xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

update fst struct

This commit is contained in:
yihaoDeng 2021-11-21 23:15:44 +08:00
parent 3322eb5ffa
commit 59cc5e4212
4 changed files with 16 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
source/libs/index/inc/index_fst.h
View File

@ -20,6 +20,7 @@
#include "tarray.h"
#include "index_fst_util.h"
#include "index_fst_registry.h"
#include "index_fst_counting_writer.h"
typedef struct FstNode FstNode;
@ -35,7 +36,6 @@ typedef struct FstRange {
typedef enum { OneTransNext, OneTrans, AnyTrans, EmptyFinal} State;
typedef enum { Included, Excluded, Unbounded} FstBound;
typedef uint32_t CheckSummer;
/*
@ -60,11 +60,6 @@ void fstUnFinishedNodesAddSuffix(FstUnFinishedNodes *node, FstSlice bs, Output o
uint64_t fstUnFinishedNodesFindCommPrefix(FstUnFinishedNodes *node, FstSlice bs);
uint64_t FstUnFinishedNodesFindCommPreifxAndSetOutput(FstUnFinishedNodes *node, FstSlice bs, Output in, Output *out);
typedef struct FstCountingWriter {
void* wtr; // wrap any writer that counts and checksum bytes written
uint64_t count;
CheckSummer summer;
} FstCountingWriter;
typedef struct FstBuilder {
FstCountingWriter wtr; // The FST raw data is written directly to `wtr`.

2
source/libs/index/src/index_fst.c
View File

@ -275,8 +275,6 @@ bool fstNodeCompile(FstNode *node, void *w, CompiledAddr lastAddr, CompiledAddr
}
FstBuilder *fstBuilderCreate(void *w, FstType ty) {
FstBuilder *b = malloc(sizeof(FstBuilder));
if (NULL == b) { return b; }

9
source/libs/index/src/index_fst_node.c
View File

@ -26,14 +26,13 @@ FstBuilderNode *fstBuilderNodeClone(FstBuilderNode *src) {
FstBuilderNode *node = malloc(sizeof(FstBuilderNode));
if (node == NULL) { return NULL; }
//
size_t sz = taosArrayGetSize(src->trans);
SArray *trans = taosArrayInit(sz, sizeof(FstTransition));
for (size_t i = 0; i < sz; i++) {
FstTransition *tran = taosArrayGet(src->trans, i);
FstTransition t = *tran;
taosArrayPush(trans, &t);
taosArrayPush(trans, tran);
}
node->trans = trans;
@ -48,8 +47,10 @@ void fstBuilderNodeCloneFrom(FstBuilderNode *dst, FstBuilderNode *src) {
dst->isFinal = src->isFinal;
dst->finalOutput = src->finalOutput;
dst->trans = src->trans;
// avoid mem leak
taosArrayDestroy(dst->trans);
dst->trans = src->trans;
src->trans = NULL;
}

13
source/libs/index/src/index_fst_registry.c
View File

@ -32,6 +32,7 @@ uint64_t fstRegistryHash(FstRegistry *registry, FstBuilderNode *bNode) {
h = (h ^ (uint64_t)(trn->addr))* FNV_PRIME;
}
return h %(registry->tableSize);
}
static void fstRegistryCellSwap(SArray *arr, uint32_t a, uint32_t b) {
size_t sz = taosArrayGetSize(arr);
@ -72,10 +73,14 @@ FstRegistry* fstRegistryCreate(uint64_t tableSize, uint64_t mruSize) {
uint64_t nCells = tableSize * mruSize;
SArray* tb = (SArray *)taosArrayInit(nCells, sizeof(FstRegistryCell));
if (NULL == tb) {
free(registry);
return NULL;
}
for (uint64_t i = 0; i < nCells; i++) {
FstRegistryCell *cell = taosArrayGet(tb, i);
cell->addr = NONE_ADDRESS;
cell->node = fstBuilderNodeDefault();
FstRegistryCell cell = {.addr = NONE_ADDRESS, .node = fstBuilderNodeDefault()};
taosArrayPush(tb, &cell);
}
registry->table = tb;
@ -101,8 +106,6 @@ FstRegistryEntry *fstRegistryGetEntry(FstRegistry *registry, FstBuilderNode *bNo
entry->addr = cell->addr ;
return entry;
} else {
// clone from bNode, refactor later
//
fstBuilderNodeCloneFrom(cell->node, bNode);
entry->state = NOTFOUND;
entry->cell = cell; // copy or not