homework-jianmu/source/libs/nodes/src/nodesUtilFuncs.c

1569 lines
50 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cmdnodes.h"
#include "nodesUtil.h"
#include "plannodes.h"
#include "querynodes.h"
#include "taos.h"
#include "taoserror.h"
#include "thash.h"
static SNode* makeNode(ENodeType type, size_t size) {
SNode* p = taosMemoryCalloc(1, size);
if (NULL == p) {
return NULL;
}
setNodeType(p, type);
return p;
}
SNodeptr nodesMakeNode(ENodeType type) {
switch (type) {
case QUERY_NODE_COLUMN:
return makeNode(type, sizeof(SColumnNode));
case QUERY_NODE_VALUE:
return makeNode(type, sizeof(SValueNode));
case QUERY_NODE_OPERATOR:
return makeNode(type, sizeof(SOperatorNode));
case QUERY_NODE_LOGIC_CONDITION:
return makeNode(type, sizeof(SLogicConditionNode));
case QUERY_NODE_FUNCTION:
return makeNode(type, sizeof(SFunctionNode));
case QUERY_NODE_REAL_TABLE:
return makeNode(type, sizeof(SRealTableNode));
case QUERY_NODE_TEMP_TABLE:
return makeNode(type, sizeof(STempTableNode));
case QUERY_NODE_JOIN_TABLE:
return makeNode(type, sizeof(SJoinTableNode));
case QUERY_NODE_GROUPING_SET:
return makeNode(type, sizeof(SGroupingSetNode));
case QUERY_NODE_ORDER_BY_EXPR:
return makeNode(type, sizeof(SOrderByExprNode));
case QUERY_NODE_LIMIT:
return makeNode(type, sizeof(SLimitNode));
case QUERY_NODE_STATE_WINDOW:
return makeNode(type, sizeof(SStateWindowNode));
case QUERY_NODE_SESSION_WINDOW:
return makeNode(type, sizeof(SSessionWindowNode));
case QUERY_NODE_INTERVAL_WINDOW:
return makeNode(type, sizeof(SIntervalWindowNode));
case QUERY_NODE_NODE_LIST:
return makeNode(type, sizeof(SNodeListNode));
case QUERY_NODE_FILL:
return makeNode(type, sizeof(SFillNode));
case QUERY_NODE_RAW_EXPR:
return makeNode(type, sizeof(SRawExprNode));
case QUERY_NODE_TARGET:
return makeNode(type, sizeof(STargetNode));
case QUERY_NODE_DATABLOCK_DESC:
return makeNode(type, sizeof(SDataBlockDescNode));
case QUERY_NODE_SLOT_DESC:
return makeNode(type, sizeof(SSlotDescNode));
case QUERY_NODE_COLUMN_DEF:
return makeNode(type, sizeof(SColumnDefNode));
case QUERY_NODE_DOWNSTREAM_SOURCE:
return makeNode(type, sizeof(SDownstreamSourceNode));
case QUERY_NODE_DATABASE_OPTIONS:
return makeNode(type, sizeof(SDatabaseOptions));
case QUERY_NODE_TABLE_OPTIONS:
return makeNode(type, sizeof(STableOptions));
case QUERY_NODE_INDEX_OPTIONS:
return makeNode(type, sizeof(SIndexOptions));
case QUERY_NODE_EXPLAIN_OPTIONS:
return makeNode(type, sizeof(SExplainOptions));
case QUERY_NODE_STREAM_OPTIONS:
return makeNode(type, sizeof(SStreamOptions));
case QUERY_NODE_LEFT_VALUE:
return makeNode(type, sizeof(SLeftValueNode));
case QUERY_NODE_SET_OPERATOR:
return makeNode(type, sizeof(SSetOperator));
case QUERY_NODE_SELECT_STMT:
return makeNode(type, sizeof(SSelectStmt));
case QUERY_NODE_VNODE_MODIF_STMT:
return makeNode(type, sizeof(SVnodeModifOpStmt));
case QUERY_NODE_CREATE_DATABASE_STMT:
return makeNode(type, sizeof(SCreateDatabaseStmt));
case QUERY_NODE_DROP_DATABASE_STMT:
return makeNode(type, sizeof(SDropDatabaseStmt));
case QUERY_NODE_ALTER_DATABASE_STMT:
return makeNode(type, sizeof(SAlterDatabaseStmt));
case QUERY_NODE_CREATE_TABLE_STMT:
return makeNode(type, sizeof(SCreateTableStmt));
case QUERY_NODE_CREATE_SUBTABLE_CLAUSE:
return makeNode(type, sizeof(SCreateSubTableClause));
case QUERY_NODE_CREATE_MULTI_TABLE_STMT:
return makeNode(type, sizeof(SCreateMultiTableStmt));
case QUERY_NODE_DROP_TABLE_CLAUSE:
return makeNode(type, sizeof(SDropTableClause));
case QUERY_NODE_DROP_TABLE_STMT:
return makeNode(type, sizeof(SDropTableStmt));
case QUERY_NODE_DROP_SUPER_TABLE_STMT:
return makeNode(type, sizeof(SDropSuperTableStmt));
case QUERY_NODE_ALTER_TABLE_STMT:
return makeNode(type, sizeof(SAlterTableStmt));
case QUERY_NODE_CREATE_USER_STMT:
return makeNode(type, sizeof(SCreateUserStmt));
case QUERY_NODE_ALTER_USER_STMT:
return makeNode(type, sizeof(SAlterUserStmt));
case QUERY_NODE_DROP_USER_STMT:
return makeNode(type, sizeof(SDropUserStmt));
case QUERY_NODE_USE_DATABASE_STMT:
return makeNode(type, sizeof(SUseDatabaseStmt));
case QUERY_NODE_CREATE_DNODE_STMT:
return makeNode(type, sizeof(SCreateDnodeStmt));
case QUERY_NODE_DROP_DNODE_STMT:
return makeNode(type, sizeof(SDropDnodeStmt));
case QUERY_NODE_ALTER_DNODE_STMT:
return makeNode(type, sizeof(SAlterDnodeStmt));
case QUERY_NODE_CREATE_INDEX_STMT:
return makeNode(type, sizeof(SCreateIndexStmt));
case QUERY_NODE_DROP_INDEX_STMT:
return makeNode(type, sizeof(SDropIndexStmt));
case QUERY_NODE_CREATE_QNODE_STMT:
case QUERY_NODE_CREATE_BNODE_STMT:
case QUERY_NODE_CREATE_SNODE_STMT:
case QUERY_NODE_CREATE_MNODE_STMT:
return makeNode(type, sizeof(SCreateComponentNodeStmt));
case QUERY_NODE_DROP_QNODE_STMT:
case QUERY_NODE_DROP_BNODE_STMT:
case QUERY_NODE_DROP_SNODE_STMT:
case QUERY_NODE_DROP_MNODE_STMT:
return makeNode(type, sizeof(SDropComponentNodeStmt));
case QUERY_NODE_CREATE_TOPIC_STMT:
return makeNode(type, sizeof(SCreateTopicStmt));
case QUERY_NODE_DROP_TOPIC_STMT:
return makeNode(type, sizeof(SDropTopicStmt));
case QUERY_NODE_DROP_CGROUP_STMT:
return makeNode(type, sizeof(SDropCGroupStmt));
case QUERY_NODE_EXPLAIN_STMT:
return makeNode(type, sizeof(SExplainStmt));
case QUERY_NODE_DESCRIBE_STMT:
return makeNode(type, sizeof(SDescribeStmt));
case QUERY_NODE_RESET_QUERY_CACHE_STMT:
return makeNode(type, sizeof(SNode));
case QUERY_NODE_COMPACT_STMT:
break;
case QUERY_NODE_CREATE_FUNCTION_STMT:
return makeNode(type, sizeof(SCreateFunctionStmt));
case QUERY_NODE_DROP_FUNCTION_STMT:
return makeNode(type, sizeof(SDropFunctionStmt));
case QUERY_NODE_CREATE_STREAM_STMT:
return makeNode(type, sizeof(SCreateStreamStmt));
case QUERY_NODE_DROP_STREAM_STMT:
return makeNode(type, sizeof(SDropStreamStmt));
case QUERY_NODE_BALANCE_VGROUP_STMT:
return makeNode(type, sizeof(SBalanceVgroupStmt));
case QUERY_NODE_MERGE_VGROUP_STMT:
return makeNode(type, sizeof(SMergeVgroupStmt));
case QUERY_NODE_REDISTRIBUTE_VGROUP_STMT:
return makeNode(type, sizeof(SRedistributeVgroupStmt));
case QUERY_NODE_SPLIT_VGROUP_STMT:
return makeNode(type, sizeof(SSplitVgroupStmt));
case QUERY_NODE_SYNCDB_STMT:
break;
case QUERY_NODE_GRANT_STMT:
return makeNode(type, sizeof(SGrantStmt));
case QUERY_NODE_REVOKE_STMT:
return makeNode(type, sizeof(SRevokeStmt));
case QUERY_NODE_SHOW_DNODES_STMT:
case QUERY_NODE_SHOW_MNODES_STMT:
case QUERY_NODE_SHOW_MODULES_STMT:
case QUERY_NODE_SHOW_QNODES_STMT:
case QUERY_NODE_SHOW_SNODES_STMT:
case QUERY_NODE_SHOW_BNODES_STMT:
case QUERY_NODE_SHOW_CLUSTER_STMT:
case QUERY_NODE_SHOW_DATABASES_STMT:
case QUERY_NODE_SHOW_FUNCTIONS_STMT:
case QUERY_NODE_SHOW_INDEXES_STMT:
case QUERY_NODE_SHOW_STABLES_STMT:
case QUERY_NODE_SHOW_STREAMS_STMT:
case QUERY_NODE_SHOW_TABLES_STMT:
case QUERY_NODE_SHOW_USERS_STMT:
case QUERY_NODE_SHOW_LICENCE_STMT:
case QUERY_NODE_SHOW_VGROUPS_STMT:
case QUERY_NODE_SHOW_TOPICS_STMT:
case QUERY_NODE_SHOW_CONSUMERS_STMT:
case QUERY_NODE_SHOW_SUBSCRIBES_STMT:
case QUERY_NODE_SHOW_SMAS_STMT:
case QUERY_NODE_SHOW_CONFIGS_STMT:
case QUERY_NODE_SHOW_QUERIES_STMT:
case QUERY_NODE_SHOW_VNODES_STMT:
case QUERY_NODE_SHOW_APPS_STMT:
case QUERY_NODE_SHOW_SCORES_STMT:
case QUERY_NODE_SHOW_VARIABLE_STMT:
case QUERY_NODE_SHOW_CREATE_DATABASE_STMT:
case QUERY_NODE_SHOW_CREATE_TABLE_STMT:
case QUERY_NODE_SHOW_CREATE_STABLE_STMT:
case QUERY_NODE_SHOW_TRANSACTIONS_STMT:
return makeNode(type, sizeof(SShowStmt));
case QUERY_NODE_KILL_CONNECTION_STMT:
case QUERY_NODE_KILL_QUERY_STMT:
case QUERY_NODE_KILL_TRANSACTION_STMT:
return makeNode(type, sizeof(SKillStmt));
case QUERY_NODE_DELETE_STMT:
return makeNode(type, sizeof(SDeleteStmt));
case QUERY_NODE_LOGIC_PLAN_SCAN:
return makeNode(type, sizeof(SScanLogicNode));
case QUERY_NODE_LOGIC_PLAN_JOIN:
return makeNode(type, sizeof(SJoinLogicNode));
case QUERY_NODE_LOGIC_PLAN_AGG:
return makeNode(type, sizeof(SAggLogicNode));
case QUERY_NODE_LOGIC_PLAN_PROJECT:
return makeNode(type, sizeof(SProjectLogicNode));
case QUERY_NODE_LOGIC_PLAN_VNODE_MODIFY:
return makeNode(type, sizeof(SVnodeModifyLogicNode));
case QUERY_NODE_LOGIC_PLAN_EXCHANGE:
return makeNode(type, sizeof(SExchangeLogicNode));
case QUERY_NODE_LOGIC_PLAN_MERGE:
return makeNode(type, sizeof(SMergeLogicNode));
case QUERY_NODE_LOGIC_PLAN_WINDOW:
return makeNode(type, sizeof(SWindowLogicNode));
case QUERY_NODE_LOGIC_PLAN_FILL:
return makeNode(type, sizeof(SFillLogicNode));
case QUERY_NODE_LOGIC_PLAN_SORT:
return makeNode(type, sizeof(SSortLogicNode));
case QUERY_NODE_LOGIC_PLAN_PARTITION:
return makeNode(type, sizeof(SPartitionLogicNode));
case QUERY_NODE_LOGIC_PLAN_INDEF_ROWS_FUNC:
return makeNode(type, sizeof(SIndefRowsFuncLogicNode));
case QUERY_NODE_LOGIC_SUBPLAN:
return makeNode(type, sizeof(SLogicSubplan));
case QUERY_NODE_LOGIC_PLAN:
return makeNode(type, sizeof(SQueryLogicPlan));
case QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN:
return makeNode(type, sizeof(STagScanPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN:
return makeNode(type, sizeof(STableScanPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_TABLE_SEQ_SCAN:
return makeNode(type, sizeof(STableSeqScanPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN:
return makeNode(type, sizeof(SStreamScanPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN:
return makeNode(type, sizeof(SSystemTableScanPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_PROJECT:
return makeNode(type, sizeof(SProjectPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_JOIN:
return makeNode(type, sizeof(SJoinPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_AGG:
return makeNode(type, sizeof(SAggPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_EXCHANGE:
return makeNode(type, sizeof(SExchangePhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_MERGE:
return makeNode(type, sizeof(SMergePhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_SORT:
return makeNode(type, sizeof(SSortPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_HASH_INTERVAL:
return makeNode(type, sizeof(SIntervalPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_MERGE_INTERVAL:
return makeNode(type, sizeof(SMergeIntervalPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL:
return makeNode(type, sizeof(SStreamIntervalPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_INTERVAL:
return makeNode(type, sizeof(SStreamFinalIntervalPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_STREAM_SEMI_INTERVAL:
return makeNode(type, sizeof(SStreamSemiIntervalPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_FILL:
return makeNode(type, sizeof(SFillPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_SESSION_WINDOW:
return makeNode(type, sizeof(SSessionWinodwPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_STREAM_SESSION_WINDOW:
return makeNode(type, sizeof(SStreamSessionWinodwPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_STATE_WINDOW:
return makeNode(type, sizeof(SStateWinodwPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_STREAM_STATE_WINDOW:
return makeNode(type, sizeof(SStreamStateWinodwPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_PARTITION:
return makeNode(type, sizeof(SPartitionPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC:
return makeNode(type, sizeof(SIndefRowsFuncPhysiNode));
case QUERY_NODE_PHYSICAL_PLAN_DISPATCH:
return makeNode(type, sizeof(SDataDispatcherNode));
case QUERY_NODE_PHYSICAL_PLAN_INSERT:
return makeNode(type, sizeof(SDataInserterNode));
case QUERY_NODE_PHYSICAL_PLAN_DELETE:
return makeNode(type, sizeof(SDataDeleterNode));
case QUERY_NODE_PHYSICAL_SUBPLAN:
return makeNode(type, sizeof(SSubplan));
case QUERY_NODE_PHYSICAL_PLAN:
return makeNode(type, sizeof(SQueryPlan));
default:
break;
}
nodesError("nodesMakeNode unknown node = %s", nodesNodeName(type));
return NULL;
}
static void destroyVgDataBlockArray(SArray* pArray) {
size_t size = taosArrayGetSize(pArray);
for (size_t i = 0; i < size; ++i) {
SVgDataBlocks* pVg = taosArrayGetP(pArray, i);
taosMemoryFreeClear(pVg->pData);
taosMemoryFreeClear(pVg);
}
taosArrayDestroy(pArray);
}
static void destroyLogicNode(SLogicNode* pNode) {
nodesDestroyList(pNode->pChildren);
nodesDestroyNode(pNode->pConditions);
nodesDestroyList(pNode->pTargets);
}
static void destroyPhysiNode(SPhysiNode* pNode) {
nodesDestroyList(pNode->pChildren);
nodesDestroyNode(pNode->pConditions);
nodesDestroyNode(pNode->pOutputDataBlockDesc);
}
static void destroyWinodwPhysiNode(SWinodwPhysiNode* pNode) {
destroyPhysiNode((SPhysiNode*)pNode);
nodesDestroyList(pNode->pExprs);
nodesDestroyList(pNode->pFuncs);
nodesDestroyNode(pNode->pTspk);
}
static void destroyScanPhysiNode(SScanPhysiNode* pNode) {
destroyPhysiNode((SPhysiNode*)pNode);
nodesDestroyList(pNode->pScanCols);
}
static void destroyDataSinkNode(SDataSinkNode* pNode) { nodesDestroyNode(pNode->pInputDataBlockDesc); }
void nodesDestroyNode(SNodeptr pNode) {
if (NULL == pNode) {
return;
}
switch (nodeType(pNode)) {
case QUERY_NODE_COLUMN: // pProjectRef is weak reference, no need to release
break;
case QUERY_NODE_VALUE: {
SValueNode* pValue = (SValueNode*)pNode;
taosMemoryFreeClear(pValue->literal);
if (IS_VAR_DATA_TYPE(pValue->node.resType.type)) {
taosMemoryFreeClear(pValue->datum.p);
}
break;
}
case QUERY_NODE_OPERATOR: {
SOperatorNode* pOp = (SOperatorNode*)pNode;
nodesDestroyNode(pOp->pLeft);
nodesDestroyNode(pOp->pRight);
break;
}
case QUERY_NODE_LOGIC_CONDITION:
nodesDestroyList(((SLogicConditionNode*)pNode)->pParameterList);
break;
case QUERY_NODE_FUNCTION:
nodesDestroyList(((SFunctionNode*)pNode)->pParameterList);
break;
case QUERY_NODE_REAL_TABLE: {
SRealTableNode* pReal = (SRealTableNode*)pNode;
taosMemoryFreeClear(pReal->pMeta);
taosMemoryFreeClear(pReal->pVgroupList);
break;
}
case QUERY_NODE_TEMP_TABLE:
nodesDestroyNode(((STempTableNode*)pNode)->pSubquery);
break;
case QUERY_NODE_JOIN_TABLE: {
SJoinTableNode* pJoin = (SJoinTableNode*)pNode;
nodesDestroyNode(pJoin->pLeft);
nodesDestroyNode(pJoin->pRight);
nodesDestroyNode(pJoin->pOnCond);
break;
}
case QUERY_NODE_GROUPING_SET:
nodesDestroyList(((SGroupingSetNode*)pNode)->pParameterList);
break;
case QUERY_NODE_ORDER_BY_EXPR:
nodesDestroyNode(((SOrderByExprNode*)pNode)->pExpr);
break;
case QUERY_NODE_LIMIT: // no pointer field
break;
case QUERY_NODE_STATE_WINDOW:
nodesDestroyNode(((SStateWindowNode*)pNode)->pExpr);
break;
case QUERY_NODE_SESSION_WINDOW: {
SSessionWindowNode* pSession = (SSessionWindowNode*)pNode;
nodesDestroyNode(pSession->pCol);
nodesDestroyNode(pSession->pGap);
break;
}
case QUERY_NODE_INTERVAL_WINDOW: {
SIntervalWindowNode* pJoin = (SIntervalWindowNode*)pNode;
nodesDestroyNode(pJoin->pCol);
nodesDestroyNode(pJoin->pInterval);
nodesDestroyNode(pJoin->pOffset);
nodesDestroyNode(pJoin->pSliding);
nodesDestroyNode(pJoin->pFill);
break;
}
case QUERY_NODE_NODE_LIST:
nodesDestroyList(((SNodeListNode*)pNode)->pNodeList);
break;
case QUERY_NODE_FILL: {
SFillNode* pFill = (SFillNode*)pNode;
nodesDestroyNode(pFill->pValues);
nodesDestroyNode(pFill->pWStartTs);
break;
}
case QUERY_NODE_RAW_EXPR:
nodesDestroyNode(((SRawExprNode*)pNode)->pNode);
break;
case QUERY_NODE_TARGET:
nodesDestroyNode(((STargetNode*)pNode)->pExpr);
break;
case QUERY_NODE_DATABLOCK_DESC:
nodesDestroyList(((SDataBlockDescNode*)pNode)->pSlots);
break;
case QUERY_NODE_SLOT_DESC: // no pointer field
case QUERY_NODE_COLUMN_DEF: // no pointer field
case QUERY_NODE_DOWNSTREAM_SOURCE: // no pointer field
break;
case QUERY_NODE_DATABASE_OPTIONS: {
SDatabaseOptions* pOptions = (SDatabaseOptions*)pNode;
nodesDestroyNode(pOptions->pDaysPerFile);
nodesDestroyList(pOptions->pKeep);
nodesDestroyList(pOptions->pRetentions);
break;
}
case QUERY_NODE_TABLE_OPTIONS: {
STableOptions* pOptions = (STableOptions*)pNode;
nodesDestroyList(pOptions->pSma);
nodesDestroyList(pOptions->pRollupFuncs);
break;
}
case QUERY_NODE_INDEX_OPTIONS: {
SIndexOptions* pOptions = (SIndexOptions*)pNode;
nodesDestroyList(pOptions->pFuncs);
nodesDestroyNode(pOptions->pInterval);
nodesDestroyNode(pOptions->pOffset);
nodesDestroyNode(pOptions->pSliding);
break;
}
case QUERY_NODE_SET_OPERATOR: {
SSetOperator* pStmt = (SSetOperator*)pNode;
nodesDestroyNode(pStmt->pLeft);
nodesDestroyNode(pStmt->pRight);
nodesDestroyList(pStmt->pOrderByList);
nodesDestroyNode(pStmt->pLimit);
break;
}
case QUERY_NODE_SELECT_STMT: {
SSelectStmt* pStmt = (SSelectStmt*)pNode;
nodesDestroyList(pStmt->pProjectionList);
nodesDestroyNode(pStmt->pFromTable);
nodesDestroyNode(pStmt->pWhere);
nodesDestroyList(pStmt->pPartitionByList);
nodesDestroyNode(pStmt->pWindow);
nodesDestroyList(pStmt->pGroupByList);
nodesDestroyNode(pStmt->pHaving);
nodesDestroyList(pStmt->pOrderByList);
nodesDestroyNode(pStmt->pLimit);
nodesDestroyNode(pStmt->pSlimit);
break;
}
case QUERY_NODE_VNODE_MODIF_STMT:
destroyVgDataBlockArray(((SVnodeModifOpStmt*)pNode)->pDataBlocks);
break;
case QUERY_NODE_CREATE_DATABASE_STMT:
nodesDestroyNode(((SCreateDatabaseStmt*)pNode)->pOptions);
break;
case QUERY_NODE_DROP_DATABASE_STMT: // no pointer field
break;
case QUERY_NODE_ALTER_DATABASE_STMT:
nodesDestroyNode(((SAlterDatabaseStmt*)pNode)->pOptions);
break;
case QUERY_NODE_CREATE_TABLE_STMT: {
SCreateTableStmt* pStmt = (SCreateTableStmt*)pNode;
nodesDestroyList(pStmt->pCols);
nodesDestroyList(pStmt->pTags);
nodesDestroyNode(pStmt->pOptions);
break;
}
case QUERY_NODE_CREATE_SUBTABLE_CLAUSE: {
SCreateSubTableClause* pStmt = (SCreateSubTableClause*)pNode;
nodesDestroyList(pStmt->pSpecificTags);
nodesDestroyList(pStmt->pValsOfTags);
break;
}
case QUERY_NODE_CREATE_MULTI_TABLE_STMT:
nodesDestroyList(((SCreateMultiTableStmt*)pNode)->pSubTables);
break;
case QUERY_NODE_DROP_TABLE_CLAUSE: // no pointer field
break;
case QUERY_NODE_DROP_TABLE_STMT:
nodesDestroyNode(((SDropTableStmt*)pNode)->pTables);
break;
case QUERY_NODE_DROP_SUPER_TABLE_STMT: // no pointer field
break;
case QUERY_NODE_ALTER_TABLE_STMT: {
SAlterTableStmt* pStmt = (SAlterTableStmt*)pNode;
nodesDestroyNode(pStmt->pOptions);
nodesDestroyNode(pStmt->pVal);
break;
}
case QUERY_NODE_CREATE_USER_STMT: // no pointer field
case QUERY_NODE_ALTER_USER_STMT: // no pointer field
case QUERY_NODE_DROP_USER_STMT: // no pointer field
case QUERY_NODE_USE_DATABASE_STMT: // no pointer field
case QUERY_NODE_CREATE_DNODE_STMT: // no pointer field
case QUERY_NODE_DROP_DNODE_STMT: // no pointer field
case QUERY_NODE_ALTER_DNODE_STMT: // no pointer field
break;
case QUERY_NODE_CREATE_INDEX_STMT: {
SCreateIndexStmt* pStmt = (SCreateIndexStmt*)pNode;
nodesDestroyNode(pStmt->pOptions);
nodesDestroyList(pStmt->pCols);
break;
}
case QUERY_NODE_DROP_INDEX_STMT: // no pointer field
case QUERY_NODE_CREATE_QNODE_STMT: // no pointer field
case QUERY_NODE_DROP_QNODE_STMT: // no pointer field
break;
case QUERY_NODE_CREATE_TOPIC_STMT:
nodesDestroyNode(((SCreateTopicStmt*)pNode)->pQuery);
break;
case QUERY_NODE_DROP_TOPIC_STMT: // no pointer field
case QUERY_NODE_ALTER_LOCAL_STMT: // no pointer field
break;
case QUERY_NODE_SHOW_DATABASES_STMT:
case QUERY_NODE_SHOW_TABLES_STMT:
case QUERY_NODE_SHOW_STABLES_STMT:
case QUERY_NODE_SHOW_USERS_STMT:
case QUERY_NODE_SHOW_DNODES_STMT:
case QUERY_NODE_SHOW_VGROUPS_STMT:
case QUERY_NODE_SHOW_MNODES_STMT:
case QUERY_NODE_SHOW_MODULES_STMT:
case QUERY_NODE_SHOW_QNODES_STMT:
case QUERY_NODE_SHOW_FUNCTIONS_STMT:
case QUERY_NODE_SHOW_INDEXES_STMT:
case QUERY_NODE_SHOW_STREAMS_STMT: {
SShowStmt* pStmt = (SShowStmt*)pNode;
nodesDestroyNode(pStmt->pDbName);
nodesDestroyNode(pStmt->pTbNamePattern);
break;
}
case QUERY_NODE_QUERY: {
SQuery* pQuery = (SQuery*)pNode;
nodesDestroyNode(pQuery->pRoot);
taosMemoryFreeClear(pQuery->pResSchema);
if (NULL != pQuery->pCmdMsg) {
taosMemoryFreeClear(pQuery->pCmdMsg->pMsg);
taosMemoryFreeClear(pQuery->pCmdMsg);
}
taosArrayDestroy(pQuery->pDbList);
taosArrayDestroy(pQuery->pTableList);
break;
}
case QUERY_NODE_LOGIC_PLAN_SCAN: {
SScanLogicNode* pLogicNode = (SScanLogicNode*)pNode;
destroyLogicNode((SLogicNode*)pLogicNode);
nodesDestroyList(pLogicNode->pScanCols);
taosMemoryFreeClear(pLogicNode->pVgroupList);
break;
}
case QUERY_NODE_LOGIC_PLAN_JOIN: {
SJoinLogicNode* pLogicNode = (SJoinLogicNode*)pNode;
destroyLogicNode((SLogicNode*)pLogicNode);
nodesDestroyNode(pLogicNode->pOnConditions);
break;
}
case QUERY_NODE_LOGIC_PLAN_AGG: {
SAggLogicNode* pLogicNode = (SAggLogicNode*)pNode;
destroyLogicNode((SLogicNode*)pLogicNode);
nodesDestroyList(pLogicNode->pAggFuncs);
nodesDestroyList(pLogicNode->pGroupKeys);
break;
}
case QUERY_NODE_LOGIC_PLAN_PROJECT: {
SProjectLogicNode* pLogicNode = (SProjectLogicNode*)pNode;
destroyLogicNode((SLogicNode*)pLogicNode);
nodesDestroyList(pLogicNode->pProjections);
break;
}
case QUERY_NODE_LOGIC_PLAN_VNODE_MODIFY: {
SVnodeModifyLogicNode* pLogicNode = (SVnodeModifyLogicNode*)pNode;
destroyLogicNode((SLogicNode*)pLogicNode);
destroyVgDataBlockArray(pLogicNode->pDataBlocks);
// pVgDataBlocks is weak reference
break;
}
case QUERY_NODE_LOGIC_PLAN_EXCHANGE:
destroyLogicNode((SLogicNode*)pNode);
break;
case QUERY_NODE_LOGIC_PLAN_WINDOW: {
SWindowLogicNode* pLogicNode = (SWindowLogicNode*)pNode;
destroyLogicNode((SLogicNode*)pLogicNode);
nodesDestroyList(pLogicNode->pFuncs);
nodesDestroyNode(pLogicNode->pTspk);
break;
}
case QUERY_NODE_LOGIC_PLAN_SORT: {
SSortLogicNode* pLogicNode = (SSortLogicNode*)pNode;
destroyLogicNode((SLogicNode*)pLogicNode);
nodesDestroyList(pLogicNode->pSortKeys);
break;
}
case QUERY_NODE_LOGIC_PLAN_PARTITION: {
SPartitionLogicNode* pLogicNode = (SPartitionLogicNode*)pNode;
destroyLogicNode((SLogicNode*)pLogicNode);
nodesDestroyList(pLogicNode->pPartitionKeys);
break;
}
case QUERY_NODE_LOGIC_SUBPLAN: {
SLogicSubplan* pSubplan = (SLogicSubplan*)pNode;
nodesDestroyList(pSubplan->pChildren);
nodesDestroyNode(pSubplan->pNode);
nodesClearList(pSubplan->pParents);
taosMemoryFreeClear(pSubplan->pVgroupList);
break;
}
case QUERY_NODE_LOGIC_PLAN:
nodesDestroyList(((SQueryLogicPlan*)pNode)->pTopSubplans);
break;
case QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN:
destroyScanPhysiNode((SScanPhysiNode*)pNode);
break;
case QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN:
destroyScanPhysiNode((SScanPhysiNode*)pNode);
break;
case QUERY_NODE_PHYSICAL_PLAN_TABLE_SEQ_SCAN:
destroyScanPhysiNode((SScanPhysiNode*)pNode);
break;
case QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN:
destroyScanPhysiNode((SScanPhysiNode*)pNode);
break;
case QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN:
destroyScanPhysiNode((SScanPhysiNode*)pNode);
break;
case QUERY_NODE_PHYSICAL_PLAN_PROJECT: {
SProjectPhysiNode* pPhyNode = (SProjectPhysiNode*)pNode;
destroyPhysiNode((SPhysiNode*)pPhyNode);
nodesDestroyList(pPhyNode->pProjections);
break;
}
case QUERY_NODE_PHYSICAL_PLAN_JOIN: {
SJoinPhysiNode* pPhyNode = (SJoinPhysiNode*)pNode;
destroyPhysiNode((SPhysiNode*)pPhyNode);
nodesDestroyNode(pPhyNode->pOnConditions);
nodesDestroyList(pPhyNode->pTargets);
break;
}
case QUERY_NODE_PHYSICAL_PLAN_AGG: {
SAggPhysiNode* pPhyNode = (SAggPhysiNode*)pNode;
destroyPhysiNode((SPhysiNode*)pPhyNode);
nodesDestroyList(pPhyNode->pExprs);
nodesDestroyList(pPhyNode->pAggFuncs);
nodesDestroyList(pPhyNode->pGroupKeys);
break;
}
case QUERY_NODE_PHYSICAL_PLAN_EXCHANGE: {
SExchangePhysiNode* pPhyNode = (SExchangePhysiNode*)pNode;
destroyPhysiNode((SPhysiNode*)pPhyNode);
nodesDestroyList(pPhyNode->pSrcEndPoints);
break;
}
case QUERY_NODE_PHYSICAL_PLAN_SORT: {
SSortPhysiNode* pPhyNode = (SSortPhysiNode*)pNode;
destroyPhysiNode((SPhysiNode*)pPhyNode);
nodesDestroyNode(pPhyNode->pExprs);
nodesDestroyNode(pPhyNode->pSortKeys);
break;
}
case QUERY_NODE_PHYSICAL_PLAN_HASH_INTERVAL:
case QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL:
destroyWinodwPhysiNode((SWinodwPhysiNode*)pNode);
break;
case QUERY_NODE_PHYSICAL_PLAN_SESSION_WINDOW:
case QUERY_NODE_PHYSICAL_PLAN_STREAM_SESSION_WINDOW:
destroyWinodwPhysiNode((SWinodwPhysiNode*)pNode);
break;
case QUERY_NODE_PHYSICAL_PLAN_DISPATCH:
destroyDataSinkNode((SDataSinkNode*)pNode);
break;
case QUERY_NODE_PHYSICAL_PLAN_INSERT: {
SDataInserterNode* pSink = (SDataInserterNode*)pNode;
destroyDataSinkNode((SDataSinkNode*)pSink);
taosMemoryFreeClear(pSink->pData);
break;
}
case QUERY_NODE_PHYSICAL_SUBPLAN: {
SSubplan* pSubplan = (SSubplan*)pNode;
nodesDestroyList(pSubplan->pChildren);
nodesDestroyNode(pSubplan->pNode);
nodesDestroyNode(pSubplan->pDataSink);
nodesClearList(pSubplan->pParents);
break;
}
case QUERY_NODE_PHYSICAL_PLAN: {
SQueryPlan* pPlan = (SQueryPlan*)pNode;
if (NULL != pPlan->pSubplans) {
// only need to destroy the top-level subplans, because they will recurse to all the subplans below
bool first = true;
SNode* pElement = NULL;
FOREACH(pElement, pPlan->pSubplans) {
if (first) {
first = false;
nodesDestroyNode(pElement);
} else {
nodesClearList(((SNodeListNode*)pElement)->pNodeList);
taosMemoryFreeClear(pElement);
}
}
nodesClearList(pPlan->pSubplans);
}
break;
}
default:
break;
}
taosMemoryFreeClear(pNode);
return;
}
SNodeList* nodesMakeList() {
SNodeList* p = taosMemoryCalloc(1, sizeof(SNodeList));
if (NULL == p) {
return NULL;
}
return p;
}
int32_t nodesListAppend(SNodeList* pList, SNodeptr pNode) {
if (NULL == pList || NULL == pNode) {
return TSDB_CODE_FAILED;
}
SListCell* p = taosMemoryCalloc(1, sizeof(SListCell));
if (NULL == p) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return TSDB_CODE_OUT_OF_MEMORY;
}
p->pNode = pNode;
if (NULL == pList->pHead) {
pList->pHead = p;
}
if (NULL != pList->pTail) {
pList->pTail->pNext = p;
}
p->pPrev = pList->pTail;
pList->pTail = p;
++(pList->length);
return TSDB_CODE_SUCCESS;
}
int32_t nodesListStrictAppend(SNodeList* pList, SNodeptr pNode) {
if (NULL == pNode) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = nodesListAppend(pList, pNode);
if (TSDB_CODE_SUCCESS != code) {
nodesDestroyNode(pNode);
}
return code;
}
int32_t nodesListMakeAppend(SNodeList** pList, SNodeptr pNode) {
if (NULL == *pList) {
*pList = nodesMakeList();
if (NULL == *pList) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return TSDB_CODE_OUT_OF_MEMORY;
}
}
return nodesListAppend(*pList, pNode);
}
int32_t nodesListMakeStrictAppend(SNodeList** pList, SNodeptr pNode) {
if (NULL == *pList) {
*pList = nodesMakeList();
if (NULL == *pList) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return TSDB_CODE_OUT_OF_MEMORY;
}
}
return nodesListStrictAppend(*pList, pNode);
}
int32_t nodesListAppendList(SNodeList* pTarget, SNodeList* pSrc) {
if (NULL == pTarget || NULL == pSrc) {
return TSDB_CODE_FAILED;
}
if (NULL == pTarget->pHead) {
pTarget->pHead = pSrc->pHead;
} else {
pTarget->pTail->pNext = pSrc->pHead;
if (NULL != pSrc->pHead) {
pSrc->pHead->pPrev = pTarget->pTail;
}
}
pTarget->pTail = pSrc->pTail;
pTarget->length += pSrc->length;
taosMemoryFreeClear(pSrc);
return TSDB_CODE_SUCCESS;
}
int32_t nodesListStrictAppendList(SNodeList* pTarget, SNodeList* pSrc) {
if (NULL == pSrc) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = nodesListAppendList(pTarget, pSrc);
if (TSDB_CODE_SUCCESS != code) {
nodesDestroyList(pSrc);
}
return code;
}
int32_t nodesListPushFront(SNodeList* pList, SNodeptr pNode) {
if (NULL == pList || NULL == pNode) {
return TSDB_CODE_FAILED;
}
SListCell* p = taosMemoryCalloc(1, sizeof(SListCell));
if (NULL == p) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return TSDB_CODE_OUT_OF_MEMORY;
}
p->pNode = pNode;
if (NULL != pList->pHead) {
pList->pHead->pPrev = p;
p->pNext = pList->pHead;
}
pList->pHead = p;
++(pList->length);
return TSDB_CODE_SUCCESS;
}
SListCell* nodesListErase(SNodeList* pList, SListCell* pCell) {
if (NULL == pCell->pPrev) {
pList->pHead = pCell->pNext;
} else {
pCell->pPrev->pNext = pCell->pNext;
}
if (NULL == pCell->pNext) {
pList->pTail = pCell->pPrev;
} else {
pCell->pNext->pPrev = pCell->pPrev;
}
SListCell* pNext = pCell->pNext;
nodesDestroyNode(pCell->pNode);
taosMemoryFreeClear(pCell);
--(pList->length);
return pNext;
}
void nodesListInsertList(SNodeList* pTarget, SListCell* pPos, SNodeList* pSrc) {
if (NULL == pTarget || NULL == pPos || NULL == pSrc) {
return;
}
if (NULL == pPos->pPrev) {
pTarget->pHead = pSrc->pHead;
} else {
pPos->pPrev->pNext = pSrc->pHead;
}
pSrc->pHead->pPrev = pPos->pPrev;
pSrc->pTail->pNext = pPos;
pPos->pPrev = pSrc->pTail;
pTarget->length += pSrc->length;
taosMemoryFreeClear(pSrc);
}
SNodeptr nodesListGetNode(SNodeList* pList, int32_t index) {
SNode* node;
FOREACH(node, pList) {
if (0 == index--) {
return node;
}
}
return NULL;
}
void nodesDestroyList(SNodeList* pList) {
if (NULL == pList) {
return;
}
SListCell* pNext = pList->pHead;
while (NULL != pNext) {
pNext = nodesListErase(pList, pNext);
}
taosMemoryFreeClear(pList);
}
void nodesClearList(SNodeList* pList) {
if (NULL == pList) {
return;
}
SListCell* pNext = pList->pHead;
while (NULL != pNext) {
SListCell* tmp = pNext;
pNext = pNext->pNext;
taosMemoryFreeClear(tmp);
}
taosMemoryFreeClear(pList);
}
void* nodesGetValueFromNode(SValueNode* pNode) {
switch (pNode->node.resType.type) {
case TSDB_DATA_TYPE_BOOL:
case TSDB_DATA_TYPE_TINYINT:
case TSDB_DATA_TYPE_SMALLINT:
case TSDB_DATA_TYPE_INT:
case TSDB_DATA_TYPE_BIGINT:
case TSDB_DATA_TYPE_TIMESTAMP:
case TSDB_DATA_TYPE_UTINYINT:
case TSDB_DATA_TYPE_USMALLINT:
case TSDB_DATA_TYPE_UINT:
case TSDB_DATA_TYPE_UBIGINT:
case TSDB_DATA_TYPE_FLOAT:
case TSDB_DATA_TYPE_DOUBLE:
return (void*)&pNode->typeData;
case TSDB_DATA_TYPE_NCHAR:
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY:
return (void*)pNode->datum.p;
default:
break;
}
return NULL;
}
int32_t nodesSetValueNodeValue(SValueNode* pNode, void* value) {
switch (pNode->node.resType.type) {
case TSDB_DATA_TYPE_BOOL:
pNode->datum.b = *(bool*)value;
*(bool*)&pNode->typeData = pNode->datum.b;
break;
case TSDB_DATA_TYPE_TINYINT:
pNode->datum.i = *(int8_t*)value;
*(int8_t*)&pNode->typeData = pNode->datum.i;
break;
case TSDB_DATA_TYPE_SMALLINT:
pNode->datum.i = *(int16_t*)value;
*(int16_t*)&pNode->typeData = pNode->datum.i;
break;
case TSDB_DATA_TYPE_INT:
pNode->datum.i = *(int32_t*)value;
*(int32_t*)&pNode->typeData = pNode->datum.i;
break;
case TSDB_DATA_TYPE_BIGINT:
pNode->datum.i = *(int64_t*)value;
*(int64_t*)&pNode->typeData = pNode->datum.i;
break;
case TSDB_DATA_TYPE_TIMESTAMP:
pNode->datum.i = *(int64_t*)value;
*(int64_t*)&pNode->typeData = pNode->datum.i;
break;
case TSDB_DATA_TYPE_UTINYINT:
pNode->datum.u = *(int8_t*)value;
*(int8_t*)&pNode->typeData = pNode->datum.u;
break;
case TSDB_DATA_TYPE_USMALLINT:
pNode->datum.u = *(int16_t*)value;
*(int16_t*)&pNode->typeData = pNode->datum.u;
break;
case TSDB_DATA_TYPE_UINT:
pNode->datum.u = *(int32_t*)value;
*(int32_t*)&pNode->typeData = pNode->datum.u;
break;
case TSDB_DATA_TYPE_UBIGINT:
pNode->datum.u = *(uint64_t*)value;
*(uint64_t*)&pNode->typeData = pNode->datum.u;
break;
case TSDB_DATA_TYPE_FLOAT:
pNode->datum.d = *(float*)value;
*(float*)&pNode->typeData = pNode->datum.d;
break;
case TSDB_DATA_TYPE_DOUBLE:
pNode->datum.d = *(double*)value;
*(double*)&pNode->typeData = pNode->datum.d;
break;
case TSDB_DATA_TYPE_NCHAR:
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY:
pNode->datum.p = (char*)value;
break;
default:
return TSDB_CODE_QRY_APP_ERROR;
}
return TSDB_CODE_SUCCESS;
}
char* nodesGetStrValueFromNode(SValueNode* pNode) {
switch (pNode->node.resType.type) {
case TSDB_DATA_TYPE_BOOL: {
void* buf = taosMemoryMalloc(MAX_NUM_STR_SIZE);
if (NULL == buf) {
return NULL;
}
sprintf(buf, "%s", pNode->datum.b ? "true" : "false");
return buf;
}
case TSDB_DATA_TYPE_TINYINT:
case TSDB_DATA_TYPE_SMALLINT:
case TSDB_DATA_TYPE_INT:
case TSDB_DATA_TYPE_BIGINT:
case TSDB_DATA_TYPE_TIMESTAMP: {
void* buf = taosMemoryMalloc(MAX_NUM_STR_SIZE);
if (NULL == buf) {
return NULL;
}
sprintf(buf, "%" PRId64, pNode->datum.i);
return buf;
}
case TSDB_DATA_TYPE_UTINYINT:
case TSDB_DATA_TYPE_USMALLINT:
case TSDB_DATA_TYPE_UINT:
case TSDB_DATA_TYPE_UBIGINT: {
void* buf = taosMemoryMalloc(MAX_NUM_STR_SIZE);
if (NULL == buf) {
return NULL;
}
sprintf(buf, "%" PRIu64, pNode->datum.u);
return buf;
}
case TSDB_DATA_TYPE_FLOAT:
case TSDB_DATA_TYPE_DOUBLE: {
void* buf = taosMemoryMalloc(MAX_NUM_STR_SIZE);
if (NULL == buf) {
return NULL;
}
sprintf(buf, "%e", pNode->datum.d);
return buf;
}
case TSDB_DATA_TYPE_NCHAR:
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY: {
int32_t bufSize = varDataLen(pNode->datum.p) + 2 + 1;
void* buf = taosMemoryMalloc(bufSize);
if (NULL == buf) {
return NULL;
}
snprintf(buf, bufSize, "'%s'", varDataVal(pNode->datum.p));
return buf;
}
default:
break;
}
return NULL;
}
bool nodesIsExprNode(const SNode* pNode) {
ENodeType type = nodeType(pNode);
return (QUERY_NODE_COLUMN == type || QUERY_NODE_VALUE == type || QUERY_NODE_OPERATOR == type ||
QUERY_NODE_FUNCTION == type || QUERY_NODE_LOGIC_CONDITION == type);
}
bool nodesIsUnaryOp(const SOperatorNode* pOp) {
switch (pOp->opType) {
case OP_TYPE_MINUS:
case OP_TYPE_IS_NULL:
case OP_TYPE_IS_NOT_NULL:
case OP_TYPE_IS_TRUE:
case OP_TYPE_IS_FALSE:
case OP_TYPE_IS_UNKNOWN:
case OP_TYPE_IS_NOT_TRUE:
case OP_TYPE_IS_NOT_FALSE:
case OP_TYPE_IS_NOT_UNKNOWN:
return true;
default:
break;
}
return false;
}
bool nodesIsArithmeticOp(const SOperatorNode* pOp) {
switch (pOp->opType) {
case OP_TYPE_ADD:
case OP_TYPE_SUB:
case OP_TYPE_MULTI:
case OP_TYPE_DIV:
case OP_TYPE_REM:
return true;
default:
break;
}
return false;
}
bool nodesIsComparisonOp(const SOperatorNode* pOp) {
switch (pOp->opType) {
case OP_TYPE_GREATER_THAN:
case OP_TYPE_GREATER_EQUAL:
case OP_TYPE_LOWER_THAN:
case OP_TYPE_LOWER_EQUAL:
case OP_TYPE_EQUAL:
case OP_TYPE_NOT_EQUAL:
case OP_TYPE_IN:
case OP_TYPE_NOT_IN:
case OP_TYPE_LIKE:
case OP_TYPE_NOT_LIKE:
case OP_TYPE_MATCH:
case OP_TYPE_NMATCH:
case OP_TYPE_JSON_CONTAINS:
case OP_TYPE_IS_NULL:
case OP_TYPE_IS_NOT_NULL:
case OP_TYPE_IS_TRUE:
case OP_TYPE_IS_FALSE:
case OP_TYPE_IS_UNKNOWN:
case OP_TYPE_IS_NOT_TRUE:
case OP_TYPE_IS_NOT_FALSE:
case OP_TYPE_IS_NOT_UNKNOWN:
return true;
default:
break;
}
return false;
}
bool nodesIsJsonOp(const SOperatorNode* pOp) {
switch (pOp->opType) {
case OP_TYPE_JSON_GET_VALUE:
case OP_TYPE_JSON_CONTAINS:
return true;
default:
break;
}
return false;
}
bool nodesIsRegularOp(const SOperatorNode* pOp) {
switch (pOp->opType) {
case OP_TYPE_LIKE:
case OP_TYPE_NOT_LIKE:
case OP_TYPE_MATCH:
case OP_TYPE_NMATCH:
return true;
default:
break;
}
return false;
}
typedef struct SCollectColumnsCxt {
int32_t errCode;
const char* pTableAlias;
ECollectColType collectType;
SNodeList* pCols;
SHashObj* pColHash;
} SCollectColumnsCxt;
static EDealRes doCollect(SCollectColumnsCxt* pCxt, SColumnNode* pCol, SNode* pNode) {
char name[TSDB_TABLE_NAME_LEN + TSDB_COL_NAME_LEN];
int32_t len = 0;
if ('\0' == pCol->tableAlias[0]) {
len = sprintf(name, "%s", pCol->colName);
}
len = sprintf(name, "%s.%s", pCol->tableAlias, pCol->colName);
if (NULL == taosHashGet(pCxt->pColHash, name, len)) {
pCxt->errCode = taosHashPut(pCxt->pColHash, name, len, NULL, 0);
if (TSDB_CODE_SUCCESS == pCxt->errCode) {
pCxt->errCode = nodesListStrictAppend(pCxt->pCols, nodesCloneNode(pNode));
}
return (TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR);
}
return DEAL_RES_CONTINUE;
}
static bool isCollectType(ECollectColType collectType, EColumnType colType) {
return COLLECT_COL_TYPE_ALL == collectType
? true
: (COLLECT_COL_TYPE_TAG == collectType ? COLUMN_TYPE_TAG == colType : COLUMN_TYPE_TAG != colType);
}
static EDealRes collectColumns(SNode* pNode, void* pContext) {
SCollectColumnsCxt* pCxt = (SCollectColumnsCxt*)pContext;
if (QUERY_NODE_COLUMN == nodeType(pNode)) {
SColumnNode* pCol = (SColumnNode*)pNode;
if (isCollectType(pCxt->collectType, pCol->colType) &&
(NULL == pCxt->pTableAlias || 0 == strcmp(pCxt->pTableAlias, pCol->tableAlias))) {
return doCollect(pCxt, pCol, pNode);
}
}
return DEAL_RES_CONTINUE;
}
int32_t nodesCollectColumns(SSelectStmt* pSelect, ESqlClause clause, const char* pTableAlias, ECollectColType type,
SNodeList** pCols) {
if (NULL == pSelect || NULL == pCols) {
return TSDB_CODE_FAILED;
}
SCollectColumnsCxt cxt = {
.errCode = TSDB_CODE_SUCCESS,
.pTableAlias = pTableAlias,
.collectType = type,
.pCols = (NULL == *pCols ? nodesMakeList() : *pCols),
.pColHash = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK)};
if (NULL == cxt.pCols || NULL == cxt.pColHash) {
return TSDB_CODE_OUT_OF_MEMORY;
}
*pCols = NULL;
nodesWalkSelectStmt(pSelect, clause, collectColumns, &cxt);
taosHashCleanup(cxt.pColHash);
if (TSDB_CODE_SUCCESS != cxt.errCode) {
nodesDestroyList(cxt.pCols);
return cxt.errCode;
}
if (LIST_LENGTH(cxt.pCols) > 0) {
*pCols = cxt.pCols;
} else {
nodesDestroyList(cxt.pCols);
}
return TSDB_CODE_SUCCESS;
}
typedef struct SCollectFuncsCxt {
int32_t errCode;
FFuncClassifier classifier;
SNodeList* pFuncs;
} SCollectFuncsCxt;
static EDealRes collectFuncs(SNode* pNode, void* pContext) {
SCollectFuncsCxt* pCxt = (SCollectFuncsCxt*)pContext;
if (QUERY_NODE_FUNCTION == nodeType(pNode) && pCxt->classifier(((SFunctionNode*)pNode)->funcId)) {
pCxt->errCode = nodesListStrictAppend(pCxt->pFuncs, nodesCloneNode(pNode));
return (TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR);
}
return DEAL_RES_CONTINUE;
}
int32_t nodesCollectFuncs(SSelectStmt* pSelect, ESqlClause clause, FFuncClassifier classifier, SNodeList** pFuncs) {
if (NULL == pSelect || NULL == pFuncs) {
return TSDB_CODE_FAILED;
}
SCollectFuncsCxt cxt = {
.errCode = TSDB_CODE_SUCCESS, .classifier = classifier, .pFuncs = (NULL == *pFuncs ? nodesMakeList() : *pFuncs)};
if (NULL == cxt.pFuncs) {
return TSDB_CODE_OUT_OF_MEMORY;
}
*pFuncs = NULL;
nodesWalkSelectStmt(pSelect, clause, collectFuncs, &cxt);
if (TSDB_CODE_SUCCESS != cxt.errCode) {
nodesDestroyList(cxt.pFuncs);
return cxt.errCode;
}
if (LIST_LENGTH(cxt.pFuncs) > 0) {
*pFuncs = cxt.pFuncs;
} else {
nodesDestroyList(cxt.pFuncs);
}
return TSDB_CODE_SUCCESS;
}
typedef struct SCollectSpecialNodesCxt {
int32_t errCode;
ENodeType type;
SNodeList* pNodes;
} SCollectSpecialNodesCxt;
static EDealRes collectSpecialNodes(SNode* pNode, void* pContext) {
SCollectSpecialNodesCxt* pCxt = (SCollectSpecialNodesCxt*)pContext;
if (pCxt->type == nodeType(pNode)) {
pCxt->errCode = nodesListStrictAppend(pCxt->pNodes, nodesCloneNode(pNode));
return (TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR);
}
return DEAL_RES_CONTINUE;
}
int32_t nodesCollectSpecialNodes(SSelectStmt* pSelect, ESqlClause clause, ENodeType type, SNodeList** pNodes) {
if (NULL == pSelect || NULL == pNodes) {
return TSDB_CODE_FAILED;
}
SCollectSpecialNodesCxt cxt = {
.errCode = TSDB_CODE_SUCCESS, .type = type, .pNodes = (NULL == *pNodes ? nodesMakeList() : *pNodes)};
if (NULL == cxt.pNodes) {
return TSDB_CODE_OUT_OF_MEMORY;
}
*pNodes = NULL;
nodesWalkSelectStmt(pSelect, SQL_CLAUSE_GROUP_BY, collectSpecialNodes, &cxt);
if (TSDB_CODE_SUCCESS != cxt.errCode) {
nodesDestroyList(cxt.pNodes);
return cxt.errCode;
}
if (LIST_LENGTH(cxt.pNodes) > 0) {
*pNodes = cxt.pNodes;
} else {
nodesDestroyList(cxt.pNodes);
}
return TSDB_CODE_SUCCESS;
}
char* nodesGetFillModeString(EFillMode mode) {
switch (mode) {
case FILL_MODE_NONE:
return "none";
case FILL_MODE_VALUE:
return "value";
case FILL_MODE_PREV:
return "prev";
case FILL_MODE_NULL:
return "null";
case FILL_MODE_LINEAR:
return "linear";
case FILL_MODE_NEXT:
return "next";
default:
return "unknown";
}
}
char* nodesGetNameFromColumnNode(SNode* pNode) {
if (NULL == pNode || QUERY_NODE_COLUMN != pNode->type) {
return "NULL";
}
return ((SColumnNode*)pNode)->colName;
}
int32_t nodesGetOutputNumFromSlotList(SNodeList* pSlots) {
if (NULL == pSlots || pSlots->length <= 0) {
return 0;
}
SNode* pNode = NULL;
int32_t num = 0;
FOREACH(pNode, pSlots) {
if (QUERY_NODE_SLOT_DESC != pNode->type) {
continue;
}
SSlotDescNode* descNode = (SSlotDescNode*)pNode;
if (descNode->output) {
++num;
}
}
return num;
}
void nodesValueNodeToVariant(const SValueNode* pNode, SVariant* pVal) {
pVal->nType = pNode->node.resType.type;
pVal->nLen = pNode->node.resType.bytes;
switch (pNode->node.resType.type) {
case TSDB_DATA_TYPE_NULL:
break;
case TSDB_DATA_TYPE_BOOL:
pVal->i = pNode->datum.b;
break;
case TSDB_DATA_TYPE_TINYINT:
case TSDB_DATA_TYPE_SMALLINT:
case TSDB_DATA_TYPE_INT:
case TSDB_DATA_TYPE_BIGINT:
case TSDB_DATA_TYPE_TIMESTAMP:
pVal->i = pNode->datum.i;
break;
case TSDB_DATA_TYPE_UTINYINT:
case TSDB_DATA_TYPE_USMALLINT:
case TSDB_DATA_TYPE_UINT:
case TSDB_DATA_TYPE_UBIGINT:
pVal->u = pNode->datum.u;
break;
case TSDB_DATA_TYPE_FLOAT:
case TSDB_DATA_TYPE_DOUBLE:
pVal->d = pNode->datum.d;
break;
case TSDB_DATA_TYPE_NCHAR:
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY:
pVal->pz = taosMemoryMalloc(pVal->nLen + VARSTR_HEADER_SIZE + 1);
memcpy(pVal->pz, pNode->datum.p, pVal->nLen + VARSTR_HEADER_SIZE);
pVal->pz[pVal->nLen + VARSTR_HEADER_SIZE] = 0;
break;
case TSDB_DATA_TYPE_JSON:
case TSDB_DATA_TYPE_DECIMAL:
case TSDB_DATA_TYPE_BLOB:
// todo
default:
break;
}
}
int32_t nodesMergeConds(SNode** pDst, SNodeList** pSrc) {
if (NULL == *pSrc) {
return TSDB_CODE_SUCCESS;
}
if (1 == LIST_LENGTH(*pSrc)) {
*pDst = nodesListGetNode(*pSrc, 0);
nodesClearList(*pSrc);
} else {
SLogicConditionNode* pLogicCond = nodesMakeNode(QUERY_NODE_LOGIC_CONDITION);
if (NULL == pLogicCond) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pLogicCond->node.resType.type = TSDB_DATA_TYPE_BOOL;
pLogicCond->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes;
pLogicCond->condType = LOGIC_COND_TYPE_AND;
pLogicCond->pParameterList = *pSrc;
*pDst = (SNode*)pLogicCond;
}
*pSrc = NULL;
return TSDB_CODE_SUCCESS;
}
typedef struct SClassifyConditionCxt {
bool hasPrimaryKey;
bool hasTagIndexCol;
bool hasOtherCol;
} SClassifyConditionCxt;
static EDealRes classifyConditionImpl(SNode* pNode, void* pContext) {
SClassifyConditionCxt* pCxt = (SClassifyConditionCxt*)pContext;
if (QUERY_NODE_COLUMN == nodeType(pNode)) {
SColumnNode* pCol = (SColumnNode*)pNode;
if (PRIMARYKEY_TIMESTAMP_COL_ID == pCol->colId) {
pCxt->hasPrimaryKey = true;
} else if (pCol->hasIndex) {
pCxt->hasTagIndexCol = true;
} else {
pCxt->hasOtherCol = true;
}
return *((bool*)pContext) ? DEAL_RES_CONTINUE : DEAL_RES_END;
}
return DEAL_RES_CONTINUE;
}
typedef enum EConditionType { COND_TYPE_PRIMARY_KEY = 1, COND_TYPE_TAG_INDEX, COND_TYPE_NORMAL } EConditionType;
static EConditionType classifyCondition(SNode* pNode) {
SClassifyConditionCxt cxt = {.hasPrimaryKey = false, .hasTagIndexCol = false, .hasOtherCol = false};
nodesWalkExpr(pNode, classifyConditionImpl, &cxt);
return cxt.hasOtherCol ? COND_TYPE_NORMAL
: (cxt.hasPrimaryKey && cxt.hasTagIndexCol
? COND_TYPE_NORMAL
: (cxt.hasPrimaryKey ? COND_TYPE_PRIMARY_KEY : COND_TYPE_TAG_INDEX));
}
static int32_t partitionLogicCond(SNode** pCondition, SNode** pPrimaryKeyCond, SNode** pTagCond, SNode** pOtherCond) {
SLogicConditionNode* pLogicCond = (SLogicConditionNode*)(*pCondition);
int32_t code = TSDB_CODE_SUCCESS;
SNodeList* pPrimaryKeyConds = NULL;
SNodeList* pTagConds = NULL;
SNodeList* pOtherConds = NULL;
SNode* pCond = NULL;
FOREACH(pCond, pLogicCond->pParameterList) {
switch (classifyCondition(pCond)) {
case COND_TYPE_PRIMARY_KEY:
if (NULL != pPrimaryKeyCond) {
code = nodesListMakeAppend(&pPrimaryKeyConds, nodesCloneNode(pCond));
}
break;
case COND_TYPE_TAG_INDEX:
if (NULL != pTagCond) {
code = nodesListMakeAppend(&pTagConds, nodesCloneNode(pCond));
}
break;
case COND_TYPE_NORMAL:
default:
if (NULL != pOtherCond) {
code = nodesListMakeAppend(&pOtherConds, nodesCloneNode(pCond));
}
break;
}
if (TSDB_CODE_SUCCESS != code) {
break;
}
}
SNode* pTempPrimaryKeyCond = NULL;
SNode* pTempTagCond = NULL;
SNode* pTempOtherCond = NULL;
if (TSDB_CODE_SUCCESS == code) {
code = nodesMergeConds(&pTempPrimaryKeyCond, &pPrimaryKeyConds);
}
if (TSDB_CODE_SUCCESS == code) {
code = nodesMergeConds(&pTempTagCond, &pTagConds);
}
if (TSDB_CODE_SUCCESS == code) {
code = nodesMergeConds(&pTempOtherCond, &pOtherConds);
}
if (TSDB_CODE_SUCCESS == code) {
if (NULL != pPrimaryKeyCond) {
*pPrimaryKeyCond = pTempPrimaryKeyCond;
}
if (NULL != pTagCond) {
*pTagCond = pTempTagCond;
}
if (NULL != pOtherCond) {
*pOtherCond = pTempOtherCond;
}
nodesDestroyNode(*pCondition);
*pCondition = NULL;
} else {
nodesDestroyList(pPrimaryKeyConds);
nodesDestroyList(pTagConds);
nodesDestroyList(pOtherConds);
nodesDestroyNode(pTempPrimaryKeyCond);
nodesDestroyNode(pTempTagCond);
nodesDestroyNode(pTempOtherCond);
}
return code;
}
int32_t nodesPartitionCond(SNode** pCondition, SNode** pPrimaryKeyCond, SNode** pTagCond, SNode** pOtherCond) {
if (QUERY_NODE_LOGIC_CONDITION == nodeType(*pCondition) &&
LOGIC_COND_TYPE_AND == ((SLogicConditionNode*)*pCondition)->condType) {
return partitionLogicCond(pCondition, pPrimaryKeyCond, pTagCond, pOtherCond);
}
switch (classifyCondition(*pCondition)) {
case COND_TYPE_PRIMARY_KEY:
if (NULL != pPrimaryKeyCond) {
*pPrimaryKeyCond = *pCondition;
}
break;
case COND_TYPE_TAG_INDEX:
if (NULL != pTagCond) {
*pTagCond = *pCondition;
}
break;
case COND_TYPE_NORMAL:
default:
if (NULL != pOtherCond) {
*pOtherCond = *pCondition;
}
break;
}
*pCondition = NULL;
return TSDB_CODE_SUCCESS;
}