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enh(query): add more information for the result of show tables.

This commit is contained in:
Haojun Liao 2022-04-27 15:17:15 +08:00
parent 02cee2ba62
commit d62ddcf2db
9 changed files with 98 additions and 24 deletions
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1
include/libs/executor/executor.h
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@ -32,6 +32,7 @@ typedef struct SReadHandle {
void* reader;
void* meta;
void* config;
void* vnode;
} SReadHandle;
#define STREAM_DATA_TYPE_SUBMIT_BLOCK 0x1

1
source/dnode/mnode/impl/src/mndInfoSchema.c
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@ -142,6 +142,7 @@ static const SInfosTableSchema userTblsSchema[] = {
{.name = "vgroup_id", .bytes = 4, .type = TSDB_DATA_TYPE_INT},
{.name = "ttl", .bytes = 4, .type = TSDB_DATA_TYPE_INT},
{.name = "table_comment", .bytes = 4, .type = TSDB_DATA_TYPE_INT},
{.name = "type", .bytes = 20 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
};
static const SInfosTableSchema userTblDistSchema[] = {

1
source/dnode/vnode/inc/vnode.h
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@ -68,6 +68,7 @@ void vnodeStop(SVnode *pVnode);
int64_t vnodeGetSyncHandle(SVnode *pVnode);
void vnodeGetSnapshot(SVnode *pVnode, SSnapshot *pSnapshot);
void vnodeGetInfo(SVnode *pVnode, const char **dbname, int32_t *vgId);
// meta
typedef struct SMeta SMeta; // todo: remove

2
source/dnode/vnode/src/meta/metaTable.c
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@ -88,7 +88,7 @@ int metaCreateTable(SMeta *pMeta, int64_t version, SVCreateTbReq *pReq) {
// preprocess req
pReq->uid = tGenIdPI64();
pReq->ctime = taosGetTimestampSec();
pReq->ctime = taosGetTimestampMs();
// validate req
metaReaderInit(&mr, pMeta->pVnode, 0);

10
source/dnode/vnode/src/vnd/vnodeQuery.c
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@ -136,3 +136,13 @@ int32_t vnodeGetLoad(SVnode *pVnode, SVnodeLoad *pLoad) {
pLoad->numOfBatchInsertSuccessReqs = 4;
return 0;
}
void vnodeGetInfo(SVnode *pVnode, const char **dbname, int32_t *vgId) {
if (dbname) {
*dbname = pVnode->config.dbname;
}
if (vgId) {
*vgId = TD_VID(pVnode);
}
}

2
source/dnode/vnode/src/vnd/vnodeSvr.c
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@ -144,7 +144,7 @@ _err:
int vnodeProcessQueryMsg(SVnode *pVnode, SRpcMsg *pMsg) {
vTrace("message in vnode query queue is processing");
SReadHandle handle = {.reader = pVnode->pTsdb, .meta = pVnode->pMeta, .config = &pVnode->config};
SReadHandle handle = {.reader = pVnode->pTsdb, .meta = pVnode->pMeta, .config = &pVnode->config, .vnode = pVnode};
switch (pMsg->msgType) {
case TDMT_VND_QUERY:

2
source/libs/executor/inc/executorimpl.h
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@ -380,7 +380,7 @@ typedef struct SStreamBlockScanInfo {
typedef struct SSysTableScanInfo {
union {
void* pTransporter;
void* readHandle;
SReadHandle readHandle;
};
SRetrieveMetaTableRsp* pRsp;

2
source/libs/executor/src/executorimpl.c
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@ -6497,7 +6497,7 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
SArray* colList = extractScanColumnId(pScanNode->pScanCols);
SOperatorInfo* pOperator = createSysTableScanOperatorInfo(
pHandle->meta, pResBlock, &pScanNode->tableName, pScanNode->node.pConditions, pSysScanPhyNode->mgmtEpSet,
pHandle, pResBlock, &pScanNode->tableName, pScanNode->node.pConditions, pSysScanPhyNode->mgmtEpSet,
colList, pTaskInfo, pSysScanPhyNode->showRewrite, pSysScanPhyNode->accountId);
return pOperator;
} else {

101
source/libs/executor/src/scanoperator.c
View File

@ -811,7 +811,7 @@ static SSDataBlock* doSysTableScan(SOperatorInfo* pOperator, bool* newgroup) {
const char* name = tNameGetTableName(&pInfo->name);
if (strncasecmp(name, TSDB_INS_TABLE_USER_TABLES, TSDB_TABLE_FNAME_LEN) == 0) {
if (pInfo->pCur == NULL) {
pInfo->pCur = metaOpenTbCursor(pInfo->readHandle);
pInfo->pCur = metaOpenTbCursor(pInfo->readHandle.meta);
}
blockDataCleanup(pInfo->pRes);
@ -819,32 +819,93 @@ static SSDataBlock* doSysTableScan(SOperatorInfo* pOperator, bool* newgroup) {
int32_t tableNameSlotId = 1;
SColumnInfoData* pTableNameCol = taosArrayGet(pInfo->pRes->pDataBlock, tableNameSlotId);
char* tb = NULL;
int32_t numOfRows = 0;
const char* db = NULL;
int32_t vgId = 0;
vnodeGetInfo(pInfo->readHandle.vnode, &db, &vgId);
SName sn = {0};
char dbname[TSDB_DB_FNAME_LEN + VARSTR_HEADER_SIZE] = {0};
tNameFromString(&sn, db, T_NAME_ACCT|T_NAME_DB);
tNameGetDbName(&sn, varDataVal(dbname));
varDataSetLen(dbname, strlen(varDataVal(dbname)));
char n[TSDB_TABLE_NAME_LEN] = {0};
while (metaTbCursorNext(pInfo->pCur) == 0) {
STR_TO_VARSTR(n, pInfo->pCur->mr.me.name);
colDataAppend(pTableNameCol, numOfRows, n, false);
numOfRows += 1;
if (numOfRows >= pInfo->capacity) {
break;
int32_t tableType = pInfo->pCur->mr.me.type;
// database name
SColumnInfoData* pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 0);
colDataAppend(pColInfoData, numOfRows, dbname, false);
// vgId
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 6);
colDataAppend(pColInfoData, numOfRows, (char*) &vgId, false);
// table comment
// todo: set the correct comment
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 8);
colDataAppendNULL(pColInfoData, numOfRows);
char typestr[256] = {0};
if (tableType == TSDB_CHILD_TABLE) {
SMetaReader mr = {0};
metaReaderInit(&mr, pInfo->readHandle.meta, 0);
// metaGetTableEntryByUid(&mr, pInfo->pCur->mr.me.ctbEntry.suid);
metaReaderClear(&mr);
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 3);
colDataAppend(pColInfoData, numOfRows, (char*) &mr.me.stbEntry.schema.nCols, false);
// create time
int64_t ts = pInfo->pCur->mr.me.ctbEntry.ctime;
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 2);
colDataAppend(pColInfoData, numOfRows, (char*) &ts, false);
// uid
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 5);
colDataAppend(pColInfoData, numOfRows, (char*) &pInfo->pCur->mr.me.uid, false);
// ttl
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 7);
colDataAppend(pColInfoData, numOfRows, (char*) &pInfo->pCur->mr.me.ctbEntry.ttlDays, false);
STR_TO_VARSTR(typestr, "CHILD_TABLE");
} else if (tableType == TSDB_NORMAL_TABLE) {
// create time
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 2);
colDataAppend(pColInfoData, numOfRows, (char*) &pInfo->pCur->mr.me.ntbEntry.ctime, false);
// number of columns
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 3);
colDataAppend(pColInfoData, numOfRows, (char*) &pInfo->pCur->mr.me.ntbEntry.schema.nCols, false);
// super table name
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 4);
colDataAppendNULL(pColInfoData, numOfRows);
// uid
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 5);
colDataAppend(pColInfoData, numOfRows, (char*) &pInfo->pCur->mr.me.uid, false);
// ttl
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 7);
colDataAppend(pColInfoData, numOfRows, (char*) &pInfo->pCur->mr.me.ntbEntry.ttlDays, false);
STR_TO_VARSTR(typestr, "NORMAL_TABLE");
}
for (int32_t i = 0; i < pInfo->pRes->info.numOfCols; ++i) {
if (i == tableNameSlotId) {
continue;
}
pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, 9);
colDataAppend(pColInfoData, numOfRows, typestr, false);
SColumnInfoData* pColInfoData = taosArrayGet(pInfo->pRes->pDataBlock, i);
int64_t tmp = 0;
char t[10] = {0};
STR_TO_VARSTR(t, "_"); // TODO
if (IS_VAR_DATA_TYPE(pColInfoData->info.type)) {
colDataAppend(pColInfoData, numOfRows, t, false);
} else {
colDataAppend(pColInfoData, numOfRows, (char*)&tmp, false);
}
if (++numOfRows >= pInfo->capacity) {
break;
}
}
@ -923,7 +984,7 @@ static SSDataBlock* doSysTableScan(SOperatorInfo* pOperator, bool* newgroup) {
}
}
SOperatorInfo* createSysTableScanOperatorInfo(void* pSysTableReadHandle, SSDataBlock* pResBlock, const SName* pName,
SOperatorInfo* createSysTableScanOperatorInfo(void* readHandle, SSDataBlock* pResBlock, const SName* pName,
SNode* pCondition, SEpSet epset, SArray* colList,
SExecTaskInfo* pTaskInfo, bool showRewrite, int32_t accountId) {
SSysTableScanInfo* pInfo = taosMemoryCalloc(1, sizeof(SSysTableScanInfo));
@ -945,7 +1006,7 @@ SOperatorInfo* createSysTableScanOperatorInfo(void* pSysTableReadHandle, SSDataB
tNameAssign(&pInfo->name, pName);
const char* name = tNameGetTableName(&pInfo->name);
if (strncasecmp(name, TSDB_INS_TABLE_USER_TABLES, TSDB_TABLE_FNAME_LEN) == 0) {
pInfo->readHandle = pSysTableReadHandle;
pInfo->readHandle = *(SReadHandle*) readHandle;
blockDataEnsureCapacity(pInfo->pRes, pInfo->capacity);
} else {
tsem_init(&pInfo->ready, 0, 0);