mirror of
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Merge eagle.mysql.r18.ru:/home/vva/work/mysql.orig/clear/mysql-5.0
into eagle.mysql.r18.ru:/home/vva/work/WL_1941/mysql-5.0
This commit is contained in:
unknown
@ -85,3 +85,252 @@ t1 CREATE TABLE "t1" (
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UNIQUE KEY "email" ("email")
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)
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drop table t1;
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SET @OLD_SQL_MODE=@@SQL_MODE, @@SQL_MODE='';
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show local variables like 'SQL_MODE';
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Variable_name Value
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sql_mode
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CREATE TABLE t1 (p int not null auto_increment, a varchar(20), primary key(p));
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INSERT t1 (a) VALUES
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('\\'),
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('\n'),
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('\b'),
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('\r'),
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('\t'),
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('\x'),
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('\a'),
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('\aa'),
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('\\a'),
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('\\aa'),
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('_'),
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('\_'),
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('\\_'),
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('\\\_'),
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('\\\\_'),
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('%'),
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('\%'),
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('\\%'),
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('\\\%'),
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('\\\\%')
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;
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SELECT p, hex(a) FROM t1;
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p hex(a)
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1 5C
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2 0A
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3 08
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4 0D
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5 09
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6 78
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7 61
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8 6161
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9 5C61
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10 5C6161
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11 5F
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12 5C5F
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13 5C5F
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14 5C5C5F
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15 5C5C5F
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16 25
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17 5C25
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18 5C25
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19 5C5C25
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20 5C5C25
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delete from t1 where a in ('\n','\r','\t', '\b');
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select
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masks.p,
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masks.a as mask,
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examples.a as example
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from
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t1 as masks
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left join t1 as examples on examples.a LIKE masks.a
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order by masks.p, example;
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p mask example
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1 \ \
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6 x x
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7 a a
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8 aa aa
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9 \a a
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10 \aa aa
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11 _ %
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11 _ a
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11 _ x
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11 _ \
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11 _ _
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12 \_ _
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13 \_ _
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14 \\_ \%
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14 \\_ \%
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14 \\_ \a
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14 \\_ \_
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14 \\_ \_
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15 \\_ \%
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15 \\_ \%
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15 \\_ \a
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15 \\_ \_
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15 \\_ \_
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16 % %
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16 % a
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16 % aa
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16 % x
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16 % \
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16 % \%
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16 % \%
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16 % \a
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16 % \aa
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16 % \\%
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16 % \\%
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16 % \\_
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16 % \\_
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16 % \_
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16 % \_
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16 % _
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17 \% %
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18 \% %
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19 \\% \
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19 \\% \%
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19 \\% \%
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19 \\% \a
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19 \\% \aa
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19 \\% \\%
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19 \\% \\%
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19 \\% \\_
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19 \\% \\_
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19 \\% \_
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19 \\% \_
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20 \\% \
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20 \\% \%
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20 \\% \%
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20 \\% \a
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20 \\% \aa
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20 \\% \\%
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20 \\% \\%
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20 \\% \\_
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20 \\% \\_
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20 \\% \_
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20 \\% \_
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DROP TABLE t1;
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SET @@SQL_MODE='NO_BACKSLASH_ESCAPES';
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show local variables like 'SQL_MODE';
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Variable_name Value
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sql_mode NO_BACKSLASH_ESCAPES
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CREATE TABLE t1 (p int not null auto_increment, a varchar(20), primary key(p));
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INSERT t1 (a) VALUES
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('\\'),
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('\n'),
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('\b'),
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('\r'),
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('\t'),
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('\x'),
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('\a'),
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('\aa'),
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('\\a'),
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('\\aa'),
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('_'),
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('\_'),
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('\\_'),
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('\\\_'),
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('\\\\_'),
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('%'),
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('\%'),
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('\\%'),
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('\\\%'),
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('\\\\%')
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;
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SELECT p, hex(a) FROM t1;
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p hex(a)
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1 5C5C
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2 5C6E
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3 5C62
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4 5C72
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5 5C74
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6 5C78
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7 5C61
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8 5C6161
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9 5C5C61
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10 5C5C6161
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11 5F
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12 5C5F
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13 5C5C5F
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14 5C5C5C5F
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15 5C5C5C5C5F
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16 25
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17 5C25
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18 5C5C25
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19 5C5C5C25
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20 5C5C5C5C25
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delete from t1 where a in ('\n','\r','\t', '\b');
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select
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masks.p,
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masks.a as mask,
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examples.a as example
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from
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t1 as masks
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left join t1 as examples on examples.a LIKE masks.a
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order by masks.p, example;
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p mask example
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1 \\ \\
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6 \x \x
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7 \a \a
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8 \aa \aa
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9 \\a \\a
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10 \\aa \\aa
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11 _ %
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11 _ _
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12 \_ \%
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12 \_ \a
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12 \_ \x
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12 \_ \\
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12 \_ \_
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13 \\_ \\%
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13 \\_ \\a
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13 \\_ \\_
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14 \\\_ \\\%
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14 \\\_ \\\_
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15 \\\\_ \\\\%
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15 \\\\_ \\\\_
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16 % %
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16 % \%
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16 % \a
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16 % \aa
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16 % \x
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16 % \\
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16 % \\%
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16 % \\a
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16 % \\aa
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16 % \\\%
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16 % \\\\%
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16 % \\\\_
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16 % \\\_
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16 % \\_
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16 % \_
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16 % _
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17 \% \%
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17 \% \a
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17 \% \aa
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17 \% \x
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17 \% \\
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17 \% \\%
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17 \% \\a
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17 \% \\aa
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17 \% \\\%
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17 \% \\\\%
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17 \% \\\\_
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17 \% \\\_
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17 \% \\_
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17 \% \_
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18 \\% \\
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18 \\% \\%
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18 \\% \\a
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18 \\% \\aa
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18 \\% \\\%
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18 \\% \\\\%
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18 \\% \\\\_
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18 \\% \\\_
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18 \\% \\_
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19 \\\% \\\%
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19 \\\% \\\\%
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19 \\\% \\\\_
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19 \\\% \\\_
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20 \\\\% \\\\%
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20 \\\\% \\\\_
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DROP TABLE t1;
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SET @@SQL_MODE=@OLD_SQL_MODE;
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@ -28,3 +28,98 @@ set sql_mode="postgresql,oracle,mssql,db2,maxdb";
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select @@sql_mode;
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show create table t1;
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drop table t1;
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#
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# test for
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# WL 1941 "NO_C_ESCAPES sql_mode"
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#
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# an sql_mode to disable \n, \r, \b, etc escapes in string literals. actually, to
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# disable special meaning of backslash completely. It's not in the SQL standard
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# and it causes some R/3 tests to fail.
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#
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SET @OLD_SQL_MODE=@@SQL_MODE, @@SQL_MODE='';
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show local variables like 'SQL_MODE';
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CREATE TABLE t1 (p int not null auto_increment, a varchar(20), primary key(p));
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INSERT t1 (a) VALUES
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('\\'),
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('\n'),
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('\b'),
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('\r'),
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('\t'),
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('\x'),
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('\a'),
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('\aa'),
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('\\a'),
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('\\aa'),
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('_'),
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('\_'),
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('\\_'),
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('\\\_'),
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('\\\\_'),
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('%'),
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('\%'),
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('\\%'),
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('\\\%'),
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('\\\\%')
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;
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SELECT p, hex(a) FROM t1;
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delete from t1 where a in ('\n','\r','\t', '\b');
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select
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masks.p,
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masks.a as mask,
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examples.a as example
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from
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t1 as masks
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left join t1 as examples on examples.a LIKE masks.a
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order by masks.p, example;
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DROP TABLE t1;
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SET @@SQL_MODE='NO_BACKSLASH_ESCAPES';
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show local variables like 'SQL_MODE';
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CREATE TABLE t1 (p int not null auto_increment, a varchar(20), primary key(p));
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INSERT t1 (a) VALUES
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('\\'),
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('\n'),
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('\b'),
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('\r'),
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('\t'),
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('\x'),
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('\a'),
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('\aa'),
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('\\a'),
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('\\aa'),
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('_'),
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('\_'),
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('\\_'),
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('\\\_'),
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('\\\\_'),
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('%'),
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('\%'),
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('\\%'),
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('\\\%'),
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('\\\\%')
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;
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SELECT p, hex(a) FROM t1;
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delete from t1 where a in ('\n','\r','\t', '\b');
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select
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masks.p,
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masks.a as mask,
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examples.a as example
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from
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t1 as masks
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left join t1 as examples on examples.a LIKE masks.a
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order by masks.p, example;
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DROP TABLE t1;
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SET @@SQL_MODE=@OLD_SQL_MODE;
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