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new syntax:

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CREATE TABLE ...(SELECT ...) UNION ...
  INSERT ...      (SELECT ...) UNION ...
This commit is contained in:
serg@serg.mylan 2003-06-30 22:24:03 +02:00
parent b5c092ba1f
commit 9c89341fd6
1 changed files with 30 additions and 18 deletions
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48
sql/sql_yacc.yy
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@ -803,18 +803,35 @@ create:
};
create2:
'(' field_list ')' opt_create_table_options create3 {}
'(' create2a {}
| opt_create_table_options create3 {};
create2a:
field_list ')' opt_create_table_options create3 {}
| create_select ')' { Select->braces= 1;} union_opt {}
;
create3:
/* empty */ {}
| opt_duplicate opt_as SELECT_SYM
| opt_duplicate opt_as create_select
{ Select->braces= 0;} opt_union {}
| opt_duplicate opt_as '(' create_select ')'
{ Select->braces= 1;} union_opt {}
;
create_select:
SELECT_SYM
{
LEX *lex=Lex;
lex->lock_option= (using_update_log) ? TL_READ_NO_INSERT : TL_READ;
switch(lex->sql_command) {
case SQLCOM_INSERT: lex->sql_command=SQLCOM_INSERT_SELECT; break;
case SQLCOM_REPLACE: lex->sql_command=SQLCOM_REPLACE_SELECT; break;
}
mysql_init_select(lex);
}
select_options select_item_list opt_select_from opt_union {};
select_options select_item_list opt_select_from
;
opt_as:
/* empty */ {}
@ -1490,7 +1507,7 @@ select:
select_init:
SELECT_SYM select_part2 { Select->braces= 0; } opt_union
|
'(' SELECT_SYM select_part2 ')' { Select->braces= 1;} union_opt;
'(' SELECT_SYM select_part2 ')' { Select->braces= 1;} union_opt;
select_part2:
@ -2565,7 +2582,7 @@ opt_temporary:
insert:
INSERT { Lex->sql_command = SQLCOM_INSERT; } insert_lock_option
opt_ignore insert2
opt_ignore insert2
{
set_lock_for_tables($3);
}
@ -2576,7 +2593,7 @@ insert:
replace:
REPLACE
{
LEX *lex=Lex;
LEX *lex=Lex;
lex->sql_command = SQLCOM_REPLACE;
lex->duplicates= DUP_REPLACE;
}
@ -2593,7 +2610,7 @@ insert_lock_option:
| LOW_PRIORITY { $$= TL_WRITE_LOW_PRIORITY; }
| DELAYED_SYM { $$= TL_WRITE_DELAYED; }
| HIGH_PRIORITY { $$= TL_WRITE; }
;
;
replace_lock_option:
opt_low_priority { $$= $1; }
@ -2613,7 +2630,9 @@ insert_table:
};
insert_field_spec:
opt_field_spec insert_values {}
insert_values {}
| '(' ')' insert_values {}
| '(' fields ')' insert_values {}
| SET
{
LEX *lex=Lex;
@ -2634,16 +2653,9 @@ fields:
insert_values:
VALUES values_list {}
| SELECT_SYM
{
LEX *lex=Lex;
lex->sql_command = (lex->sql_command == SQLCOM_INSERT ?
SQLCOM_INSERT_SELECT : SQLCOM_REPLACE_SELECT);
lex->lock_option= (using_update_log) ? TL_READ_NO_INSERT : TL_READ;
mysql_init_select(lex);
}
select_options select_item_list select_from select_lock_type
opt_union {};
| create_select { Select->braces= 0;} opt_union {}
| '(' create_select ')' { Select->braces= 1;} union_opt {}
;
values_list:
values_list ',' no_braces