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TDengine
提交 518caac6 编写于 作者: G Ganlin Zhao
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[TD-11220]<feature>(query): time related functions

上级 9cef33d6
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Showing with 81 addition and 67 deletion
src/common/src/texpr.c
浏览文件 @ 518caac6
......@@ -2007,86 +2007,100 @@ void vectorTimeFunc(int16_t functionId, tExprOperandInfo *pInputs, int32_t numIn
assert(pInputs[1].type == TSDB_DATA_TYPE_TIMESTAMP);
assert(pInputs[2].type == TSDB_DATA_TYPE_BIGINT);
int64_t timeUnit, timePrec;
int64_t timeUnit, timePrec, timeVal = 0;
GET_TYPED_DATA(timeUnit, int64_t, pInputs[1].type, inputData[1]);
GET_TYPED_DATA(timePrec, int64_t, pInputs[2].type, inputData[2]);
if (pInputs[0].type == TSDB_DATA_TYPE_BINARY ||
pInputs[0].type == TSDB_DATA_TYPE_NCHAR) {
int64_t timeVal = 0;
pInputs[0].type == TSDB_DATA_TYPE_NCHAR) { /* datetime format strings */
taosParseTime((char *)varDataVal(inputData[0]), &timeVal, pInputs[0].bytes, timePrec, 0);
} else if (pInputs[0].type == TSDB_DATA_TYPE_BIGINT ||
pInputs[0].type == TSDB_DATA_TYPE_TIMESTAMP) { /* unix timestamp or ts column*/
GET_TYPED_DATA(timeVal, int64_t, pInputs[0].type, inputData[0]);
}
char buf[20] = {0};
NUM_TO_STRING(TSDB_DATA_TYPE_BIGINT, &timeVal, sizeof(buf), buf);
int32_t tsDigits = strlen(buf);
switch (timeUnit) {
case 1: { /* 1a */
if (tsDigits == TSDB_TIME_PRECISION_MILLI_DIGITS) {
timeVal = timeVal;
} else if (tsDigits == TSDB_TIME_PRECISION_MICRO_DIGITS) {
timeVal = timeVal / (1000 * 1000) * (1000 * 1000);
} else if (tsDigits == TSDB_TIME_PRECISION_NANO_DIGITS) {
timeVal = timeVal / (1000 * 1000 * 1000) * (1000 * 1000 * 1000);
} else {
assert(0);
}
break;
}
case 1000: { /* 1s */
if (tsDigits == TSDB_TIME_PRECISION_MILLI_DIGITS) {
timeVal = timeVal / 1000 * 1000;
} else if (tsDigits == TSDB_TIME_PRECISION_MICRO_DIGITS) {
timeVal = timeVal / (1000 * 1000) * (1000 * 1000);
} else if (tsDigits == TSDB_TIME_PRECISION_NANO_DIGITS) {
timeVal = timeVal / (1000 * 1000 * 1000) * (1000 * 1000 * 1000);
} else {
assert(0);
}
break;
char buf[20] = {0};
NUM_TO_STRING(TSDB_DATA_TYPE_BIGINT, &timeVal, sizeof(buf), buf);
int32_t tsDigits = strlen(buf);
int64_t factor = (timePrec == TSDB_TIME_PRECISION_MILLI) ? 1000 :
(timePrec == TSDB_TIME_PRECISION_MICRO ? 1000000 : 1000000000);
switch (timeUnit) {
case 1: { /* 1a */
if (tsDigits == TSDB_TIME_PRECISION_MILLI_DIGITS) {
timeVal = timeVal;
} else if (tsDigits == TSDB_TIME_PRECISION_MICRO_DIGITS) {
timeVal = timeVal / (1000 * 1000) * (1000 * 1000);
} else if (tsDigits == TSDB_TIME_PRECISION_NANO_DIGITS) {
timeVal = timeVal / (1000 * 1000 * 1000) * (1000 * 1000 * 1000);
} else if (tsDigits <= TSDB_TIME_PRECISION_SEC_DIGITS){
timeVal = timeVal * factor;
} else {
assert(0);
}
case 60000: { /* 1m */
if (tsDigits == TSDB_TIME_PRECISION_MILLI_DIGITS) {
timeVal = timeVal / 1000 / 60 * 60 * 1000;
} else if (tsDigits == TSDB_TIME_PRECISION_MICRO_DIGITS) {
timeVal = timeVal / (1000 * 1000) / 60 * 60 * (1000 * 1000);
} else if (tsDigits == TSDB_TIME_PRECISION_NANO_DIGITS) {
timeVal = timeVal / (1000 * 1000 * 1000) / 60 * 60 * (1000 * 1000 * 1000);
} else {
assert(0);
}
break;
break;
}
case 1000: { /* 1s */
if (tsDigits == TSDB_TIME_PRECISION_MILLI_DIGITS) {
timeVal = timeVal / 1000 * 1000;
} else if (tsDigits == TSDB_TIME_PRECISION_MICRO_DIGITS) {
timeVal = timeVal / (1000 * 1000) * (1000 * 1000);
} else if (tsDigits == TSDB_TIME_PRECISION_NANO_DIGITS) {
timeVal = timeVal / (1000 * 1000 * 1000) * (1000 * 1000 * 1000);
} else if (tsDigits <= TSDB_TIME_PRECISION_SEC_DIGITS) {
timeVal = timeVal * factor;
} else {
assert(0);
}
case 3600000: { /* 1h */
if (tsDigits == TSDB_TIME_PRECISION_MILLI_DIGITS) {
timeVal = timeVal / 1000 / 3600 * 3600 * 1000;
} else if (tsDigits == TSDB_TIME_PRECISION_MICRO_DIGITS) {
timeVal = timeVal / (1000 * 1000) / 3600 * 3600 * (1000 * 1000);
} else if (tsDigits == TSDB_TIME_PRECISION_NANO_DIGITS) {
timeVal = timeVal / (1000 * 1000 * 1000) / 3600 * 3600 * (1000 * 1000 * 1000);
} else {
assert(0);
}
break;
break;
}
case 60000: { /* 1m */
if (tsDigits == TSDB_TIME_PRECISION_MILLI_DIGITS) {
timeVal = timeVal / 1000 / 60 * 60 * 1000;
} else if (tsDigits == TSDB_TIME_PRECISION_MICRO_DIGITS) {
timeVal = timeVal / (1000 * 1000) / 60 * 60 * (1000 * 1000);
} else if (tsDigits == TSDB_TIME_PRECISION_NANO_DIGITS) {
timeVal = timeVal / (1000 * 1000 * 1000) / 60 * 60 * (1000 * 1000 * 1000);
} else if (tsDigits <= TSDB_TIME_PRECISION_SEC_DIGITS) {
timeVal = timeVal * factor / factor / 60 * 60 * factor;
} else {
assert(0);
}
case 86400000: { /* 1d */
if (tsDigits == TSDB_TIME_PRECISION_MILLI_DIGITS) {
timeVal = timeVal / 1000 / 86400 * 86400 * 1000;
} else if (tsDigits == TSDB_TIME_PRECISION_MICRO_DIGITS) {
timeVal = timeVal / (1000 * 1000) / 86400 * 86400 * (1000 * 1000);
} else if (tsDigits == TSDB_TIME_PRECISION_NANO_DIGITS) {
timeVal = timeVal / (1000 * 1000 * 1000) / 86400 * 86400 * (1000 * 1000 * 1000);
} else {
assert(0);
}
break;
break;
}
case 3600000: { /* 1h */
if (tsDigits == TSDB_TIME_PRECISION_MILLI_DIGITS) {
timeVal = timeVal / 1000 / 3600 * 3600 * 1000;
} else if (tsDigits == TSDB_TIME_PRECISION_MICRO_DIGITS) {
timeVal = timeVal / (1000 * 1000) / 3600 * 3600 * (1000 * 1000);
} else if (tsDigits == TSDB_TIME_PRECISION_NANO_DIGITS) {
timeVal = timeVal / (1000 * 1000 * 1000) / 3600 * 3600 * (1000 * 1000 * 1000);
} else if (tsDigits <= TSDB_TIME_PRECISION_SEC_DIGITS) {
timeVal = timeVal * factor / factor / 3600 * 3600 * factor;
} else {
assert(0);
}
default: {
timeVal = 0;
break;
break;
}
case 86400000: { /* 1d */
if (tsDigits == TSDB_TIME_PRECISION_MILLI_DIGITS) {
timeVal = timeVal / 1000 / 86400 * 86400 * 1000;
} else if (tsDigits == TSDB_TIME_PRECISION_MICRO_DIGITS) {
timeVal = timeVal / (1000 * 1000) / 86400 * 86400 * (1000 * 1000);
} else if (tsDigits == TSDB_TIME_PRECISION_NANO_DIGITS) {
timeVal = timeVal / (1000 * 1000 * 1000) / 86400 * 86400 * (1000 * 1000 * 1000);
} else if (tsDigits <= TSDB_TIME_PRECISION_SEC_DIGITS) {
timeVal = timeVal * factor / factor / 86400* 86400 * factor;
} else {
assert(0);
}
break;
}
default: {
timeVal = 0;
break;
}
SET_TYPED_DATA(outputData, pOutput->type, timeVal);
}
SET_TYPED_DATA(outputData, pOutput->type, timeVal);
break;
}
......
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