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MXS-1247 Add initial support for window functions

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This commit will be followed by more tests.
This commit is contained in:
Johan Wikman
2017-08-16 12:33:47 +03:00
parent 27ef5c3048
commit 523e7ed445
6 changed files with 2007 additions and 6 deletions
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16
query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc
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@ -80,6 +80,7 @@
#if MYSQL_VERSION_MAJOR >= 10 && MYSQL_VERSION_MINOR >= 2
#define CTE_SUPPORTED
#define WF_SUPPORTED
#endif
#if defined(CTE_SUPPORTED)
@ -2542,6 +2543,16 @@ static bool should_function_be_ignored(parsing_info_t* pi, const char* func_name
}
#endif
#ifdef WF_SUPPORTED
if (!rv)
{
if (strcasecmp(func_name, "WF") == 0)
{
rv = true;
}
}
#endif
return rv;
}
@ -2607,8 +2618,11 @@ static void update_field_infos(parsing_info_t* pi,
case Item::FUNC_ITEM:
case Item::SUM_FUNC_ITEM:
#ifdef WF_SUPPORTED
case Item::WINDOW_FUNC_ITEM:
#endif
{
Item_func* func_item = static_cast<Item_func*>(item);
Item_func_or_sum* func_item = static_cast<Item_func_or_sum*>(item);
Item** items = func_item->arguments();
size_t n_items = func_item->argument_count();