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feat: adjust query stmt APIs

This commit is contained in:
Xiaoyu Wang 2022-05-12 20:33:52 +08:00
parent fed7f17040
commit b57f62f139
8 changed files with 138 additions and 15 deletions
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1
include/libs/nodes/querynodes.h
View File

@ -324,6 +324,7 @@ typedef struct SQuery {
SArray* pTableList;
bool showRewrite;
int32_t placeholderNum;
SArray* pPlaceholderValues;
} SQuery;
void nodesWalkSelectStmt(SSelectStmt* pSelect, ESqlClause clause, FNodeWalker walker, void* pContext);

18
include/libs/parser/parser.h
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@ -47,21 +47,23 @@ typedef struct SParseContext {
bool isSuperUser;
} SParseContext;
int32_t qParseQuerySql(SParseContext* pCxt, SQuery** pQuery);
int32_t qParseSql(SParseContext* pCxt, SQuery** pQuery);
bool isInsertSql(const char* pStr, size_t length);
void qDestroyQuery(SQuery* pQueryNode);
int32_t qExtractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pSchema);
int32_t qBuildStmtOutput(SQuery* pQuery, SHashObj* pVgHash, SHashObj* pBlockHash);
int32_t qResetStmtDataBlock(void* block, bool keepBuf);
int32_t qCloneStmtDataBlock(void** pDst, void* pSrc);
void qFreeStmtDataBlock(void* pDataBlock);
int32_t qRebuildStmtDataBlock(void** pDst, void* pSrc, uint64_t uid, int32_t vgId);
void qDestroyStmtDataBlock(void* pBlock);
STableMeta *qGetTableMetaInDataBlock(void* pDataBlock);
int32_t qBuildStmtOutput(SQuery* pQuery, SHashObj* pVgHash, SHashObj* pBlockHash);
int32_t qResetStmtDataBlock(void* block, bool keepBuf);
int32_t qCloneStmtDataBlock(void** pDst, void* pSrc);
void qFreeStmtDataBlock(void* pDataBlock);
int32_t qRebuildStmtDataBlock(void** pDst, void* pSrc, uint64_t uid, int32_t vgId);
void qDestroyStmtDataBlock(void* pBlock);
STableMeta* qGetTableMetaInDataBlock(void* pDataBlock);
int32_t qStmtBindParams(SQuery* pQuery, TAOS_MULTI_BIND* pParams, int32_t colIdx, uint64_t queryId);
int32_t qStmtParseQuerySql(SParseContext* pCxt, SQuery* pQuery);
int32_t qBindStmtColsValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen);
int32_t qBindStmtSingleColValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen, int32_t colIdx,
int32_t rowNum);

6
source/client/src/clientImpl.c
View File

@ -180,7 +180,7 @@ int32_t parseSql(SRequestObj* pRequest, bool topicQuery, SQuery** pQuery, SStmtC
return code;
}
code = qParseQuerySql(&cxt, pQuery);
code = qParseSql(&cxt, pQuery);
if (TSDB_CODE_SUCCESS == code) {
if ((*pQuery)->haveResultSet) {
setResSchemaInfo(&pRequest->body.resInfo, (*pQuery)->pResSchema, (*pQuery)->numOfResCols);
@ -554,8 +554,8 @@ static SMsgSendInfo* buildConnectMsg(SRequestObj* pRequest) {
}
taosMemoryFreeClear(db);
connectReq.connType = pObj->connType;
connectReq.pid = htonl(appInfo.pid);
connectReq.connType = pObj->connType;
connectReq.pid = htonl(appInfo.pid);
connectReq.startTime = htobe64(appInfo.startTime);
tstrncpy(connectReq.app, appInfo.appName, sizeof(connectReq.app));

1
source/libs/parser/inc/parAst.h
View File

@ -32,6 +32,7 @@ typedef struct SAstCreateContext {
bool notSupport;
SNode* pRootNode;
int16_t placeholderNo;
SArray* pPlaceholderValues;
int32_t errCode;
} SAstCreateContext;

8
source/libs/parser/src/parAstCreater.c
View File

@ -299,6 +299,14 @@ SNode* createPlaceholderValueNode(SAstCreateContext* pCxt, const SToken* pLitera
val->literal = strndup(pLiteral->z, pLiteral->n);
CHECK_OUT_OF_MEM(val->literal);
val->placeholderNo = ++pCxt->placeholderNo;
if (NULL == pCxt->pPlaceholderValues) {
pCxt->pPlaceholderValues = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
if (NULL == pCxt->pPlaceholderValues) {
nodesDestroyNode(val);
return NULL;
}
}
taosArrayPush(pCxt->pPlaceholderValues, &val);
return (SNode*)val;
}

2
source/libs/parser/src/parAstParser.c
View File

@ -81,6 +81,8 @@ abort_parse:
}
(*pQuery)->pRoot = cxt.pRootNode;
(*pQuery)->placeholderNum = cxt.placeholderNo;
TSWAP((*pQuery)->pPlaceholderValues, cxt.pPlaceholderValues);
}
taosArrayDestroy(cxt.pPlaceholderValues);
return cxt.errCode;
}

115
source/libs/parser/src/parser.c
View File

@ -39,16 +39,99 @@ static int32_t parseSqlIntoAst(SParseContext* pCxt, SQuery** pQuery) {
if (TSDB_CODE_SUCCESS == code) {
code = authenticate(pCxt, *pQuery);
}
if (TSDB_CODE_SUCCESS == code) {
if (TSDB_CODE_SUCCESS == code && 0 == (*pQuery)->placeholderNum) {
code = translate(pCxt, *pQuery);
}
if (TSDB_CODE_SUCCESS == code) {
if (TSDB_CODE_SUCCESS == code && 0 == (*pQuery)->placeholderNum) {
code = calculateConstant(pCxt, *pQuery);
}
return code;
}
int32_t qParseQuerySql(SParseContext* pCxt, SQuery** pQuery) {
static int32_t setValueByBindParam(SValueNode* pVal, TAOS_MULTI_BIND* pParam) {
if (pParam->is_null && 1 == *(pParam->is_null)) {
pVal->node.resType.type = TSDB_DATA_TYPE_NULL;
pVal->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_NULL].bytes;
return TSDB_CODE_SUCCESS;
}
int32_t inputSize = (NULL != pParam->length ? *(pParam->length) : tDataTypes[pParam->buffer_type].bytes);
pVal->node.resType.type = pParam->buffer_type;
pVal->node.resType.bytes = inputSize;
switch (pParam->buffer_type) {
case TSDB_DATA_TYPE_BOOL:
pVal->datum.b = *((bool*)pParam->buffer);
break;
case TSDB_DATA_TYPE_TINYINT:
pVal->datum.i = *((int8_t*)pParam->buffer);
break;
case TSDB_DATA_TYPE_SMALLINT:
pVal->datum.i = *((int16_t*)pParam->buffer);
break;
case TSDB_DATA_TYPE_INT:
pVal->datum.i = *((int32_t*)pParam->buffer);
break;
case TSDB_DATA_TYPE_BIGINT:
pVal->datum.i = *((int64_t*)pParam->buffer);
break;
case TSDB_DATA_TYPE_FLOAT:
pVal->datum.d = *((float*)pParam->buffer);
break;
case TSDB_DATA_TYPE_DOUBLE:
pVal->datum.d = *((double*)pParam->buffer);
break;
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY:
pVal->datum.p = taosMemoryCalloc(1, pVal->node.resType.bytes + VARSTR_HEADER_SIZE + 1);
if (NULL == pVal->datum.p) {
return TSDB_CODE_OUT_OF_MEMORY;
}
varDataSetLen(pVal->datum.p, pVal->node.resType.bytes);
strncpy(varDataVal(pVal->datum.p), (const char*)pParam->buffer, pVal->node.resType.bytes);
break;
case TSDB_DATA_TYPE_NCHAR: {
pVal->node.resType.bytes *= TSDB_NCHAR_SIZE;
pVal->datum.p = taosMemoryCalloc(1, pVal->node.resType.bytes + VARSTR_HEADER_SIZE + 1);
if (NULL == pVal->datum.p) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t output = 0;
if (!taosMbsToUcs4(pParam->buffer, inputSize, (TdUcs4*)varDataVal(pVal->datum.p), pVal->node.resType.bytes,
&output)) {
return errno;
}
varDataSetLen(pVal->datum.p, output);
pVal->node.resType.bytes = output;
break;
}
case TSDB_DATA_TYPE_TIMESTAMP:
pVal->datum.i = *((int64_t*)pParam->buffer);
break;
case TSDB_DATA_TYPE_UTINYINT:
pVal->datum.u = *((uint8_t*)pParam->buffer);
break;
case TSDB_DATA_TYPE_USMALLINT:
pVal->datum.u = *((uint16_t*)pParam->buffer);
break;
case TSDB_DATA_TYPE_UINT:
pVal->datum.u = *((uint32_t*)pParam->buffer);
break;
case TSDB_DATA_TYPE_UBIGINT:
pVal->datum.u = *((uint64_t*)pParam->buffer);
break;
case TSDB_DATA_TYPE_JSON:
case TSDB_DATA_TYPE_DECIMAL:
case TSDB_DATA_TYPE_BLOB:
case TSDB_DATA_TYPE_MEDIUMBLOB:
// todo
default:
break;
}
pVal->translate = true;
return TSDB_CODE_SUCCESS;
}
int32_t qParseSql(SParseContext* pCxt, SQuery** pQuery) {
int32_t code = TSDB_CODE_SUCCESS;
if (isInsertSql(pCxt->pSql, pCxt->sqlLen)) {
code = parseInsertSql(pCxt, pQuery);
@ -77,3 +160,29 @@ void qDestroyQuery(SQuery* pQueryNode) {
int32_t qExtractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pSchema) {
return extractResultSchema(pRoot, numOfCols, pSchema);
}
int32_t qStmtBindParams(SQuery* pQuery, TAOS_MULTI_BIND* pParams, int32_t colIdx, uint64_t queryId) {
int32_t code = TSDB_CODE_SUCCESS;
if (colIdx < 0) {
int32_t size = taosArrayGetSize(pQuery->pPlaceholderValues);
for (int32_t i = 0; i < size; ++i) {
code = setValueByBindParam((SValueNode*)taosArrayGetP(pQuery->pPlaceholderValues, i), pParams + i);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
}
} else {
code = setValueByBindParam((SValueNode*)taosArrayGetP(pQuery->pPlaceholderValues, colIdx), pParams);
}
return code;
}
int32_t qStmtParseQuerySql(SParseContext* pCxt, SQuery* pQuery) {
int32_t code = translate(pCxt, pQuery);
if (TSDB_CODE_SUCCESS == code) {
code = calculateConstant(pCxt, pQuery);
}
return code;
}

2
source/libs/planner/test/planTestUtil.cpp
View File

@ -198,7 +198,7 @@ class PlannerTestBaseImpl {
cxt.pMsg = stmtEnv_.msgBuf_.data();
cxt.msgLen = stmtEnv_.msgBuf_.max_size();
DO_WITH_THROW(qParseQuerySql, &cxt, pQuery);
DO_WITH_THROW(qParseSql, &cxt, pQuery);
res_.ast_ = toString((*pQuery)->pRoot);
}