fix: format udf example codes
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05be996342
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09f6411f66
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@ -55,7 +55,7 @@ DLL_EXPORT int32_t bit_and(SUdfDataBlock* block, SUdfColumn* resultCol) {
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}
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resultData->numOfRows = block->numOfRows;
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udfTrace("block:%p, processing completed, rows:%d, cols:%d,", block, block->numOfRows, block->numOfCols);
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udfTrace("block:%p, processing completed", block);
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return TSDB_CODE_SUCCESS;
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}
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@ -1,32 +1,26 @@
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "taosudf.h"
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DLL_EXPORT int32_t l2norm_init() {
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return 0;
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}
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DLL_EXPORT int32_t l2norm_init() { return 0; }
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DLL_EXPORT int32_t l2norm_destroy() {
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return 0;
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}
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DLL_EXPORT int32_t l2norm_destroy() { return 0; }
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DLL_EXPORT int32_t l2norm_start(SUdfInterBuf *buf) {
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DLL_EXPORT int32_t l2norm_start(SUdfInterBuf* buf) {
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*(int64_t*)(buf->buf) = 0;
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buf->bufLen = sizeof(double);
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buf->numOfResult = 1;
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return 0;
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}
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DLL_EXPORT int32_t l2norm(SUdfDataBlock* block, SUdfInterBuf *interBuf, SUdfInterBuf *newInterBuf) {
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DLL_EXPORT int32_t l2norm(SUdfDataBlock* block, SUdfInterBuf* interBuf, SUdfInterBuf* newInterBuf) {
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double sumSquares = *(double*)interBuf->buf;
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int8_t numNotNull = 0;
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for (int32_t i = 0; i < block->numOfCols; ++i) {
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SUdfColumn* col = block->udfCols[i];
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if (!(col->colMeta.type == TSDB_DATA_TYPE_INT ||
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col->colMeta.type == TSDB_DATA_TYPE_DOUBLE)) {
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if (!(col->colMeta.type == TSDB_DATA_TYPE_INT || col->colMeta.type == TSDB_DATA_TYPE_DOUBLE)) {
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return TSDB_CODE_UDF_INVALID_INPUT;
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}
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}
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@ -62,7 +56,7 @@ DLL_EXPORT int32_t l2norm(SUdfDataBlock* block, SUdfInterBuf *interBuf, SUdfInte
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return 0;
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}
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DLL_EXPORT int32_t l2norm_finish(SUdfInterBuf* buf, SUdfInterBuf *resultData) {
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DLL_EXPORT int32_t l2norm_finish(SUdfInterBuf* buf, SUdfInterBuf* resultData) {
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double sumSquares = *(double*)(buf->buf);
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*(double*)(resultData->buf) = sqrt(sumSquares);
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resultData->bufLen = sizeof(double);
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@ -1,30 +1,22 @@
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "taosudf.h"
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#define STR_MAX_LEN 256 // inter buffer length
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// init
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DLL_EXPORT int32_t max_vol_init()
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{
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return 0;
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}
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DLL_EXPORT int32_t max_vol_init() { return 0; }
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// destory
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DLL_EXPORT int32_t max_vol_destroy()
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{
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return 0;
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}
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DLL_EXPORT int32_t max_vol_destroy() { return 0; }
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// start
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DLL_EXPORT int32_t max_vol_start(SUdfInterBuf *buf)
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{
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DLL_EXPORT int32_t max_vol_start(SUdfInterBuf *buf) {
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memset(buf->buf, 0, sizeof(float) + STR_MAX_LEN);
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// set init value
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*((float*)buf->buf) = -10000000;
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*((float *)buf->buf) = -10000000;
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buf->bufLen = sizeof(float) + STR_MAX_LEN;
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buf->numOfResult = 0;
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return 0;
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@ -34,18 +26,16 @@ DLL_EXPORT int32_t max_vol(SUdfDataBlock *block, SUdfInterBuf *interBuf, SUdfInt
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float maxValue = *(float *)interBuf->buf;
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char strBuff[STR_MAX_LEN] = "inter1buf";
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if (block->numOfCols < 2)
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{
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if (block->numOfCols < 2) {
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return TSDB_CODE_UDF_INVALID_INPUT;
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}
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// check data type
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for (int32_t i = 0; i < block->numOfCols; ++i)
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{
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for (int32_t i = 0; i < block->numOfCols; ++i) {
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SUdfColumn *col = block->udfCols[i];
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if( i == block->numOfCols - 1) {
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if (i == block->numOfCols - 1) {
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// last column is device id , must varchar
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if (col->colMeta.type != TSDB_DATA_TYPE_VARCHAR ) {
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if (col->colMeta.type != TSDB_DATA_TYPE_VARCHAR) {
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return TSDB_CODE_UDF_INVALID_INPUT;
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}
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} else {
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@ -75,23 +65,22 @@ DLL_EXPORT int32_t max_vol(SUdfDataBlock *block, SUdfInterBuf *interBuf, SUdfInt
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}
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}
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*(float*)newInterBuf->buf = maxValue;
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*(float *)newInterBuf->buf = maxValue;
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strcpy(newInterBuf->buf + sizeof(float), strBuff);
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newInterBuf->bufLen = sizeof(float) + strlen(strBuff)+1;
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newInterBuf->bufLen = sizeof(float) + strlen(strBuff) + 1;
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newInterBuf->numOfResult = 1;
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return 0;
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}
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DLL_EXPORT int32_t max_vol_finish(SUdfInterBuf *buf, SUdfInterBuf *resultData)
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{
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char * str = buf->buf + sizeof(float);
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DLL_EXPORT int32_t max_vol_finish(SUdfInterBuf *buf, SUdfInterBuf *resultData) {
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char *str = buf->buf + sizeof(float);
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// copy to des
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char * des = resultData->buf + sizeof(uint16_t);
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char *des = resultData->buf + sizeof(uint16_t);
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strcpy(des, str);
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// set binary type len
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uint16_t len = strlen(str);
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*((uint16_t*)resultData->buf) = len;
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*((uint16_t *)resultData->buf) = len;
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// set buf len
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resultData->bufLen = len + sizeof(uint16_t);
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