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Merge 10.1 into 10.2

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This commit is contained in:
Marko Mäkelä 2019-05-28 15:56:24 +03:00
commit d59e15bdb9
37 changed files with 1498 additions and 297 deletions
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8
sql/sql_const.h
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@ -236,6 +236,14 @@
#define HEAP_TEMPTABLE_LOOKUP_COST 0.05
#define DISK_TEMPTABLE_LOOKUP_COST 1.0
#define COST_MAX (DBL_MAX * (1.0 - DBL_EPSILON))
#define COST_ADD(c,d) (COST_MAX - (d) > (c) ? (c) + (d) : COST_MAX)
#define COST_MULT(c,f) (COST_MAX / (f) > (c) ? (c) * (f) : COST_MAX)
#define MY_CHARSET_BIN_MB_MAXLEN 1
/** Don't pack string keys shorter than this (if PACK_KEYS=1 isn't used). */