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Merge pull request #6914 from taosdata/fix/TD-5324 

[TD-5324]<fix>:check max row bytes when alter tag/column width
This commit is contained in:
Shengliang Guan 2021-07-19 16:18:51 +08:00 committed by GitHub
parent b0bdd7c2c6 1b90edcc55
commit 3de012990a
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 35 additions and 0 deletions
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21
src/client/src/tscSQLParser.c
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@ -6010,6 +6010,16 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
return invalidOperationMsg(pMsg, msg22);
}
SSchema* pSchema = (SSchema*) pTableMetaInfo->pTableMeta->schema;
int16_t numOfColumns = pTableMetaInfo->pTableMeta->tableInfo.numOfColumns;
int16_t i;
uint32_t nLen = 0;
for (i = 0; i < numOfColumns; ++i) {
nLen += pSchema[i].colId != columnIndex.columnIndex ? pSchema[i].bytes : pItem->bytes;
}
if (nLen >= TSDB_MAX_BYTES_PER_ROW) {
return invalidOperationMsg(pMsg, msg24);
}
TAOS_FIELD f = tscCreateField(pColSchema->type, name.z, pItem->bytes);
tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
}else if (pAlterSQL->type == TSDB_ALTER_TABLE_MODIFY_TAG_COLUMN) {
@ -6051,6 +6061,17 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
return invalidOperationMsg(pMsg, msg22);
}
SSchema* pSchema = (SSchema*) pTableMetaInfo->pTableMeta->schema;
int16_t numOfColumns = pTableMetaInfo->pTableMeta->tableInfo.numOfColumns;
int16_t i;
uint32_t nLen = 0;
for (i = 0; i < numOfColumns; ++i) {
nLen += pSchema[i].colId != columnIndex.columnIndex ? pSchema[i].bytes : pItem->bytes;
}
if (nLen >= TSDB_MAX_BYTES_PER_ROW) {
return invalidOperationMsg(pMsg, msg24);
}
TAOS_FIELD f = tscCreateField(pColSchema->type, name.z, pItem->bytes);
tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
}

1
src/inc/taoserror.h
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@ -174,6 +174,7 @@ int32_t* taosGetErrno();
#define TSDB_CODE_MND_FIELD_NOT_EXIST TAOS_DEF_ERROR_CODE(0, 0x036C) //"Field does not exist")
#define TSDB_CODE_MND_INVALID_STABLE_NAME TAOS_DEF_ERROR_CODE(0, 0x036D) //"Super table does not exist")
#define TSDB_CODE_MND_INVALID_CREATE_TABLE_MSG TAOS_DEF_ERROR_CODE(0, 0x036E) //"Invalid create table message")
#define TSDB_CODE_MND_EXCEED_MAX_ROW_BYTES TAOS_DEF_ERROR_CODE(0, 0x036F) //"Exceed max row bytes")
#define TSDB_CODE_MND_INVALID_FUNC_NAME TAOS_DEF_ERROR_CODE(0, 0x0370) //"Invalid func name")
#define TSDB_CODE_MND_INVALID_FUNC_LEN TAOS_DEF_ERROR_CODE(0, 0x0371) //"Invalid func length")

12
src/mnode/src/mnodeTable.c
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@ -1503,6 +1503,18 @@ static int32_t mnodeChangeSuperTableColumn(SMnodeMsg *pMsg) {
return TSDB_CODE_MND_FIELD_NOT_EXIST;
}
// check exceed max row bytes
int32_t i;
uint32_t nLen = 0;
for (i = 0; i < pStable->numOfColumns; ++i) {
nLen += (pStable->schema[i].colId == col) ? pAlter->schema[0].bytes : pStable->schema[i].bytes;
}
if (nLen > TSDB_MAX_BYTES_PER_ROW) {
mError("msg:%p, app:%p stable:%s, change column, name:%s exceed max row bytes", pMsg, pMsg->rpcMsg.ahandle,
pStable->info.tableId, name);
return TSDB_CODE_MND_EXCEED_MAX_ROW_BYTES;
}
// update
SSchema *schema = (SSchema *) (pStable->schema + col);
ASSERT(schema->type == TSDB_DATA_TYPE_BINARY || schema->type == TSDB_DATA_TYPE_NCHAR);

1
src/util/src/terror.c
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@ -183,6 +183,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_FIELD_ALREAY_EXIST, "Field already exists"
TAOS_DEFINE_ERROR(TSDB_CODE_MND_FIELD_NOT_EXIST, "Field does not exist")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_STABLE_NAME, "Super table does not exist")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_CREATE_TABLE_MSG, "Invalid create table message")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_EXCEED_MAX_ROW_BYTES, "Exceed max row bytes")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_FUNC_NAME, "Invalid func name")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_FUNC_LEN, "Invalid func length")