, const void* key1, const void* key2);
 
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namespace drizzled
 
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{
 
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int group_concat_key_cmp_with_distinct(void* arg, const void* key1,
 
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                                       const void* key2);
 
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int group_concat_key_cmp_with_order(void* arg, const void* key1,
 
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                                    const void* key2);
 
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class Select_Lex;
 
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struct Order;
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/*
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  Class Item_sum is the base class used for special expressions that SQL calls
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/* Common class for SUM(DISTINCT), AVG(DISTINCT) */
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class Unique;
 
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class Item_sum_distinct :public Item_sum_num
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{
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protected:
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};
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class Tmp_Table_Param;
 
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class Item_sum_count_distinct :public Item_sum_int
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{
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  Table *table;
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/* Item to get the value of a stored sum function */
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class Item_sum_avg;
 
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class Item_avg_field :public Item_result_field
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{
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public:
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  }
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};
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class Item_sum_variance;
 
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class Item_variance_field :public Item_result_field
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{
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public:
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  }
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};
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class Item_sum_std;
 
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class Item_std_field :public Item_variance_field
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{
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public:
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  Item *copy_or_same(Session* session);
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};
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class DRIZZLE_ERROR;
 
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class Item_func_group_concat : public Item_sum
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{
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  Tmp_Table_Param *tmp_table_param;