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nexedi
MariaDB
Commits
a607e4e7
Commit
a607e4e7
authored
Oct 28, 2017
by
Varun Gupta
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Added the syntax for percentile functions and median function to the sql_yacc_ora.yy file
parent
ab5503c8
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sql/sql_yacc_ora.yy
sql/sql_yacc_ora.yy
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sql/sql_yacc_ora.yy
View file @
a607e4e7
...
...
@@ -645,6 +645,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token MAX_STATEMENT_TIME_SYM
%token MAX_USER_CONNECTIONS_SYM
%token MAXVALUE_SYM /* SQL-2003-N */
%token MEDIAN_SYM
%token MEDIUMBLOB
%token MEDIUMINT
%token MEDIUMTEXT
...
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@@ -1151,6 +1152,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
window_func
simple_window_func
inverse_distribution_function
percentile_function
inverse_distribution_function_def
explicit_cursor_attr
function_call_keyword
...
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@@ -10723,13 +10725,9 @@ simple_window_func:
MYSQL_YYABORT;
}
;
inverse_distribution_function:
inverse_distribution_function_def WITHIN GROUP_SYM
'('
{ Select->prepare_add_window_spec(thd); }
order_by_single_element_list ')' OVER_SYM
'(' opt_window_ref opt_window_partition_clause ')'
percentile_function OVER_SYM
'(' opt_window_partition_clause ')'
{
LEX *lex= Lex;
if (Select->add_window_spec(thd, lex->win_ref,
...
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@@ -10746,6 +10744,29 @@ inverse_distribution_function:
}
;
percentile_function:
inverse_distribution_function_def WITHIN GROUP_SYM '('
{ Select->prepare_add_window_spec(thd); }
order_by_single_element_list ')'
{
$$= $1;
}
| MEDIAN_SYM '(' expr ')'
{
Item *args= new (thd->mem_root) Item_decimal(thd, "0.5", 3,
thd->charset());
if (($$ == NULL) || (thd->is_error()))
{
MYSQL_YYABORT;
}
if (add_order_to_list(thd, $3,FALSE)) MYSQL_YYABORT;
$$= new (thd->mem_root) Item_sum_percentile_cont(thd, args);
if ($$ == NULL)
MYSQL_YYABORT;
}
;
inverse_distribution_function_def:
PERCENTILE_CONT_SYM '(' expr ')'
{
...
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@@ -10762,7 +10783,8 @@ inverse_distribution_function_def:
;
order_by_single_element_list:
ORDER_SYM BY order_list
ORDER_SYM BY order_ident order_dir
{ if (add_order_to_list(thd, $3,(bool) $4)) MYSQL_YYABORT; }
;
window_name:
...
...
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