Commit 1106dddf authored by tsmith@sita.local's avatar tsmith@sita.local

Merge sita.local:/Users/tsmith/m/bk/41

into  sita.local:/Users/tsmith/m/bk/maint/41
parents 781a0493 8c8b6479
drop table if exists t1;
drop table if exists t1,t2;
create table t1 (a date, b date, c date not null, d date);
load data infile '../../std_data/loaddata1.dat' into table t1 fields terminated by ',';
Warnings:
......@@ -85,3 +85,57 @@ field1 field2
a"b cd"ef
a"b c"d"e
drop table t1;
CREATE TABLE t1 (
id INT AUTO_INCREMENT PRIMARY KEY,
c1 VARCHAR(255)
);
CREATE TABLE t2 (
id INT,
c2 VARCHAR(255)
);
INSERT INTO t1 (c1) VALUES
('r'), ('rr'), ('rrr'), ('rrrr'),
('.r'), ('.rr'), ('.rrr'), ('.rrrr'),
('r.'), ('rr.'), ('rrr.'), ('rrrr.'),
('.r.'), ('.rr.'), ('.rrr.'), ('.rrrr.');
SELECT * FROM t1;
id c1
1 r
2 rr
3 rrr
4 rrrr
5 .r
6 .rr
7 .rrr
8 .rrrr
9 r.
10 rr.
11 rrr.
12 rrrr.
13 .r.
14 .rr.
15 .rrr.
16 .rrrr.
SELECT * INTO OUTFILE 'MYSQL_TEST_DIR/var/tmp/t1' FIELDS ENCLOSED BY 'r' FROM t1;
r1r rrrr
r2r rrrrrr
r3r rrrrrrrr
r4r rrrrrrrrrr
r5r r.rrr
r6r r.rrrrr
r7r r.rrrrrrr
r8r r.rrrrrrrrr
r9r rrr.r
r10r rrrrr.r
r11r rrrrrrr.r
r12r rrrrrrrrr.r
r13r r.rr.r
r14r r.rrrr.r
r15r r.rrrrrr.r
r16r r.rrrrrrrr.r
LOAD DATA INFILE 'MYSQL_TEST_DIR/var/tmp/t1' INTO TABLE t2 FIELDS ENCLOSED BY 'r';
SELECT t1.id, c1, c2 FROM t1 LEFT JOIN t2 ON t1.id=t2.id WHERE c1 != c2;
id c1 c2
SELECT t1.id, c1, c2 FROM t1 RIGHT JOIN t2 ON t1.id=t2.id WHERE c1 != c2;
id c1 c2
DROP TABLE t1,t2;
......@@ -3,7 +3,7 @@
#
--disable_warnings
drop table if exists t1;
drop table if exists t1,t2;
--enable_warnings
create table t1 (a date, b date, c date not null, d date);
......@@ -67,4 +67,39 @@ load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated
select * from t1;
drop table t1;
#
# Bug #29294 SELECT INTO OUTFILE/LOAD DATA INFILE with special
# characters in the FIELDS ENCLOSED BY clause
#
CREATE TABLE t1 (
id INT AUTO_INCREMENT PRIMARY KEY,
c1 VARCHAR(255)
);
CREATE TABLE t2 (
id INT,
c2 VARCHAR(255)
);
INSERT INTO t1 (c1) VALUES
('r'), ('rr'), ('rrr'), ('rrrr'),
('.r'), ('.rr'), ('.rrr'), ('.rrrr'),
('r.'), ('rr.'), ('rrr.'), ('rrrr.'),
('.r.'), ('.rr.'), ('.rrr.'), ('.rrrr.');
SELECT * FROM t1;
--exec rm -f $MYSQL_TEST_DIR/var/tmp/t1
--replace_result $MYSQL_TEST_DIR MYSQL_TEST_DIR
eval SELECT * INTO OUTFILE '$MYSQL_TEST_DIR/var/tmp/t1' FIELDS ENCLOSED BY 'r' FROM t1;
--exec cat $MYSQL_TEST_DIR/var/tmp/t1
--replace_result $MYSQL_TEST_DIR MYSQL_TEST_DIR
eval LOAD DATA INFILE '$MYSQL_TEST_DIR/var/tmp/t1' INTO TABLE t2 FIELDS ENCLOSED BY 'r';
SELECT t1.id, c1, c2 FROM t1 LEFT JOIN t2 ON t1.id=t2.id WHERE c1 != c2;
SELECT t1.id, c1, c2 FROM t1 RIGHT JOIN t2 ON t1.id=t2.id WHERE c1 != c2;
--exec rm $MYSQL_TEST_DIR/var/tmp/t1
DROP TABLE t1,t2;
# End of 4.1 tests
......@@ -1020,6 +1020,7 @@ select_export::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
field_sep_char= (exchange->enclosed->length() ? (*exchange->enclosed)[0] :
field_term_length ? (*exchange->field_term)[0] : INT_MAX);
escape_char= (exchange->escaped->length() ? (*exchange->escaped)[0] : -1);
is_ambiguous_field_sep= test(strchr(ESCAPE_CHARS, field_sep_char));
line_sep_char= (exchange->line_term->length() ?
(*exchange->line_term)[0] : INT_MAX);
if (!field_term_length)
......@@ -1113,7 +1114,9 @@ bool select_export::send_data(List<Item> &items)
(int) *pos == line_sep_char || !*pos)
{
char tmp_buff[2];
tmp_buff[0]= escape_char;
tmp_buff[0]= ((int) *pos == field_sep_char &&
is_ambiguous_field_sep) ?
field_sep_char : escape_char;
tmp_buff[1]= *pos ? *pos : '0';
if (my_b_write(&cache,(byte*) start,(uint) (pos-start)) ||
my_b_write(&cache,(byte*) tmp_buff,2))
......
......@@ -1224,9 +1224,18 @@ public:
};
#define ESCAPE_CHARS "ntrb0ZN" // keep synchronous with READ_INFO::unescape
class select_export :public select_to_file {
uint field_term_length;
int field_sep_char,escape_char,line_sep_char;
/*
The is_ambiguous_field_sep field is true if a value of the field_sep_char
field is one of the 'n', 't', 'r' etc characters
(see the READ_INFO::unescape method and the ESCAPE_CHARS constant value).
*/
bool is_ambiguous_field_sep;
bool fixed_row_size;
public:
select_export(sql_exchange *ex) :select_to_file(ex) {}
......
......@@ -611,6 +611,7 @@ read_sep_field(THD *thd,COPY_INFO &info,TABLE *table,
char
READ_INFO::unescape(char chr)
{
/* keep this switch synchornous with the ESCAPE_CHARS macro */
switch(chr) {
case 'n': return '\n';
case 't': return '\t';
......
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