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ALTER TABLE ... DISABLE KEYS / ALTER TABLE ... ENABLE KEYS

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unknown 2001-05-11 22:26:12 +02:00
commit 5e52875b8f
9 changed files with 117 additions and 51 deletions
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37
sql/sql_yacc.yy
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@ -145,12 +145,14 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token DESC
%token DESCRIBE
%token DISTINCT
%token DISABLE_SYM
%token DOUBLE_SYM
%token DROP
%token DUMPFILE
%token DYNAMIC_SYM
%token ELSE
%token ELT_FUNC
%token ENABLE_SYM
%token ENCLOSED
%token ENCODE_SYM
%token ENCRYPT
@ -1110,6 +1112,8 @@ alter:
lex->db=lex->name=0;
bzero((char*) &lex->create_info,sizeof(lex->create_info));
lex->create_info.db_type= DB_TYPE_DEFAULT;
lex->alter_keys_onoff=LEAVE_AS_IS;
lex->simple_alter=1;
}
alter_list
@ -1118,16 +1122,18 @@ alter_list:
| alter_list ',' alter_list_item
add_column:
ADD opt_column { Lex->change=0;}
ADD opt_column { Lex->change=0; }
alter_list_item:
add_column field_list_item opt_place
| add_column '(' field_list ')'
| CHANGE opt_column field_ident { Lex->change= $3.str; } field_spec
add_column field_list_item opt_place { Lex->simple_alter=0; }
| add_column '(' field_list ')' { Lex->simple_alter=0; }
| CHANGE opt_column field_ident { Lex->change= $3.str; Lex->simple_alter=0; }
field_spec
| MODIFY_SYM opt_column field_ident
{
Lex->length=Lex->dec=0; Lex->type=0; Lex->interval=0;
Lex->default_value=0;
Lex->simple_alter=0;
}
type opt_attribute
{
@ -1137,23 +1143,26 @@ alter_list_item:
Lex->default_value, $3.str,
Lex->interval))
YYABORT;
Lex->simple_alter=0;
}
| DROP opt_column field_ident opt_restrict
{ Lex->drop_list.push_back(new Alter_drop(Alter_drop::COLUMN,
$3.str)); }
| DROP PRIMARY_SYM KEY_SYM { Lex->drop_primary=1; }
| DROP FOREIGN KEY_SYM opt_ident {}
$3.str)); Lex->simple_alter=0; }
| DROP PRIMARY_SYM KEY_SYM { Lex->drop_primary=1; Lex->simple_alter=0; }
| DROP FOREIGN KEY_SYM opt_ident { Lex->simple_alter=0; }
| DROP key_or_index field_ident
{ Lex->drop_list.push_back(new Alter_drop(Alter_drop::KEY,
$3.str)); }
$3.str)); Lex->simple_alter=0; }
| DISABLE_SYM KEYS { Lex->alter_keys_onoff=DISABLE; }
| ENABLE_SYM KEYS { Lex->alter_keys_onoff=ENABLE; }
| ALTER opt_column field_ident SET DEFAULT literal
{ Lex->alter_list.push_back(new Alter_column($3.str,$6)); }
{ Lex->alter_list.push_back(new Alter_column($3.str,$6)); Lex->simple_alter=0; }
| ALTER opt_column field_ident DROP DEFAULT
{ Lex->alter_list.push_back(new Alter_column($3.str,(Item*) 0)); }
{ Lex->alter_list.push_back(new Alter_column($3.str,(Item*) 0)); Lex->simple_alter=0; }
| RENAME opt_to table_alias table_ident
{ Lex->db=$4->db.str ; Lex->name= $4->table.str; }
| create_table_options
| order_clause
{ Lex->db=$4->db.str ; Lex->name= $4->table.str; Lex->simple_alter=0; }
| create_table_options { Lex->simple_alter=0; }
| order_clause { Lex->simple_alter=0; }
opt_column:
/* empty */ {}
@ -2604,8 +2613,10 @@ keyword:
| DATE_SYM {}
| DAY_SYM {}
| DELAY_KEY_WRITE_SYM {}
| DISABLE_SYM {}
| DUMPFILE {}
| DYNAMIC_SYM {}
| ENABLE_SYM {}
| END {}
| ENUM {}
| ESCAPE_SYM {}