[TD-10529]refactor & add required APIs.

include/libs/catalog/catalog.h

@@ -25,6 +25,7 @@ extern "C" {
 #include "tarray.h"
 #include "taosdef.h"
 #include "transport.h"
+#include "common.h"
 
 struct SCatalog;
 
@@ -63,13 +64,6 @@ typedef struct SCTableMeta {
   uint64_t suid;
 } SCTableMeta;
 
-typedef struct SSchema {
-  uint8_t type;
-  char    name[TSDB_COL_NAME_LEN];
-  int16_t colId;
-  int16_t bytes;
-} SSchema;
-
 /*
  * Note that the first 24 bytes of STableMeta are identical to SCTableMeta, it is safe to cast a STableMeta to be a SCTableMeta.
  */

include/libs/executor/executor.h

@@ -29,8 +29,7 @@ typedef void* qinfo_t;
  * @param qinfo
  * @return
  */
-int32_t qCreateQueryInfo(void* tsdb, int32_t vgId, SQueryTableMsg* pQueryTableMsg, qinfo_t* qinfo, uint64_t qId);
-
+int32_t qCreateQueryInfo(void* tsdb, int32_t vgId, SQueryTableInfo* pQueryTableMsg, qinfo_t* qinfo, uint64_t qId);
 
 /**
  * the main query execution function, including query on both table and multiple tables,

include/libs/parser/parser.h

@@ -22,8 +22,149 @@ extern "C" {
 
 #include "catalog.h"
 #include "common.h"
+#include "tname.h"
+
+typedef struct SInterval {
+  int32_t  tz;            // query client timezone
+  char     intervalUnit;
+  char     slidingUnit;
+  char     offsetUnit;
+  int64_t  interval;
+  int64_t  sliding;
+  int64_t  offset;
+} SInterval;
+
+typedef struct SSessionWindow {
+  int64_t  gap;             // gap between two session window(in microseconds)
+  int32_t  primaryColId;    // primary timestamp column
+} SSessionWindow;
+
+typedef struct SGroupbyExpr {
+  int16_t  tableIndex;
+  SArray*  columnInfo;  // SArray<SColIndex>, group by columns information
+  int16_t  orderIndex;  // order by column index
+  int16_t  orderType;   // order by type: asc/desc
+} SGroupbyExpr;
+
+typedef struct SField {
+  char     name[TSDB_COL_NAME_LEN];
+  uint8_t  type;
+  int16_t  bytes;
+} SField;
+
+typedef struct SFieldInfo {
+  int16_t     numOfOutput;   // number of column in result
+  SField     *final;
+  SArray     *internalField; // SArray<SInternalField>
+} SFieldInfo;
+
+typedef struct SLimit {
+  int64_t   limit;
+  int64_t   offset;
+} SLimit;
+
+typedef struct SOrder {
+  uint32_t  order;
+  int32_t   orderColId;
+} SOrder;
+
+typedef struct SCond {
+  uint64_t uid;
+  int32_t  len;  // length of tag query condition data
+  char *   cond;
+} SCond;
+
+typedef struct SJoinNode {
+  uint64_t uid;
+  int16_t  tagColId;
+  SArray*  tsJoin;
+  SArray*  tagJoin;
+} SJoinNode;
+
+typedef struct SJoinInfo {
+  bool       hasJoin;
+  SJoinNode *joinTables[TSDB_MAX_JOIN_TABLE_NUM];
+} SJoinInfo;
+
+typedef struct STagCond {
+  int16_t   relType;     // relation between tbname list and query condition, including : TK_AND or TK_OR
+  SCond     tbnameCond;  // tbname query condition, only support tbname query condition on one table
+  SJoinInfo joinInfo;    // join condition, only support two tables join currently
+  SArray   *pCond;       // for different table, the query condition must be seperated
+} STagCond;
+
+typedef struct STableMetaInfo {
+  STableMeta    *pTableMeta;      // table meta, cached in client side and acquired by name
+  uint32_t       tableMetaSize;
+  size_t         tableMetaCapacity;
+  SVgroupsInfo  *vgroupList;
+  SArray        *pVgroupTables;   // SArray<SVgroupTableInfo>
+
+  /*
+   * 1. keep the vgroup index during the multi-vnode super table projection query
+   * 2. keep the vgroup index for multi-vnode insertion
+   */
+  int32_t       vgroupIndex;
+  SName         name;
+  char          aliasName[TSDB_TABLE_NAME_LEN];    // alias name of table specified in query sql
+  SArray       *tagColList;                        // SArray<SColumn*>, involved tag columns
+} STableMetaInfo;
+
+typedef struct SQueryStmtInfo {
+  int16_t          command;       // the command may be different for each subclause, so keep it seperately.
+  uint32_t         type;          // query/insert type
+  STimeWindow      window;        // the whole query time window
+  SInterval        interval;      // tumble time window
+  SSessionWindow   sessionWindow; // session time window
+  SGroupbyExpr     groupbyExpr;   // groupby tags info
+  SArray *         colList;       // SArray<SColumn*>
+  SFieldInfo       fieldsInfo;
+  SArray *         exprList;      // SArray<SExprInfo*>
+  SArray *         exprList1;     // final exprlist in case of arithmetic expression exists
+  SLimit           limit;
+  SLimit           slimit;
+  STagCond         tagCond;
+  SArray *         colCond;
+  SOrder           order;
+  int16_t          numOfTables;
+  int16_t          curTableIdx;
+  STableMetaInfo **pTableMetaInfo;
+  struct STSBuf   *tsBuf;
+
+  int16_t          fillType;      // final result fill type
+  int64_t *        fillVal;       // default value for fill
+  int32_t          numOfFillVal;  // fill value size
+
+  char *           msg;           // pointer to the pCmd->payload to keep error message temporarily
+  int64_t          clauseLimit;   // limit for current sub clause
+
+  int64_t          prjOffset;     // offset value in the original sql expression, only applied at client side
+  int64_t          vgroupLimit;    // table limit in case of super table projection query + global order + limit
+
+  int32_t          udColumnId;    // current user-defined constant output field column id, monotonically decreases from TSDB_UD_COLUMN_INDEX
+  bool             distinct;   // distinct tag or not
+  bool             onlyHasTagCond;
+  int32_t          bufLen;
+  char*            buf;
+  SArray          *pUdfInfo;
+
+  struct SQueryStmtInfo *sibling;     // sibling
+  SArray            *pUpstream;   // SArray<struct SQueryStmtInfo>
+  struct SQueryStmtInfo *pDownstream;
+  int32_t            havingFieldNum;
+  bool               stableQuery;
+  bool               groupbyColumn;
+  bool               simpleAgg;
+  bool               arithmeticOnAgg;
+  bool               projectionQuery;
+  bool               hasFilter;
+  bool               onlyTagQuery;
+  bool               orderProjectQuery;
+  bool               stateWindow;
+  bool               globalMerge;
+  bool               multigroupResult;
+} SQueryStmtInfo;
 
-struct SQueryStmtInfo;
 struct SInsertStmtInfo;
 
 /**

include/libs/planner/planner.h

@@ -20,12 +20,35 @@
 extern "C" {
 #endif
 
+#define QUERY_TYPE_MERGE       1
+#define QUERY_TYPE_PARTIAL     2
+
+struct SEpSet;
+struct SQueryNode;
+struct SQueryPhyNode;
+struct SQueryStmtInfo;
+
+typedef struct SSubquery {
+  int64_t   queryId;            // the subquery id created by qnode
+  int32_t   type;               // QUERY_TYPE_MERGE|QUERY_TYPE_PARTIAL
+  int32_t   level;              // the execution level of current subquery, starting from 0.
+  SArray   *pUpstream;          // the upstream,from which to fetch the result
+  struct SQueryPhyNode *pNode;  // physical plan of current subquery
+} SSubquery;
+
+typedef struct SQueryJob {
+  SArray  **pSubqueries;
+  int32_t   numOfLevels;
+  int32_t   currentLevel;
+} SQueryJob;
+
+
 /**
  * Optimize the query execution plan, currently not implement yet.
  * @param pQueryNode
  * @return
  */
-int32_t qOptimizeQueryPlan(SQueryNode* pQueryNode);
+int32_t qOptimizeQueryPlan(struct SQueryNode* pQueryNode);
 
 /**
  * Create the query plan according to the bound AST, which is in the form of pQueryInfo
@@ -33,14 +56,14 @@ int32_t qOptimizeQueryPlan(SQueryNode* pQueryNode);
  * @param pQueryNode
  * @return
  */
-int32_t qCreateQueryPlan(const SQueryInfo* pQueryInfo, SQueryNode* pQueryNode);
+int32_t qCreateQueryPlan(const struct SQueryStmtInfo* pQueryInfo, struct SQueryNode* pQueryNode);
 
 /**
  * Convert the query plan to string, in order to display it in the shell.
  * @param pQueryNode
  * @return
  */
-int32_t qQueryPlanToString(SQueryNode* pQueryNode, char** str);
+int32_t qQueryPlanToString(struct SQueryNode* pQueryNode, char** str);
 
 /**
  * Restore the SQL statement according to the logic query plan.
@@ -48,7 +71,7 @@ int32_t qQueryPlanToString(SQueryNode* pQueryNode, char** str);
  * @param sql
  * @return
  */
-int32_t qQueryPlanToSql(SQueryNode* pQueryNode, char** sql);
+int32_t qQueryPlanToSql(struct SQueryNode* pQueryNode, char** sql);
 
 /**
  * Create the physical plan for the query, according to the logic plan.
@@ -56,7 +79,7 @@ int32_t qQueryPlanToSql(SQueryNode* pQueryNode, char** sql);
  * @param pPhyNode
  * @return
  */
-int32_t qCreatePhysicalPlan(SQueryNode* pQueryNode, SEpSet* pQnode, SQueryPhyNode *pPhyNode);
+int32_t qCreatePhysicalPlan(struct SQueryNode* pQueryNode, struct SEpSet* pQnode, struct SQueryPhyNode *pPhyNode);
 
 /**
  * Convert to physical plan to string to enable to print it out in the shell.
@@ -64,7 +87,28 @@ int32_t qCreatePhysicalPlan(SQueryNode* pQueryNode, SEpSet* pQnode, SQueryPhyNod
  * @param str
  * @return
  */
-int32_t qPhyPlanToString(SQueryPhyNode *pPhyNode, char** str);
+int32_t qPhyPlanToString(struct SQueryPhyNode *pPhyNode, char** str);
+
+/**
+ * Destroy the query plan object.
+ * @return
+ */
+void* qDestroyQueryPlan(struct SQueryNode* pQueryNode);
+
+/**
+ * Destroy the physical plan.
+ * @param pQueryPhyNode
+ * @return
+ */
+void* qDestroyQueryPhyPlan(struct SQueryPhyNode* pQueryPhyNode);
+
+/**
+ * Create the query job from the physical execution plan
+ * @param pPhyNode
+ * @param pJob
+ * @return
+ */
+int32_t qCreateQueryJob(const struct SQueryPhyNode* pPhyNode, struct SQueryJob** pJob);
 
 #ifdef __cplusplus
 }

include/libs/scheduler/scheduler.h

@@ -20,16 +20,7 @@
 extern "C" {
 #endif
 
-#define QUERY_TASK_MERGE       1
-#define QUERY_TASK_PARTIAL     2
-
-/**
- * create query job from the physical execution plan
- * @param pPhyNode
- * @param pJob
- * @return
- */
-int32_t qCreateQueryJob(const SQueryPhyNode* pPhyNode, SQueryJob* pJob);
+struct SQueryJob;
 
 /**
  * Process the query job, generated according to the query physical plan.
@@ -37,7 +28,7 @@ int32_t qCreateQueryJob(const SQueryPhyNode* pPhyNode, SQueryJob* pJob);
  * @param pJob
  * @return
  */
-int32_t qProcessQueryJob(SQueryJob* pJob);
+int32_t qProcessQueryJob(struct SQueryJob* pJob);
 
 /**
  * The SSqlObj should not be here????
@@ -46,14 +37,14 @@ int32_t qProcessQueryJob(SQueryJob* pJob);
  * @param pRetVgroupId
  * @return
  */
-SArray* qGetInvolvedVgroupIdList(SSqlObj* pSql, SArray* pVgroupId, SArray* pRetVgroupId);
+//SArray* qGetInvolvedVgroupIdList(struct SSqlObj* pSql, SArray* pVgroupId, SArray* pRetVgroupId);
 
 /**
  * Cancel query job
  * @param pJob
  * @return
  */
-int32_t qKillQueryJob(SQueryJob* pJob);
+int32_t qKillQueryJob(struct SQueryJob* pJob);
 
 #ifdef __cplusplus
 }

include/os/os.h

@@ -28,6 +28,9 @@ extern "C" {
 #include <string.h>
 #include <sched.h>
 #include <ctype.h>
+#include <errno.h>
+#include <float.h>
+#include <math.h>
 
 #include "osAtomic.h"
 #include "osDef.h"

source/client/src/client.c

@@ -11,4 +11,11 @@
  *
  * 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/>.
- */
\ No newline at end of file
+ */
+
+//#include "taos.h"
+
+//TAOS_RES *taos_query(TAOS *taos, const char *sql) {
+//
+//}
+

source/common/CMakeLists.txt

@@ -4,4 +4,9 @@ target_include_directories(
     common
     PUBLIC "${CMAKE_SOURCE_DIR}/include/common"
     PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+
+target_link_libraries(
+    common
+    PRIVATE os util
 )
\ No newline at end of file

source/libs/parser/inc/parserInt.h

@@ -21,96 +21,10 @@ extern "C" {
 #endif
 
 #include "catalog.h"
-#include "parser.h"
 #include "tname.h"
-#include "astGen.h"
+#include "astGenerator.h"
 
-typedef struct SField {
-  char     name[TSDB_COL_NAME_LEN];
-  uint8_t  type;
-  int16_t  bytes;
-} SField;
-
-typedef struct SInterval {
-  int32_t  tz;            // query client timezone
-  char     intervalUnit;
-  char     slidingUnit;
-  char     offsetUnit;
-  int64_t  interval;
-  int64_t  sliding;
-  int64_t  offset;
-} SInterval;
-
-typedef struct SSessionWindow {
-  int64_t  gap;             // gap between two session window(in microseconds)
-  int32_t  primaryColId;    // primary timestamp column
-} SSessionWindow;
-
-typedef struct SGroupbyExpr {
-  int16_t  tableIndex;
-  SArray*  columnInfo;  // SArray<SColIndex>, group by columns information
-  int16_t  numOfGroupCols;  // todo remove it
-  int16_t  orderIndex;  // order by column index
-  int16_t  orderType;   // order by type: asc/desc
-} SGroupbyExpr;
-
-typedef struct SFieldInfo {
-  int16_t     numOfOutput;   // number of column in result
-  SField     *final;
-  SArray     *internalField; // SArray<SInternalField>
-} SFieldInfo;
-
-typedef struct SLimitVal {
-  int64_t   limit;
-  int64_t   offset;
-} SLimitVal;
-
-typedef struct SOrderVal {
-  uint32_t  order;
-  int32_t   orderColId;
-} SOrderVal;
-
-typedef struct SCond {
-  uint64_t uid;
-  int32_t  len;  // length of tag query condition data
-  char *   cond;
-} SCond;
-
-typedef struct SJoinNode {
-  uint64_t uid;
-  int16_t  tagColId;
-  SArray*  tsJoin;
-  SArray*  tagJoin;
-} SJoinNode;
-
-typedef struct SJoinInfo {
-  bool       hasJoin;
-  SJoinNode *joinTables[TSDB_MAX_JOIN_TABLE_NUM];
-} SJoinInfo;
-
-typedef struct STagCond {
-  int16_t   relType;     // relation between tbname list and query condition, including : TK_AND or TK_OR
-  SCond     tbnameCond;  // tbname query condition, only support tbname query condition on one table
-  SJoinInfo joinInfo;    // join condition, only support two tables join currently
-  SArray   *pCond;       // for different table, the query condition must be seperated
-} STagCond;
-
-typedef struct STableMetaInfo {
-  STableMeta    *pTableMeta;      // table meta, cached in client side and acquired by name
-  uint32_t       tableMetaSize;
-  size_t         tableMetaCapacity;
-  SVgroupsInfo  *vgroupList;
-  SArray        *pVgroupTables;   // SArray<SVgroupTableInfo>
-
-  /*
-   * 1. keep the vgroup index during the multi-vnode super table projection query
-   * 2. keep the vgroup index for multi-vnode insertion
-   */
-  int32_t       vgroupIndex;
-  SName         name;
-  char          aliasName[TSDB_TABLE_NAME_LEN];    // alias name of table specified in query sql
-  SArray       *tagColList;                        // SArray<SColumn*>, involved tag columns
-} STableMetaInfo;
+struct SSqlNode;
 
 typedef struct SInsertStmtInfo {
   SHashObj *pTableBlockHashList;     // data block for each table
@@ -121,71 +35,16 @@ typedef struct SInsertStmtInfo {
   char     *sql;                     // current sql statement position
 } SInsertStmtInfo;
 
-typedef struct SQueryStmtInfo {
-  int16_t          command;       // the command may be different for each subclause, so keep it seperately.
-  uint32_t         type;          // query/insert type
-  STimeWindow      window;        // the whole query time window
-
-  SInterval        interval;      // tumble time window
-  SSessionWindow   sessionWindow; // session time window
-
-  SGroupbyExpr     groupbyExpr;   // groupby tags info
-  SArray *         colList;       // SArray<SColumn*>
-  SFieldInfo       fieldsInfo;
-  SArray *         exprList;      // SArray<SExprInfo*>
-  SArray *         exprList1;     // final exprlist in case of arithmetic expression exists
-  SLimitVal        limit;
-  SLimitVal        slimit;
-  STagCond         tagCond;
-
-  SArray *         colCond;
-
-  SOrderVal        order;
-  int16_t          numOfTables;
-  int16_t          curTableIdx;
-  STableMetaInfo **pTableMetaInfo;
-  struct STSBuf   *tsBuf;
-
-  int16_t          fillType;      // final result fill type
-  int64_t *        fillVal;       // default value for fill
-  int32_t          numOfFillVal;  // fill value size
-
-  char *           msg;           // pointer to the pCmd->payload to keep error message temporarily
-  int64_t          clauseLimit;   // limit for current sub clause
-
-  int64_t          prjOffset;     // offset value in the original sql expression, only applied at client side
-  int64_t          vgroupLimit;    // table limit in case of super table projection query + global order + limit
-
-  int32_t          udColumnId;    // current user-defined constant output field column id, monotonically decreases from TSDB_UD_COLUMN_INDEX
-  bool             distinct;   // distinct tag or not
-  bool             onlyHasTagCond;
-  int32_t          bufLen;
-  char*            buf;
-  SArray          *pUdfInfo;
-
-  struct SQueryStmtInfo *sibling;     // sibling
-  SArray            *pUpstream;   // SArray<struct SQueryStmtInfo>
-  struct SQueryStmtInfo *pDownstream;
-  int32_t            havingFieldNum;
-  bool               stableQuery;
-  bool               groupbyColumn;
-  bool               simpleAgg;
-  bool               arithmeticOnAgg;
-  bool               projectionQuery;
-  bool               hasFilter;
-  bool               onlyTagQuery;
-  bool               orderProjectQuery;
-  bool               stateWindow;
-  bool               globalMerge;
-  bool               multigroupResult;
-} SQueryStmtInfo;
-
 /**
- * validate the AST by pNode
- * @param pNode
- * @return  SQueryNode a bounded AST with essential meta data from local buffer or mgmt node
+ * Validate the sql info, according to the corresponding metadata info from catalog.
+ * @param pCatalog
+ * @param pSqlInfo
+ * @param pQueryInfo a bounded AST with essential meta data from local buffer or mgmt node
+ * @param id
+ * @param msg
+ * @return
  */
-int32_t qParserValidateSqlNode(struct SCatalog* pCatalog, const SSqlNode* pNode, SQueryStmtInfo* pQueryInfo);
+int32_t qParserValidateSqlNode(struct SCatalog* pCatalog, SSqlInfo* pSqlInfo, SQueryStmtInfo* pQueryInfo, int64_t id, char* msg);
 
 /**
  *
@@ -193,7 +52,7 @@ int32_t qParserValidateSqlNode(struct SCatalog* pCatalog, const SSqlNode* pNode,
  * @param pMetaInfo
  * @return
  */
-int32_t qParserExtractRequestedMetaInfo(const SSqlNode* pSqlNode, SMetaReq* pMetaInfo);
+int32_t qParserExtractRequestedMetaInfo(const struct SSqlNode* pSqlNode, SMetaReq* pMetaInfo);
 
 #ifdef __cplusplus
 }

source/libs/parser/src/parser.c

@@ -14,5 +14,42 @@
  */
 
 #include "parserInt.h"
-#include "astGen.h"
-#include "ttoken.h"
\ No newline at end of file
+#include "ttoken.h"
+#include "astGenerator.h"
+
+bool qIsInsertSql(const char* pStr, size_t length) {
+  return false;
+}
+
+int32_t qParseQuerySql(const char* pStr, size_t length, struct SQueryStmtInfo** pQueryInfo, int64_t id, char* msg) {
+  *pQueryInfo = calloc(1, sizeof(SQueryStmtInfo));
+  if (*pQueryInfo == NULL) {
+    return -1; // set correct error code.
+  }
+
+  SSqlInfo info = genAST(pStr);
+  if (!info.valid) {
+    strcpy(msg, info.msg);
+    return -1; // set correct error code.
+  }
+
+  struct SCatalog* pCatalog = getCatalogHandle(NULL);
+  int32_t code = qParserValidateSqlNode(pCatalog, &info, *pQueryInfo, id, msg);
+  if (code != 0) {
+    return code;
+  }
+
+  return 0;
+}
+
+int32_t qParseInsertSql(const char* pStr, size_t length, struct SInsertStmtInfo** pInsertInfo, int64_t id, char* msg) {
+  return 0;
+}
+
+int32_t qParserConvertSql(const char* pStr, size_t length, char** pConvertSql) {
+  return 0;
+}
+
+int32_t qParserExtractRequestedMetaInfo(const struct SSqlNode* pSqlNode, SMetaReq* pMetaInfo) {
+  return 0;
+}
\ No newline at end of file

source/libs/parser/test/parserTests.cpp

+/*
+ * 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/>.
+ */
\ No newline at end of file

source/libs/planner/CMakeLists.txt

@@ -4,4 +4,9 @@ target_include_directories(
     planner
     PUBLIC "${CMAKE_SOURCE_DIR}/include/libs/planner"
     PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+
+target_link_libraries(
+    planner
+    PRIVATE os util common catalog parser
 )
\ No newline at end of file

source/libs/planner/inc/plannerInt.h

@@ -20,6 +20,39 @@
 extern "C" {
 #endif
 
+#include "common.h"
+#include "tarray.h"
+#include "planner.h"
+
+typedef struct SQueryNodeBasicInfo {
+  int32_t   type;
+  char     *name;
+} SQueryNodeBasicInfo;
+
+typedef struct SQueryTableInfo {
+  char     *tableName;
+  uint64_t  uid;
+  int32_t   tid;
+} SQueryTableInfo;
+
+typedef struct SQueryNode {
+  SQueryNodeBasicInfo info;
+  SQueryTableInfo     tableInfo;
+  SSchema            *pSchema;      // the schema of the input SSDatablock
+  int32_t             numOfCols;    // number of input columns
+  struct SExprInfo   *pExpr;        // the query functions or sql aggregations
+  int32_t             numOfOutput;  // number of result columns, which is also the number of pExprs
+  void               *pExtInfo;     // additional information
+  // previous operator to generated result for current node to process
+  // in case of join, multiple prev nodes exist.
+  SArray             *pPrevNodes;   // upstream nodes
+  struct SQueryNode  *nextNode;
+} SQueryNode;
+
+typedef struct SQueryPhyNode {
+
+} SQueryPhyNode;
+
 #ifdef __cplusplus
 }
 #endif

source/libs/planner/src/planner.c

@@ -11,4 +11,44 @@
  *
  * 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/>.
- */
\ No newline at end of file
+ */
+
+#include "os.h"
+#include "plannerInt.h"
+#include "parser.h"
+
+int32_t qOptimizeQueryPlan(struct SQueryNode* pQueryNode) {
+  return 0;
+}
+
+int32_t qCreateQueryPlan(const struct SQueryStmtInfo* pQueryInfo, struct SQueryNode* pQueryNode) {
+  return 0;
+}
+
+int32_t qQueryPlanToString(struct SQueryNode* pQueryNode, char** str) {
+  return 0;
+}
+
+int32_t qQueryPlanToSql(struct SQueryNode* pQueryNode, char** sql) {
+  return 0;
+}
+
+int32_t qCreatePhysicalPlan(struct SQueryNode* pQueryNode, struct SEpSet* pQnode, struct SQueryPhyNode *pPhyNode) {
+  return 0;
+}
+
+int32_t qPhyPlanToString(struct SQueryPhyNode *pPhyNode, char** str) {
+  return 0;
+}
+
+void* qDestroyQueryPlan(struct SQueryNode* pQueryNode) {
+  return NULL;
+}
+
+void* qDestroyQueryPhyPlan(struct SQueryPhyNode* pQueryPhyNode) {
+  return NULL;
+}
+
+int32_t qCreateQueryJob(const struct SQueryPhyNode* pPhyNode, struct SQueryJob** pJob) {
+  return 0;
+}
\ No newline at end of file

source/libs/scheduler/CMakeLists.txt

+aux_source_directory(src SCHEDULER_SRC)
+add_library(scheduler ${SCHEDULER_SRC})
+
+target_include_directories(
+        scheduler
+        PUBLIC "${CMAKE_SOURCE_DIR}/include/libs/scheduler"
+        PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+
+target_link_libraries(
+        scheduler
+        PRIVATE os util planner
+)
\ No newline at end of file

source/libs/scheduler/inc/schedulerInt.h

@@ -20,6 +20,25 @@
 extern "C" {
 #endif
 
+#include "os.h"
+#include "tarray.h"
+#include "planner.h"
+#include "scheduler.h"
+
+typedef struct SSubquery {
+  int64_t   taskId; // the task id created by qnode
+  int32_t   type;
+  int32_t   level;
+  struct SQueryPhyNode *pNode;
+  SArray   *pUpstream;
+} SSubquery;
+
+typedef struct SQuery {
+  SArray     **pSubquery;
+  int32_t      numOfLevels;
+  int32_t      currentLevel;
+} SQuery;
+
 #ifdef __cplusplus
 }
 #endif

source/libs/scheduler/src/scheduler.c

@@ -11,4 +11,6 @@
  *
  * 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/>.
- */
\ No newline at end of file
+ */
+
+#include "schedulerInt.h"
\ No newline at end of file