# # This file contains tests covering the parser # #============================================================================= # LEXICAL PARSER (lex) #============================================================================= # # Maintainer: these tests are for the lexical parser, so every character, # even whitespace or comments, is significant here. # SET @save_sql_mode=@@sql_mode; # # Documenting the current behavior, to detect incompatible changes. # In each cases: # - no error is the correct result # - an error is the expected result with the current implementation, # and is a limitation. set SQL_MODE=''; create table ADDDATE(a int); drop table ADDDATE; create table ADDDATE (a int); drop table ADDDATE; --error ER_PARSE_ERROR create table BIT_AND(a int); create table BIT_AND (a int); drop table BIT_AND; --error ER_PARSE_ERROR create table BIT_OR(a int); create table BIT_OR (a int); drop table BIT_OR; --error ER_PARSE_ERROR create table BIT_XOR(a int); create table BIT_XOR (a int); drop table BIT_XOR; --error ER_PARSE_ERROR create table CAST(a int); create table CAST (a int); drop table CAST; --error ER_PARSE_ERROR create table COUNT(a int); create table COUNT (a int); drop table COUNT; --error ER_PARSE_ERROR create table CURDATE(a int); create table CURDATE (a int); drop table CURDATE; --error ER_PARSE_ERROR create table CURTIME(a int); create table CURTIME (a int); drop table CURTIME; --error ER_PARSE_ERROR create table DATE_ADD(a int); create table DATE_ADD (a int); drop table DATE_ADD; --error ER_PARSE_ERROR create table DATE_SUB(a int); create table DATE_SUB (a int); drop table DATE_SUB; --error ER_PARSE_ERROR create table EXTRACT(a int); create table EXTRACT (a int); drop table EXTRACT; --error ER_PARSE_ERROR create table GROUP_CONCAT(a int); create table GROUP_CONCAT (a int); drop table GROUP_CONCAT; # Limitation removed in 5.1 create table GROUP_UNIQUE_USERS(a int); drop table GROUP_UNIQUE_USERS; create table GROUP_UNIQUE_USERS (a int); drop table GROUP_UNIQUE_USERS; --error ER_PARSE_ERROR create table MAX(a int); create table MAX (a int); drop table MAX; --error ER_PARSE_ERROR create table MID(a int); create table MID (a int); drop table MID; --error ER_PARSE_ERROR create table MIN(a int); create table MIN (a int); drop table MIN; --error ER_PARSE_ERROR create table NOW(a int); create table NOW (a int); drop table NOW; --error ER_PARSE_ERROR create table POSITION(a int); create table POSITION (a int); drop table POSITION; create table SESSION_USER(a int); drop table SESSION_USER; create table SESSION_USER (a int); drop table SESSION_USER; --error ER_PARSE_ERROR create table STD(a int); create table STD (a int); drop table STD; --error ER_PARSE_ERROR create table STDDEV(a int); create table STDDEV (a int); drop table STDDEV; --error ER_PARSE_ERROR create table STDDEV_POP(a int); create table STDDEV_POP (a int); drop table STDDEV_POP; --error ER_PARSE_ERROR create table STDDEV_SAMP(a int); create table STDDEV_SAMP (a int); drop table STDDEV_SAMP; create table SUBDATE(a int); drop table SUBDATE; create table SUBDATE (a int); drop table SUBDATE; --error ER_PARSE_ERROR create table SUBSTR(a int); create table SUBSTR (a int); drop table SUBSTR; --error ER_PARSE_ERROR create table SUBSTRING(a int); create table SUBSTRING (a int); drop table SUBSTRING; --error ER_PARSE_ERROR create table SUM(a int); create table SUM (a int); drop table SUM; --error ER_PARSE_ERROR create table SYSDATE(a int); create table SYSDATE (a int); drop table SYSDATE; create table SYSTEM_USER(a int); drop table SYSTEM_USER; create table SYSTEM_USER (a int); drop table SYSTEM_USER; --error ER_PARSE_ERROR create table TRIM(a int); create table TRIM (a int); drop table TRIM; # Limitation removed in 5.1 create table UNIQUE_USERS(a int); drop table UNIQUE_USERS; create table UNIQUE_USERS (a int); drop table UNIQUE_USERS; --error ER_PARSE_ERROR create table VARIANCE(a int); create table VARIANCE (a int); drop table VARIANCE; --error ER_PARSE_ERROR create table VAR_POP(a int); create table VAR_POP (a int); drop table VAR_POP; --error ER_PARSE_ERROR create table VAR_SAMP(a int); create table VAR_SAMP (a int); drop table VAR_SAMP; set SQL_MODE='IGNORE_SPACE'; create table ADDDATE(a int); drop table ADDDATE; create table ADDDATE (a int); drop table ADDDATE; --error ER_PARSE_ERROR create table BIT_AND(a int); --error ER_PARSE_ERROR create table BIT_AND (a int); --error ER_PARSE_ERROR create table BIT_OR(a int); --error ER_PARSE_ERROR create table BIT_OR (a int); --error ER_PARSE_ERROR create table BIT_XOR(a int); --error ER_PARSE_ERROR create table BIT_XOR (a int); --error ER_PARSE_ERROR create table CAST(a int); --error ER_PARSE_ERROR create table CAST (a int); --error ER_PARSE_ERROR create table COUNT(a int); --error ER_PARSE_ERROR create table COUNT (a int); --error ER_PARSE_ERROR create table CURDATE(a int); --error ER_PARSE_ERROR create table CURDATE (a int); --error ER_PARSE_ERROR create table CURTIME(a int); --error ER_PARSE_ERROR create table CURTIME (a int); --error ER_PARSE_ERROR create table DATE_ADD(a int); --error ER_PARSE_ERROR create table DATE_ADD (a int); --error ER_PARSE_ERROR create table DATE_SUB(a int); --error ER_PARSE_ERROR create table DATE_SUB (a int); --error ER_PARSE_ERROR create table EXTRACT(a int); --error ER_PARSE_ERROR create table EXTRACT (a int); --error ER_PARSE_ERROR create table GROUP_CONCAT(a int); --error ER_PARSE_ERROR create table GROUP_CONCAT (a int); # Limitation removed in 5.1 create table GROUP_UNIQUE_USERS(a int); drop table GROUP_UNIQUE_USERS; create table GROUP_UNIQUE_USERS (a int); drop table GROUP_UNIQUE_USERS; --error ER_PARSE_ERROR create table MAX(a int); --error ER_PARSE_ERROR create table MAX (a int); --error ER_PARSE_ERROR create table MID(a int); --error ER_PARSE_ERROR create table MID (a int); --error ER_PARSE_ERROR create table MIN(a int); --error ER_PARSE_ERROR create table MIN (a int); --error ER_PARSE_ERROR create table NOW(a int); --error ER_PARSE_ERROR create table NOW (a int); --error ER_PARSE_ERROR create table POSITION(a int); --error ER_PARSE_ERROR create table POSITION (a int); create table SESSION_USER(a int); drop table SESSION_USER; create table SESSION_USER (a int); drop table SESSION_USER; --error ER_PARSE_ERROR create table STD(a int); --error ER_PARSE_ERROR create table STD (a int); --error ER_PARSE_ERROR create table STDDEV(a int); --error ER_PARSE_ERROR create table STDDEV (a int); --error ER_PARSE_ERROR create table STDDEV_POP(a int); --error ER_PARSE_ERROR create table STDDEV_POP (a int); --error ER_PARSE_ERROR create table STDDEV_SAMP(a int); --error ER_PARSE_ERROR create table STDDEV_SAMP (a int); create table SUBDATE(a int); drop table SUBDATE; create table SUBDATE (a int); drop table SUBDATE; --error ER_PARSE_ERROR create table SUBSTR(a int); --error ER_PARSE_ERROR create table SUBSTR (a int); --error ER_PARSE_ERROR create table SUBSTRING(a int); --error ER_PARSE_ERROR create table SUBSTRING (a int); --error ER_PARSE_ERROR create table SUM(a int); --error ER_PARSE_ERROR create table SUM (a int); --error ER_PARSE_ERROR create table SYSDATE(a int); --error ER_PARSE_ERROR create table SYSDATE (a int); create table SYSTEM_USER(a int); drop table SYSTEM_USER; create table SYSTEM_USER (a int); drop table SYSTEM_USER; --error ER_PARSE_ERROR create table TRIM(a int); --error ER_PARSE_ERROR create table TRIM (a int); # Limitation removed in 5.1 create table UNIQUE_USERS(a int); drop table UNIQUE_USERS; create table UNIQUE_USERS (a int); drop table UNIQUE_USERS; --error ER_PARSE_ERROR create table VARIANCE(a int); --error ER_PARSE_ERROR create table VARIANCE (a int); --error ER_PARSE_ERROR create table VAR_POP(a int); --error ER_PARSE_ERROR create table VAR_POP (a int); --error ER_PARSE_ERROR create table VAR_SAMP(a int); --error ER_PARSE_ERROR create table VAR_SAMP (a int); # # Bug#25930 (CREATE TABLE x SELECT ... parses columns wrong when ran with # ANSI_QUOTES mode) # --disable_warnings DROP TABLE IF EXISTS table_25930_a; DROP TABLE IF EXISTS table_25930_b; --enable_warnings SET SQL_MODE = 'ANSI_QUOTES'; CREATE TABLE table_25930_a ( "blah" INT ); CREATE TABLE table_25930_b SELECT "blah" - 1 FROM table_25930_a; # The lexer used to chop the first <">, # not marking the start of the token "blah" correctly. desc table_25930_b; DROP TABLE table_25930_a; DROP TABLE table_25930_b; SET @@sql_mode=@save_sql_mode; # # Bug#26030 (Parsing fails for stored routine w/multi-statement execution # enabled) # --disable_warnings DROP PROCEDURE IF EXISTS p26030; --enable_warnings delimiter $$; select "non terminated"$$ select "terminated";$$ select "non terminated, space" $$ select "terminated, space"; $$ select "non terminated, comment" /* comment */$$ select "terminated, comment"; /* comment */$$ # Multi queries can not be used in --ps-protocol test mode --disable_ps_protocol select "stmt 1";select "stmt 2 non terminated"$$ select "stmt 1";select "stmt 2 terminated";$$ select "stmt 1";select "stmt 2 non terminated, space" $$ select "stmt 1";select "stmt 2 terminated, space"; $$ select "stmt 1";select "stmt 2 non terminated, comment" /* comment */$$ select "stmt 1";select "stmt 2 terminated, comment"; /* comment */$$ select "stmt 1"; select "space, stmt 2"$$ select "stmt 1";/* comment */select "comment, stmt 2"$$ DROP PROCEDURE IF EXISTS p26030; CREATE PROCEDURE p26030() BEGIN SELECT 1; END; CALL p26030() $$ DROP PROCEDURE IF EXISTS p26030; CREATE PROCEDURE p26030() SELECT 1; CALL p26030() $$ --enable_ps_protocol delimiter ;$$ DROP PROCEDURE p26030; #============================================================================= # SYNTACTIC PARSER (bison) #============================================================================= # # # Bug#21114 (Foreign key creation fails to table with name format) # # Test coverage with edge conditions -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select pi(3.14); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select tan(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select tan(1, 2); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select makedate(1); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select makedate(1, 2, 3); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select maketime(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select maketime(1); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select maketime(1, 2); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select maketime(1, 2, 3, 4); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select atan(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select atan2(1, 2, 3); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select concat(); select concat("foo"); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select concat_ws(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select concat_ws("foo"); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select encrypt(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select encrypt(1, 2, 3); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select des_encrypt("p1", "p2", "not expected"); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select des_decrypt("p1", "p2", "not expected"); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select elt(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select elt(1); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select export_set(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select export_set("p1"); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select export_set("p1", "p2"); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select export_set("p1", "p2", "p3", "p4", "p5", "p6"); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select field(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select field("p1"); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select from_unixtime(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select from_unixtime(1, 2, 3); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select unix_timestamp(1, 2); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select greatest(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select greatest(12); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select last_insert_id(1, 2); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select least(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select least(12); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select locate(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select locate(1); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select locate(1, 2, 3, 4); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select log(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select log(1, 2, 3); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select make_set(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select make_set(1); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select master_pos_wait(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select master_pos_wait(1); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select master_pos_wait(1, 2, 3, 4, 5); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select rand(1, 2, 3); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select round(1, 2, 3); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select yearweek(); -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT select yearweek(1, 2, 3); # # Bug#24736: UDF functions parsed as Stored Functions # # Verify that the syntax for calling UDF : foo(expr AS param, ...) # can not be used when calling native functions # Native function with 1 argument select abs(3); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select abs(3 AS three); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select abs(3 three); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select abs(3 AS "three"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select abs(3 "three"); # Native function with 2 arguments set @bar="bar"; set @foobar="foobar"; select instr("foobar", "bar"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select instr("foobar" AS p1, "bar"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select instr("foobar" p1, "bar"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select instr("foobar" AS "p1", "bar"); ## String concatenation, valid syntax select instr("foobar" "p1", "bar"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select instr(@foobar "p1", "bar"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select instr("foobar", "bar" AS p2); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select instr("foobar", "bar" p2); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select instr("foobar", "bar" AS "p2"); ## String concatenation, valid syntax select instr("foobar", "bar" "p2"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select instr("foobar", @bar "p2"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select instr("foobar" AS p1, "bar" AS p2); # Native function with 3 arguments select conv(255, 10, 16); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255 AS p1, 10, 16); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255 p1, 10, 16); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255 AS "p1", 10, 16); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255 "p1", 10, 16); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255, 10 AS p2, 16); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255, 10 p2, 16); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255, 10 AS "p2", 16); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255, 10 "p2", 16); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255, 10, 16 AS p3); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255, 10, 16 p3); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255, 10, 16 AS "p3"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255, 10, 16 "p3"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select conv(255 AS p1, 10 AS p2, 16 AS p3); # Native function with a variable number of arguments # Bug in libm.so on Solaris: # atan(10) from 32-bit version returns 1.4711276743037347 # atan(10) from 64-bit version returns 1.4711276743037345 --replace_result 1.4711276743037345 1.4711276743037347 select atan(10); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10 AS p1); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10 p1); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10 AS "p1"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10 "p1"); select atan(10, 20); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10 AS p1, 20); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10 p1, 20); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10 AS "p1", 20); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10 "p1", 20); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10, 20 AS p2); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10, 20 p2); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10, 20 AS "p2"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10, 20 "p2"); -- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT select atan(10 AS p1, 20 AS p2); # # Bug#22312 Syntax error in expression with INTERVAL() # --disable_warnings DROP TABLE IF EXISTS t1; --enable_warnings SELECT STR_TO_DATE('10:00 PM', '%h:%i %p') + INTERVAL 10 MINUTE; SELECT STR_TO_DATE('10:00 PM', '%h:%i %p') + INTERVAL (INTERVAL(1,2,3) + 1) MINUTE; SELECT "1997-12-31 23:59:59" + INTERVAL 1 SECOND; SELECT 1 + INTERVAL(1,0,1,2) + 1; SELECT INTERVAL(1^1,0,1,2) + 1; SELECT INTERVAL(1,0+1,2,3) * 5.5; SELECT INTERVAL(3,3,1+3,4+4) / 0.5; SELECT (INTERVAL(1,0,1,2) + 5) * 7 + INTERVAL(1,0,1,2) / 2; SELECT INTERVAL(1,0,1,2) + 1, 5 * INTERVAL(1,0,1,2); SELECT INTERVAL(0,(1*5)/2) + INTERVAL(5,4,3); --disable_warnings SELECT 1^1 + INTERVAL 1+1 SECOND & 1 + INTERVAL 1+1 SECOND; SELECT 1%2 - INTERVAL 1^1 SECOND | 1%2 - INTERVAL 1^1 SECOND; --enable_warnings CREATE TABLE t1 (a INT, b DATETIME); INSERT INTO t1 VALUES (INTERVAL(3,2,1) + 1, "1997-12-31 23:59:59" + INTERVAL 1 SECOND); SELECT * FROM t1 WHERE a = INTERVAL(3,2,1) + 1; DROP TABLE t1; # # Bug#28317 Left Outer Join with {oj outer-join} # --disable_warnings DROP TABLE IF EXISTS t1,t2,t3; --enable_warnings CREATE TABLE t1 (a1 INT, a2 INT, a3 INT, a4 DATETIME); CREATE TABLE t2 LIKE t1; CREATE TABLE t3 LIKE t1; SELECT t1.* FROM t1 AS t0, { OJ t2 INNER JOIN t1 ON (t1.a1=t2.a1) } WHERE t0.a3=2; SELECT t1.*,t2.* FROM { OJ ((t1 INNER JOIN t2 ON (t1.a1=t2.a2)) LEFT OUTER JOIN t3 ON t3.a3=t2.a1)}; SELECT t1.*,t2.* FROM { OJ ((t1 LEFT OUTER JOIN t2 ON t1.a3=t2.a2) INNER JOIN t3 ON (t3.a1=t2.a2))}; SELECT t1.*,t2.* FROM { OJ (t1 LEFT OUTER JOIN t2 ON t1.a1=t2.a2) CROSS JOIN t3 ON (t3.a2=t2.a3)}; SELECT * FROM {oj t1 LEFT OUTER JOIN t2 ON t1.a1=t2.a3} WHERE t1.a2 > 10; SELECT {fn CONCAT(a1,a2)} FROM t1; UPDATE t3 SET a4={d '1789-07-14'} WHERE a1=0; SELECT a1, a4 FROM t2 WHERE a4 LIKE {fn UCASE('1789-07-14')}; DROP TABLE t1, t2, t3; --echo # --echo # End of 5.1 tests --echo # --echo # --echo # Bug#17075846 : unquoted file names for variable values are --echo # accepted but parsed incorrectly --echo # --error ER_WRONG_TYPE_FOR_VAR SET default_storage_engine=a.myisam; --error ER_WRONG_TYPE_FOR_VAR SET default_storage_engine = .a.MyISAM; --error ER_WRONG_TYPE_FOR_VAR SET default_storage_engine = a.b.MyISAM; --error ER_WRONG_TYPE_FOR_VAR SET default_storage_engine = `a`.MyISAM; --error ER_WRONG_TYPE_FOR_VAR SET default_storage_engine = `a`.`MyISAM`; --error ER_UNKNOWN_STORAGE_ENGINE set default_storage_engine = "a.MYISAM"; --error ER_UNKNOWN_STORAGE_ENGINE set default_storage_engine = 'a.MYISAM'; --error ER_UNKNOWN_STORAGE_ENGINE set default_storage_engine = `a.MYISAM`; CREATE TABLE t1 (s VARCHAR(100)); --ERROR ER_BAD_FIELD_ERROR CREATE TRIGGER trigger1 BEFORE INSERT ON t1 FOR EACH ROW SET default_storage_engine = NEW.INNODB; DROP TABLE t1;