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Merge zippy.cornsilk.net:/home/cmiller/work/mysql/bug15776/my51-bug15776
into zippy.cornsilk.net:/home/cmiller/work/mysql/bug15776-encore/my51-bug15776-encore sql/field.cc: Auto merged sql/item_create.cc: Auto merged sql/share/errmsg.txt: Auto merged sql/unireg.h: Auto merged mysql-test/r/type_blob.result: manual merge. mysql-test/t/type_blob.test: manual merge. sql/sql_yacc.yy: merge by hand.
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@ -446,5 +446,169 @@ INSERT INTO t (c) VALUES (REPEAT('2',65536));
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INSERT INTO t (c) VALUES (REPEAT('3',65535));
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SELECT LENGTH(c), CHAR_LENGTH(c) FROM t;
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DROP TABLE t;
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# Bug#15776: 32-bit signed int used for length of blob
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# """LONGBLOB: A BLOB column with a maximum length of 4,294,967,295 or 4GB."""
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#
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# Conditions should be in this order:
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# A size is not in the allowed bounds.
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# If the type is char-ish AND size is within the max blob size:
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# raise ER_TOO_BIG_FIELDLENGTH (suggest using BLOB)
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# If size is too small:
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# raise ER_PARSE_ERROR
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# raise ER_TOO_BIG_DISPLAYWIDTH
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# BLOB and TEXT types
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--disable_warnings
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drop table if exists b15776;
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--enable_warnings
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create table b15776 (data blob(2147483647));
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drop table b15776;
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--error ER_PARSE_ERROR
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create table b15776 (data blob(-1));
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create table b15776 (data blob(2147483648));
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drop table b15776;
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create table b15776 (data blob(4294967294));
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drop table b15776;
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create table b15776 (data blob(4294967295));
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drop table b15776;
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--error ER_TOO_BIG_DISPLAYWIDTH
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create table b15776 (data blob(4294967296));
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CREATE TABLE b15776 (a blob(2147483647), b blob(2147483648), c blob(4294967295), a1 text(2147483647), b1 text(2147483648), c1 text(4294967295) );
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show columns from b15776;
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drop table b15776;
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a blob(4294967296));
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a text(4294967296));
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a blob(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a text(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
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# Int types
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# "Another extension is supported by MySQL for optionally specifying the
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# display width of integer data types in parentheses following the base keyword
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# for the type (for example, INT(4)). This optional display width is used to
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# display integer values having a width less than the width specified for the
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# column by left-padding them with spaces." § Numeric Types
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CREATE TABLE b15776 (a int(0)); # 0 is special case, means default size
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INSERT INTO b15776 values (NULL), (1), (42), (654);
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SELECT * from b15776 ORDER BY a;
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DROP TABLE b15776;
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--error ER_PARSE_ERROR
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CREATE TABLE b15776 (a int(-1));
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CREATE TABLE b15776 (a int(255));
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DROP TABLE b15776;
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a int(256));
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--error ER_PARSE_ERROR
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CREATE TABLE b15776 (data blob(-1));
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# Char types
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# Recommend BLOB
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--error ER_TOO_BIG_FIELDLENGTH
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CREATE TABLE b15776 (a char(2147483647));
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--error ER_TOO_BIG_FIELDLENGTH
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CREATE TABLE b15776 (a char(2147483648));
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--error ER_TOO_BIG_FIELDLENGTH
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CREATE TABLE b15776 (a char(4294967295));
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# Even BLOB won't hold
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a char(4294967296));
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# Other numeric-ish types
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## For year, widths not "2" or "4" are silently rewritten to "4". But
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## When we complain about it, we say that the max is 255. We may be
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## talking about different things. It's confusing.
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CREATE TABLE b15776 (a year(4294967295));
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INSERT INTO b15776 VALUES (42);
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SELECT * FROM b15776;
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DROP TABLE b15776;
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a year(4294967296));
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CREATE TABLE b15776 (a year(0)); # 0 is special case, means default size
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DROP TABLE b15776;
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--error ER_PARSE_ERROR
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CREATE TABLE b15776 (a year(-2));
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## For timestamp, we silently rewrite widths to 14 or 19.
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CREATE TABLE b15776 (a timestamp(4294967294));
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DROP TABLE b15776;
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CREATE TABLE b15776 (a timestamp(4294967295));
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DROP TABLE b15776;
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a timestamp(4294967296));
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--error ER_PARSE_ERROR
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CREATE TABLE b15776 (a timestamp(-1));
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--error ER_PARSE_ERROR
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CREATE TABLE b15776 (a timestamp(-2));
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# We've already tested the case, but this should visually show that
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# widths that are too large to be interpreted cause DISPLAYWIDTH errors.
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a int(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a char(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a year(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
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--error ER_TOO_BIG_DISPLAYWIDTH
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CREATE TABLE b15776 (a timestamp(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
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## Do not select, too much memory needed.
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CREATE TABLE b15776 select cast(null as char(4294967295));
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show columns from b15776;
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drop table b15776;
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CREATE TABLE b15776 select cast(null as nchar(4294967295));
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show columns from b15776;
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drop table b15776;
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CREATE TABLE b15776 select cast(null as binary(4294967295));
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show columns from b15776;
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drop table b15776;
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explain select cast(1 as char(4294967295));
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explain select cast(1 as nchar(4294967295));
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explain select cast(1 as binary(4294967295));
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--error ER_TOO_BIG_DISPLAYWIDTH
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explain select cast(1 as char(4294967296));
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--error ER_TOO_BIG_DISPLAYWIDTH
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explain select cast(1 as nchar(4294967296));
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--error ER_TOO_BIG_DISPLAYWIDTH
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explain select cast(1 as binary(4294967296));
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--error ER_PARSE_ERROR
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explain select cast(1 as decimal(-1));
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explain select cast(1 as decimal(64, 30));
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# It's not as important which errors are raised for these, since the
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# limit is nowhere near 2**32. We may fix these eventually to take
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# 4294967295 and still reject it because it's greater than 64 or 30,
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# but that's not a high priority and the parser needn't worry about
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# such a weird case.
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--error ER_TOO_BIG_SCALE,ER_PARSE_ERROR
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explain select cast(1 as decimal(64, 999999999999999999999999999999));
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--error ER_TOO_BIG_PRECISION,ER_PARSE_ERROR
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explain select cast(1 as decimal(4294967296));
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--error ER_TOO_BIG_PRECISION,ER_PARSE_ERROR
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explain select cast(1 as decimal(999999999999999999999999999999999999));
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explain select convert(1, char(4294967295));
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--error ER_TOO_BIG_DISPLAYWIDTH
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explain select convert(1, char(4294967296));
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--error ER_TOO_BIG_DISPLAYWIDTH
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explain select convert(1, char(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
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explain select convert(1, nchar(4294967295));
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--error ER_TOO_BIG_DISPLAYWIDTH
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explain select convert(1, nchar(4294967296));
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--error ER_TOO_BIG_DISPLAYWIDTH
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explain select convert(1, nchar(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
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explain select convert(1, binary(4294967295));
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--error ER_TOO_BIG_DISPLAYWIDTH
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explain select convert(1, binary(4294967296));
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--error ER_TOO_BIG_DISPLAYWIDTH
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explain select convert(1, binary(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
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--echo End of 5.0 tests
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