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Merge 10.2 into 10.3

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Marko Mäkelä
2019-05-29 11:32:46 +03:00
parent fcb68ffe3d 6eefeb6fea
commit 90a9193685
90 changed files with 1990 additions and 470 deletions
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8
sql/sql_const.h
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@ -243,6 +243,14 @@
#define DISK_TEMPTABLE_LOOKUP_COST 1.0
#define SORT_INDEX_CMP_COST 0.02
#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). */