summaryrefslogtreecommitdiff
path: root/sql/item_func.h
diff options
context:
space:
mode:
authorunknown <istruewing@stella.local>2008-03-14 12:02:11 +0100
committerunknown <istruewing@stella.local>2008-03-14 12:02:11 +0100
commite79249f81bbb7158fb263455e531bda4117b5fc9 (patch)
treeb52789d6b0503cf1a56ee2fea977be99a7287207 /sql/item_func.h
parent28eb7e60d50795d110d4fe2d6477acdeb4c725d5 (diff)
parent269ebe54211cf96c4e64fa7268a1414588ca1de8 (diff)
downloadmariadb-git-e79249f81bbb7158fb263455e531bda4117b5fc9.tar.gz
Manual merge
configure.in: Auto merged mysql-test/r/func_misc.result: Auto merged mysql-test/r/myisam.result: Auto merged mysql-test/r/partition.result: Auto merged mysql-test/r/partition_symlink.result: Auto merged mysql-test/t/func_misc.test: Auto merged mysql-test/t/partition.test: Auto merged sql/field.cc: Auto merged sql/field.h: Auto merged sql/item.cc: Auto merged sql/item_func.cc: Auto merged sql/item_func.h: Auto merged sql/log.cc: Auto merged sql/mysql_priv.h: Auto merged sql/partition_info.cc: Auto merged sql/partition_info.h: Auto merged sql/rpl_rli.cc: Auto merged sql/sql_plugin.cc: Auto merged sql/sql_show.cc: Auto merged sql/sql_parse.cc: Manual merge. Needs later fix. New code in create table was not accepted. Needs to be added to mysql_create_table_no_lock().
Diffstat (limited to 'sql/item_func.h')
-rw-r--r--sql/item_func.h24
1 files changed, 10 insertions, 14 deletions
diff --git a/sql/item_func.h b/sql/item_func.h
index 4f86337e390..0c5de8698c6 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -54,7 +54,8 @@ public:
NOT_FUNC, NOT_ALL_FUNC,
NOW_FUNC, TRIG_COND_FUNC,
SUSERVAR_FUNC, GUSERVAR_FUNC, COLLATE_FUNC,
- EXTRACT_FUNC, CHAR_TYPECAST_FUNC, FUNC_SP, UDF_FUNC };
+ EXTRACT_FUNC, CHAR_TYPECAST_FUNC, FUNC_SP, UDF_FUNC,
+ NEG_FUNC };
enum optimize_type { OPTIMIZE_NONE,OPTIMIZE_KEY,OPTIMIZE_OP, OPTIMIZE_NULL,
OPTIMIZE_EQUAL };
enum Type type() const { return FUNC_ITEM; }
@@ -192,6 +193,13 @@ public:
void * arg, traverse_order order);
bool is_expensive_processor(uchar *arg);
virtual bool is_expensive() { return 0; }
+ inline double fix_result(double value)
+ {
+ if (isfinite(value))
+ return value;
+ null_value=1;
+ return 0.0;
+ }
};
@@ -479,7 +487,7 @@ public:
longlong int_op();
my_decimal *decimal_op(my_decimal *);
const char *func_name() const { return "-"; }
- virtual bool basic_const_item() const { return args[0]->basic_const_item(); }
+ enum Functype functype() const { return NEG_FUNC; }
void fix_length_and_dec();
void fix_num_length_and_dec();
uint decimal_precision() const { return args[0]->decimal_precision(); }
@@ -511,18 +519,6 @@ class Item_dec_func :public Item_real_func
decimals=NOT_FIXED_DEC; max_length=float_length(decimals);
maybe_null=1;
}
- inline double fix_result(double value)
- {
-#ifndef HAVE_FINITE
- return value;
-#else
- /* The following should be safe, even if we compare doubles */
- if (finite(value) && value != POSTFIX_ERROR)
- return value;
- null_value=1;
- return 0.0;
-#endif
- }
};
class Item_func_exp :public Item_dec_func