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Merge branch '10.0' into 10.1

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This commit is contained in:
Sergei Golubchik
2018-12-29 23:44:45 +01:00
parent 50c9469be8 802ce9672f
commit aeefd26ecb
30 changed files with 284 additions and 104 deletions
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12
sql/handler.h
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@ -382,6 +382,12 @@ enum enum_alter_inplace_result {
#define HA_KEY_NULL_LENGTH 1
#define HA_KEY_BLOB_LENGTH 2
/* Maximum length of any index lookup key, in bytes */
#define MAX_KEY_LENGTH (MAX_DATA_LENGTH_FOR_KEY \
+(MAX_REF_PARTS \
*(HA_KEY_NULL_LENGTH + HA_KEY_BLOB_LENGTH)))
#define HA_LEX_CREATE_TMP_TABLE 1
#define HA_CREATE_TMP_ALTER 8
@ -3371,14 +3377,14 @@ public:
uint max_key_parts() const
{ return MY_MIN(MAX_REF_PARTS, max_supported_key_parts()); }
uint max_key_length() const
{ return MY_MIN(MAX_KEY_LENGTH, max_supported_key_length()); }
{ return MY_MIN(MAX_DATA_LENGTH_FOR_KEY, max_supported_key_length()); }
uint max_key_part_length() const
{ return MY_MIN(MAX_KEY_LENGTH, max_supported_key_part_length()); }
{ return MY_MIN(MAX_DATA_LENGTH_FOR_KEY, max_supported_key_part_length()); }
virtual uint max_supported_record_length() const { return HA_MAX_REC_LENGTH; }
virtual uint max_supported_keys() const { return 0; }
virtual uint max_supported_key_parts() const { return MAX_REF_PARTS; }
virtual uint max_supported_key_length() const { return MAX_KEY_LENGTH; }
virtual uint max_supported_key_length() const { return MAX_DATA_LENGTH_FOR_KEY; }
virtual uint max_supported_key_part_length() const { return 255; }
virtual uint min_record_length(uint options) const { return 1; }