fix bugs #1170. [tbase-1492]
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@ -3024,14 +3024,14 @@ static void diff_function(SQLFunctionCtx *pCtx) {
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if (pCtx->param[1].nType == INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
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pCtx->param[1].i64Key = pData[i];
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pCtx->param[1].nType = pCtx->inputType;
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} else if (i == 0) {
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} else if ((i == 0 && pCtx->order == TSQL_SO_ASC) || (i == pCtx->size - 1 && pCtx->order == TSQL_SO_DESC)) {
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*pOutput = pData[i] - pCtx->param[1].i64Key;
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*pTimestamp = pCtx->ptsList[i];
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pOutput += step;
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pTimestamp += step;
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} else {
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*pOutput = pData[i] - pData[i - 1];
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*pOutput = pData[i] - pData[i - step];
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*pTimestamp = pCtx->ptsList[i];
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pOutput += step;
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@ -3056,13 +3056,13 @@ static void diff_function(SQLFunctionCtx *pCtx) {
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if (pCtx->param[1].nType == INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
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pCtx->param[1].dKey = pData[i];
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pCtx->param[1].nType = pCtx->inputType;
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} else if (i == 0) {
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} else if ((i == 0 && pCtx->order == TSQL_SO_ASC) || (i == pCtx->size - 1 && pCtx->order == TSQL_SO_DESC)) {
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*pOutput = pData[i] - pCtx->param[1].dKey;
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*pTimestamp = pCtx->ptsList[i];
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pOutput += step;
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pTimestamp += step;
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} else {
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*pOutput = pData[i] - pData[i - 1];
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*pOutput = pData[i] - pData[i - step];
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*pTimestamp = pCtx->ptsList[i];
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pOutput += step;
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pTimestamp += step;
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@ -3086,13 +3086,13 @@ static void diff_function(SQLFunctionCtx *pCtx) {
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if (pCtx->param[1].nType == INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
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pCtx->param[1].dKey = pData[i];
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pCtx->param[1].nType = pCtx->inputType;
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} else if (i == 0) {
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} else if ((i == 0 && pCtx->order == TSQL_SO_ASC) || (i == pCtx->size - 1 && pCtx->order == TSQL_SO_DESC)) {
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*pOutput = pData[i] - pCtx->param[1].dKey;
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*pTimestamp = pCtx->ptsList[i];
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pOutput += step;
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pTimestamp += step;
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} else {
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*pOutput = pData[i] - pData[i - 1];
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*pOutput = pData[i] - pData[i - step];
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*pTimestamp = pCtx->ptsList[i];
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pOutput += step;
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pTimestamp += step;
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@ -3117,13 +3117,13 @@ static void diff_function(SQLFunctionCtx *pCtx) {
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if (pCtx->param[1].nType == INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
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pCtx->param[1].i64Key = pData[i];
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pCtx->param[1].nType = pCtx->inputType;
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} else if (i == 0) {
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} else if ((i == 0 && pCtx->order == TSQL_SO_ASC) || (i == pCtx->size - 1 && pCtx->order == TSQL_SO_DESC)) {
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*pOutput = pData[i] - pCtx->param[1].i64Key;
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*pTimestamp = pCtx->ptsList[i];
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pOutput += step;
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pTimestamp += step;
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} else {
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*pOutput = pData[i] - pData[i - 1];
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*pOutput = pData[i] - pData[i - step];
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*pTimestamp = pCtx->ptsList[i];
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pOutput += step;
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pTimestamp += step;
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@ -3147,13 +3147,13 @@ static void diff_function(SQLFunctionCtx *pCtx) {
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if (pCtx->param[1].nType == INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
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pCtx->param[1].i64Key = pData[i];
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pCtx->param[1].nType = pCtx->inputType;
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} else if (i == 0) {
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} else if ((i == 0 && pCtx->order == TSQL_SO_ASC) || (i == pCtx->size - 1 && pCtx->order == TSQL_SO_DESC)) {
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*pOutput = pData[i] - pCtx->param[1].i64Key;
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*pTimestamp = pCtx->ptsList[i];
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pOutput += step;
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pTimestamp += step;
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} else {
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*pOutput = pData[i] - pData[i - 1];
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*pOutput = pData[i] - pData[i - step];
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*pTimestamp = pCtx->ptsList[i];
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pOutput += step;
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pTimestamp += step;
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