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A join patch for MDEV-17660 and MDEV-17661

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MDEV-17660 sql_mode=ORACLE: Some keywords do not work as label names: history, system, versioning, without
MDEV-17661 Add sql_mode specific tokens for the keyword DECODE
This commit is contained in:
Alexander Barkov 2018-11-10 23:11:34 +04:00
parent def2ac209a
commit 8e6f10335d
6 changed files with 160 additions and 32 deletions
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33
mysql-test/suite/compat/oracle/r/parser.result
View file

@ -499,3 +499,36 @@ test.comment()
Warnings:
Note 1585 This function 'comment' has the same name as a native function
DROP FUNCTION comment;
#
# MDEV-17660 sql_mode=ORACLE: Some keywords do not work as label names: history, system, versioning, without
#
BEGIN
<<date_format>>
NULL;
END;
/
BEGIN
<<decode>>
NULL;
END;
/
BEGIN
<<history>>
NULL;
END;
/
BEGIN
<<system>>
NULL;
END;
/
BEGIN
<<versioning>>
NULL;
END;
/
BEGIN
<<without>>
NULL;
END;
/

58
mysql-test/suite/compat/oracle/t/parser.test
View file

@ -258,3 +258,61 @@ enable_prepare_warnings;
SELECT test.comment() FROM DUAL;
disable_prepare_warnings;
DROP FUNCTION comment;
--echo #
--echo # MDEV-17660 sql_mode=ORACLE: Some keywords do not work as label names: history, system, versioning, without
--echo #
DELIMITER /;
BEGIN
<<date_format>>
NULL;
END;
/
DELIMITER ;/
DELIMITER /;
BEGIN
<<decode>>
NULL;
END;
/
DELIMITER ;/
DELIMITER /;
BEGIN
<<history>>
NULL;
END;
/
DELIMITER ;/
DELIMITER /;
BEGIN
<<system>>
NULL;
END;
/
DELIMITER ;/
DELIMITER /;
BEGIN
<<versioning>>
NULL;
END;
/
DELIMITER ;/
DELIMITER /;
BEGIN
<<without>>
NULL;
END;
/
DELIMITER ;/

2
sql/lex.h
View file

@ -739,7 +739,7 @@ static SYMBOL sql_functions[] = {
{ "DATE_ADD", SYM(DATE_ADD_INTERVAL)},
{ "DATE_SUB", SYM(DATE_SUB_INTERVAL)},
{ "DATE_FORMAT", SYM(DATE_FORMAT_SYM)},
{ "DECODE", SYM(DECODE_SYM)},
{ "DECODE", SYM(DECODE_MARIADB_SYM)},
{ "DENSE_RANK", SYM(DENSE_RANK_SYM)},
{ "EXTRACT", SYM(EXTRACT_SYM)},
{ "FIRST_VALUE", SYM(FIRST_VALUE_SYM)},

1
sql/sql_lex.cc
View file

@ -844,6 +844,7 @@ int Lex_input_stream::find_keyword(Lex_ident_cli_st *kwd,
case BEGIN_MARIADB_SYM: return BEGIN_ORACLE_SYM;
case BODY_MARIADB_SYM: return BODY_ORACLE_SYM;
case CONTINUE_MARIADB_SYM: return CONTINUE_ORACLE_SYM;
case DECODE_MARIADB_SYM: return DECODE_ORACLE_SYM;
case ELSIF_MARIADB_SYM: return ELSIF_ORACLE_SYM;
case EXCEPTION_MARIADB_SYM: return EXCEPTION_ORACLE_SYM;
case EXIT_MARIADB_SYM: return EXIT_ORACLE_SYM;

34
sql/sql_yacc.yy
View file

@ -1314,7 +1314,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
%token <kwd> DATE_SYM /* SQL-2003-R, Oracle-R, PLSQL-R */
%token <kwd> DAY_SYM /* SQL-2003-R */
%token <kwd> DEALLOCATE_SYM /* SQL-2003-R */
%token <kwd> DECODE_SYM /* Oracle function, non-reserved */
%token <kwd> DECODE_MARIADB_SYM /* Function, non-reserved */
%token <kwd> DECODE_ORACLE_SYM /* Function, non-reserved */
%token <kwd> DEFINER_SYM
%token <kwd> DELAYED_SYM
%token <kwd> DELAY_KEY_WRITE_SYM
@ -1961,6 +1962,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
%type <item_list>
expr_list opt_udf_expr_list udf_expr_list when_list when_list_opt_else
ident_list ident_list_arg opt_expr_list
decode_when_list_oracle
%type <sp_cursor_stmt>
sp_cursor_stmt_lex
@ -10538,12 +10540,18 @@ function_call_nonkeyword:
if (unlikely($$ == NULL))
MYSQL_YYABORT;
}
| DECODE_SYM '(' expr ',' expr ')'
| DECODE_MARIADB_SYM '(' expr ',' expr ')'
{
$$= new (thd->mem_root) Item_func_decode(thd, $3, $5);
if (unlikely($$ == NULL))
MYSQL_YYABORT;
}
| DECODE_ORACLE_SYM '(' expr ',' decode_when_list_oracle ')'
{
$5->push_front($3, thd->mem_root);
if (unlikely(!($$= new (thd->mem_root) Item_func_decode_oracle(thd, *$5))))
MYSQL_YYABORT;
}
| EXTRACT_SYM '(' interval FROM expr ')'
{
$$=new (thd->mem_root) Item_extract(thd, $3, $5);
@ -11701,6 +11709,25 @@ when_list_opt_else:
}
;
decode_when_list_oracle:
expr ',' expr
{
$$= new (thd->mem_root) List<Item>;
if (unlikely($$ == NULL) ||
unlikely($$->push_back($1, thd->mem_root)) ||
unlikely($$->push_back($3, thd->mem_root)))
MYSQL_YYABORT;
}
| decode_when_list_oracle ',' expr
{
$$= $1;
if (unlikely($$->push_back($3, thd->mem_root)))
MYSQL_YYABORT;
}
;
/* Equivalent to <table reference> in the SQL:2003 standard. */
/* Warning - may return NULL in case of incomplete SELECT */
table_ref:
@ -15801,7 +15828,8 @@ keyword_sp_var_and_label:
| DATAFILE_SYM
| DATE_FORMAT_SYM
| DAY_SYM
| DECODE_SYM
| DECODE_MARIADB_SYM
| DECODE_ORACLE_SYM
| DEFINER_SYM
| DELAY_KEY_WRITE_SYM
| DES_KEY_FILE

64
sql/sql_yacc_ora.yy
View file

@ -708,7 +708,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
%token <kwd> DATE_SYM /* SQL-2003-R, Oracle-R, PLSQL-R */
%token <kwd> DAY_SYM /* SQL-2003-R */
%token <kwd> DEALLOCATE_SYM /* SQL-2003-R */
%token <kwd> DECODE_SYM /* Oracle function, non-reserved */
%token <kwd> DECODE_MARIADB_SYM /* Function, non-reserved */
%token <kwd> DECODE_ORACLE_SYM /* Function, non-reserved */
%token <kwd> DEFINER_SYM
%token <kwd> DELAYED_SYM
%token <kwd> DELAY_KEY_WRITE_SYM
@ -1364,7 +1365,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
%type <item_list>
expr_list opt_udf_expr_list udf_expr_list when_list when_list_opt_else
ident_list ident_list_arg opt_expr_list
decode_when_list
decode_when_list_oracle
%type <sp_cursor_stmt>
sp_cursor_stmt_lex
@ -10211,24 +10212,6 @@ column_default_non_parenthesized_expr:
if (unlikely($$ == NULL))
MYSQL_YYABORT;
}
| DATE_FORMAT_SYM '(' expr ',' expr ')'
{
$$= new (thd->mem_root) Item_func_date_format(thd, $3, $5);
if (unlikely($$ == NULL))
MYSQL_YYABORT;
}
| DATE_FORMAT_SYM '(' expr ',' expr ',' expr ')'
{
$$= new (thd->mem_root) Item_func_date_format(thd, $3, $5, $7);
if (unlikely($$ == NULL))
MYSQL_YYABORT;
}
| DECODE_SYM '(' expr ',' decode_when_list ')'
{
$5->push_front($3, thd->mem_root);
if (unlikely(!($$= new (thd->mem_root) Item_func_decode_oracle(thd, *$5))))
MYSQL_YYABORT;
}
| DEFAULT '(' simple_ident ')'
{
Item_splocal *il= $3->get_item_splocal();
@ -10565,6 +10548,30 @@ function_call_nonkeyword:
if (unlikely($$ == NULL))
MYSQL_YYABORT;
}
| DATE_FORMAT_SYM '(' expr ',' expr ')'
{
$$= new (thd->mem_root) Item_func_date_format(thd, $3, $5);
if (unlikely($$ == NULL))
MYSQL_YYABORT;
}
| DATE_FORMAT_SYM '(' expr ',' expr ',' expr ')'
{
$$= new (thd->mem_root) Item_func_date_format(thd, $3, $5, $7);
if (unlikely($$ == NULL))
MYSQL_YYABORT;
}
| DECODE_MARIADB_SYM '(' expr ',' expr ')'
{
$$= new (thd->mem_root) Item_func_decode(thd, $3, $5);
if (unlikely($$ == NULL))
MYSQL_YYABORT;
}
| DECODE_ORACLE_SYM '(' expr ',' decode_when_list_oracle ')'
{
$5->push_front($3, thd->mem_root);
if (unlikely(!($$= new (thd->mem_root) Item_func_decode_oracle(thd, *$5))))
MYSQL_YYABORT;
}
| EXTRACT_SYM '(' interval FROM expr ')'
{
$$=new (thd->mem_root) Item_extract(thd, $3, $5);
@ -11730,7 +11737,7 @@ when_list_opt_else:
}
;
decode_when_list:
decode_when_list_oracle:
expr ',' expr
{
$$= new (thd->mem_root) List<Item>;
@ -11740,7 +11747,7 @@ decode_when_list:
MYSQL_YYABORT;
}
| decode_when_list ',' expr
| decode_when_list_oracle ',' expr
{
$$= $1;
if (unlikely($$->push_back($3, thd->mem_root)))
@ -15704,7 +15711,6 @@ keyword_sp_var_not_label:
| FORMAT_SYM
| GET_SYM
| HELP_SYM
| HISTORY_SYM
| HOST_SYM
| INSTALL_SYM
| OPTION
@ -15729,15 +15735,11 @@ keyword_sp_var_not_label:
| START_SYM
| STOP_SYM
| STORED_SYM
| SYSTEM
| SYSTEM_TIME_SYM
| TIES_SYM
| UNICODE_SYM
| UNINSTALL_SYM
| UNBOUNDED_SYM
| VERSIONING_SYM
| WITHIN
| WITHOUT
| WRAPPER_SYM
| XA_SYM
| UPGRADE_SYM
@ -15925,7 +15927,8 @@ keyword_sp_var_and_label:
| DATAFILE_SYM
| DATE_FORMAT_SYM
| DAY_SYM
| DECODE_SYM
| DECODE_MARIADB_SYM
| DECODE_ORACLE_SYM
| DEFINER_SYM
| DELAY_KEY_WRITE_SYM
| DES_KEY_FILE
@ -15967,6 +15970,7 @@ keyword_sp_var_and_label:
| GOTO_MARIADB_SYM
| HASH_SYM
| HARD_SYM
| HISTORY_SYM
| HOSTS_SYM
| HOUR_SYM
| ID_SYM
@ -16144,6 +16148,8 @@ keyword_sp_var_and_label:
| SUSPEND_SYM
| SWAPS_SYM
| SWITCHES_SYM
| SYSTEM
| SYSTEM_TIME_SYM
| TABLE_NAME_SYM
| TABLES
| TABLE_CHECKSUM_SYM
@ -16169,6 +16175,7 @@ keyword_sp_var_and_label:
| USER_SYM %prec PREC_BELOW_CONTRACTION_TOKEN2
| USE_FRM
| VARIABLES
| VERSIONING_SYM
| VIEW_SYM
| VIRTUAL_SYM
| VALUE_SYM
@ -16176,6 +16183,7 @@ keyword_sp_var_and_label:
| WAIT_SYM
| WEEK_SYM
| WEIGHT_STRING_SYM
| WITHOUT
| WORK_SYM
| X509_SYM
| XML_SYM