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src/vnode/common/catalog/inc/schema.h

@@ -0,0 +1,18 @@
+#if !defined(_TD_SCHEMA_H_)
+#define _TD_SCHEMA_H_
+
+#include <stdint.h>
+
+#include "type.h"
+
+typedef struct _scolumn {
+  td_datatype_t type;
+  int32_t bytes;
+} SColumn;
+
+typedef struct SSchema {
+  int32_t numOfCols;
+  SColumn *columns;
+} SSchema;
+
+#endif  // _TD_SCHEMA_H_

src/vnode/common/catalog/inc/type.h

@@ -0,0 +1,30 @@
+#if !defined(_TD_TYPE_H_)
+#define _TD_TYPE_H_
+
+typedef enum {
+    TD_DATATYPE_INVLD = 0,
+    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_t;
+
+// TODO: finish below
+#define TD_DATATYPE_BOOL_NULL
+#define TD_DATATYPE_TINYINT_NULL
+#define TD_DATATYPE_SMALLINT_NULL
+#define TD_DATATYPE_INT_NULL
+#define TD_DATATYPE_BIGINT_NULL
+#define TD_DATATYPE_FLOAT_NULL
+#define TD_DATATYPE_DOUBLE_NULL
+#define TD_DATATYPE_VARCHAR_NULL
+#define TD_DATATYPE_NCHAR_NULL
+#define TD_DATATYPE_BINARY_NULL
+
+#endif // _TD_TYPE_H_

src/vnode/common/data/inc/data.h

@@ -0,0 +1,18 @@
+#if !defined(_TD_DATA_H_)
+#define _TD_DATA_H_
+
+#include <stdint.h>
+
+// ---- Row data interface
+typedef struct {
+    int32_t numOfRows;
+    char * data;
+} SRData;
+
+// ---- Column data interface
+typedef struct {
+    int32_t numOfPoints;
+    char *data;
+} SCData;
+
+#endif // _TD_DATA_H_

src/vnode/tsdb/src/tsdb.c

@@ -31,6 +31,7 @@ typedef struct STSDBRepo
     void *pTableDict;
 
     /* Map from super tableName->table
+     * TODO: may use dict
      */
     void *pSTableDict;