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Commit 74fcc760 authored by davi@moksha.local's avatar davi@moksha.local
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Merge bk-internal.mysql.com:/home/bk/mysql-5.0-runtime 

into  moksha.local:/Users/davi/mysql/push/mysql-5.0-runtime
parents 77d78a88 ec9b9a98
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mysql-test/r/parser_precedence.result
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mysql-test/t/parser_precedence.test
View file @ 74fcc760
......@@ -91,3 +91,243 @@ select count(*) from t1_30237_bool
drop table t1_30237_bool;
--echo Testing that NOT has precedence over OR
select (NOT FALSE) OR TRUE, NOT (FALSE OR TRUE), NOT FALSE OR TRUE;
--echo Testing that NOT has precedence over XOR
select (NOT FALSE) XOR FALSE, NOT (FALSE XOR FALSE), NOT FALSE XOR FALSE;
--echo Testing that NOT has precedence over AND
select (NOT FALSE) AND FALSE, NOT (FALSE AND FALSE), NOT FALSE AND FALSE;
--echo Testing that NOT is associative
select NOT NOT TRUE, NOT NOT NOT FALSE;
--echo Testing that IS has precedence over NOT
select (NOT NULL) IS TRUE, NOT (NULL IS TRUE), NOT NULL IS TRUE;
select (NOT NULL) IS NOT TRUE, NOT (NULL IS NOT TRUE), NOT NULL IS NOT TRUE;
select (NOT NULL) IS FALSE, NOT (NULL IS FALSE), NOT NULL IS FALSE;
select (NOT NULL) IS NOT FALSE, NOT (NULL IS NOT FALSE), NOT NULL IS NOT FALSE;
select (NOT TRUE) IS UNKNOWN, NOT (TRUE IS UNKNOWN), NOT TRUE IS UNKNOWN;
select (NOT TRUE) IS NOT UNKNOWN, NOT (TRUE IS NOT UNKNOWN), NOT TRUE IS NOT UNKNOWN;
select (NOT TRUE) IS NULL, NOT (TRUE IS NULL), NOT TRUE IS NULL;
select (NOT TRUE) IS NOT NULL, NOT (TRUE IS NOT NULL), NOT TRUE IS NOT NULL;
--echo Testing that IS [NOT] TRUE/FALSE/UNKNOWN predicates are not associative
# Documenting existing behavior in 5.0.48
-- error ER_PARSE_ERROR
select TRUE IS TRUE IS TRUE IS TRUE;
-- error ER_PARSE_ERROR
select FALSE IS NOT TRUE IS NOT TRUE IS NOT TRUE;
-- error ER_PARSE_ERROR
select NULL IS FALSE IS FALSE IS FALSE;
-- error ER_PARSE_ERROR
select TRUE IS NOT FALSE IS NOT FALSE IS NOT FALSE;
-- error ER_PARSE_ERROR
select FALSE IS UNKNOWN IS UNKNOWN IS UNKNOWN;
-- error ER_PARSE_ERROR
select TRUE IS NOT UNKNOWN IS NOT UNKNOWN IS NOT UNKNOWN;
--echo Testing that IS [NOT] NULL predicates are associative
# Documenting existing behavior in 5.0.48
select FALSE IS NULL IS NULL IS NULL;
select TRUE IS NOT NULL IS NOT NULL IS NOT NULL;
--echo Testing that comparison operators are left associative
select 1 <=> 2 <=> 2, (1 <=> 2) <=> 2, 1 <=> (2 <=> 2);
select 1 = 2 = 2, (1 = 2) = 2, 1 = (2 = 2);
select 1 != 2 != 3, (1 != 2) != 3, 1 != (2 != 3);
select 1 <> 2 <> 3, (1 <> 2) <> 3, 1 <> (2 <> 3);
select 1 < 2 < 3, (1 < 2) < 3, 1 < (2 < 3);
select 3 <= 2 <= 1, (3 <= 2) <= 1, 3 <= (2 <= 1);
select 1 > 2 > 3, (1 > 2) > 3, 1 > (2 > 3);
select 1 >= 2 >= 3, (1 >= 2) >= 3, 1 >= (2 >= 3);
-- echo Testing that | is associative
select 0xF0 | 0x0F | 0x55, (0xF0 | 0x0F) | 0x55, 0xF0 | (0x0F | 0x55);
-- echo Testing that & is associative
select 0xF5 & 0x5F & 0x55, (0xF5 & 0x5F) & 0x55, 0xF5 & (0x5F & 0x55);
-- echo Testing that << is left associative
select 4 << 3 << 2, (4 << 3) << 2, 4 << (3 << 2);
-- echo Testing that >> is left associative
select 256 >> 3 >> 2, (256 >> 3) >> 2, 256 >> (3 >> 2);
--echo Testing that & has precedence over |
select 0xF0 & 0x0F | 0x55, (0xF0 & 0x0F) | 0x55, 0xF0 & (0x0F | 0x55);
select 0x55 | 0xF0 & 0x0F, (0x55 | 0xF0) & 0x0F, 0x55 | (0xF0 & 0x0F);
--echo Testing that << has precedence over |
select 0x0F << 4 | 0x0F, (0x0F << 4) | 0x0F, 0x0F << (4 | 0x0F);
select 0x0F | 0x0F << 4, (0x0F | 0x0F) << 4, 0x0F | (0x0F << 4);
--echo Testing that >> has precedence over |
select 0xF0 >> 4 | 0xFF, (0xF0 >> 4) | 0xFF, 0xF0 >> (4 | 0xFF);
select 0xFF | 0xF0 >> 4, (0xFF | 0xF0) >> 4, 0xFF | (0xF0 >> 4);
--echo Testing that << has precedence over &
select 0x0F << 4 & 0xF0, (0x0F << 4) & 0xF0, 0x0F << (4 & 0xF0);
select 0xF0 & 0x0F << 4, (0xF0 & 0x0F) << 4, 0xF0 & (0x0F << 4);
--echo Testing that >> has precedence over &
select 0xF0 >> 4 & 0x55, (0xF0 >> 4) & 0x55, 0xF0 >> (4 & 0x55);
select 0x0F & 0xF0 >> 4, (0x0F & 0xF0) >> 4, 0x0F & (0xF0 >> 4);
--echo Testing that >> and << have the same precedence
select 0xFF >> 4 << 2, (0xFF >> 4) << 2, 0xFF >> (4 << 2);
select 0x0F << 4 >> 2, (0x0F << 4) >> 2, 0x0F << (4 >> 2);
--echo Testing that binary + is associative
select 1 + 2 + 3, (1 + 2) + 3, 1 + (2 + 3);
--echo Testing that binary - is left associative
select 1 - 2 - 3, (1 - 2) - 3, 1 - (2 - 3);
--echo Testing that binary + and binary - have the same precedence
# evaluated left to right
select 1 + 2 - 3, (1 + 2) - 3, 1 + (2 - 3);
select 1 - 2 + 3, (1 - 2) + 3, 1 - (2 + 3);
--echo Testing that binary + has precedence over |
select 0xF0 + 0x0F | 0x55, (0xF0 + 0x0F) | 0x55, 0xF0 + (0x0F | 0x55);
select 0x55 | 0xF0 + 0x0F, (0x55 | 0xF0) + 0x0F, 0x55 | (0xF0 + 0x0F);
--echo Testing that binary + has precedence over &
select 0xF0 + 0x0F & 0x55, (0xF0 + 0x0F) & 0x55, 0xF0 + (0x0F & 0x55);
select 0x55 & 0xF0 + 0x0F, (0x55 & 0xF0) + 0x0F, 0x55 & (0xF0 + 0x0F);
--echo Testing that binary + has precedence over <<
select 2 + 3 << 4, (2 + 3) << 4, 2 + (3 << 4);
select 3 << 4 + 2, (3 << 4) + 2, 3 << (4 + 2);
--echo Testing that binary + has precedence over >>
select 4 + 3 >> 2, (4 + 3) >> 2, 4 + (3 >> 2);
select 3 >> 2 + 1, (3 >> 2) + 1, 3 >> (2 + 1);
--echo Testing that binary - has precedence over |
select 0xFF - 0x0F | 0x55, (0xFF - 0x0F) | 0x55, 0xFF - (0x0F | 0x55);
select 0x55 | 0xFF - 0xF0, (0x55 | 0xFF) - 0xF0, 0x55 | (0xFF - 0xF0);
--echo Testing that binary - has precedence over &
select 0xFF - 0xF0 & 0x55, (0xFF - 0xF0) & 0x55, 0xFF - (0xF0 & 0x55);
select 0x55 & 0xFF - 0xF0, (0x55 & 0xFF) - 0xF0, 0x55 & (0xFF - 0xF0);
--echo Testing that binary - has precedence over <<
select 16 - 3 << 2, (16 - 3) << 2, 16 - (3 << 2);
select 4 << 3 - 2, (4 << 3) - 2, 4 << (3 - 2);
--echo Testing that binary - has precedence over >>
select 16 - 3 >> 2, (16 - 3) >> 2, 16 - (3 >> 2);
select 16 >> 3 - 2, (16 >> 3) - 2, 16 >> (3 - 2);
--echo Testing that * is associative
select 2 * 3 * 4, (2 * 3) * 4, 2 * (3 * 4);
--echo Testing that * has precedence over |
select 2 * 0x40 | 0x0F, (2 * 0x40) | 0x0F, 2 * (0x40 | 0x0F);
select 0x0F | 2 * 0x40, (0x0F | 2) * 0x40, 0x0F | (2 * 0x40);
--echo Testing that * has precedence over &
select 2 * 0x40 & 0x55, (2 * 0x40) & 0x55, 2 * (0x40 & 0x55);
select 0xF0 & 2 * 0x40, (0xF0 & 2) * 0x40, 0xF0 & (2 * 0x40);
--echo Testing that * has precedence over <<
# Actually, can't prove it for the first case,
# since << is a multiplication by a power of 2,
# and * is associative
select 5 * 3 << 4, (5 * 3) << 4, 5 * (3 << 4);
select 2 << 3 * 4, (2 << 3) * 4, 2 << (3 * 4);
--echo Testing that * has precedence over >>
# >> is a multiplication by a (negative) power of 2,
# see above.
select 3 * 4 >> 2, (3 * 4) >> 2, 3 * (4 >> 2);
select 4 >> 2 * 3, (4 >> 2) * 3, 4 >> (2 * 3);
--echo Testing that * has precedence over binary +
select 2 * 3 + 4, (2 * 3) + 4, 2 * (3 + 4);
select 2 + 3 * 4, (2 + 3) * 4, 2 + (3 * 4);
--echo Testing that * has precedence over binary -
select 4 * 3 - 2, (4 * 3) - 2, 4 * (3 - 2);
select 4 - 3 * 2, (4 - 3) * 2, 4 - (3 * 2);
--echo Testing that / is left associative
select 15 / 5 / 3, (15 / 5) / 3, 15 / (5 / 3);
--echo Testing that / has precedence over |
select 105 / 5 | 2, (105 / 5) | 2, 105 / (5 | 2);
select 105 | 2 / 5, (105 | 2) / 5, 105 | (2 / 5);
--echo Testing that / has precedence over &
select 105 / 5 & 0x0F, (105 / 5) & 0x0F, 105 / (5 & 0x0F);
select 0x0F & 105 / 5, (0x0F & 105) / 5, 0x0F & (105 / 5);
--echo Testing that / has precedence over <<
select 0x80 / 4 << 2, (0x80 / 4) << 2, 0x80 / (4 << 2);
select 0x80 << 4 / 2, (0x80 << 4) / 2, 0x80 << (4 / 2);
--echo Testing that / has precedence over >>
select 0x80 / 4 >> 2, (0x80 / 4) >> 2, 0x80 / (4 >> 2);
select 0x80 >> 4 / 2, (0x80 >> 4) / 2, 0x80 >> (4 / 2);
--echo Testing that / has precedence over binary +
select 0x80 / 2 + 2, (0x80 / 2) + 2, 0x80 / (2 + 2);
select 0x80 + 2 / 2, (0x80 + 2) / 2, 0x80 + (2 / 2);
--echo Testing that / has precedence over binary -
select 0x80 / 4 - 2, (0x80 / 4) - 2, 0x80 / (4 - 2);
select 0x80 - 4 / 2, (0x80 - 4) / 2, 0x80 - (4 / 2);
# TODO: %, DIV, MOD
--echo Testing that ^ is associative
select 0xFF ^ 0xF0 ^ 0x0F, (0xFF ^ 0xF0) ^ 0x0F, 0xFF ^ (0xF0 ^ 0x0F);
select 0xFF ^ 0xF0 ^ 0x55, (0xFF ^ 0xF0) ^ 0x55, 0xFF ^ (0xF0 ^ 0x55);
--echo Testing that ^ has precedence over |
select 0xFF ^ 0xF0 | 0x0F, (0xFF ^ 0xF0) | 0x0F, 0xFF ^ (0xF0 | 0x0F);
select 0xF0 | 0xFF ^ 0xF0, (0xF0 | 0xFF) ^ 0xF0, 0xF0 | (0xFF ^ 0xF0);
--echo Testing that ^ has precedence over &
select 0xFF ^ 0xF0 & 0x0F, (0xFF ^ 0xF0) & 0x0F, 0xFF ^ (0xF0 & 0x0F);
select 0x0F & 0xFF ^ 0xF0, (0x0F & 0xFF) ^ 0xF0, 0x0F & (0xFF ^ 0xF0);
--echo Testing that ^ has precedence over <<
select 0xFF ^ 0xF0 << 2, (0xFF ^ 0xF0) << 2, 0xFF ^ (0xF0 << 2);
select 0x0F << 2 ^ 0xFF, (0x0F << 2) ^ 0xFF, 0x0F << (2 ^ 0xFF);
--echo Testing that ^ has precedence over >>
select 0xFF ^ 0xF0 >> 2, (0xFF ^ 0xF0) >> 2, 0xFF ^ (0xF0 >> 2);
select 0xFF >> 2 ^ 0xF0, (0xFF >> 2) ^ 0xF0, 0xFF >> (2 ^ 0xF0);
--echo Testing that ^ has precedence over binary +
select 0xFF ^ 0xF0 + 0x0F, (0xFF ^ 0xF0) + 0x0F, 0xFF ^ (0xF0 + 0x0F);
select 0x0F + 0xFF ^ 0xF0, (0x0F + 0xFF) ^ 0xF0, 0x0F + (0xFF ^ 0xF0);
--echo Testing that ^ has precedence over binary -
select 0xFF ^ 0xF0 - 1, (0xFF ^ 0xF0) - 1, 0xFF ^ (0xF0 - 1);
select 0x55 - 0x0F ^ 0x55, (0x55 - 0x0F) ^ 0x55, 0x55 - (0x0F ^ 0x55);
--echo Testing that ^ has precedence over *
select 0xFF ^ 0xF0 * 2, (0xFF ^ 0xF0) * 2, 0xFF ^ (0xF0 * 2);
select 2 * 0xFF ^ 0xF0, (2 * 0xFF) ^ 0xF0, 2 * (0xFF ^ 0xF0);
--echo Testing that ^ has precedence over /
select 0xFF ^ 0xF0 / 2, (0xFF ^ 0xF0) / 2, 0xFF ^ (0xF0 / 2);
select 0xF2 / 2 ^ 0xF0, (0xF2 / 2) ^ 0xF0, 0xF2 / (2 ^ 0xF0);
--echo Testing that ^ has precedence over %
select 0xFF ^ 0xF0 % 0x20, (0xFF ^ 0xF0) % 0x20, 0xFF ^ (0xF0 % 0x20);
select 0xFF % 0x20 ^ 0xF0, (0xFF % 0x20) ^ 0xF0, 0xFF % (0x20 ^ 0xF0);
--echo Testing that ^ has precedence over DIV
select 0xFF ^ 0xF0 DIV 2, (0xFF ^ 0xF0) DIV 2, 0xFF ^ (0xF0 DIV 2);
select 0xF2 DIV 2 ^ 0xF0, (0xF2 DIV 2) ^ 0xF0, 0xF2 DIV (2 ^ 0xF0);
--echo Testing that ^ has precedence over MOD
select 0xFF ^ 0xF0 MOD 0x20, (0xFF ^ 0xF0) MOD 0x20, 0xFF ^ (0xF0 MOD 0x20);
select 0xFF MOD 0x20 ^ 0xF0, (0xFF MOD 0x20) ^ 0xF0, 0xFF MOD (0x20 ^ 0xF0);
sql/sql_yacc.yy
View file @ 74fcc760
......@@ -1068,9 +1068,9 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%type <item>
literal text_literal insert_ident order_ident
simple_ident select_item2 expr opt_expr opt_else sum_expr in_sum_expr
variable variable_aux bool_factor
bool_test bool_pri
predicate bit_expr bit_term bit_factor value_expr term factor
variable variable_aux
bool_pri
predicate bit_expr
table_wild simple_expr udf_expr
expr_or_default set_expr_or_default interval_expr
param_marker geometry_function
......@@ -4468,8 +4468,7 @@ optional_braces:
/* all possible expressions */
expr:
bool_factor
| expr or expr %prec OR_SYM
expr or expr %prec OR_SYM
{
/*
Design notes:
......@@ -4564,30 +4563,30 @@ expr:
$$ = new (YYTHD->mem_root) Item_cond_and($1, $3);
}
}
;
bool_factor:
NOT_SYM bool_factor { $$= negate_expression(YYTHD, $2); }
| bool_test ;
bool_test:
bool_pri IS TRUE_SYM
| NOT_SYM expr %prec NOT_SYM
{ $$= negate_expression(YYTHD, $2); }
| bool_pri IS TRUE_SYM %prec IS
{ $$= new (YYTHD->mem_root) Item_func_istrue($1); }
| bool_pri IS not TRUE_SYM
| bool_pri IS not TRUE_SYM %prec IS
{ $$= new (YYTHD->mem_root) Item_func_isnottrue($1); }
| bool_pri IS FALSE_SYM
| bool_pri IS FALSE_SYM %prec IS
{ $$= new (YYTHD->mem_root) Item_func_isfalse($1); }
| bool_pri IS not FALSE_SYM
| bool_pri IS not FALSE_SYM %prec IS
{ $$= new (YYTHD->mem_root) Item_func_isnotfalse($1); }
| bool_pri IS UNKNOWN_SYM { $$= new Item_func_isnull($1); }
| bool_pri IS not UNKNOWN_SYM { $$= new Item_func_isnotnull($1); }
| bool_pri IS UNKNOWN_SYM %prec IS
{ $$= new Item_func_isnull($1); }
| bool_pri IS not UNKNOWN_SYM %prec IS
{ $$= new Item_func_isnotnull($1); }
| bool_pri
;
bool_pri:
bool_pri IS NULL_SYM { $$= new Item_func_isnull($1); }
| bool_pri IS not NULL_SYM { $$= new Item_func_isnotnull($1); }
| bool_pri EQUAL_SYM predicate { $$= new Item_func_equal($1,$3); }
bool_pri IS NULL_SYM %prec IS
{ $$= new Item_func_isnull($1); }
| bool_pri IS not NULL_SYM %prec IS
{ $$= new Item_func_isnotnull($1); }
| bool_pri EQUAL_SYM predicate %prec EQUAL_SYM
{ $$= new Item_func_equal($1,$3); }
| bool_pri comp_op predicate %prec EQ
{ $$= (*$2)(0)->create($1,$3); }
| bool_pri comp_op all_or_any '(' subselect ')' %prec EQ
......@@ -4648,40 +4647,36 @@ predicate:
| bit_expr ;
bit_expr:
bit_expr '|' bit_term { $$= new Item_func_bit_or($1,$3); }
| bit_term ;
bit_term:
bit_term '&' bit_factor { $$= new Item_func_bit_and($1,$3); }
| bit_factor ;
bit_factor:
bit_factor SHIFT_LEFT value_expr
bit_expr '|' bit_expr %prec '|'
{ $$= new Item_func_bit_or($1,$3); }
| bit_expr '&' bit_expr %prec '&'
{ $$= new Item_func_bit_and($1,$3); }
| bit_expr SHIFT_LEFT bit_expr %prec SHIFT_LEFT
{ $$= new Item_func_shift_left($1,$3); }
| bit_factor SHIFT_RIGHT value_expr
| bit_expr SHIFT_RIGHT bit_expr %prec SHIFT_RIGHT
{ $$= new Item_func_shift_right($1,$3); }
| value_expr ;
value_expr:
value_expr '+' term { $$= new Item_func_plus($1,$3); }
| value_expr '-' term { $$= new Item_func_minus($1,$3); }
| value_expr '+' interval_expr interval
| bit_expr '+' bit_expr %prec '+'
{ $$= new Item_func_plus($1,$3); }
| bit_expr '-' bit_expr %prec '-'
{ $$= new Item_func_minus($1,$3); }
| bit_expr '+' interval_expr interval %prec '+'
{ $$= new Item_date_add_interval($1,$3,$4,0); }
| value_expr '-' interval_expr interval
| bit_expr '-' interval_expr interval %prec '-'
{ $$= new Item_date_add_interval($1,$3,$4,1); }
| term ;
term:
term '*' factor { $$= new Item_func_mul($1,$3); }
| term '/' factor { $$= new Item_func_div($1,$3); }
| term '%' factor { $$= new Item_func_mod($1,$3); }
| term DIV_SYM factor { $$= new Item_func_int_div($1,$3); }
| term MOD_SYM factor { $$= new Item_func_mod($1,$3); }
| factor ;
factor:
factor '^' simple_expr { $$= new Item_func_bit_xor($1,$3); }
| simple_expr ;
| bit_expr '*' bit_expr %prec '*'
{ $$= new Item_func_mul($1,$3); }
| bit_expr '/' bit_expr %prec '/'
{ $$= new Item_func_div($1,$3); }
| bit_expr '%' bit_expr %prec '%'
{ $$= new Item_func_mod($1,$3); }
| bit_expr DIV_SYM bit_expr %prec DIV_SYM
{ $$= new Item_func_int_div($1,$3); }
| bit_expr MOD_SYM bit_expr %prec MOD_SYM
{ $$= new Item_func_mod($1,$3); }
| bit_expr '^' bit_expr
{ $$= new Item_func_bit_xor($1,$3); }
| simple_expr
;
or: OR_SYM | OR2_SYM;
and: AND_SYM | AND_AND_SYM;
......
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