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src/vnode/CMakeLists.txt

-CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
-PROJECT(TDengine)
+cmake_minimum_required(VERSION 2.8)
 
-ADD_SUBDIRECTORY(detail)
\ No newline at end of file
+project(tsdb)
+
+add_subdirectory(common)
+
+add_subdirectory(tsdb)
\ No newline at end of file

src/vnode/common/CMakeLists.txt

+aux_source_directory(${CMAKE_CURRENT_SOURCE_DIR}/src SOURCE_LIST)
+
+list(REMOVE_ITEM SOURCE_LIST ${CMAKE_CURRENT_SOURCE_DIR}/src/vnodePeer.c)
+
+message(STATUS "Common source file ${SOURCE_LIST}")
+
+add_library(common ${SOURCE_LIST})
+target_include_directories(common PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/inc")

src/vnode/common/src/schema.c

@@ -51,7 +51,7 @@ SISchema tdConvertSchemaToInline(SSchema *pSchema) {
   char *pName = TD_ISCHEMA_COL_NAMES(pISchema);
   for (int32_t i = 0; i < totalCols; i++) {
     SColumn *pCol = TD_SCHEMA_COLUMN_AT(TD_ISCHEMA_SCHEMA(pISchema), i);
-    char *   colName = TD_COLUMN_NAME(TD_SCHEMA_COLUMN_AT(pSchema, i), i);
+    char *   colName = TD_COLUMN_NAME(TD_SCHEMA_COLUMN_AT(pSchema, i));
 
     TD_COLUMN_NAME(pCol) = pName;
 

src/vnode/tsdb/CMakeLists.txt

+aux_source_directory(${CMAKE_CURRENT_SOURCE_DIR}/src SOURCE_LIST)
+
+message(STATUS "tsdb source files: ${SOURCE_LIST}")
+
+add_library(tsdb STATIC ${SOURCE_LIST})
+
+target_link_libraries(tsdb common)
+
+target_include_directories(tsdb PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/inc")
\ No newline at end of file

src/vnode/tsdb/inc/tsdb.h

@@ -8,7 +8,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 
-#include "cache.h"
+// #include "cache.h"
 #include "schema.h"
 
 #define TSDB_VERSION_MAJOR 1
@@ -69,7 +69,7 @@ typedef struct {
   SDataShardPolicy dataShardPolicy;
   SBlockRowsPolicy blockRowsPolicy;
   SRetentionPolicy retentionPlicy;  // retention configuration
-  SCachePool *     cachePool;       // the cache pool the repository to use
+  void *           cachePool;       // the cache pool the repository to use
 } STSDBCfg;
 
 // the TSDB repository info
@@ -220,6 +220,9 @@ typedef struct STimeWindow {
   int64_t ekey;
 } STimeWindow;
 
+typedef struct {
+} SColumnFilterInfo;
+
 // query condition to build vnode iterator
 typedef struct STSDBQueryCond {
   STimeWindow       twindow;
@@ -252,6 +255,10 @@ typedef struct STableIDList {
   int32_t   num;
 } STableIDList;
 
+typedef struct {
+
+} SFields;
+
 /**
  * Get the data block iterator, starting from position according to the query condition
  * @param pRepo  the TSDB repository to query on

src/vnode/tsdb/inc/tsdbCache.h

@@ -3,7 +3,7 @@
 
 #include <stdint.h>
 
-#include "cache.h"
+// #include "cache.h"
 
 #define TSDB_DEFAULT_CACHE_BLOCK_SIZE 16*1024*1024 /* 16M */
 
@@ -13,11 +13,11 @@ typedef struct {
   int32_t numOfRows // numOfRows
 } STableCacheInfo;
 
-typedef struct {
-  char *pData;
-  STableCacheInfo *pTableInfo;
-  SCacheBlock *prev;
-  SCacheBlock *next;
+typedef struct _tsdb_cache_block {
+  char *                    pData;
+  STableCacheInfo *         pTableInfo;
+  struct _tsdb_cache_block *prev;
+  struct _tsdb_cache_block *next;
 } STSDBCacheBlock;
 
 // Use a doublely linked list to implement this
@@ -28,7 +28,6 @@ typedef struct STSDBCache {
   void *           current;
 } SCacheHandle;
 
-
 // ---- Operation on STSDBCacheBlock
 #define TSDB_CACHE_BLOCK_DATA(pBlock) ((pBlock)->pData)
 #define TSDB_CACHE_AVAIL_SPACE(pBlock) ((char *)((pBlock)->pTableInfo) - ((pBlock)->pData))

src/vnode/tsdb/inc/tsdbFile.h

 #if !defined(_TD_TSDB_FILE_H_)
 #define _TD_TSDB_FILE_H_
 
-#include "tstring.h"
+#include <stdint.h>
+// #include "tstring.h"
 
 typedef int32_t file_id_t;
 
@@ -24,7 +25,7 @@ typedef struct {
 } SFileInfo;
 
 typedef struct {
-  tstring_t fname;
+  char *    fname;
   SFileInfo fInfo;
 } SFILE;
 

src/vnode/tsdb/inc/tsdbMeta.h

@@ -4,7 +4,7 @@
 
 #include <pthread.h>
 
-#include "taosdef.h"
+// #include "taosdef.h"
 
 // Initially, there are 4 tables
 #define TSDB_INIT_NUMBER_OF_SUPER_TABLE 4
@@ -30,7 +30,7 @@ typedef struct STable {
   // For TSDB_SUPER_TABLE, it is the schema including tags
   // For TSDB_NTABLE, it is only the schema, not including tags
   // For TSDB_STABLE, it is NULL
-  SVSchema *pSchema;
+  SSchema *pSchema;
 
   // Tag value for this table
   // For TSDB_SUPER_TABLE and TSDB_NTABLE, it is NULL
@@ -75,7 +75,7 @@ typedef struct {
 #define TSDB_TABLE_CACHE_DATA(pTable) ((pTable)->content.pData)
 #define TSDB_SUPER_TABLE_INDEX(pTable) ((pTable)->content.pIndex)
 
-SVSchema *tsdbGetTableSchema(STable *pTable);
+SSchema *tsdbGetTableSchema(STable *pTable);
 
 // ---- Operation on SMetaHandle
 #define TSDB_NUM_OF_TABLES(pHandle) ((pHandle)->numOfTables)

src/vnode/tsdb/src/tsdb.c

@@ -2,14 +2,15 @@
 #include <stdint.h>
 #include <stdlib.h>
 
-#include "taosdef.h"
+// #include "taosdef.h"
 // #include "disk.h"
+#include "tsdb.h"
 #include "tsdbCache.h"
 #include "tsdbMeta.h"
 
 typedef struct STSDBRepo {
   // TSDB configuration
-  STSDBcfg *pCfg;
+  STSDBCfg *pCfg;
 
   // The meter meta handle of this TSDB repository
   SMetaHandle *pMetaHandle;
@@ -18,12 +19,12 @@ typedef struct STSDBRepo {
   SCacheHandle *pCacheHandle;
 
   // Disk tier handle for multi-tier storage
-  SDiskTier *pDiskTier;
+  void *pDiskTier;
 
   // File Store
   void *pFileStore;
 
-  pthread_mutext_t tsdbMutex;
+  pthread_mutex_t tsdbMutex;
 
 } STSDBRepo;
 

src/vnode/tsdb/src/tsdbFileStore.c

 #include "tsdbFile.h"
 
 char *tsdbGetFileName(char *dirName, char *fname, TSDB_FILE_TYPE type){
-    char *suffix = tsdbFileSuffix[type];
+    // char *suffix = tsdbFileSuffix[type];
     // TODO 
 }
\ No newline at end of file

src/vnode/tsdb/src/tsdbMeta.c

 #include <stdlib.h>
 
-#include "taosdef.h"
+// #include "taosdef.h"
+#include "tsdb.h"
 #include "tsdbMeta.h"
 
 SMetaHandle *tsdbCreateMetaHandle(int32_t numOfTables) {
@@ -11,7 +12,7 @@ SMetaHandle *tsdbCreateMetaHandle(int32_t numOfTables) {
 
   pMetahandle->numOfTables = 0;
   pMetahandle->numOfSuperTables = 0;
-  pMetahandle->pTables = calloc(sizeof(STable *) * numOfTables);
+  pMetahandle->pTables = calloc(sizeof(STable *), numOfTables);
   if (pMetahandle->pTables == NULL) {
     free(pMetahandle);
     return NULL;