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dc7f020a
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体验新版 GitCode,发现更多精彩内容 >>
未验证
提交
dc7f020a
编写于
6月 15, 2021
作者:
H
haojun Liao
提交者:
GitHub
6月 15, 2021
浏览文件
操作
浏览文件
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差异文件
Merge pull request #6454 from taosdata/feature/TD-4614
[TD-4614]: add equal func to hashTable
上级
0b3795c4
0072965e
变更
11
隐藏空白更改
内联
并排
Showing
11 changed file
with
138 addition
and
49 deletion
+138
-49
src/client/src/tscSQLParser.c
src/client/src/tscSQLParser.c
+10
-12
src/common/src/texpr.c
src/common/src/texpr.c
+3
-0
src/inc/taosdef.h
src/inc/taosdef.h
+1
-1
src/query/src/qExecutor.c
src/query/src/qExecutor.c
+16
-8
src/query/src/qFilterfunc.c
src/query/src/qFilterfunc.c
+1
-1
src/util/inc/hash.h
src/util/inc/hash.h
+10
-0
src/util/inc/hashfunc.h
src/util/inc/hashfunc.h
+8
-1
src/util/inc/tcompare.h
src/util/inc/tcompare.h
+7
-0
src/util/src/hash.c
src/util/src/hash.c
+13
-7
src/util/src/tcompare.c
src/util/src/tcompare.c
+6
-12
src/util/src/thashutil.c
src/util/src/thashutil.c
+63
-7
未找到文件。
src/client/src/tscSQLParser.c
浏览文件 @
dc7f020a
...
...
@@ -150,12 +150,9 @@ int16_t getNewResColId(SSqlCmd* pCmd) {
// formate "type | size | value"
bool
serializeExprListToVariant
(
SArray
*
pList
,
tVariant
**
dst
,
int16_t
colType
)
{
bool
ret
=
false
;
if
(
!
pList
||
pList
->
size
<=
0
)
{
if
(
!
pList
||
pList
->
size
<=
0
||
colType
<
0
)
{
return
ret
;
}
if
(
colType
==
TSDB_DATA_TYPE_DOUBLE
||
colType
==
TSDB_DATA_TYPE_FLOAT
)
{
return
ret
;
}
tSqlExprItem
*
item
=
(
tSqlExprItem
*
)
taosArrayGet
(
pList
,
0
);
int32_t
firstTokenType
=
item
->
pNode
->
token
.
type
;
...
...
@@ -4562,11 +4559,7 @@ static int32_t validateTagCondExpr(SSqlCmd* pCmd, tExprNode *p) {
free
(
tmp
);
}
else
{
double
tmp
;
if
(
p
->
_node
.
optr
==
TSDB_RELATION_IN
)
{
retVal
=
validateParamOfRelationIn
(
vVariant
,
schemaType
);
}
else
{
retVal
=
tVariantDump
(
vVariant
,
(
char
*
)
&
tmp
,
schemaType
,
false
);
}
retVal
=
tVariantDump
(
vVariant
,
(
char
*
)
&
tmp
,
schemaType
,
false
);
}
if
(
retVal
!=
TSDB_CODE_SUCCESS
)
{
...
...
@@ -8065,18 +8058,23 @@ int32_t exprTreeFromSqlExpr(SSqlCmd* pCmd, tExprNode **pExpr, const tSqlExpr* pS
return
TSDB_CODE_SUCCESS
;
}
else
if
(
pSqlExpr
->
tokenId
==
TK_SET
)
{
int32_t
t
ype
=
-
1
;
int32_t
colT
ype
=
-
1
;
STableMeta
*
pTableMeta
=
tscGetMetaInfo
(
pQueryInfo
,
0
)
->
pTableMeta
;
if
(
pCols
!=
NULL
)
{
SColIndex
*
idx
=
taosArrayGet
(
pCols
,
0
);
SSchema
*
pSchema
=
tscGetTableColumnSchema
(
pTableMeta
,
idx
->
colIndex
);
if
(
pSchema
!=
NULL
)
{
t
ype
=
pSchema
->
type
;
colT
ype
=
pSchema
->
type
;
}
}
tVariant
*
pVal
;
if
(
serializeExprListToVariant
(
pSqlExpr
->
pParam
,
&
pVal
,
type
)
==
false
)
{
if
(
colType
>=
TSDB_DATA_TYPE_TINYINT
&&
colType
<=
TSDB_DATA_TYPE_BIGINT
)
{
colType
=
TSDB_DATA_TYPE_BIGINT
;
}
else
if
(
colType
==
TSDB_DATA_TYPE_FLOAT
||
colType
==
TSDB_DATA_TYPE_DOUBLE
)
{
colType
=
TSDB_DATA_TYPE_DOUBLE
;
}
if
(
serializeExprListToVariant
(
pSqlExpr
->
pParam
,
&
pVal
,
colType
)
==
false
)
{
return
invalidOperationMsg
(
tscGetErrorMsgPayload
(
pCmd
),
"not support filter expression"
);
}
*
pExpr
=
calloc
(
1
,
sizeof
(
tExprNode
));
...
...
src/common/src/texpr.c
浏览文件 @
dc7f020a
...
...
@@ -470,6 +470,9 @@ void buildFilterSetFromBinary(void **q, const char *buf, int32_t len) {
SBufferReader
br
=
tbufInitReader
(
buf
,
len
,
false
);
uint32_t
type
=
tbufReadUint32
(
&
br
);
SHashObj
*
pObj
=
taosHashInit
(
256
,
taosGetDefaultHashFunction
(
type
),
true
,
false
);
taosHashSetEqualFp
(
pObj
,
taosGetDefaultEqualFunction
(
type
));
int
dummy
=
-
1
;
int32_t
sz
=
tbufReadInt32
(
&
br
);
for
(
int32_t
i
=
0
;
i
<
sz
;
i
++
)
{
...
...
src/inc/taosdef.h
浏览文件 @
dc7f020a
...
...
@@ -166,7 +166,7 @@ do { \
#define TSDB_BINARY_OP_REMAINDER 34
#define IS_RELATION_OPTR(op) (((op) >= TSDB_RELATION_LESS) && ((op) <
=
TSDB_RELATION_IN))
#define IS_RELATION_OPTR(op) (((op) >= TSDB_RELATION_LESS) && ((op) < TSDB_RELATION_IN))
#define IS_ARITHMETIC_OPTR(op) (((op) >= TSDB_BINARY_OP_ADD) && ((op) <= TSDB_BINARY_OP_REMAINDER))
#define TS_PATH_DELIMITER_LEN 1
...
...
src/query/src/qExecutor.c
浏览文件 @
dc7f020a
...
...
@@ -2282,7 +2282,7 @@ static bool doFilterByBlockStatistics(SQueryRuntimeEnv* pRuntimeEnv, SDataStatis
if
(
pDataStatis
==
NULL
||
pQueryAttr
->
numOfFilterCols
==
0
)
{
return
true
;
}
bool
ret
=
true
;
for
(
int32_t
k
=
0
;
k
<
pQueryAttr
->
numOfFilterCols
;
++
k
)
{
SSingleColumnFilterInfo
*
pFilterInfo
=
&
pQueryAttr
->
pFilterInfo
[
k
];
...
...
@@ -2319,26 +2319,34 @@ static bool doFilterByBlockStatistics(SQueryRuntimeEnv* pRuntimeEnv, SDataStatis
}
SDataStatis
*
pDataBlockst
=
&
pDataStatis
[
index
];
if
(
pFilterInfo
->
info
.
type
==
TSDB_DATA_TYPE_FLOAT
)
{
float
minval
=
(
float
)(
*
(
double
*
)(
&
pDataBlockst
->
min
));
float
maxval
=
(
float
)(
*
(
double
*
)(
&
pDataBlockst
->
max
));
for
(
int32_t
i
=
0
;
i
<
pFilterInfo
->
numOfFilters
;
++
i
)
{
if
(
pFilterInfo
->
pFilters
[
i
].
fp
(
&
pFilterInfo
->
pFilters
[
i
],
(
char
*
)
&
minval
,
(
char
*
)
&
maxval
,
TSDB_DATA_TYPE_FLOAT
))
{
return
true
;
if
(
pFilterInfo
->
pFilters
[
i
].
filterInfo
.
lowerRelOptr
==
TSDB_RELATION_IN
)
{
continue
;
}
ret
&=
pFilterInfo
->
pFilters
[
i
].
fp
(
&
pFilterInfo
->
pFilters
[
i
],
(
char
*
)
&
minval
,
(
char
*
)
&
maxval
,
TSDB_DATA_TYPE_FLOAT
);
if
(
ret
==
false
)
{
return
false
;
}
}
}
else
{
for
(
int32_t
i
=
0
;
i
<
pFilterInfo
->
numOfFilters
;
++
i
)
{
if
(
pFilterInfo
->
pFilters
[
i
].
fp
(
&
pFilterInfo
->
pFilters
[
i
],
(
char
*
)
&
pDataBlockst
->
min
,
(
char
*
)
&
pDataBlockst
->
max
,
pFilterInfo
->
info
.
type
))
{
return
true
;
if
(
pFilterInfo
->
pFilters
[
i
].
filterInfo
.
lowerRelOptr
==
TSDB_RELATION_IN
)
{
continue
;
}
ret
&=
pFilterInfo
->
pFilters
[
i
].
fp
(
&
pFilterInfo
->
pFilters
[
i
],
(
char
*
)
&
pDataBlockst
->
min
,
(
char
*
)
&
pDataBlockst
->
max
,
pFilterInfo
->
info
.
type
);
if
(
ret
==
false
)
{
return
false
;
}
}
}
}
return
false
;
return
ret
;
}
static
bool
overlapWithTimeWindow
(
SQueryAttr
*
pQueryAttr
,
SDataBlockInfo
*
pBlockInfo
)
{
...
...
src/query/src/qFilterfunc.c
浏览文件 @
dc7f020a
...
...
@@ -262,7 +262,7 @@ bool inOperator(SColumnFilterElem *pFilter, const char* minval, const char* maxv
return
NULL
!=
taosHashGet
((
SHashObj
*
)
pFilter
->
q
,
(
char
*
)
&
minv
,
sizeof
(
minv
));
}
return
true
;
}
else
if
(
type
==
TSDB_DATA_TYPE_DOUBLE
||
type
==
TSDB_DATA_TYPE_
DOUBLE
)
{
}
else
if
(
type
==
TSDB_DATA_TYPE_DOUBLE
||
type
==
TSDB_DATA_TYPE_
FLOAT
)
{
double
v
;
GET_TYPED_DATA
(
v
,
double
,
type
,
minval
);
return
NULL
!=
taosHashGet
((
SHashObj
*
)
pFilter
->
q
,
(
char
*
)
&
v
,
sizeof
(
v
));
...
...
src/util/inc/hash.h
浏览文件 @
dc7f020a
...
...
@@ -61,6 +61,7 @@ typedef struct SHashObj {
size_t
size
;
// number of elements in hash table
_hash_fn_t
hashFp
;
// hash function
_hash_free_fn_t
freeFp
;
// hash node free callback function
_equal_fn_t
equalFp
;
// equal function
SRWLatch
lock
;
// read-write spin lock
SHashLockTypeE
type
;
// lock type
...
...
@@ -78,6 +79,15 @@ typedef struct SHashObj {
*/
SHashObj
*
taosHashInit
(
size_t
capacity
,
_hash_fn_t
fn
,
bool
update
,
SHashLockTypeE
type
);
/**
* set equal func of the hash table
* @param pHashObj
* @param equalFp
* @return
*/
void
taosHashSetEqualFp
(
SHashObj
*
pHashObj
,
_equal_fn_t
fp
);
/**
* return the size of hash table
* @param pHashObj
...
...
src/util/inc/hashfunc.h
浏览文件 @
dc7f020a
...
...
@@ -20,6 +20,8 @@
typedef
uint32_t
(
*
_hash_fn_t
)(
const
char
*
,
uint32_t
);
typedef
int32_t
(
*
_equal_fn_t
)(
const
void
*
a
,
const
void
*
b
,
size_t
sz
);
/**
* murmur hash algorithm
* @key usually string
...
...
@@ -36,9 +38,14 @@ uint32_t MurmurHash3_32(const char *key, uint32_t len);
* @return
*/
uint32_t
taosIntHash_32
(
const
char
*
key
,
uint32_t
len
);
uint32_t
taosIntHash_64
(
const
char
*
key
,
uint32_t
len
);
int32_t
taosFloatEqual
(
const
void
*
a
,
const
void
*
b
,
size_t
sz
);
int32_t
taosDoubleEqual
(
const
void
*
a
,
const
void
*
b
,
size_t
sz
);
_hash_fn_t
taosGetDefaultHashFunction
(
int32_t
type
);
_equal_fn_t
taosGetDefaultEqualFunction
(
int32_t
type
);
#endif //TDENGINE_HASHUTIL_H
src/util/inc/tcompare.h
浏览文件 @
dc7f020a
...
...
@@ -27,6 +27,13 @@ extern "C" {
#define TSDB_PATTERN_NOWILDCARDMATCH 2
#define TSDB_PATTERN_STRING_MAX_LEN 20
#define FLT_COMPAR_TOL_FACTOR 4
#define FLT_EQUAL(_x, _y) (fabs((_x) - (_y)) <= (FLT_COMPAR_TOL_FACTOR * FLT_EPSILON))
#define FLT_GREATER(_x, _y) (!FLT_EQUAL((_x), (_y)) && ((_x) > (_y)))
#define FLT_LESS(_x, _y) (!FLT_EQUAL((_x), (_y)) && ((_x) < (_y)))
#define FLT_GREATEREQUAL(_x, _y) (FLT_EQUAL((_x), (_y)) || ((_x) > (_y)))
#define FLT_LESSEQUAL(_x, _y) (FLT_EQUAL((_x), (_y)) || ((_x) < (_y)))
#define PATTERN_COMPARE_INFO_INITIALIZER { '%', '_' }
typedef
struct
SPatternCompareInfo
{
...
...
src/util/src/hash.c
浏览文件 @
dc7f020a
...
...
@@ -73,10 +73,10 @@ static FORCE_INLINE int32_t taosHashCapacity(int32_t length) {
return
i
;
}
static
FORCE_INLINE
SHashNode
*
doSearchInEntryList
(
SHashEntry
*
pe
,
const
void
*
key
,
size_t
keyLen
,
uint32_t
hashVal
)
{
static
FORCE_INLINE
SHashNode
*
doSearchInEntryList
(
SHash
Obj
*
pHashObj
,
SHash
Entry
*
pe
,
const
void
*
key
,
size_t
keyLen
,
uint32_t
hashVal
)
{
SHashNode
*
pNode
=
pe
->
next
;
while
(
pNode
)
{
if
((
pNode
->
keyLen
==
keyLen
)
&&
(
memcmp
(
GET_HASH_NODE_KEY
(
pNode
),
key
,
keyLen
)
==
0
)
&&
pNode
->
removed
==
0
)
{
if
((
pNode
->
keyLen
==
keyLen
)
&&
(
(
*
(
pHashObj
->
equalFp
))
(
GET_HASH_NODE_KEY
(
pNode
),
key
,
keyLen
)
==
0
)
&&
pNode
->
removed
==
0
)
{
assert
(
pNode
->
hashVal
==
hashVal
);
break
;
}
...
...
@@ -165,8 +165,8 @@ SHashObj *taosHashInit(size_t capacity, _hash_fn_t fn, bool update, SHashLockTyp
// the max slots is not defined by user
pHashObj
->
capacity
=
taosHashCapacity
((
int32_t
)
capacity
);
assert
((
pHashObj
->
capacity
&
(
pHashObj
->
capacity
-
1
))
==
0
);
pHashObj
->
hashFp
=
fn
;
pHashObj
->
equalFp
=
memcmp
;
pHashObj
->
hashFp
=
fn
;
pHashObj
->
type
=
type
;
pHashObj
->
enableUpdate
=
update
;
...
...
@@ -189,6 +189,12 @@ SHashObj *taosHashInit(size_t capacity, _hash_fn_t fn, bool update, SHashLockTyp
return
pHashObj
;
}
void
taosHashSetEqualFp
(
SHashObj
*
pHashObj
,
_equal_fn_t
fp
)
{
if
(
pHashObj
!=
NULL
&&
fp
!=
NULL
)
{
pHashObj
->
equalFp
=
fp
;
}
}
int32_t
taosHashGetSize
(
const
SHashObj
*
pHashObj
)
{
return
(
int32_t
)((
pHashObj
==
NULL
)
?
0
:
pHashObj
->
size
);
}
int32_t
taosHashPut
(
SHashObj
*
pHashObj
,
const
void
*
key
,
size_t
keyLen
,
void
*
data
,
size_t
size
)
{
...
...
@@ -223,7 +229,7 @@ int32_t taosHashPut(SHashObj *pHashObj, const void *key, size_t keyLen, void *da
SHashNode
*
prev
=
NULL
;
while
(
pNode
)
{
if
((
pNode
->
keyLen
==
keyLen
)
&&
(
memcmp
(
GET_HASH_NODE_KEY
(
pNode
),
key
,
keyLen
)
==
0
)
&&
pNode
->
removed
==
0
)
{
if
((
pNode
->
keyLen
==
keyLen
)
&&
(
(
*
(
pHashObj
->
equalFp
))
(
GET_HASH_NODE_KEY
(
pNode
),
key
,
keyLen
)
==
0
)
&&
pNode
->
removed
==
0
)
{
assert
(
pNode
->
hashVal
==
hashVal
);
break
;
}
...
...
@@ -306,7 +312,7 @@ void* taosHashGetClone(SHashObj *pHashObj, const void *key, size_t keyLen, void
assert
(
pe
->
next
==
NULL
);
}
SHashNode
*
pNode
=
doSearchInEntryList
(
pe
,
key
,
keyLen
,
hashVal
);
SHashNode
*
pNode
=
doSearchInEntryList
(
p
HashObj
,
p
e
,
key
,
keyLen
,
hashVal
);
if
(
pNode
!=
NULL
)
{
if
(
fp
!=
NULL
)
{
fp
(
GET_HASH_NODE_DATA
(
pNode
));
...
...
@@ -362,7 +368,7 @@ int32_t taosHashRemoveWithData(SHashObj *pHashObj, const void *key, size_t keyLe
SHashNode
*
prevNode
=
NULL
;
while
(
pNode
)
{
if
((
pNode
->
keyLen
==
keyLen
)
&&
(
memcmp
(
GET_HASH_NODE_KEY
(
pNode
),
key
,
keyLen
)
==
0
)
&&
pNode
->
removed
==
0
)
if
((
pNode
->
keyLen
==
keyLen
)
&&
(
(
*
(
pHashObj
->
equalFp
))
(
GET_HASH_NODE_KEY
(
pNode
),
key
,
keyLen
)
==
0
)
&&
pNode
->
removed
==
0
)
break
;
prevNode
=
pNode
;
...
...
src/util/src/tcompare.c
浏览文件 @
dc7f020a
...
...
@@ -90,13 +90,10 @@ int32_t compareFloatVal(const void *pLeft, const void *pRight) {
if
(
isnan
(
p2
))
{
return
1
;
}
float
ret
=
p1
-
p2
;
if
(
fabs
(
ret
)
<
FLT_EPSILON
)
{
if
(
FLT_EQUAL
(
p1
,
p2
))
{
return
0
;
}
else
{
return
ret
>
0
?
1
:
-
1
;
}
}
return
FLT_GREATER
(
p1
,
p2
)
?
1
:
-
1
;
}
int32_t
compareDoubleVal
(
const
void
*
pLeft
,
const
void
*
pRight
)
{
...
...
@@ -114,13 +111,10 @@ int32_t compareDoubleVal(const void *pLeft, const void *pRight) {
if
(
isnan
(
p2
))
{
return
1
;
}
double
ret
=
p1
-
p2
;
if
(
fabs
(
ret
)
<
FLT_EPSILON
)
{
if
(
FLT_EQUAL
(
p1
,
p2
))
{
return
0
;
}
else
{
return
ret
>
0
?
1
:
-
1
;
}
}
return
FLT_GREATER
(
p1
,
p2
)
?
1
:
-
1
;
}
int32_t
compareLenPrefixedStr
(
const
void
*
pLeft
,
const
void
*
pRight
)
{
...
...
src/util/src/thashutil.c
浏览文件 @
dc7f020a
...
...
@@ -16,17 +16,20 @@
#include "os.h"
#include "hashfunc.h"
#include "tutil.h"
#include "tcompare.h"
#define ROTL32(x, r) ((x) << (r) | (x) >> (32u - (r)))
#define DLT (FLT_COMPAR_TOL_FACTOR * FLT_EPSILON)
#define BASE 1000
#define FMIX32(h) \
do { \
(h) ^= (h) >> 16; \
(h) *= 0x85ebca6b; \
(h) ^= (h) >> 13; \
(h) *= 0xc2b2ae35; \
(h) ^= (h) >> 16; \
} while (0)
(h) ^= (h) >> 16; } while (0)
uint32_t
MurmurHash3_32
(
const
char
*
key
,
uint32_t
len
)
{
const
uint8_t
*
data
=
(
const
uint8_t
*
)
key
;
...
...
@@ -78,7 +81,38 @@ uint32_t MurmurHash3_32(const char *key, uint32_t len) {
uint32_t
taosIntHash_32
(
const
char
*
key
,
uint32_t
UNUSED_PARAM
(
len
))
{
return
*
(
uint32_t
*
)
key
;
}
uint32_t
taosIntHash_16
(
const
char
*
key
,
uint32_t
UNUSED_PARAM
(
len
))
{
return
*
(
uint16_t
*
)
key
;
}
uint32_t
taosIntHash_8
(
const
char
*
key
,
uint32_t
UNUSED_PARAM
(
len
))
{
return
*
(
uint8_t
*
)
key
;
}
uint32_t
taosFloatHash
(
const
char
*
key
,
uint32_t
UNUSED_PARAM
(
len
))
{
float
f
=
GET_FLOAT_VAL
(
key
);
if
(
isnan
(
f
))
{
return
0x7fc00000
;
}
if
(
FLT_EQUAL
(
f
,
0
.
0
))
{
return
0
;
}
if
(
fabs
(
f
)
<
FLT_MAX
/
BASE
-
DLT
)
{
int
t
=
(
int
)(
round
(
BASE
*
(
f
+
DLT
)));
return
(
uint32_t
)
t
;
}
else
{
return
0x7fc00000
;
}
}
uint32_t
taosDoubleHash
(
const
char
*
key
,
uint32_t
UNUSED_PARAM
(
len
))
{
double
f
=
GET_DOUBLE_VAL
(
key
);
if
(
isnan
(
f
))
{
return
0x7fc00000
;
}
if
(
FLT_EQUAL
(
f
,
0
.
0
))
{
return
0
;
}
if
(
fabs
(
f
)
<
DBL_MAX
/
BASE
-
DLT
)
{
int
t
=
(
int
)(
round
(
BASE
*
(
f
+
DLT
)));
return
(
uint32_t
)
t
;
}
else
{
return
0x7fc00000
;
}
}
uint32_t
taosIntHash_64
(
const
char
*
key
,
uint32_t
UNUSED_PARAM
(
len
))
{
uint64_t
val
=
*
(
uint64_t
*
)
key
;
...
...
@@ -92,13 +126,35 @@ _hash_fn_t taosGetDefaultHashFunction(int32_t type) {
_hash_fn_t
fn
=
NULL
;
switch
(
type
)
{
case
TSDB_DATA_TYPE_TIMESTAMP
:
case
TSDB_DATA_TYPE_BIGINT
:
fn
=
taosIntHash_64
;
break
;
case
TSDB_DATA_TYPE_BINARY
:
fn
=
MurmurHash3_32
;
break
;
case
TSDB_DATA_TYPE_INT
:
fn
=
taosIntHash_32
;
break
;
case
TSDB_DATA_TYPE_BIGINT
:
fn
=
taosIntHash_64
;
break
;
case
TSDB_DATA_TYPE_BINARY
:
fn
=
MurmurHash3_32
;
break
;
case
TSDB_DATA_TYPE_NCHAR
:
fn
=
MurmurHash3_32
;
break
;
case
TSDB_DATA_TYPE_INT
:
fn
=
taosIntHash_32
;
break
;
case
TSDB_DATA_TYPE_SMALLINT
:
fn
=
taosIntHash_16
;
break
;
case
TSDB_DATA_TYPE_TINYINT
:
fn
=
taosIntHash_8
;
break
;
case
TSDB_DATA_TYPE_TINYINT
:
fn
=
taosIntHash_8
;
break
;
case
TSDB_DATA_TYPE_FLOAT
:
fn
=
taosFloatHash
;
break
;
case
TSDB_DATA_TYPE_DOUBLE
:
fn
=
taosDoubleHash
;
break
;
default:
fn
=
taosIntHash_32
;
break
;
}
return
fn
;
}
\ No newline at end of file
}
int32_t
taosFloatEqual
(
const
void
*
a
,
const
void
*
b
,
size_t
UNUSED_PARAM
(
sz
))
{
return
getComparFunc
(
TSDB_DATA_TYPE_FLOAT
,
-
1
)(
a
,
b
);
}
int32_t
taosDoubleEqual
(
const
void
*
a
,
const
void
*
b
,
size_t
UNUSED_PARAM
(
sz
))
{
return
getComparFunc
(
TSDB_DATA_TYPE_DOUBLE
,
-
1
)(
a
,
b
);
}
_equal_fn_t
taosGetDefaultEqualFunction
(
int32_t
type
)
{
_equal_fn_t
fn
=
NULL
;
switch
(
type
)
{
case
TSDB_DATA_TYPE_FLOAT
:
fn
=
taosFloatEqual
;
break
;
case
TSDB_DATA_TYPE_DOUBLE
:
fn
=
taosDoubleEqual
;
break
;
default:
fn
=
memcmp
;
break
;
}
return
fn
;
}
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