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MDEV-8682 - CSV engine does not properly process "", in quotes

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Added per-table boolean IETF_QUOTES variable to CSV storage engine. It allows to
enable IETF-compatible parsing of embedded quote and comma characters. Disabled
by default.

This patch is based on Percona revision:
b32fbf0276

Note that original patch adds server variable, while this patch adds per-table
variable.
This commit is contained in:
Sergey Vojtovich 2015-09-22 16:39:05 +04:00
commit 54db387410
3 changed files with 131 additions and 6 deletions
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43
mysql-test/suite/csv/csv.test
View file

@ -1926,3 +1926,46 @@ move_file $MYSQLD_DATADIR/test/t1.CSV $MYSQLD_DATADIR/test/t2.CSV;
RENAME TABLE t1 TO t2;
SELECT * FROM t2;
DROP TABLE t2;
--echo #
--echo # MDEV-8664 - plugins.show_all_plugins --embedded fails in buildbot
--echo #
CREATE TABLE t1(c1 TEXT NOT NULL, c2 TEXT NOT NULL) ENGINE=CSV IETF_QUOTES=yes;
INSERT INTO t1 VALUES("a\"b,c","d");
INSERT INTO t1 VALUES("d","a\"b,c");
INSERT INTO t1 VALUES(",\"a","e");
INSERT INTO t1 VALUES("e",",\"a");
INSERT INTO t1 VALUES("\"","f");
INSERT INTO t1 VALUES("f","\"");
INSERT INTO t1 VALUES(",","g");
INSERT INTO t1 VALUES("g",",");
SELECT * FROM t1;
--echo CSV file contents:
--cat_file $MYSQLD_DATADIR/test/t1.CSV
DROP TABLE t1;
CREATE TABLE t1(c1 TEXT NOT NULL, c2 TEXT NOT NULL) ENGINE=CSV IETF_QUOTES=yes;
--echo Replacing t1.CSV
--remove_file $MYSQLD_DATADIR/test/t1.CSV
--write_file $MYSQLD_DATADIR/test/t1.CSV
a,b
"a","b"
"a""b,c","d"
"d",",""a"
"a"",",e
e,""""
",",f
EOF
SELECT * FROM t1;
ALTER TABLE t1 IETF_QUOTES=no;
SELECT * FROM t1;
DROP TABLE t1;