add more

src/vnode/common/inc/dataformat.h

@@ -3,7 +3,6 @@
 
 #include <stdint.h>
 
-#include "type.h"
 #include "schema.h"
 
 // ----------------- Data row structure
@@ -63,4 +62,6 @@ typedef char * SDataCols;
 #define TD_DATACOLS_LEN(pDataCols) (*(int32_t *)(pDataCols))
 #define TD_DATACOLS_NPOINTS(pDataCols) (*(int32_t *)(pDataCols + sizeof(int32_t)))
 
+// ----
+
 #endif // _TD_DATA_FORMAT_H_

src/vnode/common/inc/schema.h

@@ -12,6 +12,7 @@ typedef struct {
   td_datatype_t type;     // Column type
   int32_t       colId;    // column ID
   int32_t       bytes;    // column bytes
+  int32_t       offset;   // point offset in a row data
   char *        colName;  // the column name
 } SColumn;
 
@@ -40,6 +41,7 @@ typedef char *SISchema;
 #define TD_COLUMN_TYPE(pCol) ((pCol)->type)     // column type
 #define TD_COLUMN_ID(pCol) ((pCol)->colId)      // column ID
 #define TD_COLUMN_BYTES(pCol) ((pCol)->bytes)   // column bytes
+#define TD_COLUMN_OFFSET(pCol) ((pCol)->offset)   // column bytes
 #define TD_COLUMN_NAME(pCol) ((pCol)->colName)  // column name
 #define TD_COLUMN_INLINE_SIZE(pCol) (sizeof(SColumn) + TD_COLUMN_NAME(pCol) + 1)
 
@@ -66,6 +68,6 @@ SISchema tdConvertSchemaToInline(SSchema *pSchema);
 int32_t tdGetColumnIdxByName(SSchema *pSchema, char *colName);
 int32_t tdGetColumnIdxById(SSchema *pSchema, int32_t colId);
 
-// ---- TODO: operations to change schema
+// ---- TODO: operations to modify schema
 
 #endif  // _TD_SCHEMA_H_

src/vnode/common/inc/type.h

@@ -4,19 +4,31 @@
 #include <stdint.h>
 
 typedef enum {
-    TD_DATATYPE_INVLD = 0, // invalid data type
-    TD_DATATYPE_BOOL,
-    TD_DATATYPE_TINYINT,
-    TD_DATATYPE_SMALLINT,
-    TD_DATATYPE_INT,
-    TD_DATATYPE_BIGINT,
-    TD_DATATYPE_FLOAT,
-    TD_DATATYPE_DOUBLE,
-    TD_DATATYPE_VARCHAR,
-    TD_DATATYPE_NCHAR,
-    TD_DATATYPE_BINARY
+  TD_DATATYPE_BOOL = 0,
+  TD_DATATYPE_TINYINT,
+  TD_DATATYPE_SMALLINT,
+  TD_DATATYPE_INT,
+  TD_DATATYPE_BIGINT,
+  TD_DATATYPE_FLOAT,
+  TD_DATATYPE_DOUBLE,
+  TD_DATATYPE_VARCHAR,
+  TD_DATATYPE_NCHAR,
+  TD_DATATYPE_BINARY
 } td_datatype_t;
 
+const int32_t rowDataLen[] = {
+    sizeof(int8_t),   // TD_DATATYPE_BOOL,
+    sizeof(int8_t),   // TD_DATATYPE_TINYINT,
+    sizeof(int16_t),  // TD_DATATYPE_SMALLINT,
+    sizeof(int32_t),  // TD_DATATYPE_INT,
+    sizeof(int64_t),  // TD_DATATYPE_BIGINT,
+    sizeof(float),    // TD_DATATYPE_FLOAT,
+    sizeof(double),   // TD_DATATYPE_DOUBLE,
+    sizeof(int32_t),  // TD_DATATYPE_VARCHAR,
+    sizeof(int32_t),  // TD_DATATYPE_NCHAR,
+    sizeof(int32_t)   // TD_DATATYPE_BINARY
+};
+
 // TODO: finish below
 #define TD_DATATYPE_BOOL_NULL
 #define TD_DATATYPE_TINYINT_NULL
@@ -31,4 +43,4 @@ typedef enum {
 
 #define TD_IS_VALID_DATATYPE(type) (((type) > TD_DATA_TYPE_INVLD) && ((type) <= TD_DATATYPE_BINARY))
 
-#endif // _TD_TYPE_H_
+#endif  // _TD_TYPE_H_

src/vnode/common/src/dataformat.c

+#include <stdlib.h>
+
+#include "dataformat.h"

src/vnode/common/src/schema.c

@@ -15,6 +15,23 @@ static size_t tdGetEstimatedISchemaLen(SSchema *pSchema) {
   return TD_ISCHEMA_HEADER_SIZE + (size_t)TD_SCHEMA_TOTAL_COLS(pSchema) + colNameLen;
 }
 
+static void tdUpdateColumnOffsets(SSchema *pSchema) {
+  int32_t offset = 0;
+  for (size_t i = 0; i < TD_SCHEMA_NCOLS(pSchema); i++)
+  {
+    SColumn *pCol = TD_SCHEMA_COLUMN_AT(pSchema, i);
+    TD_COLUMN_OFFSET(pCol) = offset;
+    offset += rowDataLen[TD_COLUMN_TYPE(pCol)];
+  }
+
+  offset = 0;
+  for (size_t i = 0; i < TD_SCHEMA_NTAGS(pSchema); i++) {
+    SColumn *pCol = TD_SCHEMA_TAG_AT(pSchema, i);
+    TD_COLUMN_OFFSET(pCol) = offset;
+    offset += rowDataLen[TD_COLUMN_TYPE(pCol)];
+  }
+}
+
 SISchema tdConvertSchemaToInline(SSchema *pSchema) {
   size_t  len = tdGetEstimatedISchemaLen(pSchema);
   int32_t totalCols = TD_SCHEMA_TOTAL_COLS(pSchema);
@@ -61,7 +78,7 @@ int32_t tdGetColumnIdxById(SSchema *pSchema, int32_t colId) {
   for (int32_t i = 0; i < TD_SCHEMA_TOTAL_COLS(pSchema); i++) {
     SColumn *pCol = TD_SCHEMA_COLUMN_AT(pSchema, i);
     if (TD_COLUMN_ID(pCol) == colId) {
-        return i;
+      return i;
     }
   }
   return -1;

src/vnode/tsdb/inc/tsdbCache.h

@@ -4,7 +4,6 @@
 #include <stdint.h>
 
 #include "cache.h"
-#include "dlist.h"
 
 #define TSDB_DEFAULT_CACHE_BLOCK_SIZE 16*1024*1024 /* 16M */
 

src/vnode/tsdb/inc/tsdbFile.h

@@ -5,13 +5,20 @@
 
 typedef int32_t file_id_t;
 
-typedef enum : uint8_t {
-  TSDB_FILE_TYPE_HEAD,
-  TSDB_FILE_TYPE_DATA,
-  TSDB_FILE_TYPE_LAST,
-  TSDB_FILE_TYPE_META
+typedef enum {
+  TSDB_FILE_TYPE_HEAD,  // .head file type
+  TSDB_FILE_TYPE_DATA,  // .data file type
+  TSDB_FILE_TYPE_LAST,  // .last file type
+  TSDB_FILE_TYPE_META   // .meta file type
 } TSDB_FILE_TYPE;
 
+const char *tsdbFileSuffix[] = {
+  ".head",  // TSDB_FILE_TYPE_HEAD
+  ".data",  // TSDB_FILE_TYPE_DATA
+  ".last",  // TSDB_FILE_TYPE_LAST
+  ".meta"   // TSDB_FILE_TYPE_META
+};
+
 typedef struct {
   int64_t fileSize;
 } SFileInfo;
@@ -28,9 +35,6 @@ typedef struct {
   int16_t numOfBlocks;
 } SDataBlock;
 
-tstring_t tdGetHeadFileName(/* TODO */);
-tstring_t tdGetDataFileName(/* TODO */);
-tstring_t tdGetLastFileName(/* TODO */);
-tstring_t tdGetMetaFileName(/* TODO */);
+char *tsdbGetFileName(char *dirName, char *fname, TSDB_FILE_TYPE type);
 
 #endif  // _TD_TSDB_FILE_H_

src/vnode/tsdb/src/tsdbFileStore.c

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