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MDEV-20496 Assertion `field.is_sane()' failed in Protocol_text::store_field_metadata

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This commit is contained in:
Alexander Barkov 2019-09-06 07:19:14 +04:00
parent 18e10e89bb
commit db9e41ddc3
3 changed files with 47 additions and 0 deletions
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23
mysql-test/main/type_bit.result
View File

@ -878,3 +878,26 @@ DROP TABLE t1;
#
# End of 10.4 tests
#
#
# Start of 10.5 tests
#
#
# MDEV-20496 Assertion `field.is_sane()' failed in Protocol_text::store_field_metadata
#
CREATE TABLE t1 (b BIT(1));
SELECT MIN(CASE WHEN 0 THEN b END) FROM t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def MIN(CASE WHEN 0 THEN b END) 8 1 0 Y 32928 0 63
MIN(CASE WHEN 0 THEN b END)
NULL
CREATE TABLE t2 AS SELECT MIN(CASE WHEN 0 THEN b END) FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`MIN(CASE WHEN 0 THEN b END)` bigint(1) unsigned DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
DROP TABLE t1;
#
# End of 10.5 tests
#

23
mysql-test/main/type_bit.test
View File

@ -511,3 +511,26 @@ DROP TABLE t1;
--echo #
--echo # End of 10.4 tests
--echo #
--echo #
--echo # Start of 10.5 tests
--echo #
--echo #
--echo # MDEV-20496 Assertion `field.is_sane()' failed in Protocol_text::store_field_metadata
--echo #
CREATE TABLE t1 (b BIT(1));
--disable_ps_protocol
--enable_metadata
SELECT MIN(CASE WHEN 0 THEN b END) FROM t1;
--disable_metadata
--enable_ps_protocol
CREATE TABLE t2 AS SELECT MIN(CASE WHEN 0 THEN b END) FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
DROP TABLE t1;
--echo #
--echo # End of 10.5 tests
--echo #

1
sql/sql_type.h
View File

@ -5391,6 +5391,7 @@ public:
virtual ~Type_handler_bit() {}
const Name name() const override { return m_name_bit; }
enum_field_types field_type() const override { return MYSQL_TYPE_BIT; }
uint flags() const override { return UNSIGNED_FLAG; }
protocol_send_type_t protocol_send_type() const override
{
return PROTOCOL_SEND_STRING;