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BUG #12597 This is a complete patch (2nd) containing fixes per Serg's review

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This commit is contained in:
patg@radha.local
2005-09-09 00:03:07 +02:00
parent 9782004002
commit 06d1582b98
3 changed files with 173 additions and 74 deletions
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103
client/mysqldump.c
View File

@ -1330,41 +1330,6 @@ static uint get_table_structure(char *table, char *db)
fprintf(sql_file, "%s;\n", row[1]); fprintf(sql_file, "%s;\n", row[1]);
check_io(sql_file); check_io(sql_file);
mysql_free_result(tableRes); mysql_free_result(tableRes);
if (opt_dump_triggers &&
mysql_get_server_version(sock) >= 50009)
{
my_snprintf(query_buff, sizeof(query_buff),
"SHOW TRIGGERS LIKE %s",
quote_for_like(table, name_buff));
if (mysql_query_with_error_report(sock, &tableRes, query_buff))
{
if (path)
my_fclose(sql_file, MYF(MY_WME));
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
if (mysql_num_rows(tableRes))
fprintf(sql_file, "\n/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;\n\
DELIMITER //;\n");
while ((row=mysql_fetch_row(tableRes)))
{
fprintf(sql_file, "/*!50003 SET SESSION SQL_MODE=\"%s\"*/ //\n\
/*!50003 CREATE TRIGGER %s %s %s ON %s FOR EACH ROW%s*/ //\n\n",
row[6], /* sql_mode */
quote_name(row[0], name_buff, 0), /* Trigger */
row[4], /* Timing */
row[1], /* Event */
result_table,
row[3] /* Statement */);
}
if (mysql_num_rows(tableRes))
fprintf(sql_file,
"DELIMITER ;//\n\
/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE*/;");
mysql_free_result(tableRes);
}
} }
my_snprintf(query_buff, sizeof(query_buff), "show fields from %s", my_snprintf(query_buff, sizeof(query_buff), "show fields from %s",
result_table); result_table);
@ -1657,6 +1622,68 @@ continue_xml:
} /* get_table_structure */ } /* get_table_structure */
/*
dump_triggers_for_table
Dumps the triggers given a table/db name. This should be called after
the tables have been dumped in case a trigger depends on the existence
of a table
INPUT
char * tablename and db name
RETURNS
0 Failure
1 Succes
*/
static void dump_triggers_for_table (char *table, char *db)
{
MYSQL_RES *result;
MYSQL_ROW row;
char *result_table;
char name_buff[NAME_LEN+3], table_buff[NAME_LEN*2+3];
char query_buff[512];
FILE *sql_file = md_result_file;
DBUG_ENTER("dump_triggers_for_table");
DBUG_PRINT("enter", ("db: %s, table: %s", db, table));
result_table= quote_name(table, table_buff, 1);
my_snprintf(query_buff, sizeof(query_buff),
"SHOW TRIGGERS LIKE %s",
quote_for_like(table, name_buff));
if (mysql_query_with_error_report(sock, &result, query_buff))
{
if (path)
my_fclose(sql_file, MYF(MY_WME));
safe_exit(EX_MYSQLERR);
DBUG_VOID_RETURN;
}
if (mysql_num_rows(result))
fprintf(sql_file, "\n/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;\n\
DELIMITER //;\n");
while ((row=mysql_fetch_row(result)))
{
fprintf(sql_file, "/*!50003 SET SESSION SQL_MODE=\"%s\" */ //\n\
/*!50003 CREATE TRIGGER %s %s %s ON %s FOR EACH ROW%s */ //\n\n",
row[6], /* sql_mode */
quote_name(row[0], name_buff, 0), /* Trigger */
row[4], /* Timing */
row[1], /* Event */
result_table,
row[3] /* Statement */);
}
if (mysql_num_rows(result))
fprintf(sql_file,
"DELIMITER ;//\n\
/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE */;");
mysql_free_result(result);
DBUG_VOID_RETURN;
}
static char *add_load_option(char *ptr,const char *object, static char *add_load_option(char *ptr,const char *object,
const char *statement) const char *statement)
{ {
@ -2376,6 +2403,9 @@ static int dump_all_tables_in_db(char *database)
dump_table(numrows,table); dump_table(numrows,table);
my_free(order_by, MYF(MY_ALLOW_ZERO_PTR)); my_free(order_by, MYF(MY_ALLOW_ZERO_PTR));
order_by= 0; order_by= 0;
if (opt_dump_triggers && ! opt_xml &&
mysql_get_server_version(sock) >= 50009)
dump_triggers_for_table(table, database);
} }
} }
if (opt_xml) if (opt_xml)
@ -2569,6 +2599,9 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
DBUG_PRINT("info",("Dumping table %s", table_name)); DBUG_PRINT("info",("Dumping table %s", table_name));
numrows= get_table_structure(table_name, db); numrows= get_table_structure(table_name, db);
dump_table(numrows, table_name); dump_table(numrows, table_name);
if (opt_dump_triggers &&
mysql_get_server_version(sock) >= 50009)
dump_triggers_for_table(table_name, db);
} }
/* Dump each selected view */ /* Dump each selected view */

109
mysql-test/r/mysqldump.result
View File

@ -1738,61 +1738,61 @@ CREATE TABLE `t1` (
`b` bigint(20) default NULL `b` bigint(20) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1; ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;
DELIMITER //;
/*!50003 SET SESSION SQL_MODE=""*/ //
/*!50003 CREATE TRIGGER `trg1` BEFORE INSERT ON `t1` FOR EACH ROW
begin
if new.a > 10 then
set new.a := 10;
set new.a := 11;
end if;
end*/ //
/*!50003 SET SESSION SQL_MODE=""*/ //
/*!50003 CREATE TRIGGER `trg2` BEFORE UPDATE ON `t1` FOR EACH ROW begin
if old.a % 2 = 0 then set new.b := 12; end if;
end*/ //
/*!50003 SET SESSION SQL_MODE="STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER"*/ //
/*!50003 CREATE TRIGGER `trg3` AFTER UPDATE ON `t1` FOR EACH ROW
begin
if new.a = -1 then
set @fired:= "Yes";
end if;
end*/ //
DELIMITER ;//
/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE*/;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */; /*!40000 ALTER TABLE `t1` DISABLE KEYS */;
LOCK TABLES `t1` WRITE; LOCK TABLES `t1` WRITE;
INSERT INTO `t1` VALUES (1,NULL),(2,NULL),(4,NULL),(11,NULL); INSERT INTO `t1` VALUES (1,NULL),(2,NULL),(4,NULL),(11,NULL);
UNLOCK TABLES; UNLOCK TABLES;
/*!40000 ALTER TABLE `t1` ENABLE KEYS */; /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
DROP TABLE IF EXISTS `t2`;
/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;
DELIMITER //;
/*!50003 SET SESSION SQL_MODE="" */ //
/*!50003 CREATE TRIGGER `trg1` BEFORE INSERT ON `t1` FOR EACH ROW
begin
if new.a > 10 then
set new.a := 10;
set new.a := 11;
end if;
end */ //
/*!50003 SET SESSION SQL_MODE="" */ //
/*!50003 CREATE TRIGGER `trg2` BEFORE UPDATE ON `t1` FOR EACH ROW begin
if old.a % 2 = 0 then set new.b := 12; end if;
end */ //
/*!50003 SET SESSION SQL_MODE="STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER" */ //
/*!50003 CREATE TRIGGER `trg3` AFTER UPDATE ON `t1` FOR EACH ROW
begin
if new.a = -1 then
set @fired:= "Yes";
end if;
end */ //
DELIMITER ;//
/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE */;DROP TABLE IF EXISTS `t2`;
CREATE TABLE `t2` ( CREATE TABLE `t2` (
`a` int(11) default NULL `a` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1; ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;
DELIMITER //;
/*!50003 SET SESSION SQL_MODE="STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER"*/ //
/*!50003 CREATE TRIGGER `trg4` BEFORE INSERT ON `t2` FOR EACH ROW
begin
if new.a > 10 then
set @fired:= "No";
end if;
end*/ //
DELIMITER ;//
/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE*/;
/*!40000 ALTER TABLE `t2` DISABLE KEYS */; /*!40000 ALTER TABLE `t2` DISABLE KEYS */;
LOCK TABLES `t2` WRITE; LOCK TABLES `t2` WRITE;
UNLOCK TABLES; UNLOCK TABLES;
/*!40000 ALTER TABLE `t2` ENABLE KEYS */; /*!40000 ALTER TABLE `t2` ENABLE KEYS */;
/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;
DELIMITER //;
/*!50003 SET SESSION SQL_MODE="STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER" */ //
/*!50003 CREATE TRIGGER `trg4` BEFORE INSERT ON `t2` FOR EACH ROW
begin
if new.a > 10 then
set @fired:= "No";
end if;
end */ //
DELIMITER ;//
/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE */;
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */; /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */; /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */; /*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
@ -1875,3 +1875,34 @@ set @fired:= "No";
end if; end if;
end BEFORE # STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER end BEFORE # STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER
DROP TABLE t1, t2; DROP TABLE t1, t2;
DROP TABLE IF EXISTS `test1`;
Warnings:
Note 1051 Unknown table 'test1'
CREATE TABLE `test1` (
`a1` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `test2`;
Warnings:
Note 1051 Unknown table 'test2'
CREATE TABLE `test2` (
`a2` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
CREATE TRIGGER `testref` BEFORE INSERT ON `test1` FOR EACH ROW BEGIN
INSERT INTO test2 SET a2 = NEW.a1; END //
INSERT INTO `test1` VALUES (1);
SELECT * FROM `test2`;
a2
1
SHOW TRIGGERS;
Trigger Event Table Statement Timing Created sql_mode
testref INSERT test1 BEGIN
INSERT INTO test2 SET a2 = NEW.a1; END BEFORE NULL
SELECT * FROM `test1`;
a1
1
SELECT * FROM `test2`;
a2
1
DROP TRIGGER testref;
DROP TABLE test1;
DROP TABLE test2;

35
mysql-test/t/mysqldump.test
View File

@ -761,3 +761,38 @@ show tables;
--replace_column 6 # --replace_column 6 #
show triggers; show triggers;
DROP TABLE t1, t2; DROP TABLE t1, t2;
# Test of fix to BUG 12597
DROP TABLE IF EXISTS `test1`;
CREATE TABLE `test1` (
`a1` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `test2`;
CREATE TABLE `test2` (
`a2` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
DELIMITER //;
CREATE TRIGGER `testref` BEFORE INSERT ON `test1` FOR EACH ROW BEGIN
INSERT INTO test2 SET a2 = NEW.a1; END //
DELIMITER ;//
INSERT INTO `test1` VALUES (1);
SELECT * FROM `test2`;
# dump
--exec $MYSQL_DUMP --skip-comments --databases test > var/tmp/mysqldump.sql
#DROP TRIGGER testref;
#DROP TABLE test1;
#DROP TABLE test2;
# restore
--exec $MYSQL test < var/tmp/mysqldump.sql
SHOW TRIGGERS;
SELECT * FROM `test1`;
SELECT * FROM `test2`;
DROP TRIGGER testref;
DROP TABLE test1;
DROP TABLE test2;