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Prepare JSON as valid histogram_type

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Signed-off-by: Michael Okoko <okokomichaels@outlook.com>
This commit is contained in:
Michael Okoko
2021-06-09 20:39:50 +01:00
committed by Sergei Petrunia
parent e222e44d1b
commit 2aca7b0c33
4 changed files with 18 additions and 8 deletions
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12
sql/sql_statistics.h
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@ -42,7 +42,8 @@ typedef
enum enum_histogram_type
{
SINGLE_PREC_HB,
DOUBLE_PREC_HB
DOUBLE_PREC_HB,
JSON
} Histogram_type;
enum enum_stat_tables
@ -154,6 +155,7 @@ private:
case SINGLE_PREC_HB:
return ((uint) (1 << 8) - 1);
case DOUBLE_PREC_HB:
case JSON:
return ((uint) (1 << 16) - 1);
}
return 1;
@ -166,6 +168,7 @@ public:
case SINGLE_PREC_HB:
return size;
case DOUBLE_PREC_HB:
case JSON:
return size / 2;
}
return 0;
@ -179,6 +182,7 @@ private:
case SINGLE_PREC_HB:
return (uint) (((uint8 *) values)[i]);
case DOUBLE_PREC_HB:
case JSON:
return (uint) uint2korr(values + i * 2);
}
return 0;
@ -253,7 +257,8 @@ public:
void set_value(uint i, double val)
{
switch (type) {
case SINGLE_PREC_HB:
case SINGLE_PREC_HB:
case JSON:
((uint8 *) values)[i]= (uint8) (val * prec_factor());
return;
case DOUBLE_PREC_HB:
@ -265,7 +270,8 @@ public:
void set_prev_value(uint i)
{
switch (type) {
case SINGLE_PREC_HB:
case SINGLE_PREC_HB:
case JSON:
((uint8 *) values)[i]= ((uint8 *) values)[i-1];
return;
case DOUBLE_PREC_HB: